fix(username): retrieve using Django method for custom user model com…

…patibility

Adjusted the retrieval method for usernames to cater for cases where the username might be omitted in custom user models.

django_appwrite/authentication.py

@@ -34,13 +34,15 @@ def authenticate(self, request):
         email = appwrite_settings['prefix_email'] + user_info['email']
         password = settings.SECRET_KEY + user_info['$id']
 
+        username_field = getattr(User, 'USERNAME_FIELD', 'username')
+
         # Get or create a corresponding Django user
-        django_user = User.objects.filter(username=email).first()
+        django_user = User.objects.filter(**{username_field: email}).first()
         if not django_user:
-            User.objects.create_user(username=email, password=password, email=email)
+            User.objects.create_user(**{username_field: email, 'password': password})
 
         # Ensure the user can be authenticated with Django's system
-        auth_user = authenticate(request, username=email, password=password)
+        auth_user = authenticate(request, **{username_field: email, 'password': password})
         if not auth_user:
             raise AuthenticationFailed('The user could not be authenticated with Django.')
 

django_appwrite/middleware.py

@@ -69,18 +69,18 @@ def __call__(self, request, *args, **kwargs):
 
                 email = self.prefix_email + user_info['email']
                 password = settings.SECRET_KEY + user_info['$id']
+
+                username_field = getattr(User, 'USERNAME_FIELD', 'username')
+
                 # Get the Django user by its email
-                user = User.objects.filter(username=email).first()
+                user = User.objects.filter(**{username_field: email}).first()
 
                 # If the user doesn't exist, create it
                 if not user:
-                    User.objects.create_user(
-                        username=email,
-                        password=password,
-                        email=email)
+                    User.objects.create_user(**{username_field: email, 'password': password})
 
                 # Authenticate the user using the email as the username
-                user = authenticate(request, username=email, password=password)
+                user = authenticate(request, **{username_field: email, 'password': password})
 
                 # If the authentication was successful, log the user in
                 if user: