Render only useful content when displaying modals

tfjm/middlewares.py

@@ -52,3 +52,16 @@ class SessionMiddleware(object):
         _set_current_user_and_ip(None, None, None)
 
         return response
+
+
+class FetchMiddleware(object):
+    """
+    This middleware let requests to know when this was called by a fetch command or not.
+    """
+
+    def __init__(self, get_response):
+        self.get_response = get_response
+
+    def __call__(self, request):
+        request.content_only = 'CONTENT_ONLY' in request.headers
+        return self.get_response(request)