Merge branch 'inventree:master' into matmair/issue2279

InvenTree/InvenTree/management/commands/rebuild_thumbnails.py

@@ -43,14 +43,12 @@ class Command(BaseCommand):
             try:
                 model.image.render_variations(replace=False)
             except FileNotFoundError:
-                logger.error(f"ERROR: Image file '{img}' is missing")
+                logger.warning(f"Warning: Image file '{img}' is missing")
             except UnidentifiedImageError:
-                logger.error(f"ERROR: Image file '{img}' is not a valid image")
+                logger.warning(f"Warning: Image file '{img}' is not a valid image")
 
     def handle(self, *args, **kwargs):
 
-        logger.setLevel(logging.INFO)
-
         logger.info("Rebuilding Part thumbnails")
 
         for part in Part.objects.exclude(image=None):

InvenTree/InvenTree/static/script/chartjs-adapter-moment.js

@@ -0,0 +1,8 @@
+/*!
+  * chartjs-adapter-moment v1.0.0
+  * https://www.chartjs.org
+  * (c) 2021 chartjs-adapter-moment Contributors
+  * Released under the MIT license
+  */
+!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(require("moment"),require("chart.js")):"function"==typeof define&&define.amd?define(["moment","chart.js"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).moment,e.Chart)}(this,(function(e,t){"use strict";function n(e){return e&&"object"==typeof e&&"default"in e?e:{default:e}}var f=n(e);const a={datetime:"MMM D, YYYY, h:mm:ss a",millisecond:"h:mm:ss.SSS a",second:"h:mm:ss a",minute:"h:mm a",hour:"hA",day:"MMM D",week:"ll",month:"MMM YYYY",quarter:"[Q]Q - YYYY",year:"YYYY"};t._adapters._date.override("function"==typeof f.default?{_id:"moment",formats:function(){return a},parse:function(e,t){return"string"==typeof e&&"string"==typeof t?e=f.default(e,t):e instanceof f.default||(e=f.default(e)),e.isValid()?e.valueOf():null},format:function(e,t){return f.default(e).format(t)},add:function(e,t,n){return f.default(e).add(t,n).valueOf()},diff:function(e,t,n){return f.default(e).diff(f.default(t),n)},startOf:function(e,t,n){return e=f.default(e),"isoWeek"===t?(n=Math.trunc(Math.min(Math.max(0,n),6)),e.isoWeekday(n).startOf("day").valueOf()):e.startOf(t).valueOf()},endOf:function(e,t){return f.default(e).endOf(t).valueOf()}}:{})}));
+//# sourceMappingURL=chartjs-adapter-moment.min.js.map

InvenTree/InvenTree/version.py

@@ -12,11 +12,18 @@ import common.models
 INVENTREE_SW_VERSION = "0.7.0 dev"
 
 # InvenTree API version
-INVENTREE_API_VERSION = 28
+INVENTREE_API_VERSION = 30
 
 """
 Increment this API version number whenever there is a significant change to the API that any clients need to know about
 
+v30 -> 2022-03-09
+    - Adds "exclude_location" field to BuildAutoAllocation API endpoint
+    - Allows BuildItem API endpoint to be filtered by BomItem relation
+
+v29 -> 2022-03-08
+    - Adds "scheduling" endpoint for predicted stock scheduling information
+
 v28 -> 2022-03-04
     - Adds an API endpoint for auto allocation of stock items against a build order
     - Ref: https://github.com/inventree/InvenTree/pull/2713

InvenTree/build/api.py

@@ -461,6 +461,7 @@ class BuildItemList(generics.ListCreateAPIView):
     filter_fields = [
         'build',
         'stock_item',
+        'bom_item',
         'install_into',
     ]
 

InvenTree/build/models.py

@@ -715,7 +715,7 @@ class Build(MPTTModel, ReferenceIndexingMixin):
                                     build=self,
                                     bom_item=bom_item,
                                     stock_item=stock_item,
-                                    quantity=quantity,
+                                    quantity=1,
                                     install_into=output,
                                 )
 
@@ -842,6 +842,7 @@ class Build(MPTTModel, ReferenceIndexingMixin):
         """
 
         location = kwargs.get('location', None)
+        exclude_location = kwargs.get('exclude_location', None)
         interchangeable = kwargs.get('interchangeable', False)
         substitutes = kwargs.get('substitutes', True)
 
@@ -875,6 +876,11 @@ class Build(MPTTModel, ReferenceIndexingMixin):
                 sublocations = location.get_descendants(include_self=True)
                 available_stock = available_stock.filter(location__in=[loc for loc in sublocations])
 
+            if exclude_location:
+                # Exclude any stock items from the provided location
+                sublocations = exclude_location.get_descendants(include_self=True)
+                available_stock = available_stock.exclude(location__in=[loc for loc in sublocations])
+
             """
             Next, we sort the available stock items with the following priority:
             1. Direct part matches (+1)

InvenTree/build/serializers.py

@@ -717,6 +717,7 @@ class BuildAutoAllocationSerializer(serializers.Serializer):
     class Meta:
         fields = [
             'location',
+            'exclude_location',
             'interchangeable',
             'substitutes',
         ]
@@ -730,6 +731,15 @@ class BuildAutoAllocationSerializer(serializers.Serializer):
         help_text=_('Stock location where parts are to be sourced (leave blank to take from any location)'),
     )
 
+    exclude_location = serializers.PrimaryKeyRelatedField(
+        queryset=StockLocation.objects.all(),
+        many=False,
+        allow_null=True,
+        required=False,
+        label=_('Exclude Location'),
+        help_text=_('Exclude stock items from this selected location'),
+    )
+
     interchangeable = serializers.BooleanField(
         default=False,
         label=_('Interchangeable Stock'),
@@ -750,6 +760,7 @@ class BuildAutoAllocationSerializer(serializers.Serializer):
 
         build.auto_allocate_stock(
             location=data.get('location', None),
+            exclude_location=data.get('exclude_location', None),
             interchangeable=data['interchangeable'],
             substitutes=data['substitutes'],
         )

