mv spanning FK to core

diff --git a/app/organization/core/related.py b/app/organization/core/related.py
new file mode 100644 (file)
index 0000000..5b1affb
--- /dev/null
+++ b/app/organization/core/related.py
@@ -0,0 +1,32 @@
+from django.core import exceptions
+from django.db.models.fields.related import ForeignKey
+from django.db.utils import ConnectionHandler, ConnectionRouter
+
+connections = ConnectionHandler()
+router = ConnectionRouter()
+
+
+class SpanningForeignKey(ForeignKey):
+
+    def validate(self, value, model_instance):
+        if self.rel.parent_link:
+            return
+        # Call the grandparent rather than the parent to skip validation
+        super(ForeignKey, self).validate(value, model_instance)
+        if value is None:
+            return
+
+        using = router.db_for_read(self.rel.to, instance=model_instance)
+        qs = self.rel.to._default_manager.using(using).filter(
+            **{self.rel.field_name: value}
+        )
+        qs = qs.complex_filter(self.get_limit_choices_to())
+        if not qs.exists():
+            raise exceptions.ValidationError(
+                self.error_messages['invalid'],
+                code='invalid',
+                params={
+                    'model': self.rel.to._meta.verbose_name, 'pk': value,
+                    'field': self.rel.field_name, 'value': value,
+                },  # 'pk' is included for backwards compatibility
+            )

diff --git a/app/organization/festival/related.py b/app/organization/festival/related.py
deleted file mode 100644 (file)
index 5b1affb..0000000
--- a/app/organization/festival/related.py
+++ /dev/null
@@ -1,32 +0,0 @@
-from django.core import exceptions
-from django.db.models.fields.related import ForeignKey
-from django.db.utils import ConnectionHandler, ConnectionRouter
-
-connections = ConnectionHandler()
-router = ConnectionRouter()
-
-
-class SpanningForeignKey(ForeignKey):
-
-    def validate(self, value, model_instance):
-        if self.rel.parent_link:
-            return
-        # Call the grandparent rather than the parent to skip validation
-        super(ForeignKey, self).validate(value, model_instance)
-        if value is None:
-            return
-
-        using = router.db_for_read(self.rel.to, instance=model_instance)
-        qs = self.rel.to._default_manager.using(using).filter(
-            **{self.rel.field_name: value}
-        )
-        qs = qs.complex_filter(self.get_limit_choices_to())
-        if not qs.exists():
-            raise exceptions.ValidationError(
-                self.error_messages['invalid'],
-                code='invalid',
-                params={
-                    'model': self.rel.to._meta.verbose_name, 'pk': value,
-                    'field': self.rel.field_name, 'value': value,
-                },  # 'pk' is included for backwards compatibility
-            )