fix: login page i18n same with personal settings

apps/authentication/signal_handlers.py

@@ -37,7 +37,7 @@ def on_user_auth_login_success(sender, user, request, **kwargs):
         cache.set(lock_key, request.session.session_key, None)
 
     lang = request.COOKIES.get('django_language')
-    if not user.lang and lang:
+    if lang:
         user.lang = lang
 
 

apps/authentication/views/login.py

@@ -294,6 +294,19 @@ class UserLoginGuardView(mixins.AuthMixin, RedirectView):
             )
             return url
 
+    def get(self, request, *args, **kwargs):
+        from django.utils import timezone
+        response = super().get(request, *args, **kwargs)
+        try:
+            response.set_cookie(
+                settings.LANGUAGE_COOKIE_NAME,
+                request.user.lang,
+                expires=timezone.now() + timezone.timedelta(days=365)
+            )
+        except Exception:
+            pass
+        return response
+
 
 class UserLoginWaitConfirmView(TemplateView):
     template_name = 'authentication/login_wait_confirm.html'