InvenTree/build/templates/build/detail.html

@@ -323,30 +323,78 @@
 {% block js_ready %}
 {{ block.super }}
 
-$('#btn-create-output').click(function() {
+onPanelLoad('completed', function() {
+    loadStockTable($("#build-stock-table"), {
+        params: {
+            location_detail: true,
+            part_detail: true,
+            build: {{ build.id }},
+            is_building: false,
+        },
+        groupByField: 'location',
+        buttons: [
+            '#stock-options',
+        ],
+        url: "{% url 'api-stock-list' %}",    
+    });
+});
 
-    createBuildOutput(
+onPanelLoad('children', function() {
-        {{ build.pk }},
+    loadBuildTable($('#sub-build-table'), {
+        url: '{% url "api-build-list" %}',
+        filterTarget: "#filter-list-sub-build",
+        params: {
+            ancestor: {{ build.pk }},
+        }
+    });
+});
+
+onPanelLoad('attachments', function() {
+
+    enableDragAndDrop(
+        '#attachment-dropzone',
+        '{% url "api-build-attachment-list" %}',
         {
-            trackable_parts: {% if build.part.has_trackable_parts %}true{% else %}false{% endif%},
+            data: {
+                build: {{ build.id }},
+            },
+            label: 'attachment',
+            success: function(data, status, xhr) {
+                location.reload();
+            }
         }
     );
+
+    loadAttachmentTable('{% url "api-build-attachment-list" %}', {
+        filters: {
+            build: {{ build.pk }},
+        },
+        fields: {
+            build: {
+                value: {{ build.pk }},
+                hidden: true,
+            }
+        }
+    });
 });
 
-loadStockTable($("#build-stock-table"), {
+onPanelLoad('notes', function() {
-    params: {
+    $('#edit-notes').click(function() {
-        location_detail: true,
+        constructForm('{% url "api-build-detail" build.pk %}', {
-        part_detail: true,
+            fields: {
-        build: {{ build.id }},
+                notes: {
-        is_building: false,
+                    multiline: true,
-    },
+                }
-    groupByField: 'location',
+            },
-    buttons: [
+            title: '{% trans "Edit Notes" %}',
-        '#stock-options',
+            reload: true,
-    ],
+        });
-    url: "{% url 'api-stock-list' %}",    
+    });
 });
 
+function reloadTable() {
+    $('#allocation-table-untracked').bootstrapTable('refresh');
+}
 
 // Get the list of BOM items required for this build
 inventreeGet(
@@ -436,57 +484,16 @@ inventreeGet(
     }
 );
 
-loadBuildTable($('#sub-build-table'), {
+$('#btn-create-output').click(function() {
-    url: '{% url "api-build-list" %}',
-    filterTarget: "#filter-list-sub-build",
-    params: {
-        ancestor: {{ build.pk }},
-    }
-});
 
-
+    createBuildOutput(
-enableDragAndDrop(
+        {{ build.pk }},
-    '#attachment-dropzone',
+        {
-    '{% url "api-build-attachment-list" %}',
+            trackable_parts: {% if build.part.has_trackable_parts %}true{% else %}false{% endif%},
-    {
-        data: {
-            build: {{ build.id }},
-        },
-        label: 'attachment',
-        success: function(data, status, xhr) {
-            location.reload();
         }
-    }
+    );
-);
-
-loadAttachmentTable('{% url "api-build-attachment-list" %}', {
-    filters: {
-        build: {{ build.pk }},
-    },
-    fields: {
-        build: {
-            value: {{ build.pk }},
-            hidden: true,
-        }
-    }
 });
 
-$('#edit-notes').click(function() {
-    constructForm('{% url "api-build-detail" build.pk %}', {
-        fields: {
-            notes: {
-                multiline: true,
-            }
-        },
-        title: '{% trans "Edit Notes" %}',
-        reload: true,
-    });
-});
-
-function reloadTable() {
-    $('#allocation-table-untracked').bootstrapTable('refresh');
-}
-
 {% if build.active %}
 
 $("#btn-auto-allocate").on('click', function() {
@@ -578,5 +585,4 @@ $("#btn-order-parts").click(function() {
 
 enableSidebar('buildorder');
 
-
 {% endblock %}

InvenTree/build/templates/build/sidebar.html

@@ -9,10 +9,10 @@
 {% include "sidebar_item.html" with label='allocate' text=text icon="fa-tasks" %}
 {% endif %}
 {% if not build.is_complete %}
-{% trans "Pending Items" as text %}
+{% trans "Incomplete Outputs" as text %}
 {% include "sidebar_item.html" with label='outputs' text=text icon="fa-tools" %}
 {% endif %}
-{% trans "Completed Items" as text %}
+{% trans "Completed Outputs" as text %}
 {% include "sidebar_item.html" with label='completed' text=text icon="fa-boxes" %}
 {% trans "Child Build Orders" as text %}
 {% include "sidebar_item.html" with label='children' text=text icon="fa-sitemap" %}

InvenTree/common/apps.py

@@ -23,7 +23,7 @@ class CommonConfig(AppConfig):
         try:
             import common.models
 
-            if common.models.InvenTreeSetting.get_setting('SERVER_RESTART_REQUIRED'):
+            if common.models.InvenTreeSetting.get_setting('SERVER_RESTART_REQUIRED', backup_value=False, create=False):
                 logger.info("Clearing SERVER_RESTART_REQUIRED flag")
                 common.models.InvenTreeSetting.set_setting('SERVER_RESTART_REQUIRED', False, None)
         except:

InvenTree/common/models.py

@@ -273,20 +273,24 @@ class BaseInvenTreeSetting(models.Model):
         # Setting does not exist! (Try to create it)
         if not setting:
 
-            # Attempt to create a new settings object
+            # Unless otherwise specified, attempt to create the setting
-            setting = cls(
+            create = kwargs.get('create', True)
-                key=key,
-                value=cls.get_setting_default(key, **kwargs),
-                **kwargs
-            )
 
