[PUI] Stock Detail (#8274)

* Add "in_stock" attribute to StockItem API

* Add "unavailable" badge to StockDetail page

* Hide stock actions menu for "unavailable" stock

* Fix renderer for StockItemTable

* refactor stock table display

* Add 'date' type details field

* Disable "expiry" information on StockDetailPage

* Icon fix

* Bump API version

src/backend/InvenTree/InvenTree/api_version.py

@@ -1,13 +1,16 @@
 """InvenTree API version information."""
 
 # InvenTree API version
-INVENTREE_API_VERSION = 267
+INVENTREE_API_VERSION = 268
 
 """Increment this API version number whenever there is a significant change to the API that any clients need to know about."""
 
 
 INVENTREE_API_TEXT = """
 
+268 - 2024-10-11 : https://github.com/inventree/InvenTree/pull/8274
+    - Adds "in_stock" attribute to the StockItem serializer
+
 267 - 2024-10-8 : https://github.com/inventree/InvenTree/pull/8250
     - Remove "allocations" field from the SalesOrderShipment API endpoint(s)
     - Add "allocated_items" field to the SalesOrderShipment API endpoint(s)

src/backend/InvenTree/stock/models.py

@@ -441,6 +441,7 @@ class StockItem(
     tags = TaggableManager(blank=True)
 
     # A Query filter which will be re-used in multiple places to determine if a StockItem is actually "in stock"
+    # See also: StockItem.in_stock() method
     IN_STOCK_FILTER = Q(
         quantity__gt=0,
         sales_order=None,
@@ -1404,16 +1405,20 @@ class StockItem(
         return self.children.count()
 
     @property
-    def in_stock(self):
+    def in_stock(self) -> bool:
         """Returns True if this item is in stock.
 
-        See also: IN_STOCK_FILTER
+        See also: StockItem.IN_STOCK_FILTER for the db optimized version of this check.
         """
-        query = StockItem.objects.filter(pk=self.pk)
-
-        query = query.filter(StockItem.IN_STOCK_FILTER)
-
-        return query.exists()
+        return all([
+            self.quantity > 0,  # Quantity must be greater than zero
+            self.sales_order is None,  # Not assigned to a SalesOrder
+            self.belongs_to is None,  # Not installed inside another StockItem
+            self.customer is None,  # Not assigned to a customer
+            self.consumed_by is None,  # Not consumed by a build
+            not self.is_building,  # Not part of an active build
+            self.status in StockStatusGroups.AVAILABLE_CODES,  # Status is "available"
+        ])
 
     @property
     def can_adjust_location(self):

src/backend/InvenTree/stock/serializers.py

@@ -358,6 +358,7 @@ class StockItemSerializer(
             'customer',
             'delete_on_deplete',
             'expiry_date',
+            'in_stock',
             'is_building',
             'link',
             'location',
@@ -468,6 +469,8 @@ class StockItemSerializer(
         child=serializers.DictField(), source='location.get_path', read_only=True
     )
 
+    in_stock = serializers.BooleanField(read_only=True, label=_('In Stock'))
+
     """
     Field used when creating a stock item
     """
@@ -519,6 +522,10 @@ class StockItemSerializer(
             'supplier_part__manufacturer_part__manufacturer',
             'supplier_part__tags',
             'test_results',
+            'customer',
+            'belongs_to',
+            'sales_order',
+            'consumed_by',
             'tags',
         )