made changed middleware and made necessary changes to settings and urls fles so that the user is redirected to their desired page after a login redirect unless the desired page was logout, in which case the user will be redirect

InvenTree/InvenTree/middleware.py

@@ -1,6 +1,9 @@
 from django.shortcuts import HttpResponseRedirect
 from django.urls import reverse_lazy
 from django.db import connection
+from django.shortcuts import redirect
+from django.conf import settings
+from django.shortcuts import redirect
 import logging
 import time
 import operator
@@ -63,8 +66,10 @@ class AuthRequiredMiddleware(object):
 
             # No authorization was found for the request
             if not authorized:
-                if not request.path_info == reverse_lazy('login') and not request.path_info.startswith('/api/'):
+                if request.path_info == reverse_lazy('logout'):
                     return HttpResponseRedirect(reverse_lazy('login'))
+                if not request.path_info == reverse_lazy('login') and not request.path_info.startswith('/api/'):
+                    return redirect('%s?next=%s' % (settings.LOGIN_URL, request.path))
 
         # Code to be executed for each request/response after
         # the view is called.

InvenTree/InvenTree/settings.py

@@ -39,6 +39,9 @@ else:
     with open(cfg_filename, 'r') as cfg:
         CONFIG = yaml.safe_load(cfg)
 
+#provide a default login url
+LOGIN_URL = "/login"
+
 # Read the autogenerated key-file
 key_file = open(os.path.join(BASE_DIR, 'secret_key.txt'), 'r')
 

InvenTree/InvenTree/urls.py

@@ -89,7 +89,7 @@ urlpatterns = [
 
     url(r'^auth/', include('rest_framework.urls', namespace='rest_framework')),
 
-    url(r'^login/', auth_views.LoginView.as_view(), name='login'),
+    url(r'^login/?', auth_views.LoginView.as_view(), name='login'),
     url(r'^logout/', auth_views.LogoutView.as_view(template_name='registration/logout.html'), name='logout'),
     
     url(r'^settings/', include(settings_urls)),