-            try:
+            if create:
-                # Wrap this statement in "atomic", so it can be rolled back if it fails
+                # Attempt to create a new settings object
-                with transaction.atomic():
+                setting = cls(
-                    setting.save()
+                    key=key,
-            except (IntegrityError, OperationalError):
+                    value=cls.get_setting_default(key, **kwargs),
-                # It might be the case that the database isn't created yet
+                    **kwargs
-                pass
+                )
+
+                try:
+                    # Wrap this statement in "atomic", so it can be rolled back if it fails
+                    with transaction.atomic():
+                        setting.save()
+                except (IntegrityError, OperationalError):
+                    # It might be the case that the database isn't created yet
+                    pass
 
         return setting
 
@@ -1258,7 +1262,14 @@ class InvenTreeUserSetting(BaseInvenTreeSetting):
                 ('MM/DD/YYYY', '02/22/2022'),
                 ('MMM DD YYYY', 'Feb 22 2022'),
             ]
-        }
+        },
+
+        'DISPLAY_SCHEDULE_TAB': {
+            'name': _('Part Scheduling'),
+            'description': _('Display part scheduling information'),
+            'default': True,
+            'validator': bool,
+        },
     }
 
     class Meta:

InvenTree/order/templates/order/order_base.html

@@ -50,7 +50,7 @@
 </div>
 {% if order.status == PurchaseOrderStatus.PENDING %}
 <button type='button' class='btn btn-outline-secondary' id='place-order' title='{% trans "Place order" %}'>
-    <span class='fas fa-shopping-cart icon-blue'></span>
+    <span class='fas fa-paper-plane icon-blue'></span>
 </button>
 {% elif order.status == PurchaseOrderStatus.PLACED %}
 <button type='button' class='btn btn-primary' id='receive-order' title='{% trans "Receive items" %}'>

InvenTree/part/api.py

@@ -5,6 +5,8 @@ Provides a JSON API for the Part app
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
+import datetime
+
 from django.conf.urls import url, include
 from django.http import JsonResponse
 from django.db.models import Q, F, Count, Min, Max, Avg
@@ -40,7 +42,8 @@ from company.models import Company, ManufacturerPart, SupplierPart
 from stock.models import StockItem, StockLocation
 
 from common.models import InvenTreeSetting
-from build.models import Build
+from build.models import Build, BuildItem
+import order.models
 
 from . import serializers as part_serializers
 
@@ -48,7 +51,7 @@ from InvenTree.helpers import str2bool, isNull, increment
 from InvenTree.helpers import DownloadFile
 from InvenTree.api import AttachmentMixin
 
-from InvenTree.status_codes import BuildStatus
+from InvenTree.status_codes import BuildStatus, PurchaseOrderStatus, SalesOrderStatus
 
 
 class CategoryList(generics.ListCreateAPIView):
@@ -430,6 +433,142 @@ class PartThumbsUpdate(generics.RetrieveUpdateAPIView):
     ]
 
 
+class PartScheduling(generics.RetrieveAPIView):
+    """
+    API endpoint for delivering "scheduling" information about a given part via the API.
+
+    Returns a chronologically ordered list about future "scheduled" events,
+    concerning stock levels for the part:
+
+    - Purchase Orders (incoming stock)
+    - Sales Orders (outgoing stock)
+    - Build Orders (incoming completed stock)
+    - Build Orders (outgoing allocated stock)
+    """
+
+    queryset = Part.objects.all()
+
+    def retrieve(self, request, *args, **kwargs):
+
+        today = datetime.datetime.now().date()
+
+        part = self.get_object()
+
+        schedule = []
+
+        def add_schedule_entry(date, quantity, title, label, url):
+            """
+            Check if a scheduled entry should be added:
+            - date must be non-null
+            - date cannot be in the "past"
+            - quantity must not be zero
+            """
+
+            if date and date >= today and quantity != 0:
+                schedule.append({
+                    'date': date,
+                    'quantity': quantity,
+                    'title': title,
+                    'label': label,
+                    'url': url,
+                })
+
+        # Add purchase order (incoming stock) information
+        po_lines = order.models.PurchaseOrderLineItem.objects.filter(
+            part__part=part,
+            order__status__in=PurchaseOrderStatus.OPEN,
+        )
+
+        for line in po_lines:
+
+            target_date = line.target_date or line.order.target_date
+
+            quantity = max(line.quantity - line.received, 0)
+
+            add_schedule_entry(
+                target_date,
+                quantity,
+                _('Incoming Purchase Order'),
+                str(line.order),
+                line.order.get_absolute_url()
+            )
+
+        # Add sales order (outgoing stock) information
+        so_lines = order.models.SalesOrderLineItem.objects.filter(
+            part=part,
+            order__status__in=SalesOrderStatus.OPEN,
+        )
+
+        for line in so_lines:
+
+            target_date = line.target_date or line.order.target_date
+
+            quantity = max(line.quantity - line.shipped, 0)
+
+            add_schedule_entry(
+                target_date,
+                -quantity,
+                _('Outgoing Sales Order'),
+                str(line.order),
+                line.order.get_absolute_url(),
+            )
+
+        # Add build orders (incoming stock) information
+        build_orders = Build.objects.filter(
+            part=part,
+            status__in=BuildStatus.ACTIVE_CODES
+        )
+
+        for build in build_orders:
+
+            quantity = max(build.quantity - build.completed, 0)
+
+            add_schedule_entry(
+                build.target_date,
+                quantity,
+                _('Stock produced by Build Order'),
+                str(build),
+                build.get_absolute_url(),
+            )
+
+        """
+        Add build order allocation (outgoing stock) information.
+
+        Here we need some careful consideration:
+
+        - 'Tracked' stock items are removed from stock when the individual Build Output is completed
+        - 'Untracked' stock items are removed from stock when the Build Order is completed
+
+        The 'simplest' approach here is to look at existing BuildItem allocations which reference this part,
+        and "schedule" them for removal at the time of build order completion.
+
+        This assumes that the user is responsible for correctly allocating parts.
+
+        However, it has the added benefit of side-stepping the various BOM substition options,
+        and just looking at what stock items the user has actually allocated against the Build.
+        """
+
+        build_allocations = BuildItem.objects.filter(
+            stock_item__part=part,
+            build__status__in=BuildStatus.ACTIVE_CODES,
+        )
+
+        for allocation in build_allocations:
+
+            add_schedule_entry(
+                allocation.build.target_date,
+                -allocation.quantity,
+                _('Stock required for Build Order'),
+                str(allocation.build),
+                allocation.build.get_absolute_url(),
+            )
+
+        # Sort by incrementing date values
+        schedule = sorted(schedule, key=lambda entry: entry['date'])
+
+        return Response(schedule)
+
+
 class PartSerialNumberDetail(generics.RetrieveAPIView):
     """
     API endpoint for returning extra serial number information about a particular part
@@ -1734,6 +1873,9 @@ part_api_urls = [
         # Endpoint for extra serial number information
         url(r'^serial-numbers/', PartSerialNumberDetail.as_view(), name='api-part-serial-number-detail'),
 
