Merge remote-tracking branch 'inventree/master'

InvenTree/InvenTree/helpers.py

@@ -337,7 +337,7 @@ def DownloadFile(data, filename, content_type='application/text'):
     return response
 
 
-def ExtractSerialNumbers(serials, expected_quantity):
+def extract_serial_numbers(serials, expected_quantity):
     """ Attempt to extract serial numbers from an input string.
     - Serial numbers must be integer values
     - Serial numbers must be positive

InvenTree/InvenTree/static/script/inventree/inventree.js

@@ -78,7 +78,15 @@ function getImageUrlFromTransfer(transfer) {
     return url;
 }
 
-function makeIconButton(icon, cls, pk, title) {
+function makeIconBadge(icon, title) {
+    // Construct an 'icon badge' which floats to the right of an object
+
+    var html = `<span class='fas ${icon} label-right' title='${title}'></span>`;
+
+    return html;
+}
+
+function makeIconButton(icon, cls, pk, title, options={}) {
     // Construct an 'icon button' using the fontawesome set
 
     var classes = `btn btn-default btn-glyph ${cls}`;
@@ -87,14 +95,20 @@ function makeIconButton(icon, cls, pk, title) {
 
     var html = '';
 
-    html += `<button pk='${pk}' id='${id}' class='${classes}' title='${title}'>`;
+    var extraProps = '';
+
+    if (options.disabled) {
+        extraProps += "disabled='true' ";
+    }
+    
+    html += `<button pk='${pk}' id='${id}' class='${classes}' title='${title}' ${extraProps}>`;
     html += `<span class='fas ${icon}'></span>`;
     html += `</button>`;
 
     return html;
 }
 
-function makeProgressBar(value, maximum, opts) {
+function makeProgressBar(value, maximum, opts={}) {
     /*
      * Render a progessbar!
      * 
@@ -120,20 +134,35 @@ function makeProgressBar(value, maximum, opts) {
 
     var extraclass = '';
 
-    if (maximum) {
-        // TODO - Special color?
-    }
-    else if (value > maximum) {
+    if (value > maximum) {
         extraclass='progress-bar-over';
     } else if (value < maximum) {
         extraclass = 'progress-bar-under';
     }
 
-    var text = value;
+    var style = options.style || '';
 
-    if (maximum) {
-        text += ' / ';
-        text += maximum;
+    var text = '';
+
+    if (style == 'percent') {
+        // Display e.g. "50%"
+
+        text = `${percent}%`;
+    } else if (style == 'max') {
+        // Display just the maximum value
+        text = `${maximum}`;
+    } else if (style == 'value') {
+        // Display just the current value
+        text = `${value}`;
+    } else if (style == 'blank') {
+        // No display!
+        text = '';
+    } else {
+        /* Default style
+        * Display e.g. "5 / 10"
+        */
+
+        text = `${value} / ${maximum}`;
     }
 
     var id = options.id || 'progress-bar';

InvenTree/InvenTree/static/script/inventree/modals.js

@@ -134,6 +134,32 @@ function reloadFieldOptions(fieldName, options) {
 }
 
 
+function enableField(fieldName, enabled, options={}) {
+    /* Enable (or disable) a particular field in a modal.
+     * 
+     * Args:
+     * - fieldName: The name of the field
+     * - enabled: boolean enabled / disabled status
+     * - options:
+     */
+
+    var modal = options.modal || '#modal-form';
+
+    var field = getFieldByName(modal, fieldName);
+
+    field.prop("disabled", !enabled);
+}
+
+function clearField(fieldName, options={}) {
+
+    var modal = options.modal || '#modal-form';
+
+    var field = getFieldByName(modal, fieldName);
+
+    field.val("");
+}
+
+
 function partialMatcher(params, data) {
     /* Replacement function for the 'matcher' parameter for a select2 dropdown.
 
@@ -467,6 +493,9 @@ function openModal(options) {
 
     var modal = options.modal || '#modal-form';
 
+    // Ensure that the 'warning' div is hidden
+    $(modal).find('#form-validation-warning').css('display', 'none');
+
     $(modal).on('shown.bs.modal', function() {
         $(modal + ' .modal-form-content').scrollTop(0);
         if (options.focus) {
@@ -693,6 +722,11 @@ function handleModalForm(url, options) {
                     }
                     // Form was returned, invalid!
                     else {
+
+                        var warningDiv = $(modal).find('#form-validation-warning');
+
+                        warningDiv.css('display', 'block');
+
                         if (response.html_form) {
                             injectModalForm(modal, response.html_form);
 
@@ -810,8 +844,13 @@ function launchModalForm(url, options = {}) {
 
             $(modal).modal('hide');
 
-            // Permission denied!
-            if (xhr.status == 400) {
+            if (xhr.status == 0) {
+                // No response from the server
+                showAlertDialog(
+                    "No Response",
+                    "No response from the InvenTree server",
+                );
+            } else if (xhr.status == 400) {
                 showAlertDialog(
                     "Error 400: Bad Request",
                     "Server returned error code 400"

InvenTree/InvenTree/status_codes.py

@@ -214,25 +214,25 @@ class BuildStatus(StatusCode):
 
     # Build status codes
     PENDING = 10  # Build is pending / active
-    ALLOCATED = 20  # Parts have been removed from stock
+    PRODUCTION = 20  # BuildOrder is in production
     CANCELLED = 30  # Build was cancelled
     COMPLETE = 40  # Build is complete
 
     options = {
         PENDING: _("Pending"),
-        ALLOCATED: _("Allocated"),
+        PRODUCTION: _("Production"),
         CANCELLED: _("Cancelled"),
         COMPLETE: _("Complete"),
     }
 
     colors = {
         PENDING: 'blue',
-        ALLOCATED: 'blue',
+        PRODUCTION: 'blue',
         COMPLETE: 'green',
         CANCELLED: 'red',
     }
 
     ACTIVE_CODES = [
         PENDING,
-        ALLOCATED
+        PRODUCTION,
     ]

InvenTree/InvenTree/tests.py

@@ -210,7 +210,7 @@ class TestSerialNumberExtraction(TestCase):
 
     def test_simple(self):
 
-        e = helpers.ExtractSerialNumbers
+        e = helpers.extract_serial_numbers
 
         sn = e("1-5", 5)
         self.assertEqual(len(sn), 5)
@@ -226,7 +226,7 @@ class TestSerialNumberExtraction(TestCase):
 
     def test_failures(self):
 
-        e = helpers.ExtractSerialNumbers
+        e = helpers.extract_serial_numbers
 
         # Test duplicates
         with self.assertRaises(ValidationError):

InvenTree/InvenTree/urls.py

@@ -89,14 +89,14 @@ settings_urls = [
 
 # Some javascript files are served 'dynamically', allowing them to pass through the Django translation layer
 dynamic_javascript_urls = [
-    url(r'^barcode.js', DynamicJsView.as_view(template_name='js/barcode.html'), name='barcode.js'),
-    url(r'^part.js', DynamicJsView.as_view(template_name='js/part.html'), name='part.js'),
-    url(r'^stock.js', DynamicJsView.as_view(template_name='js/stock.html'), name='stock.js'),
-    url(r'^build.js', DynamicJsView.as_view(template_name='js/build.html'), name='build.js'),
-    url(r'^order.js', DynamicJsView.as_view(template_name='js/order.html'), name='order.js'),
-    url(r'^company.js', DynamicJsView.as_view(template_name='js/company.html'), name='company.js'),
-    url(r'^bom.js', DynamicJsView.as_view(template_name='js/bom.html'), name='bom.js'),
-    url(r'^table_filters.js', DynamicJsView.as_view(template_name='js/table_filters.html'), name='table_filters.js'),
+    url(r'^barcode.js', DynamicJsView.as_view(template_name='js/barcode.js'), name='barcode.js'),
+    url(r'^bom.js', DynamicJsView.as_view(template_name='js/bom.js'), name='bom.js'),
+    url(r'^build.js', DynamicJsView.as_view(template_name='js/build.js'), name='build.js'),
+    url(r'^company.js', DynamicJsView.as_view(template_name='js/company.js'), name='company.js'),
+    url(r'^order.js', DynamicJsView.as_view(template_name='js/order.js'), name='order.js'),
+    url(r'^part.js', DynamicJsView.as_view(template_name='js/part.js'), name='part.js'),
+    url(r'^stock.js', DynamicJsView.as_view(template_name='js/stock.js'), name='stock.js'),
+    url(r'^table_filters.js', DynamicJsView.as_view(template_name='js/table_filters.js'), name='table_filters.js'),
 ]
 
 urlpatterns = [

InvenTree/InvenTree/views.py

@@ -213,6 +213,19 @@ class AjaxMixin(InvenTreeRoleMixin):
         """
         return {}
 
+    def validate(self, obj, form, **kwargs):
+        """
+        Hook for performing custom form validation steps.
+
+        If a form error is detected, add it to the form,
+        with 'form.add_error()'
+
+        Ref: https://docs.djangoproject.com/en/dev/topics/forms/
+        """
+
+        # Do nothing by default
+        pass
+
     def renderJsonResponse(self, request, form=None, data={}, context=None):
         """ Render a JSON response based on specific class context.
 
@@ -320,18 +333,6 @@ class AjaxCreateView(AjaxMixin, CreateView):
     - Handles form validation via AJAX POST requests
     """
 
-    def pre_save(self, **kwargs):
-        """
-        Hook for doing something before the form is validated
-        """
-        pass
-
-    def post_save(self, **kwargs):
-        """
-        Hook for doing something with the created object after it is saved
-        """
-        pass
-
     def get(self, request, *args, **kwargs):
         """ Creates form with initial data, and renders JSON response """
 
@@ -341,6 +342,17 @@ class AjaxCreateView(AjaxMixin, CreateView):
         form = self.get_form()
         return self.renderJsonResponse(request, form)
 
+    def save(self, form):
+        """
+        Method for actually saving the form to the database.
+        Default implementation is very simple,
+        but can be overridden if required.
+        """
+
+        self.object = form.save()
+
+        return self.object
+
     def post(self, request, *args, **kwargs):
         """ Responds to form POST. Validates POST data and returns status info.
 
@@ -351,16 +363,29 @@ class AjaxCreateView(AjaxMixin, CreateView):
         self.request = request
         self.form = self.get_form()
 
+        # Perform initial form validation
+        self.form.is_valid()
+
+        # Perform custom validation (no object can be provided yet)
+        self.validate(None, self.form)
+
+        valid = self.form.is_valid()
+
         # Extra JSON data sent alongside form
         data = {
-            'form_valid': self.form.is_valid(),
+            'form_valid': valid,
+            'form_errors': self.form.errors.as_json(),
+            'non_field_errors': self.form.non_field_errors().as_json(),
         }
 
-        if self.form.is_valid():
+        # Add in any extra class data
+        for value, key in enumerate(self.get_data()):
+            data[key] = value
 
-            self.pre_save()
-            self.object = self.form.save()
-            self.post_save()
+        if valid:
+
+            # Save the object to the database
+            self.object = self.save(self.form)
 
             # Return the PK of the newly-created object
             data['pk'] = self.object.pk
@@ -391,6 +416,20 @@ class AjaxUpdateView(AjaxMixin, UpdateView):
         
         return self.renderJsonResponse(request, self.get_form(), context=self.get_context_data())
 
+    def save(self, object, form, **kwargs):
+        """
+        Method for updating the object in the database.
+        Default implementation is very simple, but can be overridden if required.
+
+        Args:
+            object - The current object, to be updated
+            form - The validated form
+        """
+
+        self.object = form.save()
+
+        return self.object
+
     def post(self, request, *args, **kwargs):
         """ Respond to POST request.
 
@@ -400,37 +439,48 @@ class AjaxUpdateView(AjaxMixin, UpdateView):
         - Otherwise, return sucess status
         """
 
+        self.request = request
+
         # Make sure we have an object to point to
         self.object = self.get_object()
 
         form = self.get_form()
 
+        # Perform initial form validation
+        form.is_valid()
+
+        # Perform custom validation
+        self.validate(self.object, form)
+
+        valid = form.is_valid()
+
         data = {
-            'form_valid': form.is_valid()
+            'form_valid': valid,
+            'form_errors': form.errors.as_json(),
+            'non_field_errors': form.non_field_errors().as_json(),
         }
 
-        if form.is_valid():
-            obj = form.save()
+        # Add in any extra class data
+        for value, key in enumerate(self.get_data()):
+            data[key] = value
+
+        if valid:
+
+            # Save the updated objec to the database
+            self.save(self.object, form)
+
+            self.object = self.get_object()
 
             # Include context data about the updated object
-            data['pk'] = obj.id
-
-            self.post_save(obj)
+            data['pk'] = self.object.pk
 
             try:
-                data['url'] = obj.get_absolute_url()
+                data['url'] = self.object.get_absolute_url()
             except AttributeError:
                 pass
 
         return self.renderJsonResponse(request, form, data)
 
-    def post_save(self, obj, *args, **kwargs):
-        """
-        Hook called after the form data is saved.
-        (Optional)
-        """
-        pass
-
 
 class AjaxDeleteView(AjaxMixin, UpdateView):
 
@@ -440,7 +490,7 @@ class AjaxDeleteView(AjaxMixin, UpdateView):
     """
 
     form_class = DeleteForm
-    ajax_form_title = "Delete Item"
+    ajax_form_title = _("Delete Item")
     ajax_template_name = "modal_delete_form.html"
     context_object_name = 'item'
 
@@ -489,7 +539,7 @@ class AjaxDeleteView(AjaxMixin, UpdateView):
         if confirmed:
             obj.delete()
         else:
-            form.errors['confirm_delete'] = ['Check box to confirm item deletion']
+            form.add_error('confirm_delete', _('Check box to confirm item deletion'))
             context[self.context_object_name] = self.get_object()
 
         data = {
@@ -504,7 +554,7 @@ class EditUserView(AjaxUpdateView):
     """ View for editing user information """
 
     ajax_template_name = "modal_form.html"
-    ajax_form_title = "Edit User Information"
+    ajax_form_title = _("Edit User Information")
     form_class = EditUserForm
 
     def get_object(self):
@@ -515,7 +565,7 @@ class SetPasswordView(AjaxUpdateView):
     """ View for setting user password """
 
     ajax_template_name = "InvenTree/password.html"
-    ajax_form_title = "Set Password"
+    ajax_form_title = _("Set Password")
     form_class = SetPasswordForm
 
     def get_object(self):
@@ -534,9 +584,9 @@ class SetPasswordView(AjaxUpdateView):
             # Passwords must match
 
             if not p1 == p2:
-                error = 'Password fields must match'
-                form.errors['enter_password'] = [error]
-                form.errors['confirm_password'] = [error]
+                error = _('Password fields must match')
+                form.add_error('enter_password', error)
+                form.add_error('confirm_password', error)
 
                 valid = False
 

InvenTree/build/api.py

@@ -52,14 +52,16 @@ class BuildList(generics.ListCreateAPIView):
 
         queryset = super().filter_queryset(queryset)
 
+        params = self.request.query_params
+
         # Filter by build status?
-        status = self.request.query_params.get('status', None)
+        status = params.get('status', None)
 
         if status is not None:
             queryset = queryset.filter(status=status)
 
-        # Filter by "active" status
-        active = self.request.query_params.get('active', None)
+        # Filter by "pending" status
+        active = params.get('active', None)
 
         if active is not None:
             active = str2bool(active)
@@ -70,7 +72,7 @@ class BuildList(generics.ListCreateAPIView):
                 queryset = queryset.exclude(status__in=BuildStatus.ACTIVE_CODES)
 
         # Filter by associated part?
-        part = self.request.query_params.get('part', None)
+        part = params.get('part', None)
 
         if part is not None:
             queryset = queryset.filter(part=part)
@@ -119,14 +121,23 @@ class BuildItemList(generics.ListCreateAPIView):
         return query
 
     def filter_queryset(self, queryset):
+
         queryset = super().filter_queryset(queryset)
 
+        params = self.request.query_params
+
         # Does the user wish to filter by part?
-        part_pk = self.request.query_params.get('part', None)
+        part_pk = params.get('part', None)
 
         if part_pk:
             queryset = queryset.filter(stock_item__part=part_pk)
 
+        # Filter by output target
+        output = params.get('output', None)
+
+        if output:
+            queryset = queryset.filter(install_into=output)
+
         return queryset
 
     filter_backends = [
@@ -135,7 +146,8 @@ class BuildItemList(generics.ListCreateAPIView):
 
     filter_fields = [
         'build',
-        'stock_item'
+        'stock_item',
+        'install_into',
     ]
 
 

InvenTree/build/fixtures/build.yaml

@@ -32,3 +32,51 @@
     lft: 0
     rght: 0
     tree_id: 1
+
+- model: build.build
+  pk: 3
+  fields:
+    part: 50
+    reference: "0003"
+    title: 'Making things'
+    batch: 'B2'
+    status: 40  # COMPLETE
+    quantity: 21
+    notes: 'Some even more simple notes'
+    creation_date: '2019-03-16'
+    level: 0
+    lft: 0
+    rght: 0
+    tree_id: 1
+
+- model: build.build
+  pk: 4
+  fields:
+    part: 50
+    reference: "0004"
+    title: 'Making things'
+    batch: 'B4'
+    status: 40  # COMPLETE
+    quantity: 21
+    notes: 'Some even even more simple notes'
+    creation_date: '2019-03-16'
+    level: 0
+    lft: 0
+    rght: 0
+    tree_id: 1
+
+- model: build.build
+  pk: 5
+  fields:
+    part: 25
+    reference: "0005"
+    title: "Building some Widgets"
+    batch: "B10"
+    status: 40 # Complete
+    quantity: 10
+    creation_date: '2019-03-16'
+    notes: "A thing"
+    level: 0
+    lft: 0
+    rght: 0
+    tree_id: 1

InvenTree/build/forms.py

@@ -6,11 +6,14 @@ Django Forms for interacting with Build objects
 from __future__ import unicode_literals
 
 from django.utils.translation import ugettext as _
+from django import forms
 
 from InvenTree.forms import HelperForm
-from django import forms
-from .models import Build, BuildItem
-from stock.models import StockLocation
+from InvenTree.fields import RoundingDecimalFormField
+
+from .models import Build, BuildItem, BuildOrderAttachment
+
+from stock.models import StockLocation, StockItem
 
 
 class EditBuildForm(HelperForm):
@@ -21,6 +24,7 @@ class EditBuildForm(HelperForm):
         'reference': 'BO',
         'link': 'fa-link',
         'batch': 'fa-layer-group',
+        'serial-numbers': 'fa-hashtag',
         'location': 'fa-map-marker-alt',
     }
 
@@ -35,28 +39,149 @@ class EditBuildForm(HelperForm):
             'title',
             'part',
             'quantity',
+            'batch',
+            'take_from',
+            'destination',
             'parent',
             'sales_order',
-            'take_from',
-            'batch',
             'link',
         ]
 
 
-class ConfirmBuildForm(HelperForm):
-    """ Form for auto-allocation of stock to a build """
+class BuildOutputCreateForm(HelperForm):
+    """
+    Form for creating a new build output.
+    """
 
-    confirm = forms.BooleanField(required=False, help_text=_('Confirm'))
+    def __init__(self, *args, **kwargs):
+
+        build = kwargs.pop('build', None)
+
+        if build:
+            self.field_placeholder['serial_numbers'] = build.part.getSerialNumberString()
+
+        super().__init__(*args, **kwargs)
+
+    field_prefix = {
+        'serial_numbers': 'fa-hashtag',
+    }
+
+    quantity = forms.IntegerField(
+        label=_('Quantity'),
+        help_text=_('Enter quantity for build output'),
+    )
+
+    serial_numbers = forms.CharField(
+        label=_('Serial numbers'),
+        required=False,
+        help_text=_('Enter serial numbers for build outputs'),
+    )
+
+    confirm = forms.BooleanField(
+        required=True,
+        label=_('Confirm'),
+        help_text=_('Confirm creation of build outut'),
+    )
 
     class Meta:
         model = Build
         fields = [
-            'confirm'
+            'quantity',
+            'batch',
+            'serial_numbers',
+            'confirm',
+        ]
+
+
+class BuildOutputDeleteForm(HelperForm):
+    """
+    Form for deleting a build output.
+    """
+
+    confirm = forms.BooleanField(
+        required=False,
+        help_text=_('Confirm deletion of build output')
+    )
+
+    output_id = forms.IntegerField(
+        required=True,
+        widget=forms.HiddenInput()
+    )
+
+    class Meta:
+        model = Build
+        fields = [
+            'confirm',
+            'output_id',
+        ]
+
+
+class UnallocateBuildForm(HelperForm):
+    """
+    Form for auto-de-allocation of stock from a build
+    """
+
+    confirm = forms.BooleanField(required=False, help_text=_('Confirm unallocation of stock'))
+
+    output_id = forms.IntegerField(
+        required=False,
+        widget=forms.HiddenInput()
+    )
+
+    part_id = forms.IntegerField(
+        required=False,
+        widget=forms.HiddenInput(),
+    )
+
+    class Meta:
+        model = Build
+        fields = [
+            'confirm',
+            'output_id',
+            'part_id',
+        ]
+
+
+class AutoAllocateForm(HelperForm):
+    """ Form for auto-allocation of stock to a build """
+
+    confirm = forms.BooleanField(required=True, help_text=_('Confirm stock allocation'))
+
+    # Keep track of which build output we are interested in
+    output = forms.ModelChoiceField(
+        queryset=StockItem.objects.all(),
+    )
+
+    class Meta:
+        model = Build
+        fields = [
+            'confirm',
+            'output',
         ]
 
 
 class CompleteBuildForm(HelperForm):
-    """ Form for marking a Build as complete """
+    """
+    Form for marking a build as complete
+    """
+
+    confirm = forms.BooleanField(
+        required=True,
+        label=_('Confirm'),
+        help_text=_('Mark build as complete'),
+    )
+
+    class Meta:
+        model = Build
+        fields = [
+            'confirm',
+        ]
+
+
+class CompleteBuildOutputForm(HelperForm):
+    """
+    Form for completing a single build output
+    """
 
     field_prefix = {
         'serial_numbers': 'fa-hashtag',
@@ -70,27 +195,32 @@ class CompleteBuildForm(HelperForm):
         help_text=_('Location of completed parts'),
     )
 
-    serial_numbers = forms.CharField(
-        label=_('Serial numbers'),
+    confirm_incomplete = forms.BooleanField(
         required=False,
-        help_text=_('Enter unique serial numbers (or leave blank)')
+        help_text=_("Confirm completion with incomplete stock allocation")
     )
 
-    confirm = forms.BooleanField(required=False, help_text=_('Confirm build completion'))
+    confirm = forms.BooleanField(required=True, help_text=_('Confirm build completion'))
+
+    output = forms.ModelChoiceField(
+        queryset=StockItem.objects.all(),  # Queryset is narrowed in the view
+        widget=forms.HiddenInput(),
+    )
 
     class Meta:
         model = Build
         fields = [
-            'serial_numbers',
             'location',
-            'confirm'
+            'output',
+            'confirm',
+            'confirm_incomplete',
         ]
 
 
 class CancelBuildForm(HelperForm):
     """ Form for cancelling a build """
 
-    confirm_cancel = forms.BooleanField(required=False, help_text='Confirm build cancellation')
+    confirm_cancel = forms.BooleanField(required=False, help_text=_('Confirm build cancellation'))
 
     class Meta:
         model = Build
@@ -100,7 +230,13 @@ class CancelBuildForm(HelperForm):
 
 
 class EditBuildItemForm(HelperForm):
-    """ Form for adding a new BuildItem to a Build """
+    """
+    Form for creating (or editing) a BuildItem object.
+    """
+
+    quantity = RoundingDecimalFormField(max_digits=10, decimal_places=5, help_text=_('Select quantity of stock to allocate'))
+
+    part_id = forms.IntegerField(required=False, widget=forms.HiddenInput())
 
     class Meta:
         model = BuildItem
@@ -108,4 +244,19 @@ class EditBuildItemForm(HelperForm):
             'build',
             'stock_item',
             'quantity',
+            'install_into',
+        ]
+
+
+class EditBuildAttachmentForm(HelperForm):
+    """
+    Form for creating / editing a BuildAttachment object
+    """
+
+    class Meta:
+        model = BuildOrderAttachment
+        fields = [
+            'build',
+            'attachment',
+            'comment'
         ]

InvenTree/build/migrations/0021_auto_20201020_0908_squashed_0026_auto_20201023_1228.py

@@ -0,0 +1,64 @@
+# Generated by Django 3.0.7 on 2020-10-25 21:33
+
+import django.core.validators
+from django.db import migrations, models
+import django.db.models.deletion
+import mptt.fields
+
+
+class Migration(migrations.Migration):
+
+    replaces = [('build', '0021_auto_20201020_0908'), ('build', '0022_auto_20201020_0953'), ('build', '0023_auto_20201020_1009'), ('build', '0024_auto_20201020_1144'), ('build', '0025_auto_20201020_1248'), ('build', '0026_auto_20201023_1228')]
+
+    dependencies = [
+        ('stock', '0052_stockitem_is_building'),
+        ('build', '0020_auto_20201019_1325'),
+        ('part', '0051_bomitem_optional'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='builditem',
+            name='install_into',
+            field=models.ForeignKey(blank=True, help_text='Destination stock item', limit_choices_to={'is_building': True}, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='items_to_install', to='stock.StockItem'),
+        ),
+        migrations.AlterField(
+            model_name='builditem',
+            name='stock_item',
+            field=models.ForeignKey(help_text='Source stock item', limit_choices_to={'belongs_to': None, 'build_order': None, 'sales_order': None}, on_delete=django.db.models.deletion.CASCADE, related_name='allocations', to='stock.StockItem'),
+        ),
+        migrations.AddField(
+            model_name='build',
+            name='destination',
+            field=models.ForeignKey(blank=True, help_text='Select location where the completed items will be stored', null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='incoming_builds', to='stock.StockLocation', verbose_name='Destination Location'),
+        ),
+        migrations.AlterField(
+            model_name='build',
+            name='parent',
+            field=mptt.fields.TreeForeignKey(blank=True, help_text='BuildOrder to which this build is allocated', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='children', to='build.Build', verbose_name='Parent Build'),
+        ),
+        migrations.AlterField(
+            model_name='build',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(10, 'Pending'), (20, 'Production'), (30, 'Cancelled'), (40, 'Complete')], default=10, help_text='Build status code', validators=[django.core.validators.MinValueValidator(0)], verbose_name='Build Status'),
+        ),
+        migrations.AlterField(
+            model_name='build',
+            name='part',
+            field=models.ForeignKey(help_text='Select part to build', limit_choices_to={'active': True, 'assembly': True, 'virtual': False}, on_delete=django.db.models.deletion.CASCADE, related_name='builds', to='part.Part', verbose_name='Part'),
+        ),
+        migrations.AddField(
+            model_name='build',
+            name='completed',
+            field=models.PositiveIntegerField(default=0, help_text='Number of stock items which have been completed', verbose_name='Completed items'),
+        ),
+        migrations.AlterField(
+            model_name='build',
+            name='quantity',
+            field=models.PositiveIntegerField(default=1, help_text='Number of stock items to build', validators=[django.core.validators.MinValueValidator(1)], verbose_name='Build Quantity'),
+        ),
+        migrations.AlterUniqueTogether(
+            name='builditem',
+            unique_together={('build', 'stock_item', 'install_into')},
+        ),
+    ]

InvenTree/build/migrations/0022_buildorderattachment.py

@@ -0,0 +1,31 @@
+# Generated by Django 3.0.7 on 2020-10-26 04:17
+
+import InvenTree.models
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('build', '0021_auto_20201020_0908_squashed_0026_auto_20201023_1228'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='BuildOrderAttachment',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('attachment', models.FileField(help_text='Select file to attach', upload_to=InvenTree.models.rename_attachment)),
+                ('comment', models.CharField(blank=True, help_text='File comment', max_length=100)),
+                ('upload_date', models.DateField(auto_now_add=True, null=True)),
+                ('build', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='attachments', to='build.Build')),
+                ('user', models.ForeignKey(blank=True, help_text='User', null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]

InvenTree/build/models.py

@@ -5,6 +5,7 @@ Build database model definitions
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
+import os
 from datetime import datetime
 
 from django.contrib.auth.models import User
@@ -22,8 +23,9 @@ from markdownx.models import MarkdownxField
 from mptt.models import MPTTModel, TreeForeignKey
 
 from InvenTree.status_codes import BuildStatus
-from InvenTree.helpers import increment, getSetting
+from InvenTree.helpers import increment, getSetting, normalize
 from InvenTree.validators import validate_build_order_reference
+from InvenTree.models import InvenTreeAttachment
 
 import InvenTree.fields
 
@@ -32,7 +34,7 @@ from part import models as PartModels
 
 
 class Build(MPTTModel):
-    """ A Build object organises the creation of new parts from the component parts.
+    """ A Build object organises the creation of new StockItem objects from other existing StockItem objects.
 
