Merge branch 'feature/content-pages' into 'develop'

Added 404 pages

See merge request gm/gm-backend!236

apps/news/views.py

@@ -1,5 +1,6 @@
 """News app views."""
 from django.conf import settings
+from django.http import Http404
 from django.shortcuts import get_object_or_404
 from django.utils import translation
 from rest_framework import generics, permissions, response
@@ -40,8 +41,14 @@ class NewsMixinView:
         return qs
 
     def get_object(self):
-        return self.get_queryset() \
-            .filter(slugs__values__contains=[self.kwargs['slug']]).first()
+        instance = self.get_queryset().filter(
+            slugs__values__contains=[self.kwargs['slug']]
+        ).first()
+
+        if instance is None:
+            raise Http404
+
+        return instance
 
 
 class NewsListView(NewsMixinView, generics.ListAPIView):