Add backend routing for feed updates

backend/app_be/urls.py

@@ -23,7 +23,8 @@ urlpatterns = [
     path('admin/', admin.site.urls),
     url(r'^api/login', LoginClass.login),
     url(r'^getSixTweets', TwitterClass.getLastSixTweets),
-    url(r'^getTwelveTweets', TwitterClass.getLastSixTweets)
+    url(r'^getTwelveTweets', TwitterClass.getLastSixTweets),
+    url(r'feeds/<int:feed_id>', FeedViewSet.update_feed)
 ]
 
 router = DefaultRouter()

backend/app_be/views/rest_api.py

@@ -1,6 +1,6 @@
 import logging
 
-from django.http import JsonResponse
+from django.http import JsonResponse, HttpRequest
 
 from py_jwt_validator import PyJwtValidator, PyJwtException
 
@@ -68,3 +68,21 @@ class TwitterClass:
 class FeedViewSet(ModelViewSet):
     queryset = Feed.objects.all()
     serializer_class = FeedSerializer
+
+    @staticmethod
+    @api_view(['PUT'])
+    def update_feed(request: HttpRequest, feed_id):
+        logger.debug('update_feed called for feed %d', feed_id)
+        feed_instance = Feed.objects.get(pk=feed_id)
+        if 'url' in request.data:
+            feed_instance.url = request.data['url']
+        if 'active' in request.data:
+            feed_instance.active = request.data['active']
+        if 'icon' in request.data:
+            feed_instance.icon = request.FILES['icon']
+        if 'keywords' in request.data:
+            feed_instance.keywords = request.data['keywords']
+        if 'match_all_keywords' in request.data:
+            feed_instance.match_all_keywords = request.data['match_all_keywords']
+        feed_instance.save()
+        return JsonResponse(status=200, data={})