     Attributes:
         part: The part to be built (from component BOM items)
@@ -63,22 +65,6 @@ class Build(MPTTModel):
     def get_absolute_url(self):
         return reverse('build-detail', kwargs={'pk': self.id})
         
-    def clean(self):
-        """
-        Validation for Build object.
-        """
-
-        super().clean()
-
-        try:
-            if self.part.trackable:
-                if not self.quantity == int(self.quantity):
-                    raise ValidationError({
-                        'quantity': _("Build quantity must be integer value for trackable parts")
-                    })
-        except PartModels.Part.DoesNotExist:
-            pass
-
     reference = models.CharField(
         unique=True,
         max_length=64,
@@ -103,7 +89,7 @@ class Build(MPTTModel):
         blank=True, null=True,
         related_name='children',
         verbose_name=_('Parent Build'),
-        help_text=_('Parent build to which this build is allocated'),
+        help_text=_('BuildOrder to which this build is allocated'),
     )
 
     part = models.ForeignKey(
@@ -112,7 +98,6 @@ class Build(MPTTModel):
         on_delete=models.CASCADE,
         related_name='builds',
         limit_choices_to={
-            'is_template': False,
             'assembly': True,
             'active': True,
             'virtual': False,
@@ -138,11 +123,26 @@ class Build(MPTTModel):
         help_text=_('Select location to take stock from for this build (leave blank to take from any stock location)')
     )
     
+    destination = models.ForeignKey(
+        'stock.StockLocation',
+        verbose_name=_('Destination Location'),
+        on_delete=models.SET_NULL,
+        related_name='incoming_builds',
+        null=True, blank=True,
+        help_text=_('Select location where the completed items will be stored'),
+    )
+
     quantity = models.PositiveIntegerField(
         verbose_name=_('Build Quantity'),
         default=1,
         validators=[MinValueValidator(1)],
-        help_text=_('Number of parts to build')
+        help_text=_('Number of stock items to build')
+    )
+
+    completed = models.PositiveIntegerField(
+        verbose_name=_('Completed items'),
+        default=0,
+        help_text=_('Number of stock items which have been completed')
     )
 
     status = models.PositiveIntegerField(
@@ -182,10 +182,96 @@ class Build(MPTTModel):
         blank=True, help_text=_('Extra build notes')
     )
 
+    @property
+    def bom_items(self):
+        """
+        Returns the BOM items for the part referenced by this BuildOrder
+        """
+
+        return self.part.bom_items.all().prefetch_related(
+            'sub_part'
+        )
+
+    @property
+    def remaining(self):
+        """
+        Return the number of outputs remaining to be completed.
+        """
+
+        return max(0, self.quantity - self.completed)
+
     @property
     def output_count(self):
         return self.build_outputs.count()
 
+    def get_build_outputs(self, **kwargs):
+        """
+        Return a list of build outputs.
+
+        kwargs:
+            complete = (True / False) - If supplied, filter by completed status
+            in_stock = (True / False) - If supplied, filter by 'in-stock' status
+        """
+
+        outputs = self.build_outputs.all()
+
+        # Filter by 'in stock' status
+        in_stock = kwargs.get('in_stock', None)
+
+        if in_stock is not None:
+            if in_stock:
+                outputs = outputs.filter(StockModels.StockItem.IN_STOCK_FILTER)
+            else:
+                outputs = outputs.exclude(StockModels.StockItem.IN_STOCK_FILTER)
+
+        # Filter by 'complete' status
+        complete = kwargs.get('complete', None)
+
+        if complete is not None:
+            if complete:
+                outputs = outputs.filter(is_building=False)
+            else:
+                outputs = outputs.filter(is_building=True)
+
+        return outputs
+
+    @property
+    def complete_outputs(self):
+        """
+        Return all the "completed" build outputs
+        """
+
+        outputs = self.get_build_outputs(complete=True)
+
+        # TODO - Ordering?
+
+        return outputs
+
+    @property
+    def incomplete_outputs(self):
+        """
+        Return all the "incomplete" build outputs
+        """
+
+        outputs = self.get_build_outputs(complete=False)
+
+        # TODO - Order by how "complete" they are?
+
+        return outputs
+
+    @property
+    def incomplete_count(self):
+        """
+        Return the total number of "incomplete" outputs
+        """
+
+        quantity = 0
+
+        for output in self.incomplete_outputs:
+            quantity += output.quantity
+
+        return quantity
+
     @classmethod
     def getNextBuildNumber(cls):
         """
@@ -218,6 +304,42 @@ class Build(MPTTModel):
 
         return new_ref
 
+    @property
+    def can_complete(self):
+        """
+        Returns True if this build can be "completed"
+
+        - Must not have any outstanding build outputs
+        - 'completed' value must meet (or exceed) the 'quantity' value
+        """
+
+        if self.incomplete_count > 0:
+            return False
+
+        if self.completed < self.quantity:
+            return False
+
+        # No issues!
+        return True
+
+    @transaction.atomic
+    def complete_build(self, user):
+        """
+        Mark this build as complete
+        """
+
+        if not self.can_complete:
+            return
+
+        self.completion_date = datetime.now().date()
+        self.completed_by = user
+        self.status = BuildStatus.COMPLETE
+        self.save()
+
+        # Ensure that there are no longer any BuildItem objects
+        # which point to thie Build Order
+        self.allocated_stock.all().delete()
+
     @transaction.atomic
     def cancelBuild(self, user):
         """ Mark the Build as CANCELLED
@@ -237,58 +359,77 @@ class Build(MPTTModel):
         self.status = BuildStatus.CANCELLED
         self.save()
 
-    def getAutoAllocations(self):
-        """ Return a list of parts which will be allocated
+    def getAutoAllocations(self, output):
+        """
+        Return a list of StockItem objects which will be allocated
         using the 'AutoAllocate' function.
 
-        For each item in the BOM for the attached Part:
+        For each item in the BOM for the attached Part,
+        the following tests must *all* evaluate to True,
+        for the part to be auto-allocated:
 
-        - If there is a single StockItem, use that StockItem
-        - Take as many parts as available (up to the quantity required for the BOM)
-        - If there are multiple StockItems available, ignore (leave up to the user)
+        - The sub_item in the BOM line must *not* be trackable
+        - There is only a single stock item available (which has not already been allocated to this build)
+        - The stock item has an availability greater than zero
         
         Returns:
-            A list object containing the StockItem objects to be allocated (and the quantities)
+            A list object containing the StockItem objects to be allocated (and the quantities).
+            Each item in the list is a dict as follows:
+            {
+                'stock_item': stock_item,
+                'quantity': stock_quantity,
+            }
         """
 
         allocations = []
 
-        for item in self.part.bom_items.all().prefetch_related('sub_part'):
+        """
+        Iterate through each item in the BOM
+        """
 
-            # How many parts required for this build?
-            q_required = item.quantity * self.quantity
+        for bom_item in self.bom_items:
 
-            # Grab a list of StockItem objects which are "in stock"
-            stock = StockModels.StockItem.objects.filter(StockModels.StockItem.IN_STOCK_FILTER)
+            part = bom_item.sub_part
 
-            # Filter by part reference
-            stock = stock.filter(part=item.sub_part)
+            # Skip any parts which are already fully allocated
+            if self.isPartFullyAllocated(part, output):
+                continue
+
+            # How many parts are required to complete the output?
+            required = self.unallocatedQuantity(part, output)
+
+            # Grab a list of stock items which are available
+            stock_items = self.availableStockItems(part, output)
 
             # Ensure that the available stock items are in the correct location
             if self.take_from is not None:
                 # Filter for stock that is located downstream of the designated location
-                stock = stock.filter(location__in=[loc for loc in self.take_from.getUniqueChildren()])
+                stock_items = stock_items.filter(location__in=[loc for loc in self.take_from.getUniqueChildren()])
 
             # Only one StockItem to choose from? Default to that one!
-            if len(stock) == 1:
-                stock_item = stock[0]
+            if stock_items.count() == 1:
+                stock_item = stock_items[0]
 
-                # Check that we have not already allocated this stock-item against this build
-                build_items = BuildItem.objects.filter(build=self, stock_item=stock_item)
+                # Double check that we have not already allocated this stock-item against this build
+                build_items = BuildItem.objects.filter(
+                    build=self,
+                    stock_item=stock_item,
+                    install_into=output
+                )
 
                 if len(build_items) > 0:
                     continue
 
-                # Are there any parts available?
+                # How many items are actually available?
                 if stock_item.quantity > 0:
 
                     # Only take as many as are available
-                    if stock_item.quantity < q_required:
-                        q_required = stock_item.quantity
+                    if stock_item.quantity < required:
+                        required = stock_item.quantity
 
                     allocation = {
                         'stock_item': stock_item,
-                        'quantity': q_required,
+                        'quantity': required,
                     }
 
                     allocations.append(allocation)
@@ -296,14 +437,130 @@ class Build(MPTTModel):
         return allocations
 
     @transaction.atomic
-    def unallocateStock(self):
-        """ Deletes all stock allocations for this build. """
+    def unallocateStock(self, output=None, part=None):
+        """
+        Deletes all stock allocations for this build.
         
-        BuildItem.objects.filter(build=self.id).delete()
+        Args:
+            output: Specify which build output to delete allocations (optional)
+
+        """
+
+        allocations = BuildItem.objects.filter(build=self.pk)
+
+        if output:
+            allocations = allocations.filter(install_into=output.pk)
+
+        if part:
+            allocations = allocations.filter(stock_item__part=part)
+
+        # Remove all the allocations
+        allocations.delete()
 
     @transaction.atomic
-    def autoAllocate(self):
-        """ Run auto-allocation routine to allocate StockItems to this Build.
+    def create_build_output(self, quantity, **kwargs):
+        """
+        Create a new build output against this BuildOrder.
+
+        args:
+            quantity: The quantity of the item to produce
+
+        kwargs:
+            batch: Override batch code
+            serials: Serial numbers
+            location: Override location
+        """
+
+        batch = kwargs.get('batch', self.batch)
+        location = kwargs.get('location', self.destination)
+        serials = kwargs.get('serials', None)
+
+        """
+        Determine if we can create a single output (with quantity > 0),
+        or multiple outputs (with quantity = 1)
+        """
+
+        multiple = False
+
+        # Serial numbers are provided? We need to split!
+        if serials:
+            multiple = True
+
+        # BOM has trackable parts, so we must split!
+        if self.part.has_trackable_parts:
+            multiple = True
+
+        if multiple:
+            """
+            Create multiple build outputs with a single quantity of 1
+            """
+
+            for ii in range(quantity):
+
+                if serials:
+                    serial = serials[ii]
+                else:
+                    serial = None
+
+                StockModels.StockItem.objects.create(
+                    quantity=1,
+                    location=location,
+                    part=self.part,
+                    build=self,
+                    batch=batch,
+                    serial=serial,
+                    is_building=True,
+                )
+
+        else:
+            """
+            Create a single build output of the given quantity
+            """
+
+            StockModels.StockItem.objects.create(
+                quantity=quantity,
+                location=location,
+                part=self.part,
+                build=self,
+                batch=batch,
+                is_building=True
+            )
+
+        if self.status == BuildStatus.PENDING:
+            self.status = BuildStatus.PRODUCTION
+            self.save()
+
+    @transaction.atomic
+    def deleteBuildOutput(self, output):
+        """
+        Remove a build output from the database:
+
+        - Unallocate any build items against the output
+        - Delete the output StockItem
+        """
+
+        if not output:
+            raise ValidationError(_("No build output specified"))
+
+        if not output.is_building:
+            raise ValidationError(_("Build output is already completed"))
+
+        if not output.build == self:
+            raise ValidationError(_("Build output does not match Build Order"))
+
+        # Unallocate all build items against the output
+        self.unallocateStock(output)
+
+        # Remove the build output from the database
+        output.delete()
+
+    @transaction.atomic
+    def autoAllocate(self, output):
+        """
+        Run auto-allocation routine to allocate StockItems to this Build.
+
+        Args:
+            output: If specified, only auto-allocate against the given built output
 
         Returns a list of dict objects with keys like:
 
@@ -315,128 +572,171 @@ class Build(MPTTModel):
         See: getAutoAllocations()
         """
 
-        allocations = self.getAutoAllocations()
+        allocations = self.getAutoAllocations(output)
 
         for item in allocations:
             # Create a new allocation
             build_item = BuildItem(
                 build=self,
                 stock_item=item['stock_item'],
-                quantity=item['quantity'])
+                quantity=item['quantity'],
+                install_into=output,
+            )
 
             build_item.save()
 
     @transaction.atomic
-    def completeBuild(self, location, serial_numbers, user):
-        """ Mark the Build as COMPLETE
+    def completeBuildOutput(self, output, user, **kwargs):
+        """
+        Complete a particular build output
 
-        - Takes allocated items from stock
-        - Delete pending BuildItem objects
+        - Remove allocated StockItems
+        - Mark the output as complete
         """
 
-        # Complete the build allocation for each BuildItem
-        for build_item in self.allocated_stock.all().prefetch_related('stock_item'):
+        # List the allocated BuildItem objects for the given output
+        allocated_items = output.items_to_install.all()
+
+        for build_item in allocated_items:
+
+            # TODO: This is VERY SLOW as each deletion from the database takes ~1 second to complete
+            # TODO: Use celery / redis to offload the actual object deletion...
+            # REF: https://www.botreetechnologies.com/blog/implementing-celery-using-django-for-background-task-processing
+            # REF: https://code.tutsplus.com/tutorials/using-celery-with-django-for-background-task-processing--cms-28732
+
+            # Complete the allocation of stock for that item
             build_item.complete_allocation(user)
 
-            # Check that the stock-item has been assigned to this build, and remove the builditem from the database
-            if build_item.stock_item.build_order == self:
-                build_item.delete()
+        # Delete the BuildItem objects from the database
+        allocated_items.all().delete()
 
-        notes = 'Built {q} on {now}'.format(
-            q=self.quantity,
-            now=str(datetime.now().date())
+        # Ensure that the output is updated correctly
+        output.build = self
+        output.is_building = False
+
+        output.save()
+
+        output.addTransactionNote(
+            _('Completed build output'),
+            user,
+            system=True
         )
 
-        # Generate the build outputs
-        if self.part.trackable and serial_numbers:
-            # Add new serial numbers
-            for serial in serial_numbers:
-                item = StockModels.StockItem.objects.create(
-                    part=self.part,
-                    build=self,
-                    location=location,
-                    quantity=1,
-                    serial=serial,
-                    batch=str(self.batch) if self.batch else '',
-                    notes=notes
-                )
-
-                item.save()
-
-        else:
-            # Add stock of the newly created item
-            item = StockModels.StockItem.objects.create(
-                part=self.part,
-                build=self,
-                location=location,
-                quantity=self.quantity,
-                batch=str(self.batch) if self.batch else '',
-                notes=notes
-            )
-
-            item.save()
-
-        # Finally, mark the build as complete
-        self.completion_date = datetime.now().date()
-        self.completed_by = user
-        self.status = BuildStatus.COMPLETE
+        # Increase the completed quantity for this build
+        self.completed += output.quantity
         self.save()
 
-        return True
-
-    def isFullyAllocated(self):
+    def requiredQuantity(self, part, output):
         """
-        Return True if this build has been fully allocated.
-        """
-
-        bom_items = self.part.bom_items.all()
-
-        for item in bom_items:
-            part = item.sub_part
-
-            if not self.isPartFullyAllocated(part):
-                return False
-
-        return True
-
-    def isPartFullyAllocated(self, part):
-        """
-        Check if a given Part is fully allocated for this Build
-        """
-
-        return self.getAllocatedQuantity(part) >= self.getRequiredQuantity(part)
-
-    def getRequiredQuantity(self, part):
-        """ Calculate the quantity of <part> required to make this build.
+        Get the quantity of a part required to complete the particular build output.
+
+        Args:
+            part: The Part object
+            output - The particular build output (StockItem)
         """
 
+        # Extract the BOM line item from the database
         try:
-            item = PartModels.BomItem.objects.get(part=self.part.id, sub_part=part.id)
-            q = item.quantity
-        except PartModels.BomItem.DoesNotExist:
-            q = 0
+            bom_item = PartModels.BomItem.objects.get(part=self.part.pk, sub_part=part.pk)
+            quantity = bom_item.quantity
+        except (PartModels.BomItem.DoesNotExist):
+            quantity = 0
 
-        return q * self.quantity
+        if output:
+            quantity *= output.quantity
+        else:
+            quantity *= self.remaining
 
-    def getAllocatedQuantity(self, part):
-        """ Calculate the total number of <part> currently allocated to this build
+        return quantity
+
+    def allocatedItems(self, part, output):
+        """
+        Return all BuildItem objects which allocate stock of <part> to <output>
+
+        Args:
+            part - The part object
+            output - Build output (StockItem).
         """
 
-        allocated = BuildItem.objects.filter(build=self.id, stock_item__part=part.id).aggregate(q=Coalesce(Sum('quantity'), 0))
+        allocations = BuildItem.objects.filter(
+            build=self,
+            stock_item__part=part,
+            install_into=output,
+        )
+
+        return allocations
+
+    def allocatedQuantity(self, part, output):
+        """
+        Return the total quantity of given part allocated to a given build output.
+        """
+
+        allocations = self.allocatedItems(part, output)
+
+        allocated = allocations.aggregate(q=Coalesce(Sum('quantity'), 0))
 
         return allocated['q']
 
-    def getUnallocatedQuantity(self, part):
-        """ Calculate the quantity of <part> which still needs to be allocated to this build.
-
-        Args:
-            Part - the part to be tested
-
-        Returns:
-            The remaining allocated quantity
+    def unallocatedQuantity(self, part, output):
+        """
+        Return the total unallocated (remaining) quantity of a part against a particular output.
         """
 
-        return max(self.getRequiredQuantity(part) - self.getAllocatedQuantity(part), 0)
+        required = self.requiredQuantity(part, output)
+        allocated = self.allocatedQuantity(part, output)
+
+        return max(required - allocated, 0)
+
+    def isPartFullyAllocated(self, part, output):
+        """
+        Returns True if the part has been fully allocated to the particular build output
+        """
+
+        return self.unallocatedQuantity(part, output) == 0
+
+    def isFullyAllocated(self, output):
+        """
+        Returns True if the particular build output is fully allocated.
+        """
+
+        for bom_item in self.bom_items:
+            part = bom_item.sub_part
+
+            if not self.isPartFullyAllocated(part, output):
+                return False
+
+        # All parts must be fully allocated!
+        return True
+
+    def allocatedParts(self, output):
+        """
+        Return a list of parts which have been fully allocated against a particular output
+        """
+
+        allocated = []
+
+        for bom_item in self.bom_items:
+            part = bom_item.sub_part
+
+            if self.isPartFullyAllocated(part, output):
+                allocated.append(part)
+
+        return allocated
+
+    def unallocatedParts(self, output):
+        """
+        Return a list of parts which have *not* been fully allocated against a particular output
+        """
+
+        unallocated = []
+
+        for bom_item in self.bom_items:
+            part = bom_item.sub_part
+
+            if not self.isPartFullyAllocated(part, output):
+                unallocated.append(part)
+
+        return unallocated
 
     @property
     def required_parts(self):
@@ -444,26 +744,44 @@ class Build(MPTTModel):
         parts = []
 
         for item in self.part.bom_items.all().prefetch_related('sub_part'):
-            part = {
-                'part': item.sub_part,
-                'per_build': item.quantity,
-                'quantity': item.quantity * self.quantity,
-                'allocated': self.getAllocatedQuantity(item.sub_part)
-            }
-
-            parts.append(part)
+            parts.append(item.sub_part)
 
         return parts
 
-    @property
-    def can_build(self):
-        """ Return true if there are enough parts to supply build """
+    def availableStockItems(self, part, output):
+        """
+        Returns stock items which are available for allocation to this build.
 
-        for item in self.required_parts:
-            if item['part'].total_stock < item['quantity']:
-                return False
+        Args:
+            part - Part object
+            output - The particular build output
+        """
 
-        return True
+        # Grab initial query for items which are "in stock" and match the part
+        items = StockModels.StockItem.objects.filter(
+            StockModels.StockItem.IN_STOCK_FILTER
+        )
+
+        items = items.filter(part=part)
+
+        # Exclude any items which have already been allocated
+        allocated = BuildItem.objects.filter(
+            build=self,
+            stock_item__part=part,
+            install_into=output,
+        )
+
+        items = items.exclude(
+            id__in=[item.stock_item.id for item in allocated.all()]
+        )
+
+        # Limit query to stock items which are "downstream" of the source location
+        if self.take_from is not None:
+            items = items.filter(
+                location__in=[loc for loc in self.take_from.getUniqueChildren()]
+            )
+
+        return items
 
     @property
     def is_active(self):
@@ -478,9 +796,21 @@ class Build(MPTTModel):
     @property
     def is_complete(self):
         """ Returns True if the build status is COMPLETE """
+
         return self.status == BuildStatus.COMPLETE
 
 
+class BuildOrderAttachment(InvenTreeAttachment):
+    """
+    Model for storing file attachments against a BuildOrder object
+    """
+
+    def getSubdir(self):
+        return os.path.join('bo_files', str(self.build.id))
+
+    build = models.ForeignKey(Build, on_delete=models.CASCADE, related_name='attachments')
+
+
 class BuildItem(models.Model):
     """ A BuildItem links multiple StockItem objects to a Build.
     These are used to allocate part stock to a build.
@@ -500,9 +830,38 @@ class BuildItem(models.Model):
 
     class Meta:
         unique_together = [
-            ('build', 'stock_item'),
+            ('build', 'stock_item', 'install_into'),
         ]
 
+    def save(self, *args, **kwargs):
+
+        self.validate_unique()
+        self.clean()
+
+        super().save()
+
+    def validate_unique(self, exclude=None):
+        """
+        Test that this BuildItem object is "unique".
+        Essentially we do not want a stock_item being allocated to a Build multiple times.
+        """
+
+        super().validate_unique(exclude)
+
+        items = BuildItem.objects.exclude(id=self.id).filter(
+            build=self.build,
+            stock_item=self.stock_item,
+            install_into=self.install_into
+        )
+
+        if items.exists():
+            msg = _("BuildItem must be unique for build, stock_item and install_into")
+            raise ValidationError({
+                'build': msg,
+                'stock_item': msg,
+                'install_into': msg
+            })
+
     def clean(self):
         """ Check validity of the BuildItem model.
         The following checks are performed:
@@ -511,27 +870,37 @@ class BuildItem(models.Model):
         - Allocation quantity cannot exceed available quantity
         """
 
-        super(BuildItem, self).clean()
+        self.validate_unique()
+        
+        super().clean()
 
         errors = {}
 
+        if not self.install_into:
+            raise ValidationError(_('Build item must specify a build output'))
+
         try:
-            if self.stock_item.part not in self.build.part.required_parts():
+            # Allocated part must be in the BOM for the master part
+            if self.stock_item.part not in self.build.part.getRequiredParts(recursive=False):
                 errors['stock_item'] = [_("Selected stock item not found in BOM for part '{p}'".format(p=self.build.part.full_name))]
             
+            # Allocated quantity cannot exceed available stock quantity
             if self.quantity > self.stock_item.quantity:
                 errors['quantity'] = [_("Allocated quantity ({n}) must not exceed available quantity ({q})".format(
-                    n=self.quantity,
-                    q=self.stock_item.quantity
+                    n=normalize(self.quantity),
+                    q=normalize(self.stock_item.quantity)
                 ))]
 
+            # Allocated quantity cannot cause the stock item to be over-allocated
             if self.stock_item.quantity - self.stock_item.allocation_count() + self.quantity < self.quantity:
                 errors['quantity'] = _('StockItem is over-allocated')
 
+            # Allocated quantity must be positive
             if self.quantity <= 0:
                 errors['quantity'] = _('Allocation quantity must be greater than zero')
 
-            if self.stock_item.serial and not self.quantity == 1:
+            # Quantity must be 1 for serialized stock
+            if self.stock_item.serialized and not self.quantity == 1:
                 errors['quantity'] = _('Quantity must be 1 for serialized stock')
 
         except (StockModels.StockItem.DoesNotExist, PartModels.Part.DoesNotExist):
@@ -540,22 +909,33 @@ class BuildItem(models.Model):
         if len(errors) > 0:
             raise ValidationError(errors)
 