+        # Endpoint for future scheduling information
+        url(r'^scheduling/', PartScheduling.as_view(), name='api-part-scheduling'),
+
         # Endpoint for duplicating a BOM for the specific Part
         url(r'^bom-copy/', PartCopyBOM.as_view(), name='api-part-bom-copy'),
 

InvenTree/part/models.py

@@ -20,7 +20,7 @@ from django.db.models.functions import Coalesce
 from django.core.validators import MinValueValidator
 
 from django.contrib.auth.models import User
-from django.db.models.signals import pre_delete, post_save
+from django.db.models.signals import post_save
 from django.dispatch import receiver
 
 from jinja2 import Template
@@ -76,6 +76,35 @@ class PartCategory(InvenTreeTree):
         default_keywords: Default keywords for parts created in this category
     """
 
+    def delete(self, *args, **kwargs):
+        """
+        Custom model deletion routine, which updates any child categories or parts.
+        This must be handled within a transaction.atomic(), otherwise the tree structure is damaged
+        """
+
+        with transaction.atomic():
+
+            parent = self.parent
+            tree_id = self.tree_id
+
+            # Update each part in this category to point to the parent category
+            for part in self.parts.all():
+                part.category = self.parent
+                part.save()
+
+            # Update each child category
+            for child in self.children.all():
+                child.parent = self.parent
+                child.save()
+
+            super().delete(*args, **kwargs)
+
+            if parent is not None:
+                # Partially rebuild the tree (cheaper than a complete rebuild)
+                PartCategory.objects.partial_rebuild(tree_id)
+            else:
+                PartCategory.objects.rebuild()
+
     default_location = TreeForeignKey(
         'stock.StockLocation', related_name="default_categories",
         null=True, blank=True,
@@ -260,27 +289,6 @@ class PartCategory(InvenTreeTree):
             ).delete()
 
 
-@receiver(pre_delete, sender=PartCategory, dispatch_uid='partcategory_delete_log')
-def before_delete_part_category(sender, instance, using, **kwargs):
-    """ Receives before_delete signal for PartCategory object
-
-    Before deleting, update child Part and PartCategory objects:
-
-    - For each child category, set the parent to the parent of *this* category
-    - For each part, set the 'category' to the parent of *this* category
-    """
-
-    # Update each part in this category to point to the parent category
-    for part in instance.parts.all():
-        part.category = instance.parent
-        part.save()
-
-    # Update each child category
-    for child in instance.children.all():
-        child.parent = instance.parent
-        child.save()
-
-
 def rename_part_image(instance, filename):
     """ Function for renaming a part image file
 

InvenTree/part/templates/part/category_delete.html

@@ -2,38 +2,31 @@
 {% load i18n %}
 
 {% block pre_form_content %}
-{% trans 'Are you sure you want to delete category' %} <strong>{{ category.name }}</strong>?
+
+<div class='alert alert-block alert-danger'>
+    {% trans "Are you sure you want to delete this part category?" %}
+</div>
 
 {% if category.children.all|length > 0 %}
-<p>{% blocktrans with count=category.children.all|length%}This category contains {{count}} child categories{% endblocktrans %}.<br>
+<div class='alert alert-block alert-warning'>
-{% trans 'If this category is deleted, these child categories will be moved to the' %}
+    {% blocktrans with n=category.children.all|length %}This category contains {{ n }} child categories{% endblocktrans %}.<br>
-{% if category.parent %}
+    {% if category.parent %}
- <strong>{{ category.parent.name }}</strong> {% trans 'category' %}.
+    {% blocktrans with category=category.parent.name %}If this category is deleted, these child categories will be moved to {{ category }}{% endblocktrans %}.
-{% else %}
+    {% else %}
- {% trans 'top level Parts category' %}.
+    {% trans "If this category is deleted, these child categories will be moved to the top level part category" %}.
-{% endif %}
+    {% endif %}
-</p>
+</div>
-
-<ul class='list-group'>
-{% for cat in category.children.all %}
-    <li class='list-group-item'><strong>{{ cat.name }}</strong> - <em>{{ cat.description }}</em></li>
-{% endfor %}
-</ul>
 {% endif %}
 
 {% if category.parts.all|length > 0 %}
-<p>{% blocktrans with count=category.parts.all|length %}This category contains {{count}} parts{% endblocktrans %}.<br>
+<div class='alert alert-block alert-warning'>
+    {% blocktrans with n=category.parts.all|length %}This category contains {{ n }} parts{% endblocktrans %}.<br>
     {% if category.parent %}
-    {% blocktrans with path=category.parent.pathstring %}If this category is deleted, these parts will be moved to the parent category {{path}}{% endblocktrans %}
+    {% blocktrans with category=category.parent.name %}If this category is deleted, these parts will be moved to {{ category }}{% endblocktrans %}.
     {% else %}
-    {% trans 'If this category is deleted, these parts will be moved to the top-level category Teile' %}
+    {% trans "If this category is deleted, these parts will be moved to the top level part category" %}.
     {% endif %}
-</p>
+</div>
-<ul class='list-group'>
-{% for part in category.parts.all %}
-    <li class='list-group-item'><strong>{{ part.full_name }}</strong> - <em>{{ part.description }}</em></li>
-{% endfor %}
-</ul>
 {% endif %}
 
 {% endblock %}

InvenTree/part/templates/part/detail.html

@@ -32,6 +32,21 @@
     </div>
 </div>
 
+{% settings_value 'DISPLAY_SCHEDULE_TAB' user=request.user as show_scheduling %}
+{% if show_scheduling %}
+<div class='panel panel-hidden' id='panel-scheduling'>
+    <div class='panel-heading'>
+        <div class='d-flex flex-wrap'>
+            <h4>{% trans "Part Scheduling" %}</h4>
+            {% include "spacer.html" %}
+        </div>
+    </div>
+    <div class='panel-content'>
+        {% include "part/part_scheduling.html" %}
+    </div>
+</div>
+{% endif %}
+
 <div class='panel panel-hidden' id='panel-allocations'>
     <div class='panel-heading'>
         <div class='d-flex flex-wrap'>
@@ -417,6 +432,11 @@
 {% block js_ready %}
     {{ block.super }}
 
