added new lighter serializer for list of movielists

movie_manager/serializers.py

@@ -28,9 +28,18 @@ class MovieSerializer(serializers.ModelSerializer):
     def get_has_been_scheduled(self, obj):
         return Showing.objects.filter(movie_id=obj.id).exists()
 
+class MovieListListSerializer(serializers.ModelSerializer):
+    movie_count = serializers.SerializerMethodField()
+
+    class Meta:
+        model = MovieList
+        fields = ["id", "name", "owner", "public", "movie_count"]
+
+    def get_movie_count(self, obj):
+        return obj.movies.count()
+
 
 class MovieListSerializer(serializers.ModelSerializer):
-    movie_count = serializers.SerializerMethodField()
     movies = MovieSerializer(read_only=True, many=True)
     serializer_class = MovieSerializer
 
@@ -42,10 +51,8 @@ class MovieListSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = MovieList
-        fields = ["id", "name", "owner", "public", "movies", "movie_count"]
+        fields = ["id", "name", "owner", "public", "movies"]
 
-    def get_movie_count(self, obj):
-        return obj.movies.count()
 
 
 class UserSerializer(serializers.Serializer):

movie_manager/views.py

@@ -16,7 +16,7 @@ from movie_manager.serializers import (
     MovieListSerializer,
     MovieSerializer,
     ScheduleSerializer,
-    ShowingSerializer,
+    ShowingSerializer, MovieListListSerializer,
 )
 
 
@@ -55,11 +55,25 @@ class MovieViewset(viewsets.ModelViewSet):
 
 
 class MovieListViewset(viewsets.ModelViewSet):
-    queryset = MovieList.objects.prefetch_related("movies").order_by("name")
+    queryset = MovieList.objects.all()
     authentication_classes = [TokenAuthentication]
     permission_classes = [permissions.IsAuthenticated | ReadOnly]
 
-    serializer_class = MovieListSerializer
+    def get_serializer_class(self):
+        if self.action == "list":
+            return MovieListListSerializer
+        else:
+            return MovieListSerializer
+
+    def get_queryset(self):
+        if self.action == "list":
+            return MovieList.objects.filter(owner=self.request.user)
+        else:
+            return MovieList.objects.prefetch_related(
+                "movies",
+                "movies__showing_set"
+            ).order_by("name")
+
 
     def create(self, request, *args, **kwargs):
         movie_list = MovieList.objects.create(