+    @transaction.atomic
     def complete_allocation(self, user):
+        """
+        Complete the allocation of this BuildItem into the output stock item.
+
+        - If the referenced part is trackable, the stock item will be *installed* into the build output
+        - If the referenced part is *not* trackable, the stock item will be removed from stock
+        """
 
         item = self.stock_item
 
+        # For a trackable part, special consideration needed!
+        if item.part.trackable:
             # Split the allocated stock if there are more available than allocated
             if item.quantity > self.quantity:
                 item = item.splitStock(self.quantity, None, user)
 
-            # Update our own reference to the new item
+                # Make sure we are pointing to the new item
                 self.stock_item = item
                 self.save()
 
-        # TODO - If the item__part object is not trackable, delete the stock item here
-        
-        item.build_order = self.build
+            # Install the stock item into the output
+            item.belongs_to = self.install_into
             item.save()
+        else:
+            # Simply remove the items from stock
+            item.take_stock(self.quantity, user)
 
     build = models.ForeignKey(
         Build,
@@ -568,7 +948,7 @@ class BuildItem(models.Model):
         'stock.StockItem',
         on_delete=models.CASCADE,
         related_name='allocations',
-        help_text=_('Stock Item to allocate to build'),
+        help_text=_('Source stock item'),
         limit_choices_to={
             'build_order': None,
             'sales_order': None,
@@ -583,3 +963,14 @@ class BuildItem(models.Model):
         validators=[MinValueValidator(0)],
         help_text=_('Stock quantity to allocate to build')
     )
+
+    install_into = models.ForeignKey(
+        'stock.StockItem',
+        on_delete=models.SET_NULL,
+        blank=True, null=True,
+        related_name='items_to_install',
+        help_text=_('Destination stock item'),
+        limit_choices_to={
+            'is_building': True,
+        }
+    )

InvenTree/build/serializers.py

@@ -38,6 +38,7 @@ class BuildSerializer(InvenTreeModelSerializer):
             'url',
             'title',
             'creation_date',
+            'completed',
             'completion_date',
             'part',
             'part_detail',
@@ -51,9 +52,10 @@ class BuildSerializer(InvenTreeModelSerializer):
         ]
 
         read_only_fields = [
-            'status',
+            'completed',
             'creation_date',
             'completion_data',
+            'status',
             'status_text',
         ]
 
@@ -73,6 +75,7 @@ class BuildItemSerializer(InvenTreeModelSerializer):
         fields = [
             'pk',
             'build',
+            'install_into',
             'part',
             'part_name',
             'part_image',

InvenTree/build/templates/build/allocate.html

@@ -11,404 +11,68 @@ InvenTree | Allocate Parts
 
 {% include "build/tabs.html" with tab='allocate' %}
 
-<div id='build-item-toolbar'>
-    {% if build.status == BuildStatus.PENDING %}
-    <div class='btn-group'>
-        <button class='btn btn-primary' type='button' id='btn-order-parts' title='Order Parts'>{% trans "Order Parts" %}</button>
-        <button class='btn btn-primary' type='button' id='btn-allocate' title='{% trans "Automatically allocate stock" %}'>{% trans "Auto Allocate" %}</button>
-        <button class='btn btn-danger' type='button' id='btn-unallocate' title='Unallocate Stock'>{% trans "Unallocate" %}</button>
+<h4>{% trans "Incomplete Build Ouputs" %}</h4>
+
+<hr>
+
+{% if build.is_complete %}
+<div class='alert alert-block alert-success'>
+    {% trans "Build order has been completed" %}
 </div>
-    {% endif %}
+{% else %}
+<div class='btn-group' role='group'>
+    <button class='btn btn-primary' type='button' id='btn-create-output' title='{% trans "Create new build output" %}'>
+        <span class='fas fa-plus-circle'></span> {% trans "Create New Output" %}
+    </button>
+    <!--
+        <button class='btn btn-primary' type='button' id='btn-order-parts' title='{% trans "Order required parts" %}'>
+            <span class='fas fa-shopping-cart'></span> {% trans "Order Parts" %}
+        </button>
+    -->
+    <button class='btn btn-danger' type='button' id='btn-unallocate' title='{% trans "Unallocate stock" %}'>
+        <span class='fas fa-minus-circle'></span> {% trans "Unallocate Stock" %}
+    </button>
 </div>
 
-<table class='table table-striped table-condensed' id='build-item-list' data-toolbar='#build-item-toolbar'></table>   
+<hr>
+{% if build.incomplete_outputs %}
+<div class="panel-group" id="build-output-accordion" role="tablist" aria-multiselectable="true">
+    {% for item in build.incomplete_outputs %}
+    {% include "build/allocation_card.html" with item=item %}
+    {% endfor %}
+</div>
+{% else %}
+<div class='alert alert-block alert-info'>
+    <b>{% trans "Create a new build output" %}</b><br>
+    {% trans "No incomplete build outputs remain." %}<br>
+    {% trans "Create a new build output using the button above" %}
+</div>
+{% endif %}
+
+{% endif %} 
 
 {% endblock %}
 
 {% block js_ready %}
 {{ block.super }}
 
-    var buildTable = $("#build-item-list");
+    var buildInfo = {
+        pk: {{ build.pk }},
+        quantity: {{ build.quantity }},
+        completed: {{ build.completed }},
+        part: {{ build.part.pk }},
+    };
 
-    // Calculate sum of allocations for a particular table row
-    function sumAllocations(row) {
-        if (row.allocations == null) {
-            return 0;
-        }
-
-        var quantity = 0;
-
-        row.allocations.forEach(function(item) {
-            quantity += item.quantity;
-        });
-
-        return quantity;
-    }
-
-    function getUnallocated(row) {
-        // Return the number of items remaining to be allocated for a given row
-        return {{ build.quantity }} * row.quantity - sumAllocations(row);
-    }
-
-    function setExpandedAllocatedLocation(row) {
-        // Handle case when stock item does not have a location set
-        if (row.location_detail == null) {
-            return 'No stock location set';
-        } else {
-            return row.location_detail.pathstring;
-        }
-    }
-
-    function reloadTable() {
-        // Reload the build allocation table
-        buildTable.bootstrapTable('refresh');
-    }
-
-    function setupCallbacks() {
-        // Register button callbacks once the table data are loaded
-
-        buildTable.find(".button-add").click(function() {
-            var pk = $(this).attr('pk');
-
-            // Extract row data from the table
-            var idx = $(this).closest('tr').attr('data-index');
-            var row = buildTable.bootstrapTable('getData')[idx];
-
-            launchModalForm('/build/item/new/', {
-                success: reloadTable,
-                data: {
-                    part: row.sub_part,
-                    build: {{ build.id }},
-                    quantity: getUnallocated(row),
-                },
-                secondary: [
+    {% for item in build.incomplete_outputs %}
+    // Get the build output as a javascript object
+    inventreeGet('{% url 'api-stock-detail' item.pk %}', {},
         {
-                        field: 'stock_item',
-                        label: '{% trans "New Stock Item" %}',
-                        title: '{% trans "Create new Stock Item" %}',
-                        url: '{% url "stock-item-create" %}',
-                        data: {
-                            part: row.sub_part,
-                        },
-                    },
-                ]
-            });
-        });
-
-
-        buildTable.find(".button-build").click(function() {
-            // Start a new build for the sub_part
-
-            var pk = $(this).attr('pk');
-
-            // Extract row data from the table
-            var idx = $(this).closest('tr').attr('data-index');
-            var row = buildTable.bootstrapTable('getData')[idx];
-
-            launchModalForm('/build/new/', {
-                follow: true,
-                data: {
-                    part: row.sub_part,
-                    parent: {{ build.id }},
-                    quantity: getUnallocated(row),
-                },
-            });
-
-        });
-
-        buildTable.find(".button-buy").click(function() {
-            var pk = $(this).attr('pk');
-
-            // Extract row data from the table
-            var idx = $(this).closest('tr').attr('data-index');
-            var row = buildTable.bootstrapTable('getData')[idx];
-
-            launchModalForm("{% url 'order-parts' %}", {
-                data: {
-                    parts: [row.sub_part],
-                },
-            });
-        });
+            success: function(response) {
+                loadBuildOutputAllocationTable(buildInfo, response);
             }
-
-    buildTable.inventreeTable({
-        uniqueId: 'sub_part',
-        url: "{% url 'api-bom-list' %}",
-        onPostBody: setupCallbacks,
-        detailViewByClick: true,
-        detailView: true,
-        detailFilter: function(index, row) {
-            return row.allocations != null;
-        },
-        detailFormatter: function(index, row, element) {
-            // Construct an 'inner table' which shows the stock allocations
-
-            var subTableId = `allocation-table-${row.pk}`;
-
-            var html = `<div class='sub-table'><table class='table table-condensed table-striped' id='${subTableId}'></table></div>`;
-
-            element.html(html);
-
-            var lineItem = row;
-
-            var subTable = $(`#${subTableId}`);
-
-            subTable.bootstrapTable({
-                data: row.allocations,
-                showHeader: true,
-                columns: [
-                    {
-                        width: '50%',
-                        field: 'quantity',
-                        title: 'Quantity',
-                        formatter: function(value, row, index, field) {
-                            var text = '';
-
-                            var url = '';
-
-                            if (row.serial && row.quantity == 1) {
-                                text = `{% trans "Serial Number" %}: ${row.serial}`;
-                            } else {
-                                text = `{% trans "Quantity" %}: ${row.quantity}`;
         }
-
-                            {% if build.status == BuildStatus.COMPLETE %}
-                            url = `/stock/item/${row.pk}/`;
-                            {% else %}
-                            url = `/stock/item/${row.stock_item}/`;
-                            {% endif %}
-
-                            return renderLink(text, url);
-                        },
-                    },
-                    {
-                        field: 'location',
-                        title: '{% trans "Location" %}',
-                        formatter: function(value, row, index, field) {
-                            {% if build.status == BuildStatus.COMPLETE %}
-                            var text = setExpandedAllocatedLocation(row);
-                            var url = `/stock/location/${row.location}/`;
-                            {% else %}
-                            var text = row.stock_item_detail.location_name;
-                            var url = `/stock/location/${row.stock_item_detail.location}/`;
-                            {% endif %}
-
-                            return renderLink(text, url);
-                        }
-                    },
-                    {% if build.status == BuildStatus.PENDING %}
-                    {
-                        field: 'buttons',
-                        title: 'Actions',
-                        formatter: function(value, row) {
-
-                            var pk = row.pk;
-
-                            var html = `<div class='btn-group float-right' role='group'>`;
-
-                            {% if build.status == BuildStatus.PENDING %}
-                            html += makeIconButton('fa-edit icon-blue', 'button-allocation-edit', pk, '{% trans "Edit stock allocation" %}');
-                            html += makeIconButton('fa-trash-alt icon-red', 'button-allocation-delete', pk, '{% trans "Delete stock allocation" %}');
-                            {% endif %}
-
-                            html += `</div>`;
-
-                            return html;
-                        },
-                    },
-                    {% endif %}
-                ]
-            });
-
-            // Assign button callbacks to the newly created allocation buttons
-            subTable.find(".button-allocation-edit").click(function() {
-                var pk = $(this).attr('pk');
-                launchModalForm(`/build/item/${pk}/edit/`, {
-                    success: reloadTable,
-                });
-            });
-
-            subTable.find('.button-allocation-delete').click(function() {
-                var pk = $(this).attr('pk');
-                launchModalForm(`/build/item/${pk}/delete/`, {
-                    success: reloadTable,
-                });
-            });
-        },
-        formatNoMatches: function() { return "{% trans 'No BOM items found' %}"; },
-        onLoadSuccess: function(tableData) {
-            // Once the BOM data are loaded, request allocation data for the build
-            {% if build.status == BuildStatus.COMPLETE %}
-            // Request StockItem which have been assigned to this build
-            inventreeGet('/api/stock/',
-                {
-                    build_order: {{ build.id }},
-                    location_detail: true,
-                },
-                {
-                    success: function(data) {
-                        // Iterate through the returned data, group by "part",
-                        var allocations = {};
-
-                        data.forEach(function(item) {
-                            // Group allocations by referenced 'part'
-                            var key = parseInt(item.part);
-
-                            if (!(key in allocations)) {
-                                allocations[key] = new Array();
-                            }
-
-                            allocations[key].push(item);
-                        });
-
-                        for (var key in allocations) {
-
-                            var tableRow = buildTable.bootstrapTable('getRowByUniqueId', key);
-
-                            tableRow.allocations = allocations[key];
-
-                            buildTable.bootstrapTable('updateByUniqueId', key, tableRow, true);
-                        }
-                    },
-                },
     );
-
-            {% else %}
-            inventreeGet('/api/build/item/',
-                {
-                    build: {{ build.id }},
-                },
-                {
-                    success: function(data) {
-
-                        // Iterate through the returned data, and group by "part"
-                        var allocations = {};
-
-                        data.forEach(function(item) {
-
-                            // Group allocations by referenced 'part'
-                            var part = item.part;
-                            var key = parseInt(part);
-                            
-                            if (!(key in allocations)) {
-                                allocations[key] = new Array();
-                            }
-
-                            // Add the allocation to the list
-                            allocations[key].push(item);
-                        });
-
-                        for (var key in allocations) {
-   
-                            // Select the associated row in the table
-                            var tableRow = buildTable.bootstrapTable('getRowByUniqueId', key);
-
-                            // Set the allocations for the row
-                            tableRow.allocations = allocations[key];
-
-                            // And push the updated row back into the main table
-                            buildTable.bootstrapTable('updateByUniqueId', key, tableRow, true);
-                        }
-                    }
-                },
-            );
-            {% endif %}
-        },
-        queryParams: {
-            part: {{ build.part.id }},
-            sub_part_detail: 1,
-        },
-        columns: [
-            {
-                field: 'id',
-                visible: false,
-            },
-            {
-                sortable: true,
-                field: 'sub_part',
-                title: '{% trans "Part" %}',
-                formatter: function(value, row, index, field) {
-                    return imageHoverIcon(row.sub_part_detail.thumbnail) + renderLink(row.sub_part_detail.full_name, `/part/${row.sub_part}/`);
-                },
-            },
-            {
-                sortable: true,
-                field: 'sub_part_detail.description',
-                title: '{% trans "Description" %}',
-            },
-            {
-                sortable: true,
-                field: 'reference',
-                title: '{% trans "Reference" %}',
-            },
-            {
-                sortable: true,
-                field: 'quantity',
-                title: '{% trans "Required" %}',
-                formatter: function(value, row) {
-                    return value * {{ build.quantity }};
-                },
-            },
-            {
-                sortable: true,
-                field: 'allocated',
-                {% if build.status == BuildStatus.COMPLETE %}
-                title: '{% trans "Assigned" %}',
-                {% else %}
-                title: '{% trans "Allocated" %}',
-                {% endif %}
-                formatter: function(value, row) {
-
-                    var allocated = sumAllocations(row);
-
-                    return makeProgressBar(allocated, row.quantity * {{ build.quantity }});
-                },
-                sorter: function(valA, valB, rowA, rowB) {
-
-                    var aA = sumAllocations(rowA);
-                    var aB = sumAllocations(rowB);
-                
-                    var qA = rowA.quantity * {{ build.quantity }};
-                    var qB = rowB.quantity * {{ build.quantity }};
-
-                    if (aA == 0 && aB == 0) {
-                        return (qA > qB) ? 1 : -1;
-                    }
-                    
-                    var progressA = parseFloat(aA) / qA;
-                    var progressB = parseFloat(aB) / qB;
-    
-                    return (progressA < progressB) ? 1 : -1;
-                }
-            },
-            {% if build.status == BuildStatus.PENDING %}
-            {
-                field: 'buttons',
-                formatter: function(value, row, index, field) {
-
-                    var html = `<div class='btn-group float-right' role='group'>`;
-                    var pk = row.sub_part;
-
-                    {% if build.status == BuildStatus.PENDING %}
-                    if (row.sub_part_detail.purchaseable) {
-                        html += makeIconButton('fa-shopping-cart', 'button-buy', pk, '{% trans "Buy parts" %}');
-                    }
-
-                    if (row.sub_part_detail.assembly) {
-                        html += makeIconButton('fa-tools', 'button-build', pk, '{% trans "Build parts" %}');
-                    }
-
-                    html += makeIconButton('fa-plus icon-green', 'button-add', pk, '{% trans "Allocate stock" %}');
-                    {% endif %}
-                    
-                    html += '</div>';
-
-                    return html;
-                },
-            }
-            {% endif %}
-        ],
-    });
+    {% endfor %}
 
     {% if build.status == BuildStatus.PENDING %}
     $("#btn-allocate").on('click', function() {
@@ -424,7 +88,15 @@ InvenTree | Allocate Parts
         launchModalForm(
             "{% url 'build-unallocate' build.id %}",
             {
-                success: reloadTable,
+                reload: true,
+            }
+        );
+    });
+
+    $('#btn-create-output').click(function() {
+        launchModalForm('{% url "build-output-create" build.id %}',
+            {
+                reload: true,
             }
         );
     });

InvenTree/build/templates/build/allocation_card.html

@@ -0,0 +1,43 @@
+{% load i18n %}
+{% load inventree_extras %}
+
+{% define item.pk as pk %}
+
+<div class="panel panel-default" id='allocation-panel-{{ pk }}'>
+    <div class="panel-heading" role="tab" id="heading-{{ pk }}">
+      <div class="panel-title">
+          <div class='row'>
+              <a class='collapsed' aria-expanded='false' role="button" data-toggle="collapse" data-parent="#build-output-accordion" href="#collapse-{{ pk }}" aria-controls="collapse-{{ pk }}">
+                <div class='col-sm-4'>
+                    <span class='fas fa-caret-right'></span>
+                    {{ item.part.full_name }}
+                </div>
+                <div class='col-sm-2'>
+                    {% if item.serial %}
+                    # {{ item.serial }}
+                    {% else %}
+                    {% decimal item.quantity %}
+                    {% endif %}
+                </div>
+            </a>
+            <div class='col-sm-3'>
+                <div>
+                    <div id='output-progress-{{ pk }}'>
+                        <span class='fas fa-spin fa-spinner'></span>
+                    </div>
+                </div>
+            </div>
+            <div class='col-sm-3'>
+                <div class='btn-group float-right' id='output-actions-{{ pk }}'>
+                    <span class='fas fa-spin fa-spinner'></span>
+                </div>
+            </div>
+        </div>
+    </div>
+    </div>
+    <div id="collapse-{{ pk }}" class="panel-collapse collapse" role="tabpanel" aria-labelledby="heading-{{ pk }}">
+      <div class="panel-body">
+          <table class='table table-striped table-condensed' id='allocation-table-{{ pk }}'></table>
+      </div>
+    </div>
+  </div>

InvenTree/build/templates/build/attachments.html

@@ -0,0 +1,78 @@
+{% extends "build/build_base.html" %}
+
+{% load static %}
+{% load i18n %}
+{% load markdownify %}
+
+{% block details %}
+
+{% include "build/tabs.html" with tab='attachments' %}
+
+<h4>{% trans "Attachments" %}</h4>
+<hr>
+
+{% include "attachment_table.html" with attachments=build.attachments.all %}
+
+{% endblock %}
+
+{% block js_ready %}
+{{ block.super }}
+
+enableDragAndDrop(
+    '#attachment-dropzone',
+    '{% url "build-attachment-create" %}',
+    {
+        data: {
+            build: {{ build.id }},
+        },
+        label: 'attachment',
+        success: function(data, status, xhr) {
+            location.reload();
+        }
+    }
+);
+
+// Callback for creating a new attachment
+$('#new-attachment').click(function() {
+    launchModalForm(
+        '{% url "build-attachment-create" %}',
+        {
+            reload: true,
+            data: {
+                build: {{ build.pk }},
+            }
+        }
+    );
+});
+
+// Callback for editing an attachment
+$("#attachment-table").on('click', '.attachment-edit-button', function() {
+    var pk = $(this).attr('pk');
+
+    var url = `/build/attachment/${pk}/edit/`;
+
+    launchModalForm(
+        url,
+        {
+            reload: true,
+        }
+    );
+});
+
+// Callback for deleting an attachment
+$("#attachment-table").on('click', '.attachment-delete-button', function() {
+    var pk = $(this).attr('pk');
+
+    var url = `/build/attachment/${pk}/delete/`;
+
+    launchModalForm(
+        url,
+        {
+            reload: true,
+        }
+    );
+});
+
+$("#attachment-table").inventreeTable({});
+
+{% endblock %}

InvenTree/build/templates/build/auto_allocate.html

@@ -7,12 +7,9 @@
 
 <div class='alert alert-block alert-info'>
     <b>{% trans "Automatically Allocate Stock" %}</b><br>
-{% trans "Stock Items are selected for automatic allocation if there is only a single stock item available." %}<br>
-{% trans "The following stock items will be allocated to the build:" %}<br>
+    {% trans "The following stock items will be allocated to the specified build output" %}
 </div>
-
 {% if allocations %}
-
 <table class='table table-striped table-condensed'>
 <tr>
     <th></th>

InvenTree/build/templates/build/build_base.html

@@ -68,11 +68,6 @@ src="{% static 'img/blank_image.png' %}"
 
 <h4>{% trans "Build Details" %}</h4>
 <table class='table table-striped table-condensed'>
-    <tr>
-        <td><span class='fas fa-hashtag'></span></td>
-        <td>{% trans "Build Order Reference" %}</td>
-        <td>{{ build }}</td>
-    </tr>
     <tr>
         <td><span class='fas fa-shapes'></span></td>
         <td>{% trans "Part" %}</td>
@@ -88,6 +83,11 @@ src="{% static 'img/blank_image.png' %}"
         <td>{% trans "Status" %}</td>
         <td>{% build_status_label build.status %}</td>
     </tr>
+    <tr>
+        <td><span class='fas fa-spinner'></span></td>
+        <td>{% trans "Progress" %}</td>
+        <td> {{ build.completed }} / {{ build.quantity }}</td>
+    </tr>
     {% if build.parent %}
     <tr>
         <td><span class='fas fa-sitemap'></span></td>
@@ -102,20 +102,6 @@ src="{% static 'img/blank_image.png' %}"
         <td><a href="{% url 'so-detail' build.sales_order.id %}">{{ build.sales_order }}</a></td>
     </tr>
     {% endif %}
-    <tr>
-        <td><span class='fas fa-dollar-sign'></span></td>
-        <td>{% trans "BOM Price" %}</td>
-        <td>
-            {% if bom_price %}
-            {{ bom_price }}
-            {% if build.part.has_complete_bom_pricing == False %}
-            <br><span class='warning-msg'><i>{% trans "BOM pricing is incomplete" %}</i></span>
-            {% endif %}
-            {% else %}
-            <span class='warning-msg'><i>{% trans "No pricing information" %}</i></span>
-            {% endif %}
-        </td>
-    </tr>
 </table>
 {% endblock %}
 

InvenTree/build/templates/build/build_output_create.html

@@ -0,0 +1,20 @@
+{% extends "modal_form.html" %}
+{% load i18n %}
+{% block pre_form_content %}
+
+{% if build.part.has_trackable_parts %}
+<div class='alert alert-block alert-warning'>
+    {% trans "The Bill of Materials contains trackable parts" %}<br>
+    {% trans "Build outputs must be generated individually." %}<br>
+    {% trans "Multiple build outputs will be created based on the quantity specified." %}
+</div>
+{% endif %}
+
+{% if build.part.trackable %}
+<div class='alert alert-block alert-info'>
+    {% trans "Trackable parts can have serial numbers specified" %}<br>
+    {% trans "Enter serial numbers to generate multiple single build outputs" %}
+</div>
+{% endif %}
+
+{% endblock %}

InvenTree/build/templates/build/cancel.html

@@ -1,7 +1,7 @@
 {% extends "modal_form.html" %}
-
+{% load i18n %}
 {% block pre_form_content %}
 
-Are you sure you wish to cancel this build?
+{% trans "Are you sure you wish to cancel this build?" %}
 
 {% endblock %}

InvenTree/build/templates/build/complete.html

@@ -3,35 +3,21 @@
 
 {% block pre_form_content %}
 
-<h4>{% trans "Build" %} - {{ build }}</h4>
-
-{% if build.isFullyAllocated %}
-<div class='alert alert-block alert-info'>
-    <h4>{% trans "Build order allocation is complete" %}</h4>
+{% if build.can_complete %}
+<div class='alert alert-block alert-success'>
+    {% trans "Build can be completed" %}
 </div>
 {% else %}
 <div class='alert alert-block alert-danger'>
-    <h4>{% trans "Warning: Build order allocation is not complete" %}</h4>
-    {% trans "Build Order has not been fully allocated. Ensure that all Stock Items have been allocated to the Build" %}
-</div>
-{% endif %}
-
-<div class='alert alert-block alert-success'>
-    <h4>{% trans "The following actions will be performed:" %}</h4>
+    <b>{% trans "Build cannot be completed" %}</b><br>
     <ul>
-        <li>{% trans "Remove allocated items from stock" %}</li>
-        <li>{% trans "Add completed items to stock" %}</li>
+        {% if build.incomplete_count > 0 %}
+        <li>{% trans "Incompleted build outputs remain" %}</li>
+        {% endif %}
+        {% if build.completed < build.quantity %}
+        <li>{% trans "Required build quantity has not been completed" %}</li>
+        {% endif %}
     </ul>
 </div>
-
-<div class='panel panel-default'>
-    <div class='panel-heading'>
-        {% trans "The following items will be created" %}
-    </div>
-    <div class='panel-content'>
-        {% include "hover_image.html" with image=build.part.image hover=True %}
-        {{ build.quantity }} x {{ build.part.full_name }}
-    </div>
-</div>
-
+{% endif %}
 {% endblock %}

InvenTree/build/templates/build/complete_output.html

@@ -0,0 +1,48 @@
+{% extends "modal_form.html" %}
+{% load inventree_extras %}
+{% load i18n %}
+
+{% block pre_form_content %}
+
+{% if fully_allocated %}
+<div class='alert alert-block alert-info'>
+    <h4>{% trans "Stock allocation is complete" %}</h4>
+</div>
+{% else %}
+<div class='alert alert-block alert-danger'>
+    <h4>{% trans "Stock allocation is incomplete" %}</h4>
+
+    <div class='panel-group'>
+        <div class='panel panel-default'>
+            <div class='panel panel-heading'>
+                <a data-toggle='collapse' href='#collapse-unallocated'>
+                    {{ unallocated_parts|length }} {% trans "parts have not been fully allocated" %}
+                </a>
+            </div>
+            <div class='panel-collapse collapse' id='collapse-unallocated'>
+                <div class='panel-body'>
+                    <ul class='list-group'>
+                        {% for part in unallocated_parts %}
+                        <li class='list-group-item'>
+                            {% include "hover_image.html" with image=part.image %} {{ part }}
+                        </li>
+                        {% endfor %}
+                    </ul>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+{% endif %}
+
+<div class='panel panel-info'>
+    <div class='panel-heading'>
+        {% trans "The following items will be created" %}
+    </div>
+    <div class='panel-content'>
+        {% include "hover_image.html" with image=build.part.image hover=True %}
+        {% decimal output.quantity %} x {{ output.part.full_name }}
+    </div>
+</div>
+
+{% endblock %}

