disable counter for guide elements

apps/collection/models.py

@@ -174,7 +174,27 @@ class GuideQuerySet(models.QuerySet):
 
     def with_extended_related(self):
         """Return QuerySet with extended related."""
-        return self.with_base_related().prefetch_related('guideelement_set')
+        return (
+            self.with_base_related()
+                .prefetch_related(
+                models.Prefetch(
+                    'guideelement_set',
+                    queryset=GuideElement.objects.select_related(
+                        'guide_element_type',
+                        'establishment',
+                        'review',
+                        'wine_region',
+                        'product',
+                        'city',
+                        'wine_color_section',
+                        'section',
+                        'guide',
+                        'parent',
+                        'label_photo',
+                    )
+                )
+            )
+        )
 
     def by_country_id(self, country_id):
         """Return QuerySet filtered by country id."""
@@ -256,10 +276,7 @@ class GuideQuerySet(models.QuerySet):
     def annotate_present_objects_counter(self):
         """Return QuerySet with annotated field - present_objects_counter."""
         return (
-            self.annotate_restaurant_counter()
-                .annotate_shop_counter()
-                .annotate_wine_counter()
-                .annotate(
+            self.annotate(
                 present_objects_counter=(
                         models.F('restaurant_counter') +
                         models.F('shop_counter') +

apps/collection/serializers/common.py

@@ -107,10 +107,10 @@ class GuideBaseSerializer(serializers.ModelSerializer):
     guide_filters = GuideFilterBaseSerializer(read_only=True,
                                               source='guidefilter')
     # counters
-    restaurant_counter = serializers.IntegerField(read_only=True)
-    shop_counter = serializers.IntegerField(read_only=True)
-    wine_counter = serializers.IntegerField(read_only=True)
-    present_objects_counter = serializers.IntegerField(read_only=True)
+    # restaurant_counter = serializers.IntegerField(read_only=True)
+    # shop_counter = serializers.IntegerField(read_only=True)
+    # wine_counter = serializers.IntegerField(read_only=True)
+    # present_objects_counter = serializers.IntegerField(read_only=True)
     count_objects_during_init = serializers.IntegerField(read_only=True,
                                                          source='count_related_objects')
 
@@ -130,10 +130,10 @@ class GuideBaseSerializer(serializers.ModelSerializer):
             'state',
             'state_display',
             'guide_filters',
-            'restaurant_counter',
-            'shop_counter',
-            'wine_counter',
-            'present_objects_counter',
+            # 'restaurant_counter',
+            # 'shop_counter',
+            # 'wine_counter',
+            # 'present_objects_counter',
             'count_objects_during_init',
         ]
         extra_kwargs = {

apps/collection/views/back.py

@@ -29,8 +29,11 @@ class GuideBaseView(generics.GenericAPIView):
     permission_classes = get_permission_classes()
 
     def get_queryset(self):
-        """Overridden get_queryset method."""
-        return models.Guide.objects.with_extended_related().annotate_counters()
+        """An overridden get_queryset method."""
+        return (
+            models.Guide.objects.with_extended_related()
+                                # .annotate_counters()
+        )
 
 
 class GuideFilterBaseView(generics.GenericAPIView):