fix: update user status change handling and improve test coverage

- Modified the handle_get_request function to redirect to the admin interface and provide user activation feedback.
- Updated test cases to reflect changes in response status codes and added a new test for invalid mode handling.

web/dashboard/tests/test_dashboard.py

@@ -127,8 +127,11 @@ def test_user_not_found(self):
 
     def test_get_request(self):
         response = self.client.get(reverse('admin_interface_update') + f'?user={self.user_to_test.id}&mode=change_status')
-        self.assertEqual(response.status_code, 200)
-        self.assertTrue(json.loads(response.content)['status'])
+        self.assertEqual(response.status_code, 302)
+
+    def test_get_request_with_invalid_mode(self):
+        response = self.client.get(reverse('admin_interface_update') + f'?user={self.user_to_test.id}&mode=wrong_mode')
+        self.assertEqual(response.status_code, 400)
 
     def test_post_request_update(self):
         data = {

web/dashboard/views.py

@@ -13,7 +13,7 @@
 from django.shortcuts import redirect, render, get_object_or_404
 from django.utils import timezone
 from django.utils.text import slugify
-from django.http import HttpResponseRedirect, JsonResponse
+from django.http import HttpResponseRedirect, HttpResponseBadRequest, JsonResponse
 from django.urls import reverse
 from django.template.defaultfilters import slugify
 from rolepermissions.roles import assign_role, clear_roles
@@ -237,8 +237,20 @@ def handle_get_request(request, user):
     if mode == 'change_status':
         user.is_active = not user.is_active
         user.save()
-        return JsonResponse({'status': True})
-    return JsonResponse({'status': False, 'error': 'Invalid mode'}, status=400)
+        if user.is_active:
+            messages.add_message(
+                request,
+                messages.INFO,
+                f'User {user.username} successfully activated.'
+            )
+        else:
+            messages.add_message(
+                request,
+                messages.INFO,
+                f'User {user.username} successfully deactivated.'
+            )
+        return HttpResponseRedirect(reverse('admin_interface'))
+    return HttpResponseBadRequest(reverse('admin_interface'), status=400)
 
 
 def handle_post_request(request, user):