InvenTree/build/templates/build/create_build_item.html

@@ -1,9 +1,22 @@
 {% extends "modal_form.html" %}
+{% load i18n %}
 
 {% block pre_form_content %}
+<div class='alert alert-block alert-info'>
+    <p>
+        {% trans "Select a stock item to allocate to the selected build output" %}
+    </p>
+    {% if output %}
+    <p>
+        {% trans "The allocated stock will be installed into the following build output:" %}
+        <br>
+        <i>{{ output }}</i>
+    </p>
+    {% endif %}
+</div>
 {% if no_stock %}
 <div class='alert alert-danger alert-block' role='alert'>
-    No stock available for {{ part }}
+    {% trans "No stock available for" %} {{ part }}
 </div>
 {% endif %}
 {% endblock %}

InvenTree/build/templates/build/delete_build_item.html

@@ -3,7 +3,12 @@
 {% load inventree_extras %}
 
 {% block pre_form_content %}
-{% trans "Are you sure you want to unallocate these parts?" %}
-<br>
-This will remove {% decimal item.quantity %} parts from build '{{ item.build.title }}'.
+<div class='alert alert-block alert-danger'>
+    <p>
+        {% trans "Are you sure you want to unallocate this stock?" %}
+    </p>
+    <p>
+        {% trans "The selected stock will be unallocated from the build output" %}
+    </p>
+</div>
 {% endblock %}

InvenTree/build/templates/build/detail.html

@@ -10,11 +10,13 @@
 
 <hr>
 
+<div class='row'>
+    <div class='col-sm-6'>
         <table class='table table-striped'>
             <col width='25'>
         <tr>
-    <td></td>
-    <td>{% trans "Title" %}</td>
+            <td><span class='fas fa-info'></span></td>
+            <td>{% trans "Description" %}</td>
             <td>{{ build.title }}</td>
         </tr>
         <tr>
@@ -33,7 +35,20 @@
                 {% if build.take_from %}
                 <a href="{% url 'stock-location-detail' build.take_from.id %}">{{ build.take_from }}</a>
                 {% else %}
-        {% trans "Stock can be taken from any available location." %}
+                <i>{% trans "Stock can be taken from any available location." %}</i>
+                {% endif %}
+            </td>
+        </tr>
+        <tr>
+            <td><span class='fas fa-map-marker-alt'></span></td>
+            <td>{% trans "Destination" %}</td>
+            <td>
+                {% if build.destination %}
+                <a href="{% url 'stock-location-detail' build.destination.id %}">
+                    {{ build.destination }}
+                </a>
+                {% else %}
+                <i>{% trans "Destination location not specified" %}</i>
                 {% endif %}
             </td>
         </tr>
@@ -42,13 +57,32 @@
             <td>{% trans "Status" %}</td>
             <td>{% build_status_label build.status %}</td>
         </tr>
+        <tr>
+            <td><span class='fas fa-spinner'></span></td>
+            <td>{% trans "Progress" %}</td>
+            <td>{{ build.completed }} / {{ build.quantity }}</td>
+        </tr>
         {% if build.batch %}
         <tr>
-    <td></td>
+            <td><span class='fas fa-layer-group'></span></td>
             <td>{% trans "Batch" %}</td>
             <td>{{ build.batch }}</td>
         </tr>
         {% endif %}
+        {% if build.parent %}
+        <tr>
+            <td><span class='fas fa-sitemap'></span></td>
+            <td>{% trans "Parent Build" %}</td>
+            <td><a href="{% url 'build-detail' build.parent.id %}">{{ build.parent }}</a></td>
+        </tr>
+        {% endif %}
+        {% if build.sales_order %}
+        <tr>
+            <td><span class='fas fa-dolly'></span></td>
+            <td>{% trans "Sales Order" %}</td>
+            <td><a href="{% url 'so-detail' build.sales_order.id %}">{{ build.sales_order }}</a></td>
+        </tr>
+        {% endif %}
         {% if build.link %}
         <tr>
             <td><span class='fas fa-link'></span></td>
@@ -61,19 +95,25 @@
             <td>{% trans "Created" %}</td>
             <td>{{ build.creation_date }}</td>
         </tr>
-{% if build.is_active %}
+        </table>
+    </div>
+    <div class='col-sm-6'>
+        <table class='table table-striped'>
+            <col width='25'>
             <tr>
-    <td></td>
-    <td>{% trans "Enough Parts?" %}</td>
+                <td><span class='fas fa-dollar-sign'></span></td>
+                <td>{% trans "BOM Price" %}</td>
                 <td>
-        {% if build.can_build %}
-        {% trans "Yes" %}
+                    {% if bom_price %}
+                    {{ bom_price }}
+                    {% if build.part.has_complete_bom_pricing == False %}
+                    <br><span class='warning-msg'><i>{% trans "BOM pricing is incomplete" %}</i></span>
+                    {% endif %}
                     {% else %}
-        {% trans "No" %}
+                    <span class='warning-msg'><i>{% trans "No pricing information" %}</i></span>
                     {% endif %}
                 </td>
             </tr>
-{% endif %}
             {% if build.completion_date %}
             <tr>
                 <td><span class='fas fa-calendar-alt'></span></td>
@@ -81,6 +121,9 @@
                 <td>{{ build.completion_date }}{% if build.completed_by %}<span class='badge'>{{ build.completed_by }}</span>{% endif %}</td>
             </tr>
             {% endif %}
+    
         </table>
+    </div>
+</div>
 
 {% endblock %}

InvenTree/build/templates/build/edit_build_item.html

@@ -0,0 +1,10 @@
+{% extends "modal_form.html" %}
+{% load i18n %}
+
+{% block pre_form_content %}
+<div class='alert alert-block alert-info'>
+    <p>
+        {% trans "Alter the quantity of stock allocated to the build output" %}
+    </p>
+</div>
+{% endblock %}

InvenTree/build/templates/build/index.html

@@ -21,7 +21,8 @@ InvenTree | {% trans "Build Orders" %}
     
     <div id='button-toolbar'>
         <div class='button-toolbar container-fluid' style='float: right;'>
-            <button type='button' class="btn btn-success" id='new-build'>{% trans "New Build Order" %}</button>
+            <button type='button' class="btn btn-success" id='new-build'>
+                <span class='fas fa-tools'></span> {% trans "New Build Order" %}</button>
             <div class='filter-list' id='filter-list-build'>
                 <!-- An empty div in which the filter list will be constructed -->
             </div>
@@ -40,12 +41,7 @@ InvenTree | {% trans "Build Orders" %}
     $("#collapse-item-active").collapse().show();
 
     $("#new-build").click(function() {
-        launchModalForm(
-            "{% url 'build-create' %}",
-            {
-                follow: true
-            }
-        );
+        newBuildOrder();
     });
 
     loadBuildTable($("#build-table"), {

InvenTree/build/templates/build/tabs.html

@@ -5,7 +5,7 @@
         <a href="{% url 'build-detail' build.id %}">{% trans "Details" %}</a>
     </li>
     <li{% if tab == 'allocate' %} class='active'{% endif %}>
-        <a href="{% url 'build-allocate' build.id %}">{% trans "Allocated Parts" %}</a>
+        <a href="{% url 'build-allocate' build.id %}">{% trans "Allocate Parts" %}</a>
     </li>
     <li{% if tab == 'output' %} class='active'{% endif %}>
         <a href="{% url 'build-output' build.id %}">{% trans "Build Outputs" %}{% if build.output_count > 0%}<span class='badge'>{{ build.output_count }}</span>{% endif %}</a>
@@ -13,4 +13,7 @@
     <li{% if tab == 'notes' %} class='active'{% endif %}>
         <a href="{% url 'build-notes' build.id %}">{% trans "Notes" %}{% if build.notes %} <span class='fas fa-info-circle'></span>{% endif %}</a>
     </li>
+    <li {% if tab == 'attachments' %} class='active'{% endif %}>
+        <a href='{% url "build-attachments" build.id %}'>{% trans "Attachments" %}</a>
+    </li>
 </ul>

InvenTree/build/templates/build/unallocate.html

@@ -5,6 +5,11 @@
 
 {{ block.super }}
 
+
+<div class='alert alert-block alert-danger'>
     {% trans "Are you sure you wish to unallocate all stock for this build?" %}
+    <br>
+    {% trans "All incomplete stock allocations will be removed from the build" %}
+</div>
 
 {% endblock %}

InvenTree/build/test_build.py

@@ -3,7 +3,6 @@
 from django.test import TestCase
 
 from django.core.exceptions import ValidationError
-from django.db import transaction
 from django.db.utils import IntegrityError
 
 from build.models import Build, BuildItem
@@ -11,8 +10,6 @@ from stock.models import StockItem
 from part.models import Part, BomItem
 from InvenTree import status_codes as status
 
-from InvenTree.helpers import ExtractSerialNumbers
-
 
 class BuildTest(TestCase):
     """
@@ -64,6 +61,21 @@ class BuildTest(TestCase):
             quantity=10
         )
 
+        # Create some build output (StockItem) objects
+        self.output_1 = StockItem.objects.create(
+            part=self.assembly,
+            quantity=5,
+            is_building=True,
+            build=self.build
+        )
+
+        self.output_2 = StockItem.objects.create(
+            part=self.assembly,
+            quantity=5,
+            is_building=True,
+            build=self.build,
+        )
+
         # Create some stock items to assign to the build
         self.stock_1_1 = StockItem.objects.create(part=self.sub_part_1, quantity=1000)
         self.stock_1_2 = StockItem.objects.create(part=self.sub_part_1, quantity=100)
@@ -73,23 +85,28 @@ class BuildTest(TestCase):
     def test_init(self):
         # Perform some basic tests before we start the ball rolling
 
-        self.assertEqual(StockItem.objects.count(), 3)
+        self.assertEqual(StockItem.objects.count(), 5)
+        
+        # Build is PENDING
         self.assertEqual(self.build.status, status.BuildStatus.PENDING)
-        self.assertFalse(self.build.isFullyAllocated())
 
-        self.assertFalse(self.build.isPartFullyAllocated(self.sub_part_1))
-        self.assertFalse(self.build.isPartFullyAllocated(self.sub_part_2))
+        # Build has two build outputs
+        self.assertEqual(self.build.output_count, 2)
 
-        self.assertEqual(self.build.getRequiredQuantity(self.sub_part_1), 100)
-        self.assertEqual(self.build.getRequiredQuantity(self.sub_part_2), 250)
+        # None of the build outputs have been completed
+        for output in self.build.get_build_outputs().all():
+            self.assertFalse(self.build.isFullyAllocated(output))
+
+        self.assertFalse(self.build.isPartFullyAllocated(self.sub_part_1, self.output_1))
+        self.assertFalse(self.build.isPartFullyAllocated(self.sub_part_2, self.output_2))
+
+        self.assertEqual(self.build.unallocatedQuantity(self.sub_part_1, self.output_1), 50)
+        self.assertEqual(self.build.unallocatedQuantity(self.sub_part_1, self.output_2), 50)
+        self.assertEqual(self.build.unallocatedQuantity(self.sub_part_2, self.output_1), 125)
+        self.assertEqual(self.build.unallocatedQuantity(self.sub_part_2, self.output_2), 125)
 
-        self.assertTrue(self.build.can_build)
         self.assertFalse(self.build.is_complete)
 
-        # Delete some stock and see if the build can still be completed
-        self.stock_2_1.delete()
-        self.assertFalse(self.build.can_build)
-
     def test_build_item_clean(self):
         # Ensure that dodgy BuildItem objects cannot be created
 
@@ -99,7 +116,7 @@ class BuildTest(TestCase):
         b = BuildItem(stock_item=stock, build=self.build, quantity=10)
         
         with self.assertRaises(ValidationError):
-            b.clean()
+            b.save()
 
         # Create a BuildItem which has too much stock assigned
         b = BuildItem(stock_item=self.stock_1_1, build=self.build, quantity=9999999)
@@ -113,6 +130,10 @@ class BuildTest(TestCase):
         with self.assertRaises(ValidationError):
             b.clean()
 
+        # Ok, what about we make one that does *not* fail?
+        b = BuildItem(stock_item=self.stock_1_1, build=self.build, install_into=self.output_1, quantity=10)
+        b.save()
+
     def test_duplicate_bom_line(self):
         # Try to add a duplicate BOM item - it should fail!
 
@@ -123,75 +144,120 @@ class BuildTest(TestCase):
                 quantity=99
             )
 
-    def allocate_stock(self, q11, q12, q21):
+    def allocate_stock(self, q11, q12, q21, output):
         # Assign stock to this build
 
+        if q11 > 0:
             BuildItem.objects.create(
                 build=self.build,
                 stock_item=self.stock_1_1,
-            quantity=q11
+                quantity=q11,
+                install_into=output
             )
 
+        if q12 > 0:
             BuildItem.objects.create(
                 build=self.build,
                 stock_item=self.stock_1_2,
-            quantity=q12
+                quantity=q12,
+                install_into=output
             )
 
+        if q21 > 0:
             BuildItem.objects.create(
+                build=self.build,
+                stock_item=self.stock_2_1,
+                quantity=q21,
+                install_into=output,
+            )
+
+            # Attempt to create another identical BuildItem
+            b = BuildItem(
                 build=self.build,
                 stock_item=self.stock_2_1,
                 quantity=q21
             )
 
-        with transaction.atomic():
-            with self.assertRaises(IntegrityError):
-                BuildItem.objects.create(
-                    build=self.build,
-                    stock_item=self.stock_2_1,
-                    quantity=99
-                )
-
-        self.assertEqual(BuildItem.objects.count(), 3)
+            with self.assertRaises(ValidationError):
+                b.clean()
 
     def test_partial_allocation(self):
+        """
+        Partially allocate against output 1
+        """
 
-        self.allocate_stock(50, 50, 200)
+        self.allocate_stock(50, 50, 200, self.output_1)
 
-        self.assertFalse(self.build.isFullyAllocated())
-        self.assertTrue(self.build.isPartFullyAllocated(self.sub_part_1))
-        self.assertFalse(self.build.isPartFullyAllocated(self.sub_part_2))
+        self.assertTrue(self.build.isFullyAllocated(self.output_1))
+        self.assertFalse(self.build.isFullyAllocated(self.output_2))
+        self.assertTrue(self.build.isPartFullyAllocated(self.sub_part_1, self.output_1))
+        self.assertTrue(self.build.isPartFullyAllocated(self.sub_part_2, self.output_1))
         
-        self.build.unallocateStock()
+        self.assertFalse(self.build.isPartFullyAllocated(self.sub_part_1, self.output_2))
+        self.assertFalse(self.build.isPartFullyAllocated(self.sub_part_2, self.output_2))
+
+        # Check that the part has been allocated
+        self.assertEqual(self.build.allocatedQuantity(self.sub_part_1, self.output_1), 100)
+
+        self.build.unallocateStock(output=self.output_1)
         self.assertEqual(BuildItem.objects.count(), 0)
 
-    def test_auto_allocate(self):
+        # Check that the part has been unallocated
+        self.assertEqual(self.build.allocatedQuantity(self.sub_part_1, self.output_1), 0)
 
-        allocations = self.build.getAutoAllocations()
+    def test_auto_allocate(self):
+        """
+        Test auto-allocation functionality against the build outputs
+        """
+
+        allocations = self.build.getAutoAllocations(self.output_1)
 
         self.assertEqual(len(allocations), 1)
 
-        self.build.autoAllocate()
+        self.build.autoAllocate(self.output_1)
         self.assertEqual(BuildItem.objects.count(), 1)
-        self.assertTrue(self.build.isPartFullyAllocated(self.sub_part_2))
+
+        # Check that one part has been fully allocated to the build output
+        self.assertTrue(self.build.isPartFullyAllocated(self.sub_part_2, self.output_1))
+
+        # But, the *other* build output has not been allocated against
+        self.assertFalse(self.build.isPartFullyAllocated(self.sub_part_2, self.output_2))
 
     def test_cancel(self):
+        """
+        Test cancellation of the build
+        """
 
-        self.allocate_stock(50, 50, 200)
+        # TODO
+
+        """
+        self.allocate_stock(50, 50, 200, self.output_1)
         self.build.cancelBuild(None)
 
         self.assertEqual(BuildItem.objects.count(), 0)
+        """
+        pass
 
     def test_complete(self):
+        """
+        Test completion of a build output
+        """
 
-        self.allocate_stock(50, 50, 250)
+        self.allocate_stock(50, 50, 250, self.output_1)
+        self.allocate_stock(50, 50, 250, self.output_2)
 
-        self.assertTrue(self.build.isFullyAllocated())
+        self.assertTrue(self.build.isFullyAllocated(self.output_1))
+        self.assertTrue(self.build.isFullyAllocated(self.output_2))
 
-        # Generate some serial numbers!
-        serials = ExtractSerialNumbers("1-10", 10)
+        self.build.completeBuildOutput(self.output_1, None)
 
-        self.build.completeBuild(None, serials, None)
+        self.assertFalse(self.build.can_complete)
+
+        self.build.completeBuildOutput(self.output_2, None)
+
+        self.assertTrue(self.build.can_complete)
+
+        self.build.complete_build(None)
     
         self.assertEqual(self.build.status, status.BuildStatus.COMPLETE)
 
@@ -199,29 +265,24 @@ class BuildTest(TestCase):
         self.assertEqual(BuildItem.objects.count(), 0)
 
         # New stock items should have been created!
-        # - Ten for the build output (as the part was serialized)
-        # - Three for the split items assigned to the build
-        self.assertEqual(StockItem.objects.count(), 16)
+        self.assertEqual(StockItem.objects.count(), 4)
 
         A = StockItem.objects.get(pk=self.stock_1_1.pk)
-        B = StockItem.objects.get(pk=self.stock_1_2.pk)
+
+        # This stock item has been depleted!
+        with self.assertRaises(StockItem.DoesNotExist):
+            StockItem.objects.get(pk=self.stock_1_2.pk)
+        
         C = StockItem.objects.get(pk=self.stock_2_1.pk)
 
         # Stock should have been subtracted from the original items
-        self.assertEqual(A.quantity, 950)
-        self.assertEqual(B.quantity, 50)
-        self.assertEqual(C.quantity, 4750)
-
-        # New stock items should have also been allocated to the build
-        allocated = StockItem.objects.filter(build_order=self.build)
-
-        self.assertEqual(allocated.count(), 3)
-
-        q = sum([item.quantity for item in allocated.all()])
-
-        self.assertEqual(q, 350)
+        self.assertEqual(A.quantity, 900)
+        self.assertEqual(C.quantity, 4500)
         
         # And 10 new stock items created for the build output
         outputs = StockItem.objects.filter(build=self.build)
 
-        self.assertEqual(outputs.count(), 10)
+        self.assertEqual(outputs.count(), 2)
+
+        for output in outputs:
+            self.assertFalse(output.is_building)

InvenTree/build/tests.py

@@ -12,6 +12,7 @@ from rest_framework import status
 import json
 
 from .models import Build
+from stock.models import StockItem
 
 from InvenTree.status_codes import BuildStatus
 
@@ -49,7 +50,7 @@ class BuildTestSimple(TestCase):
 
     def test_build_objects(self):
         # Ensure the Build objects were correctly created
-        self.assertEqual(Build.objects.count(), 2)
+        self.assertEqual(Build.objects.count(), 5)
         b = Build.objects.get(pk=2)
         self.assertEqual(b.batch, 'B2')
         self.assertEqual(b.quantity, 21)
@@ -127,11 +128,37 @@ class TestBuildAPI(APITestCase):
         self.client.login(username='testuser', password='password')
 
     def test_get_build_list(self):
-        """ Test that we can retrieve list of build objects """
+        """
+        Test that we can retrieve list of build objects
+        """
+
         url = reverse('api-build-list')
         response = self.client.get(url, format='json')
         self.assertEqual(response.status_code, status.HTTP_200_OK)
 
+        self.assertEqual(len(response.data), 5)
+
+        # Filter query by build status
+        response = self.client.get(url, {'status': 40}, format='json')
+
+        self.assertEqual(len(response.data), 4)
+
+        # Filter by "active" status
+        response = self.client.get(url, {'active': True}, format='json')
+        self.assertEqual(len(response.data), 1)
+        self.assertEqual(response.data[0]['pk'], 1)
+
+        response = self.client.get(url, {'active': False}, format='json')
+        self.assertEqual(len(response.data), 4)
+
+        # Filter by 'part' status
+        response = self.client.get(url, {'part': 25}, format='json')
+        self.assertEqual(len(response.data), 2)
+
+        # Filter by an invalid part
+        response = self.client.get(url, {'part': 99999}, format='json')
+        self.assertEqual(len(response.data), 0)
+
     def test_get_build_item_list(self):
         """ Test that we can retrieve list of BuildItem objects """
         url = reverse('api-build-item-list')
@@ -176,6 +203,16 @@ class TestBuildViews(TestCase):
 
         self.client.login(username='username', password='password')
 
+        # Create a build output for build # 1
+        self.build = Build.objects.get(pk=1)
+
+        self.output = StockItem.objects.create(
+            part=self.build.part,
+            quantity=self.build.quantity,
+            build=self.build,
+            is_building=True,
+        )
+
     def test_build_index(self):
         """ test build index view """
 
@@ -254,10 +291,15 @@ class TestBuildViews(TestCase):
         # url = reverse('build-item-edit')
         pass
 
-    def test_build_complete(self):
-        """ Test the build completion form """
+    def test_build_output_complete(self):
+        """
+        Test the build output completion form
+        """
 
-        url = reverse('build-complete', args=(1,))
+        # Firstly, check that the build cannot be completed!
+        self.assertFalse(self.build.can_complete)
+
+        url = reverse('build-output-complete', args=(1,))
 
         # Test without confirmation
         response = self.client.post(url, HTTP_X_REQUESTED_WITH='XMLHttpRequest')
@@ -267,12 +309,26 @@ class TestBuildViews(TestCase):
         self.assertFalse(data['form_valid'])
 
         # Test with confirmation, valid location
-        response = self.client.post(url, {'confirm': 1, 'location': 1}, HTTP_X_REQUESTED_WITH='XMLHttpRequest')
+        response = self.client.post(
+            url,
+            {
+                'confirm': 1,
+                'confirm_incomplete': 1,
+                'location': 1,
+                'output': self.output.pk,
+            },
+            HTTP_X_REQUESTED_WITH='XMLHttpRequest'
+        )
+
         self.assertEqual(response.status_code, 200)
 
         data = json.loads(response.content)
         self.assertTrue(data['form_valid'])
 
+        # Now the build should be able to be completed
+        self.build.refresh_from_db()
+        self.assertTrue(self.build.can_complete)
+
         # Test with confirmation, invalid location
         response = self.client.post(url, {'confirm': 1, 'location': 9999}, HTTP_X_REQUESTED_WITH='XMLHttpRequest')
         self.assertEqual(response.status_code, 200)

InvenTree/build/urls.py

@@ -11,12 +11,16 @@ build_detail_urls = [
     url(r'^allocate/', views.BuildAllocate.as_view(), name='build-allocate'),
     url(r'^cancel/', views.BuildCancel.as_view(), name='build-cancel'),
     url(r'^delete/', views.BuildDelete.as_view(), name='build-delete'),
-    url(r'^complete/?', views.BuildComplete.as_view(), name='build-complete'),
+    url(r'^create-output/', views.BuildOutputCreate.as_view(), name='build-output-create'),
+    url(r'^delete-output/', views.BuildOutputDelete.as_view(), name='build-output-delete'),
+    url(r'^complete-output/?', views.BuildOutputComplete.as_view(), name='build-output-complete'),
     url(r'^auto-allocate/?', views.BuildAutoAllocate.as_view(), name='build-auto-allocate'),
     url(r'^unallocate/', views.BuildUnallocate.as_view(), name='build-unallocate'),
+    url(r'^complete/', views.BuildComplete.as_view(), name='build-complete'),
 
     url(r'^notes/', views.BuildNotes.as_view(), name='build-notes'),
 
+    url(r'^attachments/', views.BuildDetail.as_view(template_name='build/attachments.html'), name='build-attachments'),
     url(r'^output/', views.BuildDetail.as_view(template_name='build/build_output.html'), name='build-output'),
 
     url(r'^.*$', views.BuildDetail.as_view(), name='build-detail'),
@@ -31,6 +35,12 @@ build_urls = [
         url('^new/', views.BuildItemCreate.as_view(), name='build-item-create'),
     ])),
 
+    url('^attachment/', include([
+        url('^new/', views.BuildAttachmentCreate.as_view(), name='build-attachment-create'),
+        url(r'^(?P<pk>\d+)/edit/', views.BuildAttachmentEdit.as_view(), name='build-attachment-edit'),
+        url(r'^(?P<pk>\d+)/delete/', views.BuildAttachmentDelete.as_view(), name='build-attachment-delete'),
+    ])),
+
     url(r'new/', views.BuildCreate.as_view(), name='build-create'),
 
     url(r'^(?P<pk>\d+)/', include(build_detail_urls)),

InvenTree/company/api.py

@@ -131,6 +131,13 @@ class SupplierPartList(generics.ListCreateAPIView):
         if part is not None:
             queryset = queryset.filter(part=part)
 
+        # Filter by 'active' status of the part?
+        active = params.get('active', None)
+
+        if active is not None:
+            active = str2bool(active)
+            queryset = queryset.filter(part__active=active)
+
         return queryset
 
     def get_serializer(self, *args, **kwargs):

InvenTree/company/templates/company/assigned_stock.html

@@ -15,7 +15,7 @@
     </div>
 </div>
 
-<table class='table table-striped table-condensed' id='stock-table'></table>
+<table class='table table-striped table-condensed' id='stock-table' data-toolbar='#button-toolbar'></table>
 
