Add a form/view/etc for BOM validation

InvenTree/part/forms.py

@@ -24,6 +24,21 @@ class PartImageForm(HelperForm):
         ]
 
 
+class BomValidateForm(HelperForm):
+    """ Simple confirmation form for BOM validation.
+    User is presented with a single checkbox input,
+    to confirm that the BOM for this part is valid
+    """
+
+    validate = forms.BooleanField(required=False, initial=False, help_text='Confirm that the BOM is correct')
+
+    class Meta:
+        model = Part
+        fields = [
+            'validate'
+        ]
+
+
 class BomExportForm(HelperForm):
 
     # TODO - Define these choices somewhere else, and import them here

InvenTree/part/models.py

@@ -24,6 +24,7 @@ from django.contrib.auth.models import User
 from django.db.models.signals import pre_delete
 from django.dispatch import receiver
 
+from datetime import datetime
 from fuzzywuzzy import fuzz
 import hashlib
 
@@ -468,10 +469,12 @@ class Part(models.Model):
 
     @property
     def bom_count(self):
+        """ Return the number of items contained in the BOM for this part """
         return self.bom_items.count()
 
     @property
     def used_in_count(self):
+        """ Return the number of part BOMs that this part appears in """
         return self.used_in.count()
 
     def get_bom_hash(self):
@@ -511,7 +514,7 @@ class Part(models.Model):
         - Saves the current date and the checking user
         """
 
-        self.bom_checksum = get_bom_hash()
+        self.bom_checksum = self.get_bom_hash()
         self.bom_checked_by = user
         self.bom_checked_date = datetime.now().date()
 

InvenTree/part/templates/part/bom.html

@@ -39,6 +39,9 @@
             <span class='caret'></span>
         </button>
         <ul class='dropdown-menu'>
+            {% if part.is_bom_valid == False %}
+            <li><a href='#' id='validate-bom' title='Validate BOM'>Validate BOM</a></li>
+            {% endif %}
             <li><a href='#' id='edit-bom' title='Edit BOM'>Edit BOM</a></li>
             <li><a href='#' id='export-bom' title='Export BOM'>Export BOM</a></li>
         </ul>
@@ -87,6 +90,15 @@
 
     {% else %}
 
+    $("#validate-bom").click(function() {
+        launchModalForm(
+            "{% url 'bom-validate' part.id %}",
+            {
+                reload: true,
+            }
+        );
+    });
+
     $("#edit-bom").click(function () {
         location.href = "{% url 'part-bom' part.id %}?edit=True";
     });

InvenTree/part/templates/part/bom_validate.html

@@ -0,0 +1,5 @@
+{% extends "modal_form.html" %}
+
+{% block pre_form_content %}
+Confirm that the Bill of Materials (BOM) is valid for:<br><i>{{ part.full_name }}</i>
+{% endblock %}

InvenTree/part/urls.py

@@ -35,6 +35,7 @@ part_detail_urls = [
     url(r'^edit/?', views.PartEdit.as_view(), name='part-edit'),
     url(r'^delete/?', views.PartDelete.as_view(), name='part-delete'),
     url(r'^bom-export/?', views.BomDownload.as_view(), name='bom-export'),
+    url(r'^validate-bom/', views.BomValidate.as_view(), name='bom-validate'),
     
     url(r'^track/?', views.PartDetail.as_view(template_name='part/track.html'), name='part-track'),
     url(r'^attachments/?', views.PartDetail.as_view(template_name='part/attachments.html'), name='part-attachments'),

InvenTree/part/views.py

@@ -331,12 +331,50 @@ class PartEdit(AjaxUpdateView):
         return form
 
 
+class BomValidate(AjaxUpdateView):
+    """ Modal form view for validating a part BOM """
+
+    model = Part
+    ajax_form_title = "Validate BOM"
+    ajax_template_name = 'part/bom_validate.html'
+    context_object_name = 'part'
+    form_class = part_forms.BomValidateForm
+
+    def get_context(self):
+        return {
+            'part': self.get_object(),
+        }
+
+    def get(self, request, *args, **kwargs):
+
+        form = self.get_form()
+
+        return self.renderJsonResponse(request, form, context=self.get_context())
+
+    def post(self, request, *args, **kwargs):
+
+        form = self.get_form()
+        part = self.get_object()
+
+        confirmed = str2bool(request.POST.get('validate', False))
+
+        if confirmed:
+            part.validate_bom(request.user)
+        else:
+            form.errors['validate'] = ['Confirm that the BOM is valid']
+
+        data = {
+            'form_valid': confirmed
+        }
+
+        return self.renderJsonResponse(request, form, data, context=self.get_context())
+
+
 class BomExport(AjaxView):
 
     model = Part
     ajax_form_title = 'Export BOM'
     ajax_template_name = 'part/bom_export.html'
-    context_object_name = 'part'
     form_class = part_forms.BomExportForm
 
     def get_object(self):
@@ -345,17 +383,6 @@ class BomExport(AjaxView):
     def get(self, request, *args, **kwargs):
         form = self.form_class()
 
-        """
-        part = self.get_object()
-
-        context = {
-            'part': part
-        }
-
-        if request.is_ajax():
-            passs
-        """
-
         return self.renderJsonResponse(request, form)
 
     def post(self, request, *args, **kwargs):