Initial attempt at using Service Worker

- Caches facebook profile pictures and static resources
- Removes django-compressor and commited bower_components
- rest fixes

main/api/serializers.py

@@ -10,6 +10,7 @@ class ProductSerializer(ModelSerializer):
         model = Product
 
 
+
 class ProductStatSerializer(ModelSerializer):
     EXTERNAL_USER = 'Ekstern'
     counts = serializers.SerializerMethodField()
@@ -28,11 +29,9 @@ class ProductStatSerializer(ModelSerializer):
         return per_user
 
     def get_counts(self, obj):
-        per_user = OrderLine.objects\
-            .filter(product=obj)\
-            .values('order__customer__first_name', 'order__customer__last_name')\
-            .annotate(amount_total=Sum('amount'))\
-            .order_by('-amount_total')
+        name_fields = ['order__customer__first_name', 'order__customer__last_name']
+        per_user = OrderLine.objects.filter(product=obj)
+        per_user = per_user.values(*name_fields).annotate(amount_total=Sum('amount')).order_by('-amount_total')
 
         return self._format_counts(per_user)
 

main/api/views.py

@@ -1,12 +1,15 @@
+from rest_framework import mixins
 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
+from rest_framework.viewsets import GenericViewSet
 
 
-class ProductViewSet(ModelViewSet):
+class ProductViewSet(mixins.ListModelMixin,
+                     mixins.RetrieveModelMixin,
+                     GenericViewSet):
     serializer_class = ProductSerializer
     queryset = Product.objects.all()