 {% endblock %}
 

InvenTree/company/templates/company/detail_part.html

@@ -10,13 +10,19 @@
 <hr>
 
 {% if roles.purchase_order.change %}
-<div id='button-toolbar' class='btn-group'>
+<div id='button-toolbar'>
+    <div class='button-toolbar container-fluid'>
+        <div class='btn-group role='group'>
             {% if roles.purchase_order.add %}
-    <button class="btn btn-success" id='part-create' title='{% trans "Create new supplier part" %}'>{% trans "New Supplier Part" %}</button>
+            <button class="btn btn-success" id='part-create' title='{% trans "Create new supplier part" %}'>
+                <span class='fas fa-plus-circle'></span> {% trans "New Supplier Part" %}
+            </button>
             {% endif %}
+            <div class='btn-group'>
                 <div class="dropdown" style="float: right;">
                     <button class="btn btn-primary dropdown-toggle" type="button" data-toggle="dropdown">{% trans "Options" %}
-        <span class="caret"></span></button>
+                        <span class="caret"></span>
+                    </button>
                     <ul class="dropdown-menu">
                         {% if roles.purchase_order.add %}
                         <li><a href='#' id='multi-part-order' title='{% trans "Order parts" %}'>{% trans "Order Parts" %}</a></li>
@@ -27,6 +33,12 @@
                     </ul>
                 </div>  
             </div>
+        </div>
+        <div class='filter-list' id='filter-list-supplier-part'>
+            <!-- Empty div (will be filled out with available BOM filters) -->
+        </div>
+    </div>
+</div>
 {% endif %}
 
 <table class='table table-striped table-condensed' id='part-table' data-toolbar='#button-toolbar'>

InvenTree/company/templates/company/purchase_orders.html

@@ -12,7 +12,8 @@
 {% if roles.purchase_order.add %}
 <div id='button-bar'>
     <div class='button-toolbar container-fluid' style='float: right;'>
-        <button class='btn btn-primary' type='button' id='company-order2' title='{% trans "Create new purchase order" %}'>{% trans "New Purchase Order" %}</button>
+        <button class='btn btn-primary' type='button' id='company-order2' title='{% trans "Create new purchase order" %}'>
+            <span class='fas fa-plus-circle'></span> {% trans "New Purchase Order" %}</button>
         <div class='filter-list' id='filter-list-purchaseorder'>
             <!-- Empty div -->
         </div>

InvenTree/company/templates/company/sales_orders.html

@@ -12,7 +12,9 @@
 {% if roles.sales_order.add %}
 <div id='button-bar'>
     <div class='button-toolbar container-fluid' style='float: right;'>
-        <button class='btn btn-primary' type='button' id='new-sales-order' title='{% trans "Create new sales order" %}'>{% trans "New Sales Order" %}</button>
+        <button class='btn btn-primary' type='button' id='new-sales-order' title='{% trans "Create new sales order" %}'>
+            <div class='fas fa-plus-circle'></div> {% trans "New Sales Order" %}
+        </button>
         <div class='filter-list' id='filter-list-salesorder'>
             <!-- Empty div -->
         </div>

InvenTree/company/templates/company/supplier_part_orders.html

@@ -13,7 +13,8 @@
 {% if roles.purchase_order.add %}
 <div id='button-bar'>
     <div class='btn-group'>
-        <button class='btn btn-primary' type='button' id='order-part2' title='Order part'>Order Part</button>
+        <button class='btn btn-primary' type='button' id='order-part2' title='Order part'>
+            <span class='fas fa-shopping-cart'></span> {% trans "Order Part" %}</button>
     </div>
 </div>
 {% endif %}

InvenTree/company/templates/company/supplier_part_pricing.html

@@ -13,7 +13,9 @@
 
 {% if roles.purchase_order.add %}
 <div id='price-break-toolbar' class='btn-group'>
-    <button class='btn btn-primary' id='new-price-break' type='button'>{% trans "Add Price Break" %}</button>
+    <button class='btn btn-primary' id='new-price-break' type='button'>
+        <span class='fas fa-plus-circle'></span> {% trans "Add Price Break" %}
+    </button>
 </div>
 {% endif %}
 

InvenTree/config_template.yaml

@@ -29,6 +29,12 @@ timezone: UTC
 # Set debug to False to run in production mode
 debug: True
 
+# Set debug_toolbar to True to enable a debugging toolbar for InvenTree
+# Note: This will only be displayed if DEBUG mode is enabled, 
+#       and only if InvenTree is accessed from a local IP (127.0.0.1)
+debug_toolbar: False
+
+
 # Allowed hosts (see ALLOWED_HOSTS in Django settings documentation)
 # A list of strings representing the host/domain names that this Django site can serve.
 # Default behaviour is to allow all hosts (THIS IS NOT SECURE!)
@@ -63,11 +69,6 @@ static_root: '../inventree_static'
 #  - git
 #  - ssh
 
-# Set debug_toolbar to True to enable a debugging toolbar for InvenTree
-# Note: This will only be displayed if DEBUG mode is enabled, 
-#       and only if InvenTree is accessed from a local IP (127.0.0.1)
-debug_toolbar: False
-
 # Backup options
 # Set the backup_dir parameter to store backup files in a specific location
 # If unspecified, the local user's temp directory will be used

InvenTree/order/forms.py

@@ -21,7 +21,7 @@ from .models import SalesOrderAllocation
 
 class IssuePurchaseOrderForm(HelperForm):
 
-    confirm = forms.BooleanField(required=False, help_text=_('Place order'))
+    confirm = forms.BooleanField(required=True, initial=False, help_text=_('Place order'))
 
     class Meta:
         model = PurchaseOrder
@@ -32,7 +32,7 @@ class IssuePurchaseOrderForm(HelperForm):
 
 class CompletePurchaseOrderForm(HelperForm):
 
-    confirm = forms.BooleanField(required=False, help_text=_("Mark order as complete"))
+    confirm = forms.BooleanField(required=True, help_text=_("Mark order as complete"))
 
     class Meta:
         model = PurchaseOrder
@@ -43,7 +43,7 @@ class CompletePurchaseOrderForm(HelperForm):
 
 class CancelPurchaseOrderForm(HelperForm):
 
-    confirm = forms.BooleanField(required=False, help_text=_('Cancel order'))
+    confirm = forms.BooleanField(required=True, help_text=_('Cancel order'))
 
     class Meta:
         model = PurchaseOrder
@@ -54,7 +54,7 @@ class CancelPurchaseOrderForm(HelperForm):
 
 class CancelSalesOrderForm(HelperForm):
 
-    confirm = forms.BooleanField(required=False, help_text=_('Cancel order'))
+    confirm = forms.BooleanField(required=True, help_text=_('Cancel order'))
 
     class Meta:
         model = SalesOrder
@@ -65,7 +65,7 @@ class CancelSalesOrderForm(HelperForm):
 
 class ShipSalesOrderForm(HelperForm):
 
-    confirm = forms.BooleanField(required=False, help_text=_('Ship order'))
+    confirm = forms.BooleanField(required=True, help_text=_('Ship order'))
 
     class Meta:
         model = SalesOrder

InvenTree/order/models.py

@@ -209,6 +209,7 @@ class PurchaseOrder(Order):
 
         line.save()
 
+    @transaction.atomic
     def place_order(self):
         """ Marks the PurchaseOrder as PLACED. Order must be currently PENDING. """
 
@@ -217,6 +218,7 @@ class PurchaseOrder(Order):
             self.issue_date = datetime.now().date()
             self.save()
 
+    @transaction.atomic
     def complete_order(self):
         """ Marks the PurchaseOrder as COMPLETE. Order must be currently PLACED. """
 
@@ -225,10 +227,16 @@ class PurchaseOrder(Order):
             self.complete_date = datetime.now().date()
             self.save()
 
+    def can_cancel(self):
+        return self.status not in [
+            PurchaseOrderStatus.PLACED,
+            PurchaseOrderStatus.PENDING
+        ]
+
     def cancel_order(self):
         """ Marks the PurchaseOrder as CANCELLED. """
 
-        if self.status in [PurchaseOrderStatus.PLACED, PurchaseOrderStatus.PENDING]:
+        if self.can_cancel():
             self.status = PurchaseOrderStatus.CANCELLED
             self.save()
 
@@ -377,6 +385,16 @@ class SalesOrder(Order):
 
         return True
 
+    def can_cancel(self):
+        """
+        Return True if this order can be cancelled
+        """
+
+        if not self.status == SalesOrderStatus.PENDING:
+            return False
+
+        return True
+
     @transaction.atomic
     def cancel_order(self):
         """
@@ -386,7 +404,7 @@ class SalesOrder(Order):
         - Delete any StockItems which have been allocated
         """
 
-        if not self.status == SalesOrderStatus.PENDING:
+        if not self.can_cancel():
             return False
 
         self.status = SalesOrderStatus.CANCELLED

InvenTree/order/templates/order/purchase_order_detail.html

@@ -13,7 +13,8 @@
 
 <div id='order-toolbar-buttons' class='btn-group' style='float: right;'>
     {% if order.status == PurchaseOrderStatus.PENDING and roles.purchase_order.change %}
-    <button type='button' class='btn btn-primary' id='new-po-line'>{% trans "Add Line Item" %}</button>
+    <button type='button' class='btn btn-primary' id='new-po-line'>
+        <span class='fas fa-plus-circle'></span> {% trans "Add Line Item" %}</button>
     {% endif %}
 </div>
 

InvenTree/order/templates/order/purchase_orders.html

@@ -15,7 +15,8 @@ InvenTree | {% trans "Purchase Orders" %}
 <div id='table-buttons'>
     <div class='button-toolbar container-fluid' style='float: right;'>
         {% if roles.purchase_order.add %}
-        <button class='btn btn-primary' type='button' id='po-create' title='{% trans "Create new purchase order" %}'>{% trans "New Purchase Order" %}</button>
+        <button class='btn btn-primary' type='button' id='po-create' title='{% trans "Create new purchase order" %}'>
+            <span class='fas fa-plus-circle'></span> {% trans "New Purchase Order" %}</button>
         {% endif %}
         <div class='filter-list' id='filter-list-purchaseorder'>
             <!-- An empty div in which the filter list will be constructed -->

InvenTree/order/templates/order/sales_order_detail.html

@@ -15,7 +15,9 @@
 
 {% if roles.sales_order.change %}
 <div id='order-toolbar-buttons' class='btn-group' style='float: right;'>
-    <button type='button' class='btn btn-default' id='new-so-line'>{% trans "Add Line Item" %}</button>
+    <button type='button' class='btn btn-success' id='new-so-line'>
+        <span class='fas fa-plus-circle'></span> {% trans "Add Line Item" %}
+    </button>
 </div>
 {% endif %}
 

InvenTree/order/templates/order/sales_orders.html

@@ -15,7 +15,8 @@ InvenTree | {% trans "Sales Orders" %}
 <div id='table-buttons'>
     <div class='button-toolbar container-fluid' style='float: right;'>
         {% if roles.sales_order.add %}
-        <button class='btn btn-primary' type='button' id='so-create' title='{% trans "Create new sales order" %}'>{% trans "New Sales Order" %}</button>
+        <button class='btn btn-primary' type='button' id='so-create' title='{% trans "Create new sales order" %}'>
+            <span class='fas fa-plus-circle'></span> {% trans "New Sales Order" %}</button>
         {% endif %}
         <div class='filter-list' id='filter-list-salesorder'>
             <!-- An empty div in which the filter list will be constructed -->

InvenTree/order/test_views.py

@@ -113,6 +113,7 @@ class POTests(OrderViewTestCase):
         self.assertEqual(response.status_code, 200)
         
         data = json.loads(response.content)
+
         self.assertFalse(data['form_valid'])
 
         # Test WITH confirmation
@@ -151,7 +152,6 @@ class POTests(OrderViewTestCase):
         response = self.client.post(url, post_data, HTTP_X_REQUESTED_WITH='XMLHttpRequest')
         data = json.loads(response.content)
         self.assertFalse(data['form_valid'])
-        self.assertIn('Invalid Purchase Order', str(data['html_form']))
 
         # POST with a part that does not match the purchase order
         post_data['order'] = 1
@@ -159,14 +159,12 @@ class POTests(OrderViewTestCase):
         response = self.client.post(url, post_data, HTTP_X_REQUESTED_WITH='XMLHttpRequest')
         data = json.loads(response.content)
         self.assertFalse(data['form_valid'])
-        self.assertIn('must match for Part and Order', str(data['html_form']))
 
         # POST with an invalid part
         post_data['part'] = 12345
         response = self.client.post(url, post_data, HTTP_X_REQUESTED_WITH='XMLHttpRequest')
         data = json.loads(response.content)
         self.assertFalse(data['form_valid'])
-        self.assertIn('Invalid SupplierPart selection', str(data['html_form']))
 
         # POST the form with valid data
         post_data['part'] = 100

InvenTree/order/views.py

@@ -91,7 +91,7 @@ class SalesOrderDetail(InvenTreeRoleMixin, DetailView):
 
 class PurchaseOrderAttachmentCreate(AjaxCreateView):
     """
-    View for creating a new PurchaseOrderAtt
+    View for creating a new PurchaseOrderAttachment
     """
 
     model = PurchaseOrderAttachment
@@ -100,9 +100,11 @@ class PurchaseOrderAttachmentCreate(AjaxCreateView):
     ajax_template_name = "modal_form.html"
     role_required = 'purchase_order.add'
 
-    def post_save(self, **kwargs):
-        self.object.user = self.request.user
-        self.object.save()
+    def save(self, form, **kwargs):
+
+        attachment = form.save(commit=False)
+        attachment.user = self.request.user
+        attachment.save()
 
     def get_data(self):
         return {
@@ -148,9 +150,14 @@ class SalesOrderAttachmentCreate(AjaxCreateView):
     ajax_form_title = _('Add Sales Order Attachment')
     role_required = 'sales_order.add'
 
-    def post_save(self, **kwargs):
-        self.object.user = self.request.user
-        self.object.save()
+    def save(self, form, **kwargs):
+        """
+        Save the user that uploaded the attachment
+        """
+        
+        attachment = form.save(commit=False)
+        attachment.user = self.request.user
+        attachment.save()
 
     def get_data(self):
         return {
@@ -295,7 +302,9 @@ class SalesOrderNotes(InvenTreeRoleMixin, UpdateView):
 
 
 class PurchaseOrderCreate(AjaxCreateView):
-    """ View for creating a new PurchaseOrder object using a modal form """
+    """
+    View for creating a new PurchaseOrder object using a modal form
+    """
 
     model = PurchaseOrder
     ajax_form_title = _("Create Purchase Order")
@@ -319,11 +328,14 @@ class PurchaseOrderCreate(AjaxCreateView):
 
         return initials
 
-    def post_save(self, **kwargs):
-        # Record the user who created this purchase order
+    def save(self, form, **kwargs):
+        """
+        Record the user who created this PurchaseOrder
+        """
 
-        self.object.created_by = self.request.user
-        self.object.save()
+        order = form.save(commit=False)
+        order.created_by = self.request.user
+        order.save()
 
 
 class SalesOrderCreate(AjaxCreateView):
@@ -351,10 +363,14 @@ class SalesOrderCreate(AjaxCreateView):
 
         return initials
 
-    def post_save(self, **kwargs):
-        # Record the user who created this sales order
-        self.object.created_by = self.request.user
-        self.object.save()
+    def save(self, form, **kwargs):
+        """
+        Record the user who created this SalesOrder
+        """
+
+        order = form.save(commit=False)
+        order.created_by = self.request.user
+        order.save()
 
 
 class PurchaseOrderEdit(AjaxUpdateView):
@@ -404,30 +420,23 @@ class PurchaseOrderCancel(AjaxUpdateView):
     form_class = order_forms.CancelPurchaseOrderForm
     role_required = 'purchase_order.change'
 
-    def post(self, request, *args, **kwargs):
-        """ Mark the PO as 'CANCELLED' """
+    def validate(self, order, form, **kwargs):
         
-        order = self.get_object()
-        form = self.get_form()
-
-        confirm = str2bool(request.POST.get('confirm', False))
-
-        valid = False
+        confirm = str2bool(form.cleaned_data.get('confirm', False))
 
         if not confirm:
-            form.errors['confirm'] = [_('Confirm order cancellation')]
-        else:
-            valid = True
+            form.add_error('confirm', _('Confirm order cancellation'))
 
-        data = {
-            'form_valid': valid
-        }
+        if not order.can_cancel():
+            form.add_error(None, _('Order cannot be cancelled'))
+
+    def save(self, order, form, **kwargs):
+        """
+        Cancel the PurchaseOrder
+        """
 
-        if valid:
         order.cancel_order()
 
-        return self.renderJsonResponse(request, form, data)
-
 
 class SalesOrderCancel(AjaxUpdateView):
     """ View for cancelling a sales order """
@@ -438,30 +447,22 @@ class SalesOrderCancel(AjaxUpdateView):
     form_class = order_forms.CancelSalesOrderForm
     role_required = 'sales_order.change'
 
-    def post(self, request, *args, **kwargs):
+    def validate(self, order, form, **kwargs):
 
-        order = self.get_object()
-        form = self.get_form()
-
-        confirm = str2bool(request.POST.get('confirm', False))
-
-        valid = False
+        confirm = str2bool(form.cleaned_data.get('confirm', False))
 
         if not confirm:
-            form.errors['confirm'] = [_('Confirm order cancellation')]
-        else:
-            valid = True
+            form.add_error('confirm', _('Confirm order cancellation'))
 
-        if valid:
-            if not order.cancel_order():
-                form.non_field_errors = [_('Could not cancel order')]
-                valid = False
+        if not order.can_cancel():
+            form.add_error(None, _('Order cannot be cancelled'))
 
-        data = {
-            'form_valid': valid,
-        }
+    def save(self, order, form, **kwargs):
+        """
+        Once the form has been validated, cancel the SalesOrder
+        """
 
-        return self.renderJsonResponse(request, form, data)
+        order.cancel_order()
 
 
 class PurchaseOrderIssue(AjaxUpdateView):
@@ -473,29 +474,23 @@ class PurchaseOrderIssue(AjaxUpdateView):
     form_class = order_forms.IssuePurchaseOrderForm
     role_required = 'purchase_order.change'
 
-    def post(self, request, *args, **kwargs):
-        """ Mark the purchase order as 'PLACED' """
+    def validate(self, order, form, **kwargs):
 
-        order = self.get_object()
-        form = self.get_form()
-
-        confirm = str2bool(request.POST.get('confirm', False))
-
-        valid = False
+        confirm = str2bool(self.request.POST.get('confirm', False))
 
         if not confirm:
-            form.errors['confirm'] = [_('Confirm order placement')]
-        else:
-            valid = True
+            form.add_error('confirm', _('Confirm order placement'))
 
-        data = {
-            'form_valid': valid,
-        }
-
-        if valid:
+    def save(self, order, form, **kwargs):
+        """
+        Once the form has been validated, place the order.
+        """
         order.place_order()
 
-        return self.renderJsonResponse(request, form, data)
+    def get_data(self):
+        return {
+            'success': _('Purchase order issued')
+        }
 
 
 class PurchaseOrderComplete(AjaxUpdateView):
@@ -517,23 +512,25 @@ class PurchaseOrderComplete(AjaxUpdateView):
 
         return ctx
 
-    def post(self, request, *args, **kwargs):
+    def validate(self, order, form, **kwargs):
 
-        confirm = str2bool(request.POST.get('confirm', False))
+        confirm = str2bool(form.cleaned_data.get('confirm', False))
 
-        if confirm:
-            po = self.get_object()
-            po.status = PurchaseOrderStatus.COMPLETE
-            po.save()
+        if not confirm:
+            form.add_error('confirm', _('Confirm order completion'))
 
-        data = {
-            'form_valid': confirm
+    def save(self, order, form, **kwargs):
+        """
+        Complete the PurchaseOrder
+        """
+
+        order.complete_order()
+
+    def get_data(self):
+        return {
+            'success': _('Purchase order completed')
         }
 
-        form = self.get_form()
-
-        return self.renderJsonResponse(request, form, data)
-
 
 class SalesOrderShip(AjaxUpdateView):
     """ View for 'shipping' a SalesOrder """
@@ -558,13 +555,13 @@ class SalesOrderShip(AjaxUpdateView):
         valid = False
 
         if not confirm:
-            form.errors['confirm'] = [_('Confirm order shipment')]
+            form.add_error('confirm', _('Confirm order shipment'))
         else:
             valid = True
 
         if valid:
             if not order.ship_order(request.user):
-                form.non_field_errors = [_('Could not ship order')]
+                form.add_error(None, _('Could not ship order'))
                 valid = False
 
         data = {
@@ -913,9 +910,10 @@ class OrderParts(AjaxView):
             try:
                 build = Build.objects.get(id=build_id)
 
-                parts = build.part.required_parts()
+                parts = build.required_parts
 
                 for part in parts:
+                    
                     # If ordering from a Build page, ignore parts that we have enough of
                     if part.quantity_to_order <= 0:
                         continue
@@ -1117,52 +1115,21 @@ class POLineItemCreate(AjaxCreateView):
     ajax_form_title = _('Add Line Item')
     role_required = 'purchase_order.add'
 
-    def post(self, request, *arg, **kwargs):
+    def validate(self, item, form, **kwargs):
 
-        self.request = request
+        order = form.cleaned_data.get('order', None)
 
-        form = self.get_form()
+        part = form.cleaned_data.get('part', None)
 
-        valid = form.is_valid()
+        if not part:
+            form.add_error('part', _('Supplier part must be specified'))
 
-        # Extract the SupplierPart ID from the form
-        part_id = form['part'].value()
-
-        # Extract the Order ID from the form
-        order_id = form['order'].value()
-
-        try:
-            order = PurchaseOrder.objects.get(id=order_id)
-        except (ValueError, PurchaseOrder.DoesNotExist):
-            order = None
-            form.errors['order'] = [_('Invalid Purchase Order')]
-            valid = False
-
-        try:
-            sp = SupplierPart.objects.get(id=part_id)
-
-            if order is not None:
-                if not sp.supplier == order.supplier:
-                    form.errors['part'] = [_('Supplier must match for Part and Order')]
-                    valid = False
-
-        except (SupplierPart.DoesNotExist, ValueError):
-            valid = False
-            form.errors['part'] = [_('Invalid SupplierPart selection')]
-
-        data = {
-            'form_valid': valid,
-        }
-
-        if valid:
-            self.object = form.save()
-
-            data['pk'] = self.object.pk
-            data['text'] = str(self.object)
-        else:
-            self.object = None
-        
-        return self.renderJsonResponse(request, form, data,)
+        if part and order:
+            if not part.supplier == order.supplier:
+                form.add_error(
+                    'part',
+                    _('Supplier must match for Part and Order')
+                )
 
     def get_form(self):
         """ Limit choice options based on the selected order, etc

InvenTree/part/admin.py

@@ -9,7 +9,7 @@ from import_export.fields import Field
 import import_export.widgets as widgets
 
 from .models import PartCategory, Part
-from .models import PartAttachment, PartStar
+from .models import PartAttachment, PartStar, PartRelated
 from .models import BomItem
 from .models import PartParameterTemplate, PartParameter
 from .models import PartTestTemplate
@@ -121,6 +121,11 @@ class PartCategoryAdmin(ImportExportModelAdmin):
     search_fields = ('name', 'description')
 
 
+class PartRelatedAdmin(admin.ModelAdmin):
+    ''' Class to manage PartRelated objects '''
+    pass
+
+
 class PartAttachmentAdmin(admin.ModelAdmin):
 
     list_display = ('part', 'attachment', 'comment')
@@ -279,6 +284,7 @@ class PartSellPriceBreakAdmin(admin.ModelAdmin):
 
 admin.site.register(Part, PartAdmin)
 admin.site.register(PartCategory, PartCategoryAdmin)
+admin.site.register(PartRelated, PartRelatedAdmin)
 admin.site.register(PartAttachment, PartAttachmentAdmin)
 admin.site.register(PartStar, PartStarAdmin)
 admin.site.register(BomItem, BomItemAdmin)

InvenTree/part/api.py

@@ -461,8 +461,8 @@ class PartList(generics.ListCreateAPIView):
             else:
                 queryset = queryset.exclude(pk__in=starred_parts)
 
-        # Cascade?
-        cascade = str2bool(params.get('cascade', None))
+        # Cascade? (Default = True)
+        cascade = str2bool(params.get('cascade', True))
 
         # Does the user wish to filter by category?
         cat_id = params.get('category', None)
@@ -761,12 +761,44 @@ class BomList(generics.ListCreateAPIView):
         if sub_part is not None:
             queryset = queryset.filter(sub_part=sub_part)
 
-        # Filter by "trackable" status of the sub-part
-        trackable = params.get('trackable', None)
+        # Filter by "active" status of the part
+        part_active = params.get('part_active', None)
 
-        if trackable is not None:
-            trackable = str2bool(trackable)
-            queryset = queryset.filter(sub_part__trackable=trackable)
+        if part_active is not None:
+            part_active = str2bool(part_active)
+            queryset = queryset.filter(part__active=part_active)
+
+        # Filter by "trackable" status of the part
+        part_trackable = params.get('part_trackable', None)
+
+        if part_trackable is not None:
+            part_trackable = str2bool(part_trackable)
+            queryset = queryset.filter(part__trackable=part_trackable)
+
+        # Filter by "trackable" status of the sub-part
+        sub_part_trackable = params.get('sub_part_trackable', None)
+
+        if sub_part_trackable is not None:
+            sub_part_trackable = str2bool(sub_part_trackable)
+            queryset = queryset.filter(sub_part__trackable=sub_part_trackable)
+
+        # Filter by whether the BOM line has been validated
+        validated = params.get('validated', None)
+
+        if validated is not None:
+            validated = str2bool(validated)
+
+            # Work out which lines have actually been validated
+            pks = []
+            
+            for bom_item in queryset.all():
+                if bom_item.is_line_valid:
+                    pks.append(bom_item.pk)
+
+            if validated:
+                queryset = queryset.filter(pk__in=pks)
+            else:
+                queryset = queryset.exclude(pk__in=pks)
 
         return queryset
 

InvenTree/part/apps.py

@@ -16,8 +16,15 @@ class PartConfig(AppConfig):
         """
 
         self.generate_part_thumbnails()
+        self.update_trackable_status()
 
     def generate_part_thumbnails(self):
+        """
+        Generate thumbnail images for any Part that does not have one.
+        This function exists mainly for legacy support,
+        as any *new* image uploaded will have a thumbnail generated automatically.
+        """
+
         from .models import Part
 
         print("InvenTree: Checking Part image thumbnails")
@@ -37,4 +44,27 @@ class PartConfig(AppConfig):
                             part.image = None
                             part.save()
         except (OperationalError, ProgrammingError):
+            # Exception if the database has not been migrated yet
+            pass
+
+    def update_trackable_status(self):
+        """
+        Check for any instances where a trackable part is used in the BOM
+        for a non-trackable part.
+
+        In such a case, force the top-level part to be trackable too.
+        """
+
+        from .models import BomItem
+
+        try:
+            items = BomItem.objects.filter(part__trackable=False, sub_part__trackable=True)
+
+            for item in items:
+                print(f"Marking part '{item.part.name}' as trackable")
+                item.part.trackable = True
+                item.part.clean()
+                item.part.save()
+        except (OperationalError, ProgrammingError):
+            # Exception if the database has not been migrated yet
             pass

