Fix for locate item plugins (#8473)

* A hook for caching active plugins

* Add LocateItemButton

* Implement "locate" button for location detail page too

* Fix for StockApiMixin.get_serializer

- Recent refactoring removed 'path_detail' attribute

* Fix offloading of 'locate'

* Remove debug msg

* Add custom message

* Remove force_async call

* Add playwright tests

src/backend/InvenTree/plugin/base/locate/api.py

@@ -6,7 +6,7 @@ from rest_framework.generics import GenericAPIView
 from rest_framework.response import Response
 
 from InvenTree.tasks import offload_task
-from plugin.registry import registry
+from plugin.registry import call_plugin_function, registry
 from stock.models import StockItem, StockLocation
 
 
@@ -59,7 +59,7 @@ class LocatePluginView(GenericAPIView):
                 StockItem.objects.get(pk=item_pk)
 
                 offload_task(
-                    registry.call_plugin_function,
+                    call_plugin_function,
                     plugin,
                     'locate_stock_item',
                     item_pk,
@@ -78,7 +78,7 @@ class LocatePluginView(GenericAPIView):
                 StockLocation.objects.get(pk=location_pk)
 
                 offload_task(
-                    registry.call_plugin_function,
+                    call_plugin_function,
                     plugin,
                     'locate_stock_location',
                     location_pk,

src/backend/InvenTree/plugin/registry.py

@@ -159,7 +159,7 @@ class PluginsRegistry:
         # Update the registry hash value
         self.update_plugin_hash()
 
-    def call_plugin_function(self, slug, func, *args, **kwargs):
+    def call_plugin_function(self, slug: str, func: str, *args, **kwargs):
         """Call a member function (named by 'func') of the plugin named by 'slug'.
 
         As this is intended to be run by the background worker,
@@ -807,7 +807,7 @@ class PluginsRegistry:
 registry: PluginsRegistry = PluginsRegistry()
 
 
-def call_function(plugin_name, function_name, *args, **kwargs):
+def call_plugin_function(plugin_name: str, function_name: str, *args, **kwargs):
     """Global helper function to call a specific member function of a plugin."""
     return registry.call_plugin_function(plugin_name, function_name, *args, **kwargs)
 

src/backend/InvenTree/plugin/samples/integration/test_scheduled_task.py

@@ -5,7 +5,7 @@ from django.test import TestCase
 from plugin import InvenTreePlugin, registry
 from plugin.helpers import MixinImplementationError
 from plugin.mixins import ScheduleMixin
-from plugin.registry import call_function
+from plugin.registry import call_plugin_function
 
 
 class ExampleScheduledTaskPluginTests(TestCase):
@@ -67,10 +67,10 @@ class ExampleScheduledTaskPluginTests(TestCase):
     def test_calling(self):
         """Check if a function can be called without errors."""
         # Check with right parameters
-        self.assertEqual(call_function('schedule', 'member_func'), False)
+        self.assertEqual(call_plugin_function('schedule', 'member_func'), False)
 
         # Check with wrong key
-        self.assertEqual(call_function('does_not_exist', 'member_func'), None)
+        self.assertEqual(call_plugin_function('does_not_exist', 'member_func'), None)
 
 
 class ScheduledTaskPluginTests(TestCase):

src/backend/InvenTree/stock/api.py

@@ -880,6 +880,7 @@ class StockApiMixin:
 
             for key in [
                 'part_detail',
+                'path_detail',
                 'location_detail',
                 'supplier_part_detail',
                 'tests',