view mixins and api_view mixins

django_user_pinned/api_views.py

@@ -0,0 +1,21 @@
+from django_user_pinned.views import PinnedViewMixin
+from rest_framework.decorators import action
+from rest_framework.serializers import Serializer
+from rest_framework.response import Response
+
+
+class PinAPIView(PinnedViewMixin):
+
+    @action(methods=['get', 'post', 'delete'], detail=True, url_path='pin', url_name='pin', serializer_class=Serializer)
+    def check_pin(self, request, *args, **kwargs):
+        instance = self.get_object()
+        method = request.method.casefold()
+        if method == 'get':
+            pin = instance.pinned
+        elif method == 'post':
+            instance.pin(self.request.user)
+            pin = True
+        else:
+            instance.unpin(self.request.user)
+            pin = False
+        return Response({'pinned': pin})

django_user_pinned/views.py

@@ -0,0 +1,3 @@
+class PinnedViewMixin:
+    def get_queryset(self, *args, **kwargs):
+        return super().get_queryset(*args, **kwargs).with_pinned(self.request.user)