InvenTree/part/fixtures/part.yaml

@@ -67,6 +67,7 @@
     name: 'Widget'
     description: 'A watchamacallit'
     category: 7
+    assembly: true
     trackable: true
     tree_id: 0
     level: 0

InvenTree/part/forms.py

@@ -13,16 +13,21 @@ from mptt.fields import TreeNodeChoiceField
 from django import forms
 from django.utils.translation import ugettext as _
 
-from .models import Part, PartCategory, PartAttachment
+from .models import Part, PartCategory, PartAttachment, PartRelated
 from .models import BomItem
 from .models import PartParameterTemplate, PartParameter
 from .models import PartTestTemplate
 from .models import PartSellPriceBreak
 
-
 from common.models import Currency
 
 
+class PartModelChoiceField(forms.ModelChoiceField):
+    """ Extending string representation of Part instance with available stock """
+    def label_from_instance(self, part):
+        return f'{part} - {part.available_stock}'
+
+
 class PartImageForm(HelperForm):
     """ Form for uploading a Part image """
 
@@ -77,6 +82,38 @@ class BomExportForm(forms.Form):
         self.fields['file_format'].choices = self.get_choices()
 
 
+class BomDuplicateForm(HelperForm):
+    """
+    Simple confirmation form for BOM duplication.
+
+    Select which parent to select from.
+    """
+
+    parent = PartModelChoiceField(
+        label=_('Parent Part'),
+        help_text=_('Select parent part to copy BOM from'),
+        queryset=Part.objects.filter(is_template=True),
+    )
+
+    clear = forms.BooleanField(
+        required=False, initial=True,
+        help_text=_('Clear existing BOM items')
+    )
+
+    confirm = forms.BooleanField(
+        required=False, initial=False,
+        help_text=_('Confirm BOM duplication')
+    )
+
+    class Meta:
+        model = Part
+        fields = [
+            'parent',
+            'clear',
+            'confirm',
+        ]
+
+
 class BomValidateForm(HelperForm):
     """ Simple confirmation form for BOM validation.
     User is presented with a single checkbox input,
@@ -104,6 +141,25 @@ class BomUploadSelectFile(HelperForm):
         ]
 
 
+class CreatePartRelatedForm(HelperForm):
+    """ Form for creating a PartRelated object """
+
+    class Meta:
+        model = PartRelated
+        fields = [
+            'part_1',
+            'part_2',
+        ]
+        labels = {
+            'part_2': _('Related Part'),
+        }
+
+    def save(self):
+        """ Disable model saving """
+
+        return super(CreatePartRelatedForm, self).save(commit=False)
+
+
 class EditPartAttachmentForm(HelperForm):
     """ Form for editing a PartAttachment object """
 
@@ -210,12 +266,6 @@ class EditCategoryForm(HelperForm):
         ]
 
 
-class PartModelChoiceField(forms.ModelChoiceField):
-    """ Extending string representation of Part instance with available stock """
-    def label_from_instance(self, part):
-        return f'{part} - {part.available_stock}'
-
-
 class EditBomItemForm(HelperForm):
     """ Form for editing a BomItem object """
 

InvenTree/part/migrations/0052_auto_20201027_1557.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.0.7 on 2020-10-27 04:57
+
+import InvenTree.fields
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('part', '0051_bomitem_optional'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='part',
+            name='link',
+            field=InvenTree.fields.InvenTreeURLField(blank=True, help_text='Link to external URL', null=True),
+        ),
+    ]

InvenTree/part/migrations/0052_partrelated.py

@@ -0,0 +1,22 @@
+# Generated by Django 3.0.7 on 2020-10-16 20:42
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('part', '0051_bomitem_optional'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='PartRelated',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('part_1', models.ForeignKey(on_delete=django.db.models.deletion.DO_NOTHING, related_name='related_parts_1', to='part.Part')),
+                ('part_2', models.ForeignKey(help_text='Select Related Part', on_delete=django.db.models.deletion.DO_NOTHING, related_name='related_parts_2', to='part.Part')),
+            ],
+        ),
+    ]

InvenTree/part/migrations/0053_merge_20201103_1028.py

@@ -0,0 +1,14 @@
+# Generated by Django 3.0.7 on 2020-11-03 10:28
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('part', '0052_auto_20201027_1557'),
+        ('part', '0052_partrelated'),
+    ]
+
+    operations = [
+    ]

InvenTree/part/models.py

@@ -245,7 +245,7 @@ def match_part_names(match, threshold=80, reverse=True, compare_length=False):
         if ratio >= threshold:
             matches.append({
                 'part': part,
-                'ratio': ratio
+                'ratio': round(ratio, 1)
             })
 
     matches = sorted(matches, key=lambda item: item['ratio'], reverse=reverse)
@@ -360,7 +360,7 @@ class Part(MPTTModel):
             # And recursively check too
             item.sub_part.checkAddToBOM(parent)
 
-    def checkIfSerialNumberExists(self, sn):
+    def checkIfSerialNumberExists(self, sn, exclude_self=False):
         """
         Check if a serial number exists for this Part.
 
@@ -369,10 +369,27 @@ class Part(MPTTModel):
         """
 
         parts = Part.objects.filter(tree_id=self.tree_id)
+
         stock = StockModels.StockItem.objects.filter(part__in=parts, serial=sn)
 
+        if exclude_self:
+            stock = stock.exclude(pk=self.pk)
+
         return stock.exists()
 
+    def find_conflicting_serial_numbers(self, serials):
+        """
+        For a provided list of serials, return a list of those which are conflicting.
+        """
+
+        conflicts = []
+
+        for serial in serials:
+            if self.checkIfSerialNumberExists(serial, exclude_self=True):
+                conflicts.append(serial)
+
+        return conflicts
+
     def getLatestSerialNumber(self):
         """
         Return the "latest" serial number for this Part.
@@ -529,10 +546,24 @@ class Part(MPTTModel):
             pass
 
     def clean(self):
-        """ Perform cleaning operations for the Part model """
+        """
+        Perform cleaning operations for the Part model
+        
+        Update trackable status:
+            If this part is trackable, and it is used in the BOM
+            for a parent part which is *not* trackable,
+            then we will force the parent part to be trackable.
+        """
 
         super().clean()
 
+        if self.trackable:
+            for parent_part in self.used_in.all():
+                if not parent_part.trackable:
+                    parent_part.trackable = True
+                    parent_part.clean()
+                    parent_part.save()
+
     name = models.CharField(max_length=100, blank=False,
                             help_text=_('Part name'),
                             validators=[validators.validate_part_name]
@@ -562,7 +593,7 @@ class Part(MPTTModel):
 
     revision = models.CharField(max_length=100, blank=True, null=True, help_text=_('Part revision or version number'))
 
-    link = InvenTreeURLField(blank=True, null=True, help_text=_('Link to extenal URL'))
+    link = InvenTreeURLField(blank=True, null=True, help_text=_('Link to external URL'))
 
     image = StdImageField(
         upload_to=rename_part_image,
@@ -874,6 +905,19 @@ class Part(MPTTModel):
     def has_bom(self):
         return self.bom_count > 0
 
+    @property
+    def has_trackable_parts(self):
+        """
+        Return True if any parts linked in the Bill of Materials are trackable.
+        This is important when building the part.
+        """
+
+        for bom_item in self.bom_items.all():
+            if bom_item.sub_part.trackable:
+                return True
+
+        return False
+
     @property
     def bom_count(self):
         """ Return the number of items contained in the BOM for this part """
@@ -931,15 +975,31 @@ class Part(MPTTModel):
 
         self.bom_items.all().delete()
 
-    def required_parts(self):
-        """ Return a list of parts required to make this part (list of BOM items) """
-        parts = []
-        for bom in self.bom_items.all().select_related('sub_part'):
-            parts.append(bom.sub_part)
+    def getRequiredParts(self, recursive=False, parts=set()):
+        """
+        Return a list of parts required to make this part (i.e. BOM items).
+
+        Args:
+            recursive: If True iterate down through sub-assemblies
+            parts: Set of parts already found (to prevent recursion issues)
+        """
+
+        for bom_item in self.bom_items.all().select_related('sub_part'):
+
+            sub_part = bom_item.sub_part
+
+            if sub_part not in parts:
+
+                parts.add(sub_part)
+
+                if recursive:
+                    sub_part.getRequiredParts(recursive=True, parts=parts)
+
         return parts
 
     def get_allowed_bom_items(self):
-        """ Return a list of parts which can be added to a BOM for this part.
+        """
+        Return a list of parts which can be added to a BOM for this part.
 
         - Exclude parts which are not 'component' parts
         - Exclude parts which this part is in the BOM for
@@ -1087,7 +1147,61 @@ class Part(MPTTModel):
                 max(buy_price_range[1], bom_price_range[1])
             )
 
-    def deepCopy(self, other, **kwargs):
+    @transaction.atomic
+    def copy_bom_from(self, other, clear=True, **kwargs):
+        """
+        Copy the BOM from another part.
+
+        args:
+            other - The part to copy the BOM from
+            clear - Remove existing BOM items first (default=True)
+        """
+
+        if clear:
+            # Remove existing BOM items
+            self.bom_items.all().delete()
+
+        for bom_item in other.bom_items.all():
+            # If this part already has a BomItem pointing to the same sub-part,
+            # delete that BomItem from this part first!
+
+            try:
+                existing = BomItem.objects.get(part=self, sub_part=bom_item.sub_part)
+                existing.delete()
+            except (BomItem.DoesNotExist):
+                pass
+
+            bom_item.part = self
+            bom_item.pk = None
+
+            bom_item.save()
+
+    @transaction.atomic
+    def copy_parameters_from(self, other, **kwargs):
+        
+        clear = kwargs.get('clear', True)
+
+        if clear:
+            self.get_parameters().delete()
+
+        for parameter in other.get_parameters():
+
+            # If this part already has a parameter pointing to the same template,
+            # delete that parameter from this part first!
+
+            try:
+                existing = PartParameter.objects.get(part=self, template=parameter.template)
+                existing.delete()
+            except (PartParameter.DoesNotExist):
+                pass
+
+            parameter.part = self
+            parameter.pk = None
+
+            parameter.save()
+
+    @transaction.atomic
+    def deep_copy(self, other, **kwargs):
         """ Duplicates non-field data from another part.
         Does not alter the normal fields of this part,
         but can be used to copy other data linked by ForeignKey refernce.
@@ -1106,23 +1220,11 @@ class Part(MPTTModel):
 
         # Copy the BOM data
         if kwargs.get('bom', False):
-            for item in other.bom_items.all():
-                # Point the item to THIS part.
-                # Set the pk to None so a new entry is created.
-                item.part = self
-                item.pk = None
-                item.save()
+            self.copy_bom_from(other)
 
         # Copy the parameters data
         if kwargs.get('parameters', True):
-            # Get template part parameters
-            parameters = other.get_parameters()
-            # Copy template part parameters to new variant part
-            for parameter in parameters:
-                PartParameter.create(part=self,
-                                     template=parameter.template,
-                                     data=parameter.data,
-                                     save=True)
+            self.copy_parameters_from(other)
         
         # Copy the fields that aren't available in the duplicate form
         self.salable = other.salable
@@ -1254,6 +1356,32 @@ class Part(MPTTModel):
 
         return self.get_descendants(include_self=False)
 
+    def get_related_parts(self):
+        """ Return list of tuples for all related parts:
+            - first value is PartRelated object
+            - second value is matching Part object
+        """
+
+        related_parts = []
+
+        related_parts_1 = self.related_parts_1.filter(part_1__id=self.pk)
+
+        related_parts_2 = self.related_parts_2.filter(part_2__id=self.pk)
+
+        for related_part in related_parts_1:
+            # Add to related parts list
+            related_parts.append((related_part, related_part.part_2))
+
+        for related_part in related_parts_2:
+            # Add to related parts list
+            related_parts.append((related_part, related_part.part_1))
+
+        return related_parts
+
+    @property
+    def related_count(self):
+        return len(self.get_related_parts())
+
 
 def attach_file(instance, filename):
     """ Function for storing a file for a PartAttachment
@@ -1596,12 +1724,15 @@ class BomItem(models.Model):
         return self.get_item_hash() == self.checksum
 
     def clean(self):
-        """ Check validity of the BomItem model.
+        """
+        Check validity of the BomItem model.
 
         Performs model checks beyond simple field validation.
 
         - A part cannot refer to itself in its BOM
         - A part cannot refer to a part which refers to it
+
+        - If the "sub_part" is trackable, then the "part" must be trackable too!
         """
 
         # If the sub_part is 'trackable' then the 'quantity' field must be an integer
@@ -1611,6 +1742,13 @@ class BomItem(models.Model):
                     raise ValidationError({
                         "quantity": _("Quantity must be integer value for trackable parts")
                     })
+
+                # Force the upstream part to be trackable if the sub_part is trackable
+                if not self.part.trackable:
+                    self.part.trackable = True
+                    self.part.clean()
+                    self.part.save()
+
         except Part.DoesNotExist:
             pass
 
@@ -1723,3 +1861,71 @@ class BomItem(models.Model):
         pmax = decimal2string(pmax)
 
         return "{pmin} to {pmax}".format(pmin=pmin, pmax=pmax)
+
+
+class PartRelated(models.Model):
+    """ Store and handle related parts (eg. mating connector, crimps, etc.) """
+
+    part_1 = models.ForeignKey(Part, related_name='related_parts_1',
+                               on_delete=models.DO_NOTHING)
+
+    part_2 = models.ForeignKey(Part, related_name='related_parts_2',
+                               on_delete=models.DO_NOTHING,
+                               help_text=_('Select Related Part'))
+
+    def __str__(self):
+        return f'{self.part_1} <--> {self.part_2}'
+
+    def validate(self, part_1, part_2):
+        ''' Validate that the two parts relationship is unique '''
+
+        validate = True
+
+        parts = Part.objects.all()
+        related_parts = PartRelated.objects.all()
+
+        # Check if part exist and there are not the same part
+        if (part_1 in parts and part_2 in parts) and (part_1.pk != part_2.pk):
+            # Check if relation exists already
+            for relation in related_parts:
+                if (part_1 == relation.part_1 and part_2 == relation.part_2) \
+                   or (part_1 == relation.part_2 and part_2 == relation.part_1):
+                    validate = False
+                    break
+        else:
+            validate = False
+
+        return validate
+
+    def clean(self):
+        ''' Overwrite clean method to check that relation is unique '''
+
+        validate = self.validate(self.part_1, self.part_2)
+
+        if not validate:
+            error_message = _('Error creating relationship: check that '
+                              'the part is not related to itself '
+                              'and that the relationship is unique')
+
+            raise ValidationError(error_message)
+
+    def create_relationship(self, part_1, part_2):
+        ''' Create relationship between two parts '''
+
+        validate = self.validate(part_1, part_2)
+
+        if validate:
+            # Add relationship
+            self.part_1 = part_1
+            self.part_2 = part_2
+            self.save()
+
+        return validate
+
+    @classmethod
+    def create(cls, part_1, part_2):
+        ''' Create PartRelated object and relationship between two parts '''
+
+        related_part = cls()
+        related_part.create_relationship(part_1, part_2)
+        return related_part

InvenTree/part/templates/part/allocation.html

@@ -17,15 +17,15 @@
 </tr>
 {% for allocation in part.build_order_allocations %}
 <tr>
-    <td><a href="{% url 'build-detail' allocation.build.id %}">{% trans "Build Order" %}: {{ allocation.build.pk }}</a></td>
-    <td><a href="{% url 'stock-item-detail' allocation.stock_item.id %}">{% trans "Stock Item" %}: {{ allocation.stock_item.id }}</a></td>
+    <td><a href="{% url 'build-detail' allocation.build.id %}">{% trans "Build Order" %}: {{ allocation.build }}</a></td>
+    <td><a href="{% url 'stock-item-detail' allocation.stock_item.id %}">{% trans "Stock Item" %}: {{ allocation.stock_item }}</a></td>
     <td>{% decimal allocation.quantity %}</td>
 </tr>
 {% endfor %}
 {% for allocation in part.sales_order_allocations %}
 <tr>
-    <td><a href="{% url 'so-detail' allocation.line.order.id %}">{% trans "Sales Order" %}: {{ allocation.line.order.pk }}</a></td>
-    <td><a href="{% url 'stock-item-detail' allocation.item.id %}">{% trans "Stock Item" %}: {{ allocation.item.id }}</a></td>
+    <td><a href="{% url 'so-detail' allocation.line.order.id %}">{% trans "Sales Order" %}: {{ allocation.line.order }}</a></td>
+    <td><a href="{% url 'stock-item-detail' allocation.item.id %}">{% trans "Stock Item" %}: {{ allocation.item }}</a></td>
     <td>{% decimal allocation.quantity %}</td>
 </tr>
 {% endfor %}

InvenTree/part/templates/part/bom.html

@@ -10,13 +10,9 @@
 
 {% include 'part/tabs.html' with tab='bom' %}
 
-<h3>{% trans "Bill of Materials" %}</h3>
+<h4>{% trans "Bill of Materials" %}</h4>
+<hr>
 
-{% if part.has_complete_bom_pricing == False %}
-<div class='alert alert-block alert-warning'>
-    The BOM for <i>{{ part.full_name }}</i> does not have complete pricing information
-</div>
-{% endif %}
 {% if part.bom_checked_date %}
 {% if part.is_bom_valid %}
 <div class='alert alert-block alert-info'>
@@ -32,22 +28,46 @@
 </div>
 {% endif %}
 
-<div id='button-toolbar' class="btn-group" role="group" aria-label="...">
+<div id='button-toolbar'>
+    <div class="btn-group" role="group" aria-label="...">
         {% if editing_enabled %}
-    <button class='btn btn-default action-button' type='button' title='{% trans "Remove selected BOM items" %}' id='bom-item-delete'><span class='fas fa-trash-alt'></span></button>
-    <button class='btn btn-default action-button' type='button' title='{% trans "Import BOM data" %}' id='bom-upload'><span class='fas fa-file-upload'></span></button>
-    <button class='btn btn-default action-button' type='button' title='{% trans "New BOM Item" %}' id='bom-item-new'><span class='fas fa-plus-circle'></span></button>
-    <button class='btn btn-default action-button' type='button' title='{% trans "Finish Editing" %}' id='editing-finished'><span class='fas fa-check-circle'></span></button>
+        <button class='btn btn-default' type='button' title='{% trans "Remove selected BOM items" %}' id='bom-item-delete'>
+            <span class='fas fa-trash-alt'></span>
+        </button>
+        <button class='btn btn-primary' type='button' title='{% trans "Import BOM data" %}' id='bom-upload'>
+            <span class='fas fa-file-upload'></span> {% trans "Import from File" %}
+        </button>
+        {% if part.variant_of %}
+        <button class='btn btn-default' type='button' title='{% trans "Copy BOM from parent part" %}' id='bom-duplicate'>
+            <span class='fas fa-clone'></span> {% trans "Copy from Parent" %}
+        </button>
+        {% endif %}
+        <button class='btn btn-default' type='button' title='{% trans "New BOM Item" %}' id='bom-item-new'>
+            <span class='fas fa-plus-circle'></span> {% trans "Add Item" %}
+        </button>
+        <button class='btn btn-success' type='button' title='{% trans "Finish Editing" %}' id='editing-finished'>
+            <span class='fas fa-check-circle'></span> {% trans "Finished" %}
+        </button>
         {% elif part.active %}
         {% if roles.part.change %}
-    <button class='btn btn-default action-button' type='button' title='{% trans "Edit BOM" %}' id='edit-bom'><span class='fas fa-edit'></span></button>
+        <button class='btn btn-primary' type='button' title='{% trans "Edit BOM" %}' id='edit-bom'>
+            <span class='fas fa-edit'></span> {% trans "Edit" %}
+        </button>
         {% if part.is_bom_valid == False %}
-    <button class='btn btn-default action-button' id='validate-bom' title='{% trans "Validate Bill of Materials" %}' type='button'><span class='fas fa-clipboard-check'></span></button>
+        <button class='btn btn-success' id='validate-bom' title='{% trans "Validate Bill of Materials" %}' type='button'>
+            <span class='fas fa-clipboard-check'></span> {% trans "Validate" %}
+        </button>
         {% endif %}
         {% endif %}
-    <button title='{% trans "Export Bill of Materials" %}' class='btn btn-default action-button' id='download-bom' type='button'><span class='fas fa-file-download'></span></button>
+        <button title='{% trans "Export Bill of Materials" %}' class='btn btn-default' id='download-bom' type='button'>
+            <span class='fas fa-file-download'></span> {% trans "Export" %}
+        </button>
         {% endif %}
     </div>
+    <div class='filter-list' id='filter-list-bom'>
+        <!-- Empty div (will be filled out with avilable BOM filters) -->
+    </div>
+</div>
 
 <table class='table table-striped table-condensed' data-toolbar="#button-toolbar" id='bom-table'>
 </table>
@@ -138,6 +158,17 @@
         location.href = "{% url 'upload-bom' part.id %}";
     });
 
+    $('#bom-duplicate').click(function() {
+        launchModalForm(
+            "{% url 'duplicate-bom' part.id %}",
+            {
+                success: function() {
+                    $('#bom-table').bootstrapTable('refresh');
+                }
+            }
+        );
+    });
+
     $("#bom-item-new").click(function () {
         launchModalForm(
             "{% url 'bom-item-create' %}?parent={{ part.id }}",

InvenTree/part/templates/part/bom_duplicate.html

@@ -0,0 +1,17 @@
+{% extends "modal_form.html" %}
+{% load i18n %}
+
+{% block pre_form_content %}
+
+<p>
+    {% trans "Select parent part to copy BOM from" %}
+</p>
+
+{% if part.has_bom %}
+<div class='alert alert-block alert-danger'>
+    <b>{% trans "Warning" %}</b><br>
+    {% trans "This part already has a Bill of Materials" %}<br>
+</div>
+{% endif %}
+
+{% endblock %}

InvenTree/part/templates/part/build.html

@@ -5,13 +5,14 @@
 
 {% include 'part/tabs.html' with tab='build' %}
 
-<h3>{% trans "Part Builds" %}</h3>
+<h4>{% trans "Part Builds" %}</h4>
+<hr>
 
 <div id='button-toolbar'>
     <div class='button-toolbar container-flui' style='float: right';>
         {% if part.active %}
         {% if roles.build.add %}
-        <button class="btn btn-success" id='start-build'>{% trans "Start New Build" %}</button>
+        <button class="btn btn-success" id='start-build'><span class='fas fa-tools'></span> {% trans "Start New Build" %}</button>
         {% endif %}
         {% endif %}
         <div class='filter-list' id='filter-list-build'>
@@ -29,12 +30,9 @@
 {% block js_ready %}
 {{ block.super }}
     $("#start-build").click(function() {
-        launchModalForm(
-                        "{% url 'build-create' %}",
-                        {
-                            follow: true,
+        newBuildOrder({
             data: {
-                                part: {{ part.id }}
+                part: {{ part.id }},
             }
         });
     });

InvenTree/part/templates/part/category.html

@@ -107,11 +107,14 @@
 <hr>
 
 <div id='button-toolbar'>
-    <div class='button-toolbar container-fluid' style="float: right;">
     <div class='btn-group'>
-            <button class='btn btn-default' id='part-export' title='{% trans "Export Part Data" %}'>{% trans "Export" %}</button>
+        <button class='btn btn-default' id='part-export' title='{% trans "Export Part Data" %}'>
+            <span class='fas fa-file-download'></span> {% trans "Export" %}
+        </button>
         {% if roles.part.add %}
-            <button class='btn btn-success' id='part-create' title='{% trans "Create new part" %}'>{% trans "New Part" %}</button>
+        <button class='btn btn-success' id='part-create' title='{% trans "Create new part" %}'>
+            <span class='fas fa-plus-circle'></span> {% trans "New Part" %}
+        </button>
         {% endif %}
         <div class='btn-group'>
             <button id='part-options' class='btn btn-primary dropdown-toggle' type='button' data-toggle="dropdown">{% trans "Options" %}<span class='caret'></span></button>
@@ -124,7 +127,6 @@
             </ul>
         </div>
     </div>
-    </div>
     <div class='filter-list' id='filter-list-parts'>
         <!-- Empty div -->
     </div>

InvenTree/part/templates/part/create_part.html

@@ -1,19 +1,23 @@
 {% extends "modal_form.html" %}
+{% load inventree_extras %}
+{% load i18n %}
 
 {% block pre_form_content %}
 
 {{ block.super }}
 
 {% if matches %}
-<b>Possible Matching Parts</b>
-<p>The new part may be a duplicate of these existing parts:</p>
+<div class='alert alert-block alert-warning'>
+    <b>{% trans "Possible Matching Parts" %}</b>
+    <p>{% trans "The new part may be a duplicate of these existing parts" %}:</p>
     <ul class='list-group'>
     {% for match in matches %}
     <li class='list-group-item list-group-item-condensed'>
-    {{ match.part.full_name }} - <i>{{ match.part.description }}</i> ({{ match.ratio }}%)
+        {{ match.part.full_name }} - <i>{{ match.part.description }}</i> ({% decimal match.ratio %}% {% trans "match" %})
     </li>
     {% endfor %}
 </ul>
+</div>
 {% endif %}
 
