feat(frontend): Add filter navigation remove button (#12668)

* feat(frontend): Add filter navigation remove button

* extend docs

* extract and extend labels

* add spacer

* fix test

* small fix

* remove unneeded labels

* add mechanism for not triggering on viewsets

* reduce diff for now

* fix test

---------

Co-authored-by: Oliver <oliver.henry.walters@gmail.com>

src/backend/InvenTree/common/filters.py

@@ -98,22 +98,25 @@ class TagsFilter(rest_filters.CharFilter):
     """Filter which accepts a comma-separated list of tag names and returns only objects that have ALL of the specified tags.
 
     Example usage in a FilterSet:
-        tags = TagsFilter(label=_('Tags'))
+        tags = TagsFilter()
 
     Example query:
         ?tags=apple,banana   → returns only items tagged with both 'apple' AND 'banana'
     """
 
-    def __init__(self, *args, **kwargs):
+    _is_viewset: bool = False
+
+    def __init__(self, is_viewset: bool = False, *args, **kwargs):
         """Initialize the filter."""
         if 'label' not in kwargs:
             kwargs['label'] = _('Tags')
 
+        self._is_viewset = is_viewset
         super().__init__(*args, **kwargs)
 
     def filter(self, qs, value):
         """Filter queryset to items matching all provided tag names."""
-        if not value:
+        if not value or (self._is_viewset and InvenTree.helpers.is_bool(value)):
             return qs
 
         tag_names = [t.strip() for t in value.split(',') if t.strip()]

src/backend/InvenTree/company/api.py

@@ -152,7 +152,7 @@ class ManufacturerPartFilter(FilterSet):
         field_name='manufacturer__active', label=_('Manufacturer is Active')
     )
 
-    tags = common.filters.TagsFilter(label=_('Tags'))
+    tags = common.filters.TagsFilter()
 
 
 class ManufacturerOutputOptions(OutputConfiguration):
@@ -308,7 +308,7 @@ class SupplierPartFilter(FilterSet):
         else:
             return queryset.exclude(in_stock__gt=0)
 
-    tags = common.filters.TagsFilter(label=_('Tags'))
+    tags = common.filters.TagsFilter()
 
 
 class SupplierPartOutputOptions(OutputConfiguration):

src/backend/InvenTree/order/api.py

@@ -374,6 +374,8 @@ class PurchaseOrderFilter(OrderFilter):
         """
         return queryset.filter(lines__build_order=build).distinct()
 
+    tags = common.filters.TagsFilter(is_viewset=True)
+
 
 class PurchaseOrderOutputOptions(OutputConfiguration):
     """Output options for the PurchaseOrder endpoint."""

src/backend/InvenTree/order/test_api.py

@@ -171,6 +171,9 @@ class PurchaseOrderTest(OrderTest):
         self.filter({'supplier_part': 3}, 2)
         self.filter({'supplier_part': 4}, 0)
 
+        # Filter by "tags"
+        self.filter({'tags': True}, 7)
+
     def test_total_price(self):
         """Unit tests for the 'total_price' field."""
         # Ensure we have exchange rate data

src/backend/InvenTree/stock/api.py

@@ -412,7 +412,7 @@ class StockLocationFilter(FilterSet):
 
         return queryset
 
-    tags = common.filters.TagsFilter(label=_('Tags'))
+    tags = common.filters.TagsFilter()
 
 
 class StockLocationMixin(SerializerContextMixin):
@@ -1067,7 +1067,7 @@ class StockFilter(FilterSet):
         children = loc_obj.getUniqueChildren()
         return queryset.filter(location__in=children)
 
-    tags = common.filters.TagsFilter(label=_('Tags'))
+    tags = common.filters.TagsFilter()
 
 
 class StockApiMixin(SerializerContextMixin):