Added GraphQL Playgrounds

README.md

@@ -62,8 +62,24 @@ A plug-and-play GraphQL subscription implementation for Graphene + Django built
         ]),
     })
     ```
+
+5. Add `GraphQLSubscriptionView` to your `urls.py` file.
 
-5. Connect signals for any models you want to create subscriptions for
+    ```python
+    # your_project/urls.py
+    from django.urls import path
+    from graphene_subscriptions.views import GraphQLSubscriptionView
+
+    urlpatterns = [
+        # your urls...
+        path('graphql/', GraphQLSubscriptionView.as_view()),
+    ]
+
+    ```
+    GraphQL Playgrounds IDE is enabled by default.<br />
+    If you want to disable it you can use `GraphQLSubscriptionView.as_view(playground=False)` (`playground=True` by default)
+
+6. Connect signals for any models you want to create subscriptions for
 
     ```python
     # your_app/signals.py

graphene_subscriptions/consumers.py

@@ -79,19 +79,21 @@ def signal_fired(self, message):
 
     def _send_result(self, id, result):
         errors = result.errors
+        response = {
+                "id": id,
+                "type": "data",
+                "payload": {
+                    "data": result.data
+                }
+            }
+
+        if errors is not None:
+            response["payload"]["errors"] = list(map(str, errors))
 
         self.send(
             {
                 "type": "websocket.send",
-                "text": json.dumps(
-                    {
-                        "id": id,
-                        "type": "data",
-                        "payload": {
-                            "data": result.data,
-                            "errors": list(map(str, errors)) if errors else None,
-                        },
-                    }
-                ),
+                "text": json.dumps(response),
             }
         )
+