Issue graphql-python#1111: foreign key should also call get_queryset method

Author: Thomas Leonard

graphene_django/converter.py

@@ -275,7 +275,24 @@ def dynamic_type():
         if not _type:
             return
 
-        return Field(
+        class CustomField(Field):
+            def wrap_resolve(self, parent_resolver):
+                """
+                Implements a custom resolver which go through the `get_node` method to insure that
+                it goes through the `get_queryset` method of the DjangoObjectType.
+                """
+                resolver = super().wrap_resolve(parent_resolver)
+
+                def custom_resolver(root, info, **args):
+                    fk_obj = resolver(root, info, **args)
+                    if fk_obj is None:
+                        return None
+                    else:
+                        return _type.get_node(info, fk_obj.pk)
+
+                return custom_resolver
+
+        return CustomField(
             _type,
             description=get_django_field_description(field),
             required=not field.null,

graphene_django/tests/models.py

@@ -13,7 +13,9 @@ class Person(models.Model):
 class Pet(models.Model):
     name = models.CharField(max_length=30)
     age = models.PositiveIntegerField()
-
+    owner = models.ForeignKey(
+        "Person", on_delete=models.CASCADE, null=True, blank=True, related_name="pets"
+    )
 
 class FilmDetails(models.Model):
     location = models.CharField(max_length=30)
@@ -91,8 +93,8 @@ class Meta:
 
 class Article(models.Model):
     headline = models.CharField(max_length=100)
-    pub_date = models.DateField()
-    pub_date_time = models.DateTimeField()
+    pub_date = models.DateField(auto_now_add=True)
+    pub_date_time = models.DateTimeField(auto_now_add=True)
     reporter = models.ForeignKey(
         Reporter, on_delete=models.CASCADE, related_name="articles"
     )