Moves product stat view logic to serializer

- Split frontend into multiple files
- Bump frontend deps
- Remove unused stuff

main/api/views.py

@@ -1,9 +1,18 @@
-from main.api.serializers import ProductSerializer
-from main.models import Product
+from rest_framework.decorators import list_route
+from rest_framework.response import Response
 from rest_framework.viewsets import ModelViewSet
 
+from main.api.serializers import ProductSerializer, ProductStatSerializer
+from main.models import Product
+
 
 class ProductViewSet(ModelViewSet):
-    # TODO: auth
     serializer_class = ProductSerializer
     queryset = Product.objects.all()
+
+    @list_route(methods=['get'])
+    def group_by_user(self, request):
+        products = self.get_queryset().filter(active=True)
+        serializer = ProductStatSerializer(products, many=True)
+
+        return Response(serializer.data)