Add "external" field to StockLocation (#4377)

* Add "external" field to StockLocation

- New model for field
- Database migrations
- Serializer / API updates
- Front end tables / filters

* Update API version

InvenTree/stock/api.py

@@ -310,7 +310,8 @@ class StockLocationList(APIDownloadMixin, ListCreateAPI):
 
     filterset_fields = [
         'name',
-        'structural'
+        'structural',
+        'external',
     ]
 
     search_fields = [

InvenTree/stock/migrations/0095_stocklocation_external.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.18 on 2023-02-20 12:22
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stock', '0094_auto_20230220_0025'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='stocklocation',
+            name='external',
+            field=models.BooleanField(default=False, help_text='This is an external stock location', verbose_name='External'),
+        ),
+    ]

InvenTree/stock/models.py

@@ -122,6 +122,12 @@ class StockLocation(InvenTreeBarcodeMixin, MetadataMixin, InvenTreeTree):
             'but may be located to child locations.'),
     )
 
+    external = models.BooleanField(
+        default=False,
+        verbose_name=_('External'),
+        help_text=_('This is an external stock location')
+    )
+
     def get_location_owner(self):
         """Get the closest "owner" for this location.
 

InvenTree/stock/serializers.py

@@ -584,6 +584,7 @@ class LocationSerializer(InvenTree.serializers.InvenTreeModelSerializer):
             'owner',
             'icon',
             'structural',
+            'external',
         ]
 
         read_only_fields = [