 {% endblock %}

InvenTree/part/templates/part/detail.html

@@ -15,7 +15,7 @@
     <table class='table table-striped'>
         <col width='25'>
         <tr>
-            <td></td>
+            <td><span class='fas fa-font'></span></td>
             <td><b>{% trans "Part name" %}</b></td>
             <td>{{ part.name }}</td>
         </tr>
@@ -28,7 +28,7 @@
         {% endif %}
         {% if part.revision %}
         <tr>
-            <td></td>
+            <td><span class='fas fa-code-branch'></span></td>
             <td><b>{% trans "Revision" %}</b></td>
             <td>{{ part.revision }}</td>
         </tr>
@@ -41,7 +41,7 @@
                 {% if part.getLatestSerialNumber %}
                 {{ part.getLatestSerialNumber }}
                 {% else %}
-                {% trans "No serial numbers recorded" %}
+                <i>{% trans "No serial numbers recorded" %}</i>
                 {% endif %}
             </td>
         </tr>
@@ -132,7 +132,9 @@
     </div>
     <div class='col-sm-6'>
     <table class='table table-striped'>
+        <col width='25'>
         <tr>
+            <td><span class='fas fa-ghost'%></span></td>
             <td><b>{% trans "Virtual" %}</b></td>
             <td>{% include "slide.html" with state=part.virtual field='virtual' %}</td>
             {% if part.virtual %}
@@ -142,6 +144,7 @@
             {% endif %}
         </tr>
         <tr>
+            <td><span class='fas fa-clone'></span></td>
             <td><b>{% trans "Template" %}</b></td>
             <td>{% include "slide.html" with state=part.is_template field='is_template' %}</td>
             {% if part.is_template %}
@@ -151,6 +154,7 @@
             {% endif %}
         </tr>
         <tr>
+            <td><span class='fas fa-tools'></span></td>
             <td><b>{% trans "Assembly" %}</b></td>
             <td>{% include "slide.html" with state=part.assembly field='assembly' %}</td>   
             {% if part.assembly %}
@@ -160,6 +164,7 @@
             {% endif %}
         </tr>
         <tr>
+            <td><span class='fas fa-th'></span></td>
             <td><b>{% trans "Component" %}</b></td>
             <td>{% include "slide.html" with state=part.component field='component' %}</td>   
             {% if part.component %}
@@ -169,6 +174,7 @@
             {% endif %}
         </tr>
         <tr>
+            <td><span class='fas fa-directions'></span></td>
             <td><b>{% trans "Trackable" %}</b></td>
             <td>{% include "slide.html" with state=part.trackable field='trackable' %}</td>   
             {% if part.trackable %}
@@ -178,6 +184,7 @@
             {% endif %}
         </tr>
         <tr>
+            <td><span class='fas fa-shopping-cart'></span></td>
             <td><b>{% trans "Purchaseable" %}</b></td> 
             <td>{% include "slide.html" with state=part.purchaseable field='purchaseable' %}</td>   
             {% if part.purchaseable %}
@@ -187,6 +194,7 @@
             {% endif %}
         </tr>
         <tr>
+            <td><span class='fas fa-dollar-sign'></span></td>
             <td><b>{% trans "Salable" %}</b></td>
             <td>{% include "slide.html" with state=part.salable field='salable' %}</td>
             {% if part.salable %}
@@ -196,6 +204,13 @@
             {% endif %}
         </tr>
         <tr>
+            <td>
+                {% if part.active %}
+                <span class='fas fa-check-square'></span>
+                {% else %}
+                <span class='fas fa-times-square'></span>
+                {% endif %}
+            </td>
             <td><b>{% trans "Active" %}</b></td>
             <td>{% include "slide.html" with state=part.active field='active' disabled=False %}</td>
             {% if part.active %}

InvenTree/part/templates/part/orders.html

@@ -11,7 +11,9 @@
 
 <div id='button-bar'>
     <div class='button-toolbar container-fluid' style='float: right;'>
-        <button class='btn btn-primary' type='button' id='part-order2' title='{% trans "Order part" %}'>{% trans "Order Part" %}</button>
+        <button class='btn btn-primary' type='button' id='part-order2' title='{% trans "Order part" %}'>
+            <span class='fas fa-shopping-cart'></span> {% trans "Order Part" %}
+        </button>
         <div class='filter-list' id='filter-list-purchaseorder'>
             <!-- An empty div in which the filter list will be constructed -->
         </div>

InvenTree/part/templates/part/params.html

@@ -11,7 +11,9 @@
 <div id='button-toolbar'>
     <div class='button-toolbar container-fluid' style='float: right;'>
         {% if roles.part.add %}
-        <button title='{% trans "Add new parameter" %}' class='btn btn-success' id='param-create'>{% trans "New Parameter" %}</button>
+        <button title='{% trans "Add new parameter" %}' class='btn btn-success' id='param-create'>
+            <span class='fas fa-plus-circle'></span> {% trans "New Parameter" %}
+        </button>
         {% endif %}
     </div>
 </div>

InvenTree/part/templates/part/related.html

@@ -0,0 +1,77 @@
+{% extends "part/part_base.html" %}
+{% load static %}
+{% load i18n %}
+
+{% block details %}
+
+{% include 'part/tabs.html' with tab='related-parts' %}
+
+<h4>{% trans "Related Parts" %}</h4>
+<hr>
+
+<div id='button-bar'>
+    <div class='button-toolbar container-fluid' style='float: left;'>
+        {% if roles.part.change %}
+        <button class='btn btn-primary' type='button' id='add-related-part' title='{% trans "Add Related" %}'>{% trans "Add Related" %}</button>
+        <div class='filter-list' id='filter-list-related'>
+            <!-- An empty div in which the filter list will be constructed -->
+        </div>
+        {% endif %}
+    </div>
+</div>
+
+<table id='table-related-part' class='table table-condensed table-striped' data-toolbar='#button-toolbar'>
+    <thead>
+        <tr>
+            <th data-field='part' data-serachable='true'>{% trans "Part" %}</th>
+        </tr>
+    </thead>
+    <tbody>
+        {% for item in part.get_related_parts %}
+        {% with part_related=item.0 part=item.1 %}
+            <tr>
+                <td>
+                    <a class='hover-icon'>
+                        <img class='hover-img-thumb' src='{{ part.get_thumbnail_url }}'>
+                        <img class='hover-img-large' src='{{ part.get_thumbnail_url }}'>
+                    </a>
+                    <a href='/part/{{ part.id }}/'>{{ part }}</a>
+                    <div class='btn-group' style='float: right;'>
+                        {% if roles.part.change %}
+                        <button title='{% trans "Delete" %}' class='btn btn-default btn-glyph delete-related-part' url="{% url 'part-related-delete' part_related.id %}" type='button'><span class='fas fa-trash-alt icon-red'/></button>
+                        {% endif %}
+                    </div>
+                </td>
+            </tr>
+        {% endwith %}
+        {% endfor %}
+    </tbody>
+</table>
+
+
+{% endblock %}
+
+{% block js_ready %}
+{{ block.super }}
+
+    $('#table-related-part').inventreeTable({
+    });
+
+    $("#add-related-part").click(function() {
+        launchModalForm("{% url 'part-related-create' %}", {
+            data: {
+                part: {{ part.id }},
+            },
+            reload: true,
+        });
+    });
+
+    $('.delete-related-part').click(function() {
+        var button = $(this);
+
+        launchModalForm(button.attr('url'), {
+            reload: true,
+        });
+    });
+
+{% endblock %}

InvenTree/part/templates/part/supplier.html

@@ -10,7 +10,9 @@
 
 <div id='button-toolbar'>
     <div class='btn-group'>
-        <button class="btn btn-success" id='supplier-create'>{% trans "New Supplier Part" %}</button>
+        <button class="btn btn-success" id='supplier-create'>
+            <span class='fas fa-plus-circle'></span> {% trans "New Supplier Part" %}
+        </button>
         <div id='opt-dropdown' class="btn-group">
             <button id='supplier-part-options' class="btn btn-primary dropdown-toggle" type="button" data-toggle="dropdown">{% trans "Options" %}<span class="caret"></span></button>
             <ul class="dropdown-menu">

InvenTree/part/templates/part/tabs.html

@@ -63,6 +63,9 @@
         </a>
     </li>
     {% endif %}
+    <li{% ifequal tab 'related-parts' %} class="active"{% endifequal %}>
+        <a href="{% url 'part-related' part.id %}">{% trans "Related" %} {% if part.related_count > 0 %}<span class="badge">{{ part.related_count }}</span>{% endif %}</a>
+    </li>
     <li{% ifequal tab 'attachments' %} class="active"{% endifequal %}>
         <a href="{% url 'part-attachments' part.id %}">{% trans "Attachments" %} {% if part.attachment_count > 0 %}<span class="badge">{{ part.attachment_count }}</span>{% endif %}</a>
     </li>

InvenTree/part/templates/part/used_in.html

@@ -8,7 +8,13 @@
 
 <hr>
 
-<table class="table table-striped table-condensed" id='used-table'>
+<div id='button-toolbar'>
+    <div class='filter-list' id='filter-list-usedin'>
+        <!-- Empty div (will be filled out with avilable BOM filters) -->
+    </div>
+</div>
+
+<table class="table table-striped table-condensed" id='used-table' data-toolbar='#button-toolbar'>
 </table>
 
 {% endblock %}
@@ -16,52 +22,10 @@
 {% block js_ready %}
 {{ block.super }}
 
-    $("#used-table").inventreeTable({
-        formatNoMatches: function() { return "{{ part.full_name }} is not used to make any other parts"; },
-        queryParams: function(p) {
-            return {
-                sub_part: {{ part.id }},
+    loadUsedInTable('#used-table', {
         part_detail: true,
-            }
-        },
-        columns: [
-            {
-                field: 'pk',
-                title: 'ID',
-                visible: false,
-                switchable: false,
-            },
-            {
-                field: 'part_detail',
-                title: 'Part',
-                sortable: true,
-                formatter: function(value, row, index, field) {
-                    var link = `/part/${value.pk}/bom/`;
-                    var html = imageHoverIcon(row.part_detail.thumbnail) + renderLink(value.full_name, link);
+        part_id: {{ part.pk }}
+    });
 
-                    if (!row.part_detail.active) {
-                        html += "<span class='label label-warning' style='float: right;'>{% trans "INACTIVE" %}</span>";
-                    }
-
-                    return html;
-                }
-            },
-            {
-                field: 'part_detail.description',
-                title: 'Description',
-                sortable: true,
-            },
-            {
-                sortable: true,
-                field: 'quantity',
-                title: 'Uses',
-                formatter: function(value, row, index, field) {
-                    return parseFloat(value);
-                },
-            }
-
-        ],
-        url: "{% url 'api-bom-list' %}"
-    })
 
 {% endblock %}

InvenTree/part/templates/part/variants.html

@@ -16,11 +16,18 @@
 <hr>
 
 <div id='button-toolbar'>
-    <div class='btn-group'>
+    <div class='button-toolbar container-fluid'>
+        <div class='btn-group' role='group'>
             {% if part.is_template and part.active %}
-        <button class='btn btn-success' id='new-variant' title='{% trans "Create new variant" %}'>{% trans "New Variant" %}</button>
+            <button class='btn btn-success' id='new-variant' title='{% trans "Create new variant" %}'>
+                <span class='fas fa-plus-circle'></span> {% trans "New Variant" %}
+            </button>
             {% endif %}
         </div>
+        <div class='filter-list' id='filter-list-variants'>
+            <!-- Empty div (will be filled out with available BOM filters) -->
+        </div>
+    </div>
 </div>
 
 <table class='table table-striped table-condensed' id='variants-table' data-toolbar='#button-toolbar'>

InvenTree/part/templatetags/inventree_extras.py

@@ -13,6 +13,19 @@ from common.models import InvenTreeSetting, ColorTheme
 register = template.Library()
 
 
+@register.simple_tag()
+def define(value, *args, **kwargs):
+    """
+    Shortcut function to overcome the shortcomings of the django templating language
+
+    Use as follows: {% define "hello_world" as hello %}
+
+    Ref: https://stackoverflow.com/questions/1070398/how-to-set-a-value-of-a-variable-inside-a-template-code
+    """
+
+    return value
+
+
 @register.simple_tag()
 def decimal(x, *args, **kwargs):
     """ Simplified rendering of a decimal number """
@@ -106,6 +119,15 @@ def setting_object(key, *args, **kwargs):
     return setting
 
 
+@register.simple_tag()
+def settings_value(key, *args, **kwargs):
+    """
+    Return a settings value specified by the given key
+    """
+
+    return InvenTreeSetting.get_setting(key)
+
+
 @register.simple_tag()
 def get_color_theme_css(username):
     try:

InvenTree/part/test_bom_item.py

@@ -28,10 +28,12 @@ class BomItemTest(TestCase):
         self.assertEqual(self.bob.bom_count, 4)
 
     def test_in_bom(self):
-        parts = self.bob.required_parts()
+        parts = self.bob.getRequiredParts()
 
         self.assertIn(self.orphan, parts)
 
+    # TODO: Tests for multi-level BOMs
+
     def test_used_in(self):
         self.assertEqual(self.bob.used_in_count, 0)
         self.assertEqual(self.orphan.used_in_count, 1)

InvenTree/part/test_part.py

@@ -99,7 +99,7 @@ class PartTest(TestCase):
         self.assertIn(self.R1.name, barcode)
 
     def test_copy(self):
-        self.R2.deepCopy(self.R1, image=True, bom=True)
+        self.R2.deep_copy(self.R1, image=True, bom=True)
 
     def test_match_names(self):
 

InvenTree/part/test_views.py

@@ -201,6 +201,29 @@ class PartTests(PartViewTestCase):
         self.assertEqual(response.status_code, 200)
 
 
+class PartRelatedTests(PartViewTestCase):
+
+    def test_valid_create(self):
+        """ test creation of an attachment for a valid part """
+
+        response = self.client.get(reverse('part-related-create'), {'part': 1}, HTTP_X_REQUESTED_WITH='XMLHttpRequest')
+        self.assertEqual(response.status_code, 200)
+
+        # TODO - Create a new attachment using this view
+
+    def test_invalid_create(self):
+        """ test creation of an attachment for an invalid part """
+
+        # TODO
+        pass
+
+    def test_edit(self):
+        """ test editing an attachment """
+
+        # TODO
+        pass
+
+
 class PartAttachmentTests(PartViewTestCase):
 
     def test_valid_create(self):

InvenTree/part/urls.py

@@ -12,6 +12,11 @@ from django.conf.urls import url, include
 
 from . import views
 
+part_related_urls = [
+    url(r'^new/?', views.PartRelatedCreate.as_view(), name='part-related-create'),
+    url(r'^(?P<pk>\d+)/delete/?', views.PartRelatedDelete.as_view(), name='part-related-delete'),
+]
+
 part_attachment_urls = [
     url(r'^new/?', views.PartAttachmentCreate.as_view(), name='part-attachment-create'),
     url(r'^(?P<pk>\d+)/edit/?', views.PartAttachmentEdit.as_view(), name='part-attachment-edit'),
@@ -46,6 +51,7 @@ part_detail_urls = [
     url(r'^pricing/', views.PartPricing.as_view(), name='part-pricing'),
     
     url(r'^bom-upload/?', views.BomUpload.as_view(), name='upload-bom'),
+    url(r'^bom-duplicate/?', views.BomDuplicate.as_view(), name='duplicate-bom'),
     
     url(r'^params/', views.PartDetail.as_view(template_name='part/params.html'), name='part-params'),
     url(r'^variants/?', views.PartDetail.as_view(template_name='part/variants.html'), name='part-variants'),
@@ -60,6 +66,7 @@ part_detail_urls = [
     url(r'^sale-prices/', views.PartDetail.as_view(template_name='part/sale_prices.html'), name='part-sale-prices'),
     url(r'^tests/', views.PartDetail.as_view(template_name='part/part_tests.html'), name='part-test-templates'),
     url(r'^track/?', views.PartDetail.as_view(template_name='part/track.html'), name='part-track'),
+    url(r'^related-parts/?', views.PartDetail.as_view(template_name='part/related.html'), name='part-related'),
     url(r'^attachments/?', views.PartDetail.as_view(template_name='part/attachments.html'), name='part-attachments'),
     url(r'^notes/?', views.PartNotes.as_view(), name='part-notes'),
     
@@ -112,6 +119,9 @@ part_urls = [
     # Part category
     url(r'^category/(?P<pk>\d+)/', include(part_category_urls)),
 
+    # Part related
+    url(r'^related-parts/', include(part_related_urls)),
+
     # Part attachments
     url(r'^attachment/', include(part_attachment_urls)),
 

InvenTree/part/views.py

@@ -21,7 +21,7 @@ import os
 from rapidfuzz import fuzz
 from decimal import Decimal, InvalidOperation
 
-from .models import PartCategory, Part, PartAttachment
+from .models import PartCategory, Part, PartAttachment, PartRelated
 from .models import PartParameterTemplate, PartParameter
 from .models import BomItem
 from .models import match_part_names
@@ -70,6 +70,85 @@ class PartIndex(InvenTreeRoleMixin, ListView):
         return context
 
 
+class PartRelatedCreate(AjaxCreateView):
+    """ View for creating a new PartRelated object
+
+    - The view only makes sense if a Part object is passed to it
+    """
+    model = PartRelated
+    form_class = part_forms.CreatePartRelatedForm
+    ajax_form_title = _("Add Related Part")
+    ajax_template_name = "modal_form.html"
+    role_required = 'part.change'
+
+    def get_initial(self):
+        """ Set parent part as part_1 field """
+
+        initials = {}
+
+        part_id = self.request.GET.get('part', None)
+
+        if part_id:
+            try:
+                initials['part_1'] = Part.objects.get(pk=part_id)
+            except (Part.DoesNotExist, ValueError):
+                pass
+
+        return initials
+
+    def get_form(self):
+        """ Create a form to upload a new PartRelated
+
+        - Hide the 'part_1' field (parent part)
+        - Display parts which are not yet related
+        """
+
+        form = super(AjaxCreateView, self).get_form()
+
+        form.fields['part_1'].widget = HiddenInput()
+
+        try:
+            # Get parent part
+            parent_part = self.get_initial()['part_1']
+            # Get existing related parts
+            related_parts = [related_part[1].pk for related_part in parent_part.get_related_parts()]
+
+            # Build updated choice list excluding
+            # - parts already related to parent part
+            # - the parent part itself
+            updated_choices = []
+            for choice in form.fields["part_2"].choices:
+                if (choice[0] not in related_parts) and (choice[0] != parent_part.pk):
+                    updated_choices.append(choice)
+
+            # Update choices for related part
+            form.fields['part_2'].choices = updated_choices
+        except KeyError:
+            pass
+
+        return form
+
+    def post_save(self):
+        """ Save PartRelated model (POST method does not) """
+
+        form = self.get_form()
+
+        if form.is_valid():
+            part_1 = form.cleaned_data['part_1']
+            part_2 = form.cleaned_data['part_2']
+
+            PartRelated.create(part_1, part_2)
+
+
+class PartRelatedDelete(AjaxDeleteView):
+    """ View for deleting a PartRelated object """
+
+    model = PartRelated
+    ajax_form_title = _("Delete Related Part")
+    context_object_name = "related"
+    role_required = 'part.change'
+
+
 class PartAttachmentCreate(AjaxCreateView):
     """ View for creating a new PartAttachment object
 
@@ -82,10 +161,14 @@ class PartAttachmentCreate(AjaxCreateView):
 
     role_required = 'part.add'
 
-    def post_save(self):
-        """ Record the user that uploaded the attachment """
-        self.object.user = self.request.user
-        self.object.save()
+    def save(self, form, **kwargs):
+        """
+        Record the user that uploaded this attachment
+        """
+
+        attachment = form.save(commit=False)
+        attachment.user = self.request.user
+        attachment.save()
 
     def get_data(self):
         return {
@@ -360,7 +443,7 @@ class MakePartVariant(AjaxCreateView):
             parameters_copy = str2bool(request.POST.get('parameters_copy', False))
 
             # Copy relevent information from the template part
-            part.deepCopy(part_template, bom=bom_copy, parameters=parameters_copy)
+            part.deep_copy(part_template, bom=bom_copy, parameters=parameters_copy)
 
         return self.renderJsonResponse(request, form, data, context=context)
 
@@ -371,6 +454,8 @@ class MakePartVariant(AjaxCreateView):
         initials = model_to_dict(part_template)
         initials['is_template'] = False
         initials['variant_of'] = part_template
+        initials['bom_copy'] = InvenTreeSetting.get_setting('PART_COPY_BOM')
+        initials['parameters_copy'] = InvenTreeSetting.get_setting('PART_COPY_PARAMETERS')
 
         return initials
 
@@ -436,7 +521,8 @@ class PartDuplicate(AjaxCreateView):
             matches = match_part_names(name)
 
             if len(matches) > 0:
-                context['matches'] = matches
+                # Display the first five closest matches
+                context['matches'] = matches[:5]
             
                 # Enforce display of the checkbox
                 form.fields['confirm_creation'].widget = CheckboxInput()
@@ -445,9 +531,9 @@ class PartDuplicate(AjaxCreateView):
                 confirmed = str2bool(request.POST.get('confirm_creation', False))
 
                 if not confirmed:
-                    form.errors['confirm_creation'] = ['Possible matches exist - confirm creation of new part']
-                    
-                    form.pre_form_warning = 'Possible matches exist - confirm creation of new part'
+                    msg = _('Possible matches exist - confirm creation of new part')
+                    form.add_error('confirm_creation', msg)
+                    form.pre_form_warning = msg
                     valid = False
 
         data = {
@@ -470,7 +556,7 @@ class PartDuplicate(AjaxCreateView):
             original = self.get_part_to_copy()
 
             if original:
-                part.deepCopy(original, bom=bom_copy, parameters=parameters_copy)
+                part.deep_copy(original, bom=bom_copy, parameters=parameters_copy)
 
             try:
                 data['url'] = part.get_absolute_url()
@@ -510,7 +596,7 @@ class PartCreate(AjaxCreateView):
     model = Part
     form_class = part_forms.EditPartForm
 
-    ajax_form_title = _('Create new part')
+    ajax_form_title = _('Create New Part')
     ajax_template_name = 'part/create_part.html'
 
     role_required = 'part.add'
@@ -575,9 +661,10 @@ class PartCreate(AjaxCreateView):
                 confirmed = str2bool(request.POST.get('confirm_creation', False))
 
                 if not confirmed:
-                    form.errors['confirm_creation'] = ['Possible matches exist - confirm creation of new part']
+                    msg = _('Possible matches exist - confirm creation of new part')
+                    form.add_error('confirm_creation', msg)
                     
-                    form.pre_form_warning = 'Possible matches exist - confirm creation of new part'
+                    form.pre_form_warning = msg
                     valid = False
 
         data = {
@@ -830,8 +917,63 @@ class PartEdit(AjaxUpdateView):
         return form
 
 
+class BomDuplicate(AjaxUpdateView):
+    """
+    View for duplicating BOM from a parent item.
+    """
+
+    model = Part
+    context_object_name = 'part'
+    ajax_form_title = _('Duplicate BOM')
+    ajax_template_name = 'part/bom_duplicate.html'
+    form_class = part_forms.BomDuplicateForm
+    role_required = 'part.change'
+    
+    def get_form(self):
+
+        form = super().get_form()
+
+        # Limit choices to parents of the current part
+        parents = self.get_object().get_ancestors()
+
+        form.fields['parent'].queryset = parents
+
+        return form
+
+    def get_initial(self):
+        initials = super().get_initial()
+
+        parents = self.get_object().get_ancestors()
+
+        if parents.count() == 1:
+            initials['parent'] = parents[0]
+
+        return initials
+
+    def validate(self, part, form):
+
+        confirm = str2bool(form.cleaned_data.get('confirm', False))
+
+        if not confirm:
+            form.add_error('confirm', _('Confirm duplication of BOM from parent'))
+
+    def save(self, part, form):
+        """
+        Duplicate BOM from the specified parent
+        """
+
+        parent = form.cleaned_data.get('parent', None)
+
+        clear = str2bool(form.cleaned_data.get('clear', True))
+
+        if parent:
+            part.copy_bom_from(parent, clear=clear)
+
+
 class BomValidate(AjaxUpdateView):
-    """ Modal form view for validating a part BOM """
+    """
+    Modal form view for validating a part BOM
+    """
 
     model = Part
     ajax_form_title = _("Validate BOM")
@@ -852,24 +994,25 @@ class BomValidate(AjaxUpdateView):
 
         return self.renderJsonResponse(request, form, context=self.get_context())
 
-    def post(self, request, *args, **kwargs):
+    def validate(self, part, form, **kwargs):
 
-        form = self.get_form()
-        part = self.get_object()
+        confirm = str2bool(form.cleaned_data.get('validate', False))
 
-        confirmed = str2bool(request.POST.get('validate', False))
+        if not confirm:
+            form.add_error('validate', _('Confirm that the BOM is valid'))
 
-        if confirmed:
-            part.validate_bom(request.user)
-        else:
-            form.errors['validate'] = ['Confirm that the BOM is valid']
+    def save(self, part, form, **kwargs):
+        """
+        Mark the BOM as validated
+        """
 
-        data = {
-            'form_valid': confirmed
+        part.validate_bom(self.request.user)
+
+    def get_data(self):
+        return {
+            'success': _('Validated Bill of Materials')
         }
 
-        return self.renderJsonResponse(request, form, data, context=self.get_context())
-
 
 class BomUpload(InvenTreeRoleMixin, FormView):
     """ View for uploading a BOM file, and handling BOM data importing.
@@ -1001,7 +1144,7 @@ class BomUpload(InvenTreeRoleMixin, FormView):
         bom_file_valid = False
 
         if bom_file is None:
-            self.form.errors['bom_file'] = [_('No BOM file provided')]
+            self.form.add_error('bom_file', _('No BOM file provided'))
         else:
             # Create a BomUploadManager object - will perform initial data validation
             # (and raise a ValidationError if there is something wrong with the file)
@@ -1012,7 +1155,7 @@ class BomUpload(InvenTreeRoleMixin, FormView):
                 errors = e.error_dict
 
                 for k, v in errors.items():
-                    self.form.errors[k] = v
+                    self.form.add_error(k, v)
 
         if bom_file_valid:
             # BOM file is valid? Proceed to the next step!
@@ -2097,7 +2240,7 @@ class BomItemCreate(AjaxCreateView):
     model = BomItem
     form_class = part_forms.EditBomItemForm
     ajax_template_name = 'modal_form.html'
-    ajax_form_title = _('Create BOM item')
+    ajax_form_title = _('Create BOM Item')
 
     role_required = 'part.add'
 
@@ -2127,7 +2270,7 @@ class BomItemCreate(AjaxCreateView):
             query = query.filter(active=True)
             
             # Eliminate any options that are already in the BOM!
-            query = query.exclude(id__in=[item.id for item in part.required_parts()])
+            query = query.exclude(id__in=[item.id for item in part.getRequiredParts()])
             
             form.fields['sub_part'].queryset = query
 
@@ -2195,7 +2338,7 @@ class BomItemEdit(AjaxUpdateView):
             except ValueError:
                 sub_part_id = -1
 
-            existing = [item.pk for item in part.required_parts()]
+            existing = [item.pk for item in part.getRequiredParts()]
 
             if sub_part_id in existing:
                 existing.remove(sub_part_id)

InvenTree/stock/api.py

@@ -493,6 +493,12 @@ class StockList(generics.ListCreateAPIView):
         if build_order:
             queryset = queryset.filter(build_order=build_order)
 
+        is_building = params.get('is_building', None)
+
+        if is_building:
+            is_building = str2bool(is_building)
+            queryset = queryset.filter(is_building=is_building)
+
         sales_order = params.get('sales_order', None)
 
         if sales_order:

