Merge remote-tracking branch 'inventree/master' into partial-shipment

# Conflicts:
#	InvenTree/InvenTree/version.py

InvenTree/part/api.py

@@ -832,18 +832,6 @@ class PartList(generics.ListCreateAPIView):
 
         queryset = super().filter_queryset(queryset)
 
-        # Filter by "uses" query - Limit to parts which use the provided part
-        uses = params.get('uses', None)
-
-        if uses:
-            try:
-                uses = Part.objects.get(pk=uses)
-
-                queryset = queryset.filter(uses.get_used_in_filter())
-
-            except (ValueError, Part.DoesNotExist):
-                pass
-
         # Exclude specific part ID values?
         exclude_id = []
 
@@ -1040,13 +1028,19 @@ class PartParameterTemplateList(generics.ListCreateAPIView):
     serializer_class = part_serializers.PartParameterTemplateSerializer
 
     filter_backends = [
+        DjangoFilterBackend,
         filters.OrderingFilter,
+        filters.SearchFilter,
     ]
 
     filter_fields = [
         'name',
     ]
 
+    search_fields = [
+        'name',
+    ]
+
 
 class PartParameterList(generics.ListCreateAPIView):
     """ API endpoint for accessing a list of PartParameter objects
@@ -1211,6 +1205,54 @@ class BomList(generics.ListCreateAPIView):
             except (ValueError, Part.DoesNotExist):
                 pass
 
+        """
+        Filter by 'uses'?
+
+        Here we pass a part ID and return BOM items for any assemblies which "use" (or "require") that part.
+
+        There are multiple ways that an assembly can "use" a sub-part:
+
+        A) Directly specifying the sub_part in a BomItem field
+        B) Specifing a "template" part with inherited=True
+        C) Allowing variant parts to be substituted
+        D) Allowing direct substitute parts to be specified
+
+        - BOM items which are "inherited" by parts which are variants of the master BomItem
+        """
+        uses = params.get('uses', None)
+
+        if uses is not None:
+
+            try:
+                # Extract the part we are interested in
+                uses_part = Part.objects.get(pk=uses)
+
+                # Construct the database query in multiple parts
+
+                # A) Direct specification of sub_part
+                q_A = Q(sub_part=uses_part)
+
+                # B) BomItem is inherited and points to a "parent" of this part
+                parents = uses_part.get_ancestors(include_self=False)
+
+                q_B = Q(
+                    inherited=True,
+                    sub_part__in=parents
+                )
+
+                # C) Substitution of variant parts
+                # TODO
+
+                # D) Specification of individual substitutes
+                # TODO
+
+                q = q_A | q_B
+
+                queryset = queryset.filter(q)
+
+            except (ValueError, Part.DoesNotExist):
+                pass
+
         if self.include_pricing():
             queryset = self.annotate_pricing(queryset)
 

InvenTree/part/templates/part/detail.html

@@ -388,9 +388,7 @@
                         {% if part.variant_of %}
                         <li><a class='dropdown-item' href='#' id='bom-duplicate'><span class='fas fa-clone'></span> {% trans "Copy BOM" %}</a></li>
                         {% endif %}
-                        {% if not part.is_bom_valid %}
                         <li><a class='dropdown-item' href='#' id='validate-bom'><span class='fas fa-clipboard-check icon-green'></span> {% trans "Validate BOM" %}</a></li>
-                        {% endif %}
                     </ul>
                 </div>
         
@@ -649,14 +647,10 @@
 
     // Load the "used in" tab
     onPanelLoad("used-in", function() {
-        loadPartTable('#used-table',
-            '{% url "api-part-list" %}',
-            {
-                params: {
-                    uses: {{ part.pk }},
-                },
-                filterTarget: '#filter-list-usedin',
-            }
+
+        loadUsedInTable(
+            '#used-table',
+            {{ part.pk }},
         );
     });
 

InvenTree/part/test_api.py

@@ -1123,6 +1123,59 @@ class BomItemTest(InvenTreeAPITestCase):
         response = self.get(url, expected_code=200)
         self.assertEqual(len(response.data), 5)
 
+    def test_bom_item_uses(self):
+        """
+        Tests for the 'uses' field
+        """
+
+        url = reverse('api-bom-list')
+
+        # Test that the direct 'sub_part' association works
+
+        assemblies = []
+
+        for i in range(5):
+            assy = Part.objects.create(
+                name=f"Assy_{i}",
+                description="An assembly made of other parts",
+                active=True,
+                assembly=True
+            )
+
+            assemblies.append(assy)
+
+        components = []
+
+        # Create some sub-components
+        for i in range(5):
+
+            cmp = Part.objects.create(
+                name=f"Component_{i}",
+                description="A sub component",
+                active=True,
+                component=True
+            )
+
+            for j in range(i):
+                # Create a BOM item
+                BomItem.objects.create(
+                    quantity=10,
+                    part=assemblies[j],
+                    sub_part=cmp,
+                )
+
+            components.append(cmp)
+
+            response = self.get(
+                url,
+                {
+                    'uses': cmp.pk,
+                },
+                expected_code=200,
+            )
+
+            self.assertEqual(len(response.data), i)
+
 
 class PartParameterTest(InvenTreeAPITestCase):
     """