default DRF HyperLinkedIdentity Relationship fails for related fields.

Author: Alig1493

example/serializers.py

@@ -37,7 +37,7 @@ class Meta:
 
 class BlogSerializer(serializers.ModelSerializer):
     copyright = serializers.SerializerMethodField()
-    tags = TaggedItemSerializer(many=True, read_only=True)
+    tags = TaggedItemDRFSerializer(many=True, read_only=True)
 
     include_serializers = {
         'tags': 'example.serializers.TaggedItemSerializer',
@@ -173,6 +173,22 @@ class JSONAPIMeta:
         included_resources = ['comments']
 
 
+class EntryDRFSerializers(drf_serilazers.ModelSerializer):
+
+    tags = TaggedItemDRFSerializer(many=True, read_only=True)
+    blog_hyperlinked = drf_serilazers.HyperlinkedIdentityField(
+        view_name='drf-entry-blog-detail',
+        lookup_url_kwarg='entry_pk',
+        read_only=True,
+        source='blog'
+    )
+
+    class Meta:
+        model = Entry
+        fields = ('tags', 'blog', 'blog_hyperlinked',)
+        read_only_fields = ('tags',)
+
+
 class AuthorTypeSerializer(serializers.ModelSerializer):
     class Meta:
         model = AuthorType

example/tests/unit/test_default_drf_serializers.py

@@ -184,3 +184,61 @@ def test_get_object_deletes_correct_blog(client, entry):
     resp = client.delete(url)
 
     assert resp.status_code == 204
+
+
+@pytest.mark.django_db
+def test_get_entry_list_with_blogs(client, entry):
+    url = reverse('drf-entry-suggested', kwargs={'entry_pk': entry.id})
+    resp = client.get(url)
+
+    got = resp.json()
+
+    expected = {
+        'links': {
+            'first': 'http://testserver/drf-entries/1/suggested/?page=1',
+            'last': 'http://testserver/drf-entries/1/suggested/?page=1',
+            'next': None,
+            'prev': None
+        },
+        'data': [
+            {
+                'type': 'entries',
+                'id': '1',
+                'attributes': {
+
+                },
+                'relationships': {
+                    'tags': {
+                        'data': [
+
+                        ]
+                    },
+                    'blog': {
+                        'data': {
+                            'type': 'blogs',
+                            'id': '1'
+                        }
+                    },
+                    'blogHyperlinked': {
+                        'data': {
+                            'type': 'blogs',
+                            'id': '1'
+                        },
+                        'links': {
+                            'related': 'http://testserver/drf-blogs/1'
+                        }
+                    }
+                }
+            }
+        ],
+        'meta': {
+            'pagination': {
+                'page': 1,
+                'pages': 1,
+                'count': 1
+            }
+        }
+    }
+
+    assert resp.status_code == 200
+    assert got == expected

example/urls_test.py

@@ -11,6 +11,7 @@
     CommentViewSet,
     CompanyViewset,
     DRFBlogViewSet,
+    DRFEntryViewSet,
     EntryRelationshipView,
     EntryViewSet,
     FiltersetEntryViewSet,
@@ -23,7 +24,7 @@
 router = routers.DefaultRouter(trailing_slash=False)
 
 router.register(r'blogs', BlogViewSet)
-# router to test default DRF functionalities
+# router to test default DRF blog functionalities
 router.register(r'drf-blogs', DRFBlogViewSet, 'drf-entry-blog')
 router.register(r'entries', EntryViewSet)
 # these "flavors" of entries are used for various tests:
@@ -59,6 +60,10 @@
         EntryViewSet.as_view({'get': 'list'}),
         name='entry-suggested'
         ),
+    url(r'^drf-entries/(?P<entry_pk>[^/.]+)/suggested/',
+        DRFEntryViewSet.as_view({'get': 'list'}),
+        name='drf-entry-suggested'
+        ),
     url(r'entries/(?P<entry_pk>[^/.]+)/authors',
         AuthorViewSet.as_view({'get': 'list'}),
         name='entry-authors'),

example/views.py

@@ -21,6 +21,7 @@
     BlogSerializer,
     CommentSerializer,
     CompanySerializer,
+    EntryDRFSerializers,
     EntrySerializer,
     ProjectSerializer,
     ProjectTypeSerializer
@@ -104,6 +105,22 @@ def get_object(self):
         return super(EntryViewSet, self).get_object()
 
 
+class DRFEntryViewSet(viewsets.ModelViewSet):
+    queryset = Entry.objects.all()
+    lookup_url_kwarg = 'entry_pk'
+
+    def get_serializer_class(self):
+        return EntryDRFSerializers
+
+    def get_object(self):
+        # Handle featured
+        entry_pk = self.kwargs.get(self.lookup_url_kwarg, None)
+        if entry_pk is not None:
+            return Entry.objects.exclude(pk=entry_pk).first()
+
+        return super(DRFEntryViewSet, self).get_object()
+
+
 class NoPagination(PageNumberPagination):
     page_size = None