+    // Load the "scheduling" tab
+    onPanelLoad('scheduling', function() {
+        loadPartSchedulingChart('part-schedule-chart', {{ part.pk }});
+    });
+
     // Load the "suppliers" tab
     onPanelLoad('suppliers', function() {
 

InvenTree/part/templates/part/part_scheduling.html

@@ -0,0 +1,6 @@
+{% load i18n %}
+{% load inventree_extras %}
+
+<div id='part-schedule' style='max-height: 300px;'>
+    <canvas id='part-schedule-chart' width='100%' style='max-height: 300px;'></canvas>
+</div>

InvenTree/part/templates/part/part_sidebar.html

@@ -44,6 +44,11 @@
 {% trans "Sales Orders" as text %}
 {% include "sidebar_item.html" with label="sales-orders" text=text icon="fa-truck" %}
 {% endif %}
+{% settings_value 'DISPLAY_SCHEDULE_TAB' user=request.user as show_scheduling %}
+{% if show_scheduling %}
+{% trans "Scheduling" as text %}
+{% include "sidebar_item.html" with label="scheduling" text=text icon="fa-calendar-alt" %}
+{% endif %}
 {% if part.trackable %}
 {% trans "Test Templates" as text %}
 {% include "sidebar_item.html" with label="test-templates" text=text icon="fa-vial" %}

InvenTree/part/test_category.py

@@ -172,3 +172,122 @@ class CategoryTest(TestCase):
         # And one part should have no default location at all
         w = Part.objects.get(name='Widget')
         self.assertIsNone(w.get_default_location())
+
+    def test_category_tree(self):
+        """
+        Unit tests for the part category tree structure (MPTT)
+        Ensure that the MPTT structure is rebuilt correctly,
+        and the correct ancestor tree is observed.
+        """
+
+        # Clear out any existing parts
+        Part.objects.all().delete()
+
+        # First, create a structured tree of part categories
+        A = PartCategory.objects.create(
+            name='A',
+            description='Top level category',
+        )
+
+        B1 = PartCategory.objects.create(name='B1', parent=A)
+        B2 = PartCategory.objects.create(name='B2', parent=A)
+        B3 = PartCategory.objects.create(name='B3', parent=A)
+
+        C11 = PartCategory.objects.create(name='C11', parent=B1)
+        C12 = PartCategory.objects.create(name='C12', parent=B1)
+        C13 = PartCategory.objects.create(name='C13', parent=B1)
+
+        C21 = PartCategory.objects.create(name='C21', parent=B2)
+        C22 = PartCategory.objects.create(name='C22', parent=B2)
+        C23 = PartCategory.objects.create(name='C23', parent=B2)
+
+        C31 = PartCategory.objects.create(name='C31', parent=B3)
+        C32 = PartCategory.objects.create(name='C32', parent=B3)
+        C33 = PartCategory.objects.create(name='C33', parent=B3)
+
+        # Check that the tree_id value is correct
+        for cat in [B1, B2, B3, C11, C22, C33]:
+            self.assertEqual(cat.tree_id, A.tree_id)
+            self.assertEqual(cat.level, cat.parent.level + 1)
+            self.assertEqual(cat.get_ancestors().count(), cat.level)
+
+        # Spot check for C31
+        ancestors = C31.get_ancestors(include_self=True)
+
+        self.assertEqual(ancestors.count(), 3)
+        self.assertEqual(ancestors[0], A)
+        self.assertEqual(ancestors[1], B3)
+        self.assertEqual(ancestors[2], C31)
+
+        # At this point, we are confident that the tree is correctly structured
+
+        # Add some parts to category B3
+
+        for i in range(10):
+            Part.objects.create(
+                name=f'Part {i}',
+                description='A test part',
+                category=B3,
+            )
+
+        self.assertEqual(Part.objects.filter(category=B3).count(), 10)
+        self.assertEqual(Part.objects.filter(category=A).count(), 0)
+
+        # Delete category B3
+        B3.delete()
+
+        # Child parts have been moved to category A
+        self.assertEqual(Part.objects.filter(category=A).count(), 10)
+
+        for cat in [C31, C32, C33]:
+            # These categories should now be directly under A
+            cat.refresh_from_db()
+
+            self.assertEqual(cat.parent, A)
+            self.assertEqual(cat.level, 1)
+            self.assertEqual(cat.get_ancestors().count(), 1)
+            self.assertEqual(cat.get_ancestors()[0], A)
+
+        # Now, delete category A
+        A.delete()
+
+        # Parts have now been moved to the top-level category
+        self.assertEqual(Part.objects.filter(category=None).count(), 10)
+
+        for loc in [B1, B2, C31, C32, C33]:
+            # These should now all be "top level" categories
+            loc.refresh_from_db()
+
+            self.assertEqual(loc.level, 0)
+            self.assertEqual(loc.parent, None)
+
+        # Check descendants for B1
+        descendants = B1.get_descendants()
+        self.assertEqual(descendants.count(), 3)
+
+        for loc in [C11, C12, C13]:
+            self.assertTrue(loc in descendants)
+
+        # Check category C1x, should be B1 -> C1x
+        for loc in [C11, C12, C13]:
+            loc.refresh_from_db()
+
+            self.assertEqual(loc.level, 1)
+            self.assertEqual(loc.parent, B1)
+            ancestors = loc.get_ancestors(include_self=True)
+
+            self.assertEqual(ancestors.count(), 2)
+            self.assertEqual(ancestors[0], B1)
+            self.assertEqual(ancestors[1], loc)
+
+        # Check category C2x, should be B2 -> C2x
+        for loc in [C21, C22, C23]:
+            loc.refresh_from_db()
+
+            self.assertEqual(loc.level, 1)
+            self.assertEqual(loc.parent, B2)
+            ancestors = loc.get_ancestors(include_self=True)
+
+            self.assertEqual(ancestors.count(), 2)
+            self.assertEqual(ancestors[0], B2)
+            self.assertEqual(ancestors[1], loc)

