Remove SmoothNavigation Middleware

note_kfet/middlewares.py

@@ -6,32 +6,6 @@ from django.http import HttpResponseRedirect
 from urllib.parse import urlencode, parse_qs, urlsplit, urlunsplit
 
 
-class SmoothNavigationMiddleware(object):
-    """Keep `?back=` queryset parameter on POST requests."""
-    def __init__(self, get_response):
-        self.get_response = get_response
-
-    def __call__(self, request):  # noqa D102
-        response = self.get_response(request)
-
-        if isinstance(response, HttpResponseRedirect):
-            back = request.GET.get('back')
-            if back:
-                _, _, back_path, _, _ = urlsplit(back)
-                scheme, netloc, path, query_string, fragment = urlsplit(response['location'])
-                query_params = parse_qs(query_string)
-
-                if path == back_path:
-                    query_params.pop('back', None)
-                elif 'back' not in query_params:
-                    query_params['back'] = [back]
-
-                new_query_string = urlencode(query_params, doseq=True)
-                response['location'] = urlunsplit((scheme, netloc, path, new_query_string, fragment))
-
-        return response
-
-
 class TurbolinksMiddleware(object):
     """
     Send the `Turbolinks-Location` header in response to a visit that was redirected,