add filter by country for carusel

apps/main/models.py

@@ -286,6 +286,10 @@ class CarouselQuerySet(models.QuerySet):
         """Active carousel objects."""
         return self.filter(active=True)
 
+    def by_country_code(self, code):
+        """Filter collection by country code."""
+        return self.filter(country__code=code)
+
 
 class Carousel(models.Model):
     """Carousel model."""

apps/main/views/common.py

@@ -67,6 +67,13 @@ class CarouselListView(generics.ListAPIView):
     permission_classes = (permissions.AllowAny,)
     pagination_class = None
 
+    def get_queryset(self):
+        country_code = self.request.country_code
+        qs = self.queryset
+        if country_code:
+            qs = qs.by_country_code(country_code)
+        return qs
+
 
 class DetermineLocation(generics.GenericAPIView):
     """Determine user's location."""