InvenTree/stock/models.py

@@ -54,6 +54,35 @@ class StockLocation(InvenTreeTree):
     Stock locations can be heirarchical as required
     """
 
+    def delete(self, *args, **kwargs):
+        """
+        Custom model deletion routine, which updates any child locations or items.
+        This must be handled within a transaction.atomic(), otherwise the tree structure is damaged
+        """
+
+        with transaction.atomic():
+
+            parent = self.parent
+            tree_id = self.tree_id
+
+            # Update each stock item in the stock location
+            for item in self.stock_items.all():
+                item.location = self.parent
+                item.save()
+
+            # Update each child category
+            for child in self.children.all():
+                child.parent = self.parent
+                child.save()
+
+            super().delete(*args, **kwargs)
+
+            if parent is not None:
+                # Partially rebuild the tree (cheaper than a complete rebuild)
+                StockLocation.objects.partial_rebuild(tree_id)
+            else:
+                StockLocation.objects.rebuild()
+
     @staticmethod
     def get_api_url():
         return reverse('api-location-list')
@@ -159,20 +188,6 @@ class StockLocation(InvenTreeTree):
         return self.stock_item_count()
 
 
-@receiver(pre_delete, sender=StockLocation, dispatch_uid='stocklocation_delete_log')
-def before_delete_stock_location(sender, instance, using, **kwargs):
-
-    # Update each part in the stock location
-    for item in instance.stock_items.all():
-        item.location = instance.parent
-        item.save()
-
-    # Update each child category
-    for child in instance.children.all():
-        child.parent = instance.parent
-        child.save()
-
-
 class StockItemManager(TreeManager):
     """
     Custom database manager for the StockItem class.

InvenTree/stock/templates/stock/item_base.html

@@ -462,9 +462,7 @@ $("#print-label").click(function() {
 {% if roles.stock.change %}
 $("#stock-duplicate").click(function() {
     // Duplicate a stock item 
-    duplicateStockItem({{ item.pk }}, {
+    duplicateStockItem({{ item.pk }}, {});
-        follow: true,
-    });
 });
 
 $('#stock-edit').click(function() {

InvenTree/stock/templates/stock/location_delete.html

@@ -4,40 +4,31 @@
 {% load inventree_extras %}
 
 {% block pre_form_content %}
-{% trans "Are you sure you want to delete this stock location?" %}
+<div class='alert alert-block alert-danger'>
-
+    {% trans "Are you sure you want to delete this stock location?" %}
-<br>
+</div>
-
+    
 {% if location.children.all|length > 0 %}
-<p>This location contains {{ location.children.all|length }} child locations.<br>
+<div class='alert alert-block alert-warning'>
-If this location is deleted, these child locations will be moved to
+    {% blocktrans with n=location.children.all|length %}This location contains {{ n }} child locations{% endblocktrans %}.<br>
-{% if location.parent %}
+    {% if location.parent %}
-the '{{ location.parent.name }}' location.
+    {% blocktrans with location=location.parent.name %}If this location is deleted, these child locations will be moved to {{ location }}{% endblocktrans %}.
-{% else %}
+    {% else %}
-the top level 'Stock' location.
+    {% trans "If this location is deleted, these child locations will be moved to the top level stock location" %}.
+    {% endif %}
+</div>
 {% endif %}
-</p>
 
-<ul class='list-group'>
-    {% for loc in location.children.all %}
-    <li class='list-group-item'><strong>{{ loc.name }}</strong> - <em>{{ loc.description}}</em></li>
-    {% endfor %}
-</ul>
-{% endif %}
 
 {% if location.stock_items.all|length > 0 %}
-<p>This location contains {{ location.stock_items.all|length }} stock items.<br>
+<div class='alert alert-block alert-warning'>
-{% if location.parent %}
+    {% blocktrans with n=location.stock_items.all|length %}This location contains {{ n }} stock items{% endblocktrans %}.<br>
-If this location is deleted, these items will be moved to the '{{ location.parent.name }}' location.
+    {% if location.parent %}
-{% else %}
+    {% blocktrans with location=location.parent.name %}If this location is deleted, these stock items will be moved to {{ location }}{% endblocktrans %}.
-If this location is deleted, these items will be moved to the top level 'Stock' location.
+    {% else %}
+    {% trans "If this location is deleted, these stock items will be moved to the top level stock location" %}.
+    {% endif %}
+</div>
 {% endif %}
-</p>
 
-<ul class='list-group'>
-    {% for item in location.stock_items.all %}
-    <li class='list-group-item'><strong>{{ item.part.full_name }}</strong> - <em>{{ item.part.description }}</em><span class='badge badge-right rounded-pill bg-dark'>{% decimal item.quantity %}</span></li>
-    {% endfor %}
-</ul>
-{% endif %}
 {% endblock %}

InvenTree/stock/tests.py

@@ -524,6 +524,174 @@ class StockTest(TestCase):
         # Serialize the remainder of the stock
         item.serializeStock(2, [99, 100], self.user)
 