InvenTree/stock/fixtures/stock.yaml

@@ -41,6 +41,7 @@
 - model: stock.stockitem
   pk: 100
   fields:
+    batch: "B1234"
     part: 25
     location: 7
     quantity: 10
@@ -54,6 +55,7 @@
   pk: 101
   fields:
     part: 25
+    batch: "B2345"
     location: 7
     quantity: 5
     level: 0
@@ -65,6 +67,7 @@
   pk: 102
   fields:
     part: 25
+    batch: 'ABCDE'
     location: 7
     quantity: 3
     level: 0
@@ -91,6 +94,7 @@
     part: 10001
     location: 7
     quantity: 5
+    batch: "AAA"
     level: 0
     tree_id: 0
     lft: 0
@@ -101,6 +105,7 @@
   fields:
     part: 10001
     location: 7
+    batch: "AAA"
     quantity: 1
     serial: 1
     level: 0

InvenTree/stock/forms.py

@@ -108,7 +108,7 @@ class ConvertStockItemForm(HelperForm):
 class CreateStockItemForm(HelperForm):
     """ Form for creating a new StockItem """
 
-    serial_numbers = forms.CharField(label='Serial numbers', required=False, help_text=_('Enter unique serial numbers (or leave blank)'))
+    serial_numbers = forms.CharField(label=_('Serial numbers'), required=False, help_text=_('Enter unique serial numbers (or leave blank)'))
 
     def __init__(self, *args, **kwargs):
         

InvenTree/stock/models.py

@@ -130,7 +130,7 @@ class StockItem(MPTTModel):
         status: Status of this StockItem (ref: InvenTree.status_codes.StockStatus)
         notes: Extra notes field
         build: Link to a Build (if this stock item was created from a build)
-        is_building: Boolean field indicating if this stock item is currently being built
+        is_building: Boolean field indicating if this stock item is currently being built (or is "in production")
         purchase_order: Link to a PurchaseOrder (if this stock item was created from a PurchaseOrder)
         infinite: If True this StockItem can never be exhausted
         sales_order: Link to a SalesOrder object (if the StockItem has been assigned to a SalesOrder)
@@ -139,6 +139,7 @@ class StockItem(MPTTModel):
 
     # A Query filter which will be re-used in multiple places to determine if a StockItem is actually "in stock"
     IN_STOCK_FILTER = Q(
+        quantity__gt=0,
         sales_order=None,
         build_order=None,
         belongs_to=None,
@@ -174,7 +175,7 @@ class StockItem(MPTTModel):
         if add_note:
             # This StockItem is being saved for the first time
             self.addTransactionNote(
-                'Created stock item',
+                _('Created stock item'),
                 user,
                 notes="Created new stock item for part '{p}'".format(p=str(self.part)),
                 system=True
@@ -199,6 +200,7 @@ class StockItem(MPTTModel):
 
         super(StockItem, self).validate_unique(exclude)
         
+        # If the serial number is set, make sure it is not a duplicate
         if self.serial is not None:
             # Query to look for duplicate serial numbers
             parts = PartModels.Part.objects.filter(tree_id=self.part.tree_id)
@@ -718,6 +720,15 @@ class StockItem(MPTTModel):
 
     @property
     def in_stock(self):
+        """
+        Returns True if this item is in stock
+
+        See also: IN_STOCK_FILTER
+        """
+
+        # Quantity must be above zero (unless infinite)
+        if self.quantity <= 0 and not self.infinite:
+            return False
 
         # Not 'in stock' if it has been installed inside another StockItem
         if self.belongs_to is not None:
@@ -814,14 +825,11 @@ class StockItem(MPTTModel):
             raise ValidationError({"quantity": _("Quantity does not match serial numbers")})
 
         # Test if each of the serial numbers are valid
-        existing = []
-
-        for serial in serials:
-            if self.part.checkIfSerialNumberExists(serial):
-                existing.append(serial)
+        existing = self.part.find_conflicting_serial_numbers(serials)
 
         if len(existing) > 0:
-            raise ValidationError({"serial_numbers": _("Serial numbers already exist: ") + str(existing)})
+            exists = ','.join([str(x) for x in existing])
+            raise ValidationError({"serial_numbers": _("Serial numbers already exist") + ': ' + exists})
 
         # Create a new stock item for each unique serial number
         for serial in serials:
@@ -1052,7 +1060,7 @@ class StockItem(MPTTModel):
 
         if self.updateQuantity(count):
 
-            self.addTransactionNote('Stocktake - counted {n} items'.format(n=count),
+            self.addTransactionNote('Stocktake - counted {n} items'.format(n=helpers.normalize(count)),
                                     user,
                                     notes=notes,
                                     system=True)
@@ -1081,7 +1089,7 @@ class StockItem(MPTTModel):
 
         if self.updateQuantity(self.quantity + quantity):
             
-            self.addTransactionNote('Added {n} items to stock'.format(n=quantity),
+            self.addTransactionNote('Added {n} items to stock'.format(n=helpers.normalize(quantity)),
                                     user,
                                     notes=notes,
                                     system=True)
@@ -1107,7 +1115,7 @@ class StockItem(MPTTModel):
 
         if self.updateQuantity(self.quantity - quantity):
 
-            self.addTransactionNote('Removed {n} items from stock'.format(n=quantity),
+            self.addTransactionNote('Removed {n} items from stock'.format(n=helpers.normalize(quantity)),
                                     user,
                                     notes=notes,
                                     system=True)
@@ -1129,6 +1137,22 @@ class StockItem(MPTTModel):
 
         return s
 
+    @transaction.atomic
+    def clear_test_results(self, **kwargs):
+        """
+        Remove all test results
+
+        kwargs:
+            TODO
+        """
+
+        # All test results
+        results = self.test_results.all()
+
+        # TODO - Perhaps some filtering options supplied by kwargs?
+
+        results.delete()
+
     def getTestResults(self, test=None, result=None, user=None):
         """
         Return all test results associated with this StockItem.

InvenTree/stock/serializers.py

@@ -154,9 +154,11 @@ class StockItemSerializer(InvenTreeModelSerializer):
             'allocated',
             'batch',
             'belongs_to',
-            'customer',
+            'build',
             'build_order',
+            'customer',
             'in_stock',
+            'is_building',
             'link',
             'location',
             'location_detail',

InvenTree/stock/templates/stock/item.html

@@ -14,7 +14,9 @@
 {% if roles.stock.change %}
 <div id='table-toolbar'>  
     <div class='btn-group'>
-        <button class='btn btn-success' type='button' title='New tracking entry' id='new-entry'>New Entry</button>
+        <button class='btn btn-success' type='button' title='New tracking entry' id='new-entry'>
+            <span class='fas fa-plus-circle'></span> {% trans "New Entry" %}
+        </button>
     </div>
 </div>
 {% endif %}

InvenTree/stock/templates/stock/item_base.html

@@ -15,6 +15,20 @@ InvenTree | {% trans "Stock Item" %} - {{ item }}
 {% block pre_content %}
 {% include 'stock/loc_link.html' with location=item.location %}
 
+{% if item.is_building %}
+<div class='alert alert-block alert-info'>
+    {% trans "This stock item is in production and cannot be edited." %}<br>
+    {% trans "Edit the stock item from the build view." %}<br>
+
+    {% if item.build %}
+    <a href="{% url 'build-detail' item.build.id %}">
+        <b>{{ item.build }}</b>
+    </a>
+    {% endif %}
+
+</div>
+{% endif %}
+
 {% if item.hasRequiredTests and not item.passedAllRequiredTests %}
 <div class='alert alert-block alert-danger'>
     {% trans "This stock item has not passed all required tests" %}
@@ -23,13 +37,13 @@ InvenTree | {% trans "Stock Item" %} - {{ item }}
 
 {% for allocation in item.sales_order_allocations.all %}
 <div class='alert alert-block alert-info'>
-    {% trans "This stock item is allocated to Sales Order" %} <a href="{% url 'so-detail' allocation.line.order.id %}"><b>#{{ allocation.line.order.reference }}</b></a> ({% trans "Quantity" %}: {% decimal allocation.quantity %})
+    {% trans "This stock item is allocated to Sales Order" %} <a href="{% url 'so-detail' allocation.line.order.id %}"><b>#{{ allocation.line.order }}</b></a> ({% trans "Quantity" %}: {% decimal allocation.quantity %})
 </div>
 {% endfor %}
 
 {% for allocation in item.allocations.all %}
 <div class='alert alert-block alert-info'>
-    {% trans "This stock item is allocated to Build" %} <a href="{% url 'build-detail' allocation.build.id %}"><b>#{{ allocation.build.id }}</b></a> ({% trans "Quantity" %}: {% decimal allocation.quantity %})
+    {% trans "This stock item is allocated to Build" %} <a href="{% url 'build-detail' allocation.build.id %}"><b>#{{ allocation.build }}</b></a> ({% trans "Quantity" %}: {% decimal allocation.quantity %})
 </div>
 {% endfor %}
 
@@ -79,7 +93,6 @@ InvenTree | {% trans "Stock Item" %} - {{ item }}
 
 <div class='btn-group' role='group'>
 
-
 </div>
 
 <div class='btn-group action-buttons' role='group'>
@@ -99,7 +112,7 @@ InvenTree | {% trans "Stock Item" %} - {{ item }}
         </ul>
     </div>
     <!-- Stock adjustment menu -->
-    {% if roles.stock.change %}
+    {% if roles.stock.change and not item.is_building %}
     <div class='btn-group'>
         <button id='stock-options' title='{% trans "Stock adjustment actions" %}' class='btn btn-default dropdown-toggle' type='button' data-toggle='dropdown'><span class='fas fa-boxes'></span> <span class='caret'></span></button>
         <ul class='dropdown-menu' role='menu'>
@@ -129,7 +142,7 @@ InvenTree | {% trans "Stock Item" %} - {{ item }}
     </div>
     {% endif %}
     <!-- Edit stock item -->
-    {% if roles.stock.change %}
+    {% if roles.stock.change and not item.is_building %}
     <div class='btn-group'>
         <button id='stock-edit-actions' title='{% trans "Stock actions" %}' class='btn btn-default dropdown-toggle' type='button' data-toggle='dropdown'><span class='fas fa-tools'></span> <span class='caret'></span></button>
         <ul class='dropdown-menu' role='menu'>
@@ -221,7 +234,7 @@ InvenTree | {% trans "Stock Item" %} - {{ item }}
         {% if item.location %}
         <td><a href="{% url 'stock-location-detail' item.location.id %}">{{ item.location.name }}</a></td>
         {% else %}
-        <td>{% trans "No location set" %}</td>
+        <td><i>{% trans "No location set" %}</i></td>
         {% endif %}
     </tr>
     {% endif %}
@@ -234,7 +247,7 @@ InvenTree | {% trans "Stock Item" %} - {{ item }}
     {% endif %}
     {% if item.batch %}
     <tr>
-        <td></td>
+        <td><span class='fas fa-layer-group'></span></td>
         <td>{% trans "Batch" %}</td>
         <td>{{ item.batch }}</td>
     </tr>
@@ -248,7 +261,7 @@ InvenTree | {% trans "Stock Item" %} - {{ item }}
     {% endif %}
     {% if item.purchase_order %}
     <tr>
-        <td></td>
+        <td><span class='fas fa-shopping-cart'></span></td>
         <td>{% trans "Purchase Order" %}</td>
         <td><a href="{% url 'po-detail' item.purchase_order.id %}">{{ item.purchase_order }}</a></td>
     </tr>
@@ -290,7 +303,7 @@ InvenTree | {% trans "Stock Item" %} - {{ item }}
         {% if item.stocktake_date %}
         <td>{{ item.stocktake_date }} <span class='badge'>{{ item.stocktake_user }}</span></td>
         {% else %}
-        <td>{% trans "No stocktake performed" %}</td>
+        <td><i>{% trans "No stocktake performed" %}</i></td>
         {% endif %}
     </tr>
     <tr>

InvenTree/stock/templates/stock/item_tests.html

@@ -14,10 +14,16 @@
     <div class='button-toolbar container-fluid' style="float: right;">
         <div class='btn-group' role='group'>
             {% if user.is_staff %}
-            <button type='button' class='btn btn-danger' id='delete-test-results'>{% trans "Delete Test Data" %}</button>
+            <button type='button' class='btn btn-danger' id='delete-test-results'>
+                <span class='fas fa-trash-alt'></span> {% trans "Delete Test Data" %}
+            </button>
             {% endif %}
-            <button type='button' class='btn btn-success' id='add-test-result'>{% trans "Add Test Data" %}</button>
-            <button type='button' class='btn btn-default' id='test-report'>{% trans "Test Report" %} <span class='fas fa-tasks'></span></button>
+            <button type='button' class='btn btn-success' id='add-test-result'>
+                <span class='fas fa-plus-circle'></span> {% trans "Add Test Data" %}
+            </button>
+            <button type='button' class='btn btn-default' id='test-report'>
+                <span class='fas fa-tasks'></span> {% trans "Test Report" %}
+            </button>
         </div>
         <div class='filter-list' id='filter-list-stocktests'>
             <!-- Empty div -->

InvenTree/stock/tests.py

@@ -197,6 +197,10 @@ class StockTest(TestCase):
     def test_partial_move(self):
         w1 = StockItem.objects.get(pk=100)
 
+        # A batch code is required to split partial stock!
+        w1.batch = 'BW1'
+        w1.save()
+
         # Move 6 of the units
         self.assertTrue(w1.move(self.diningroom, 'Moved', None, quantity=6))
 
@@ -339,6 +343,7 @@ class StockTest(TestCase):
         # Item will deplete when deleted
         item = StockItem.objects.get(pk=100)
         item.delete_on_deplete = True
+
         item.save()
 
         n = StockItem.objects.filter(part=25).count()
@@ -407,6 +412,13 @@ class VariantTest(StockTest):
 
         self.assertEqual(chair.getLatestSerialNumber(), '22')
 
+        # Check for conflicting serial numbers
+        to_check = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+
+        conflicts = chair.find_conflicting_serial_numbers(to_check)
+
+        self.assertEqual(len(conflicts), 6)
+
         # Same operations on a sub-item
         variant = Part.objects.get(pk=10003)
         self.assertEqual(variant.getLatestSerialNumber(), '22')
@@ -516,6 +528,7 @@ class TestResultTest(StockTest):
         item.pk = None
         item.serial = None
         item.quantity = 50
+        item.batch = "B344"
 
         item.save()
 

InvenTree/stock/views.py

@@ -21,7 +21,7 @@ from InvenTree.views import InvenTreeRoleMixin
 from InvenTree.forms import ConfirmForm
 
 from InvenTree.helpers import str2bool, DownloadFile, GetExportFormats
-from InvenTree.helpers import ExtractSerialNumbers
+from InvenTree.helpers import extract_serial_numbers
 
 from decimal import Decimal, InvalidOperation
 from datetime import datetime
@@ -164,11 +164,12 @@ class StockItemAttachmentCreate(AjaxCreateView):
     ajax_template_name = "modal_form.html"
     role_required = 'stock.add'
 
-    def post_save(self, **kwargs):
+    def save(self, form, **kwargs):
         """ Record the user that uploaded the attachment """
         
-        self.object.user = self.request.user
-        self.object.save()
+        attachment = form.save(commit=False)
+        attachment.user = self.request.user
+        attachment.save()
 
     def get_data(self):
         return {
@@ -245,32 +246,28 @@ class StockItemAssignToCustomer(AjaxUpdateView):
     form_class = StockForms.AssignStockItemToCustomerForm
     role_required = 'stock.change'
 
-    def post(self, request, *args, **kwargs):
+    def validate(self, item, form, **kwargs):
 
-        customer = request.POST.get('customer', None)
+        customer = form.cleaned_data.get('customer', None)
+
+        if not customer:
+            form.add_error('customer', _('Customer must be specified'))
+
+    def save(self, item, form, **kwargs):
+        """
+        Assign the stock item to the customer.
+        """
+
+        customer = form.cleaned_data.get('customer', None)
 
         if customer:
-            try:
-                customer = Company.objects.get(pk=customer)
-            except (ValueError, Company.DoesNotExist):
-                customer = None
-
-        if customer is not None:
-            stock_item = self.get_object()
-
-            item = stock_item.allocateToCustomer(
+            item = item.allocateToCustomer(
                 customer,
-                user=request.user
+                user=self.request.user
             )
 
             item.clearAllocations()
 
-        data = {
-            'form_valid': True,
-        }
-
-        return self.renderJsonResponse(request, self.get_form(), data)
-
 
 class StockItemReturnToStock(AjaxUpdateView):
     """
@@ -283,30 +280,25 @@ class StockItemReturnToStock(AjaxUpdateView):
     form_class = StockForms.ReturnStockItemForm
     role_required = 'stock.change'
 
-    def post(self, request, *args, **kwargs):
+    def validate(self, item, form, **kwargs):
 
-        location = request.POST.get('location', None)
+        location = form.cleaned_data.get('location', None)
+
+        if not location:
+            form.add_error('location', _('Specify a valid location'))
+
+    def save(self, item, form, **kwargs):
+
+        location = form.cleaned_data.get('location', None)
 
         if location:
-            try:
-                location = StockLocation.objects.get(pk=location)
-            except (ValueError, StockLocation.DoesNotExist):
-                location = None
+            item.returnFromCustomer(location, self.request.user)
 
-        if location:
-            stock_item = self.get_object()
-
-            stock_item.returnFromCustomer(location, request.user)
-        else:
-            raise ValidationError({'location': _("Specify a valid location")})
-
-        data = {
-            'form_valid': True,
-            'success': _("Stock item returned from customer")
+    def get_data(self):
+        return {
+            'success': _('Stock item returned from customer')
         }
 
-        return self.renderJsonResponse(request, self.get_form(), data)
-
 
 class StockItemSelectLabels(AjaxView):
     """
@@ -417,8 +409,8 @@ class StockItemDeleteTestData(AjaxUpdateView):
         confirm = str2bool(request.POST.get('confirm', False))
 
         if confirm is not True:
-            form.errors['confirm'] = [_('Confirm test data deletion')]
-            form.non_field_errors = [_('Check the confirmation box')]
+            form.add_error('confirm', _('Confirm test data deletion'))
+            form.add_error(None, _('Check the confirmation box'))
         else:
             stock_item.test_results.all().delete()
             valid = True
@@ -440,11 +432,14 @@ class StockItemTestResultCreate(AjaxCreateView):
     ajax_form_title = _("Add Test Result")
     role_required = 'stock.add'
 
-    def post_save(self, **kwargs):
-        """ Record the user that uploaded the test result """
+    def save(self, form, **kwargs):
+        """
+        Record the user that uploaded the test result
+        """
 
-        self.object.user = self.request.user
-        self.object.save()
+        result = form.save(commit=False)
+        result.user = self.request.user
+        result.save()
 
     def get_initial(self):
 
@@ -918,7 +913,7 @@ class StockItemUninstall(AjaxView, FormMixin):
 
         if not confirmed:
             valid = False
-            form.errors['confirm'] = [_('Confirm stock adjustment')]
+            form.add_error('confirm', _('Confirm stock adjustment'))
 
         data = {
             'form_valid': valid,
@@ -1116,7 +1111,7 @@ class StockAdjust(AjaxView, FormMixin):
 
         if not confirmed:
             valid = False
-            form.errors['confirm'] = [_('Confirm stock adjustment')]
+            form.add_error('confirm', _('Confirm stock adjustment'))
 
         data = {
             'form_valid': valid,
@@ -1414,9 +1409,9 @@ class StockItemSerialize(AjaxUpdateView):
             destination = None
 
         try:
-            numbers = ExtractSerialNumbers(serials, quantity)
+            numbers = extract_serial_numbers(serials, quantity)
         except ValidationError as e:
-            form.errors['serial_numbers'] = e.messages
+            form.add_error('serial_numbers', e.messages)
             valid = False
             numbers = []
         
@@ -1428,9 +1423,9 @@ class StockItemSerialize(AjaxUpdateView):
                 
                 for k in messages.keys():
                     if k in ['quantity', 'destination', 'serial_numbers']:
-                        form.errors[k] = messages[k]
+                        form.add_error(k, messages[k])
                     else:
-                        form.non_field_errors = [messages[k]]
+                        form.add_error(None, messages[k])
 
                 valid = False
 
@@ -1510,11 +1505,8 @@ class StockItemCreate(AjaxCreateView):
             # form.fields['part'].widget = HiddenInput()
 
             # Trackable parts get special consideration:
-            if part.trackable:
-                form.fields['delete_on_deplete'].widget = HiddenInput()
-                form.fields['delete_on_deplete'].initial = False
-            else:
-                form.fields['serial_numbers'].widget = HiddenInput()
+            form.fields['delete_on_deplete'].disabled = not part.trackable
+            form.fields['serial_numbers'].disabled = not part.trackable
 
             # If the part is NOT purchaseable, hide the supplier_part field
             if not part.purchaseable:
@@ -1539,6 +1531,8 @@ class StockItemCreate(AjaxCreateView):
             # We must not provide *any* options for SupplierPart
             form.fields['supplier_part'].queryset = SupplierPart.objects.none()
 
+            form.fields['serial_numbers'].disabled = True
+
         # Otherwise if the user has selected a SupplierPart, we know what Part they meant!
         if form['supplier_part'].value() is not None:
             pass
@@ -1622,14 +1616,14 @@ class StockItemCreate(AjaxCreateView):
                 part = None
                 quantity = 1
                 valid = False
-                form.errors['quantity'] = [_('Invalid quantity')]
+                form.add_error('quantity', _('Invalid quantity'))
 
             if quantity < 0:
-                form.errors['quantity'] = [_('Quantity cannot be less than zero')]
+                form.add_error('quantity', _('Quantity cannot be less than zero'))
                 valid = False
 
             if part is None:
-                form.errors['part'] = [_('Invalid part selection')]
+                form.add_error('part', _('Invalid part selection'))
             else:
                 # A trackable part must provide serial numbesr
                 if part.trackable:
@@ -1640,17 +1634,16 @@ class StockItemCreate(AjaxCreateView):
                     # If user has specified a range of serial numbers
                     if len(sn) > 0:
                         try:
-                            serials = ExtractSerialNumbers(sn, quantity)
+                            serials = extract_serial_numbers(sn, quantity)
 
-                            existing = []
-
-                            for serial in serials:
-                                if part.checkIfSerialNumberExists(serial):
-                                    existing.append(serial)
+                            existing = part.find_conflicting_serial_numbers(serials)
 
                             if len(existing) > 0:
                                 exists = ",".join([str(x) for x in existing])
-                                form.errors['serial_numbers'] = [_('The following serial numbers already exist: ({sn})'.format(sn=exists))]
+                                form.add_error(
+                                    'serial_numbers',
+                                    _('Serial numbers already exist') + ': ' + exists
+                                )
                                 valid = False
 
                             else:
@@ -1682,7 +1675,7 @@ class StockItemCreate(AjaxCreateView):
                                     valid = True
 
                         except ValidationError as e:
-                            form.errors['serial_numbers'] = e.messages
+                            form.add_error('serial_numbers', e.messages)
                             valid = False
 
                     else:

InvenTree/templates/InvenTree/bom_invalid.html

@@ -4,7 +4,7 @@
 
 {% block collapse_title %}
 <span class='fas fa-times-circle icon-header'></span>
-{% trans "BOM Waiting Validation" %}<span class='badge' id='bom-invalid-count'><span class='fas fa-spin fa-hourglass-half'></span></span>
+{% trans "BOM Waiting Validation" %}<span class='badge' id='bom-invalid-count'><span class='fas fa-spin fa-spinner'></span></span>
 {% endblock %}
 
 {% block collapse_content %}

InvenTree/templates/InvenTree/build_pending.html

@@ -4,7 +4,7 @@
 
 {% block collapse_title %}
 <span class='fas fa-cogs icon-header'></span>
-{% trans "Pending Builds" %}<span class='badge' id='build-pending-count'><span class='fas fa-spin fa-hourglass-half'></span></span>
+{% trans "Pending Builds" %}<span class='badge' id='build-pending-count'><span class='fas fa-spin fa-spinner'></span></span>
 {% endblock %}
 
 {% block collapse_content %}

InvenTree/templates/InvenTree/latest_parts.html

@@ -4,7 +4,7 @@
 
 {% block collapse_title %}
 <span class='fas fa-newspaper icon-header'></span>
-{% trans "Latest Parts" %}<span class='badge' id='latest-parts-count'><span class='fas fa-spin fa-hourglass-half'></span></span>
+{% trans "Latest Parts" %}<span class='badge' id='latest-parts-count'><span class='fas fa-spin fa-spinner'></span></span>
 {% endblock %}
 
 {% block collapse_content %}

InvenTree/templates/InvenTree/low_stock.html

@@ -4,7 +4,7 @@
 
 {% block collapse_title %}
 <span class='fas fa-shopping-cart icon-header'></span>
-{% trans "Low Stock" %}<span class='badge' id='low-stock-count'><span class='fas fa-spin fa-hourglass-half'></span></span>
+{% trans "Low Stock" %}<span class='badge' id='low-stock-count'><span class='fas fa-spin fa-spinner'></span></span>
 {% endblock %}
 
 {% block collapse_content %}

InvenTree/templates/InvenTree/po_outstanding.html

@@ -4,7 +4,7 @@
 
 {% block collapse_title %}
 <span class='fas fa-sign-in-alt icon-header'></span>
-{% trans "Outstanding Purchase Orders" %}<span class='badge' id='po-outstanding-count'><span class='fas fa-spin fa-hourglass-half'></span></span>
+{% trans "Outstanding Purchase Orders" %}<span class='badge' id='po-outstanding-count'><span class='fas fa-spin fa-spinner'></span></span>
 {% endblock %}
 
 {% block collapse_content %}

InvenTree/templates/InvenTree/required_stock_build.html

@@ -4,7 +4,7 @@
 
 {% block collapse_title %}
 <span class='fas fa-bullhorn icon-header'></span>
-{% trans "Require Stock To Complete Build" %}<span class='badge' id='stock-to-build-count'><span class='fas fa-spin fa-hourglass-half'></span></span>
+{% trans "Require Stock To Complete Build" %}<span class='badge' id='stock-to-build-count'><span class='fas fa-spin fa-spinner'></span></span>
 {% endblock %}
 
 {% block collapse_content %}

InvenTree/templates/InvenTree/searching.html

@@ -1,3 +1,3 @@
 {% load i18n %}
 
-<span class='fas fa-spin fa-hourglass-half'></span> <i>{% trans "Searching" %}</i>
+<span class='fas fa-spin fa-spinner'></span> <i>{% trans "Searching" %}</i>