+    def test_location_tree(self):
+        """
+        Unit tests for stock location tree structure (MPTT).
+        Ensure that the MPTT structure is rebuilt correctly,
+        and the corrent ancestor tree is observed.
+
+        Ref: https://github.com/inventree/InvenTree/issues/2636
+        Ref: https://github.com/inventree/InvenTree/issues/2733
+        """
+
+        # First, we will create a stock location structure
+
+        A = StockLocation.objects.create(
+            name='A',
+            description='Top level location'
+        )
+
+        B1 = StockLocation.objects.create(
+            name='B1',
+            parent=A
+        )
+
+        B2 = StockLocation.objects.create(
+            name='B2',
+            parent=A
+        )
+
+        B3 = StockLocation.objects.create(
+            name='B3',
+            parent=A
+        )
+
+        C11 = StockLocation.objects.create(
+            name='C11',
+            parent=B1,
+        )
+
+        C12 = StockLocation.objects.create(
+            name='C12',
+            parent=B1,
+        )
+
+        C21 = StockLocation.objects.create(
+            name='C21',
+            parent=B2,
+        )
+
+        C22 = StockLocation.objects.create(
+            name='C22',
+            parent=B2,
+        )
+
+        C31 = StockLocation.objects.create(
+            name='C31',
+            parent=B3,
+        )
+
+        C32 = StockLocation.objects.create(
+            name='C32',
+            parent=B3
+        )
+
+        # Check that the tree_id is correct for each sublocation
+        for loc in [B1, B2, B3, C11, C12, C21, C22, C31, C32]:
+            self.assertEqual(loc.tree_id, A.tree_id)
+
+        # Check that the tree levels are correct for each node in the tree
+
+        self.assertEqual(A.level, 0)
+        self.assertEqual(A.get_ancestors().count(), 0)
+
+        for loc in [B1, B2, B3]:
+            self.assertEqual(loc.parent, A)
+            self.assertEqual(loc.level, 1)
+            self.assertEqual(loc.get_ancestors().count(), 1)
+
+        for loc in [C11, C12]:
+            self.assertEqual(loc.parent, B1)
+            self.assertEqual(loc.level, 2)
+            self.assertEqual(loc.get_ancestors().count(), 2)
+
+        for loc in [C21, C22]:
+            self.assertEqual(loc.parent, B2)
+            self.assertEqual(loc.level, 2)
+            self.assertEqual(loc.get_ancestors().count(), 2)
+
+        for loc in [C31, C32]:
+            self.assertEqual(loc.parent, B3)
+            self.assertEqual(loc.level, 2)
+            self.assertEqual(loc.get_ancestors().count(), 2)
+
+        # Spot-check for C32
+        ancestors = C32.get_ancestors(include_self=True)
+
+        self.assertEqual(ancestors[0], A)
+        self.assertEqual(ancestors[1], B3)
+        self.assertEqual(ancestors[2], C32)
+
+        # At this point, we are confident that the tree is correctly structured.
+
+        # Let's delete node B3 from the tree. We expect that:
+        # - C31 should move directly under A
+        # - C32 should move directly under A
+
+        # Add some stock items to B3
+        for i in range(10):
+            StockItem.objects.create(
+                part=Part.objects.get(pk=1),
+                quantity=10,
+                location=B3
+            )
+
+        self.assertEqual(StockItem.objects.filter(location=B3).count(), 10)
+        self.assertEqual(StockItem.objects.filter(location=A).count(), 0)
+
+        B3.delete()
+
+        A.refresh_from_db()
+        C31.refresh_from_db()
+        C32.refresh_from_db()
+
+        # Stock items have been moved to A
+        self.assertEqual(StockItem.objects.filter(location=A).count(), 10)
+
+        # Parent should be A
+        self.assertEqual(C31.parent, A)
+        self.assertEqual(C32.parent, A)
+
+        self.assertEqual(C31.tree_id, A.tree_id)
+        self.assertEqual(C31.level, 1)
+
+        self.assertEqual(C32.tree_id, A.tree_id)
+        self.assertEqual(C32.level, 1)
+
+        # Ancestor tree should be just A
+        ancestors = C31.get_ancestors()
+        self.assertEqual(ancestors.count(), 1)
+        self.assertEqual(ancestors[0], A)
+
+        ancestors = C32.get_ancestors()
+        self.assertEqual(ancestors.count(), 1)
+        self.assertEqual(ancestors[0], A)
+
+        # Delete A
+        A.delete()
+
+        # Stock items have been moved to top-level location
+        self.assertEqual(StockItem.objects.filter(location=None).count(), 10)
+
+        for loc in [B1, B2, C11, C12, C21, C22]:
+            loc.refresh_from_db()
+
+        self.assertEqual(B1.parent, None)
+        self.assertEqual(B2.parent, None)
+
+        self.assertEqual(C11.parent, B1)
+        self.assertEqual(C12.parent, B1)
+        self.assertEqual(C11.get_ancestors().count(), 1)
+        self.assertEqual(C12.get_ancestors().count(), 1)
+
+        self.assertEqual(C21.parent, B2)
+        self.assertEqual(C22.parent, B2)
+
+        ancestors = C21.get_ancestors()
+
+        self.assertEqual(C21.get_ancestors().count(), 1)
+        self.assertEqual(C22.get_ancestors().count(), 1)
+
 
 class VariantTest(StockTest):
     """

InvenTree/templates/InvenTree/settings/user_display.html

@@ -18,6 +18,7 @@
             {% include "InvenTree/settings/setting.html" with key="DATE_DISPLAY_FORMAT" icon="fa-calendar-alt" user_setting=True %}
             {% include "InvenTree/settings/setting.html" with key="FORMS_CLOSE_USING_ESCAPE" icon="fa-window-close" user_setting=True %}
             {% include "InvenTree/settings/setting.html" with key="PART_SHOW_QUANTITY_IN_FORMS" icon="fa-hashtag" user_setting=True %}
+            {% include "InvenTree/settings/setting.html" with key="DISPLAY_SCHEDULE_TAB" icon="fa-calendar-alt" user_setting=True %}
         </tbody>
     </table>
 </div>

InvenTree/templates/base.html

@@ -154,8 +154,10 @@
 <script type="text/javascript" src="{% static 'fullcalendar/main.js' %}"></script>
 <script type="text/javascript" src="{% static 'fullcalendar/locales-all.js' %}"></script>
 <script type="text/javascript" src="{% static 'select2/js/select2.full.js' %}"></script>
+<script type='text/javascript' src="{% static 'script/chart.js' %}"></script>
 <script type='text/javascript' src="{% static 'script/moment.js' %}"></script>
-<script type='text/javascript' src="{% static 'script/chart.min.js' %}"></script>
+<script type='text/javascript' src="{% static 'script/chartjs-adapter-moment.js' %}"></script>
+    
 <script type='text/javascript' src="{% static 'script/clipboard.min.js' %}"></script>
 <script type='text/javascript' src="{% static 'script/randomColor.min.js' %}"></script>
 

InvenTree/templates/js/translated/build.js

@@ -1219,6 +1219,18 @@ function loadBuildOutputAllocationTable(buildInfo, output, options={}) {
                             $(table).bootstrapTable('updateByUniqueId', key, tableRow, true);
                         }
 
+                        // Update any rows which we did not receive allocation information for
+                        var td = $(table).bootstrapTable('getData');
+
+                        td.forEach(function(tableRow) {
+                            if (tableRow.allocations == null) {
+
+                                tableRow.allocations = [];
+
+                                $(table).bootstrapTable('updateByUniqueId', tableRow.pk, tableRow, true);
+                            }
+                        });
+
                         // Update the progress bar for this build output
                         var build_progress = $(`#output-progress-${outputId}`);
 
@@ -1419,15 +1431,17 @@ function loadBuildOutputAllocationTable(buildInfo, output, options={}) {
                 formatter: function(value, row) {
                     var allocated = 0;
 
-                    if (row.allocations) {
+                    if (row.allocations != null) {
                         row.allocations.forEach(function(item) {
                             allocated += item.quantity;
                         });
+
+                        var required = requiredQuantity(row);
+
+                        return makeProgressBar(allocated, required);
+                    } else {
+                        return `<em>{% trans "loading" %}...</em><span class='fas fa-spinner fa-spin float-right'></span>`;
                     }
-
-                    var required = requiredQuantity(row);
-
-                    return makeProgressBar(allocated, required);
                 },
                 sorter: function(valA, valB, rowA, rowB) {
                     // Custom sorting function for progress bars
@@ -1876,6 +1890,7 @@ function autoAllocateStockToBuild(build_id, bom_items=[], options={}) {
         location: {
             value: options.location,
         },
+        exclude_location: {},
         interchangeable: {
             value: true,
         },

InvenTree/templates/js/translated/part.js

@@ -33,6 +33,7 @@
     loadPartPurchaseOrderTable,
     loadPartTable,
     loadPartTestTemplateTable,
+    loadPartSchedulingChart,
     loadPartVariantTable,
     loadRelatedPartsTable,
     loadSellPricingChart,
@@ -1981,6 +1982,123 @@ function initPriceBreakSet(table, options) {
 }
 
 
+function loadPartSchedulingChart(canvas_id, part_id) {
+
+    var part_info = null;
+
+    // First, grab updated data for the particular part
+    inventreeGet(`/api/part/${part_id}/`, {}, {
+        async: false,
+        success: function(response) {
+            part_info = response;
+        }
+    });
+
+    var today = moment();
+
+    // Create an initial entry, using the available quantity
+    var stock_schedule = [
+        {
+            date: today,
+            delta: 0,
+            label: '{% trans "Current Stock" %}',
+        }
+    ];
+
+    /* Request scheduling information for the part.
+     * Note that this information has already been 'curated' by the server,
+     * and arranged in increasing chronological order
+     */
+    inventreeGet(
+        `/api/part/${part_id}/scheduling/`,
+        {},
+        {
+            async: false,
+            success: function(response) {
+                response.forEach(function(entry) {
+                    stock_schedule.push({
+                        date: moment(entry.date),
+                        delta: entry.quantity,
+                        title: entry.title,
+                        label: entry.label,
+                        url: entry.url,
+                    });
+                });
+            }
+        }
+    );
+
+    // Iterate through future "events" to calculate expected quantity
+
+    var quantity = part_info.in_stock;
+
+    for (var idx = 0; idx < stock_schedule.length; idx++) {
+
+        quantity += stock_schedule[idx].delta;
+
+        stock_schedule[idx].x = stock_schedule[idx].date.format('YYYY-MM-DD');
+        stock_schedule[idx].y = quantity;
+    }
+
+    var context = document.getElementById(canvas_id);
+
+    const data = {
+        datasets: [{
+            label: '{% trans "Scheduled Stock Quantities" %}',
+            data: stock_schedule,
+            backgroundColor: 'rgb(220, 160, 80)',
+            borderWidth: 2,
+            borderColor: 'rgb(90, 130, 150)'
+        }],
+    };
+
+    return new Chart(context, {
+        type: 'scatter',
+        data: data,
+        options: {
+            showLine: true,
+            stepped: true,
+            scales: {
+                x: {
+                    type: 'time',
+                    min: today.format(),
+                    position: 'bottom',
+                    time: {
+                        unit: 'day',
+                    },
+                },
+                y: {
+                    beginAtZero: true,
+                }
+            },
+            plugins: {
+                tooltip: {
+                    callbacks: {
+                        label: function(item) {
+                            return item.raw.label;
+                        },
+                        beforeLabel: function(item) {
+                            return item.raw.title;
+                        },
+                        afterLabel: function(item) {
+                            var delta = item.raw.delta;
+
+                            if (delta == 0) {
+                                delta = '';
+                            } else {
+                                delta = ` (${item.raw.delta > 0 ? '+' : ''}${item.raw.delta})`;
+                            }
+
+                            return `{% trans "Quantity" %}: ${item.raw.y}${delta}`;
+                        }
+                    }
+                }
+            },
+        }
+    });
+}
+
+
 function loadStockPricingChart(context, data) {
     return new Chart(context, {
         type: 'bar',

InvenTree/templates/js/translated/stock.js

@@ -294,7 +294,17 @@ function stockItemGroups(options={}) {
  */
 function duplicateStockItem(pk, options) {
 
-    // First, we need the StockItem informatino
+    // If no "success" function provided, add a default
+    if (!options.onSuccess) {
+        options.onSuccess = function(response) {
+
+            showAlertOrCache('{% trans "Stock item duplicated" %}', true, {style: 'success'});
+
+            window.location.href = `/stock/item/${response.pk}/`;
+        };
+    }
+
+    // First, we need the StockItem information
     inventreeGet(`/api/stock/${pk}/`, {}, {
         success: function(data) {
 

requirements.txt

@@ -35,7 +35,7 @@ importlib_metadata              # Backport for importlib.metadata
 inventree                       # Install the latest version of the InvenTree API python library
 markdown==3.3.4                 # Force particular version of markdown
 pep8-naming==0.11.1             # PEP naming convention extension
-pillow==9.0.0                   # Image manipulation
+pillow==9.0.1                   # Image manipulation
 py-moneyed==0.8.0               # Specific version requirement for py-moneyed
 pygments==2.7.4                 # Syntax highlighting
 python-barcode[images]==0.13.1  # Barcode generator