email login, fixing bulk

rowers/backends.py

@@ -1,6 +1,10 @@
 from rules.permissions import ObjectPermissionBackend
 from rowers.models import User
 
+from django.contrib.auth import get_user_model  # gets the user_model django  default or your own custom
+from django.contrib.auth.backends import ModelBackend
+from django.db.models import Q
+
 class MyObjectPermissionBackend(ObjectPermissionBackend):
     def user_can_authenticate(self, user):
         return getattr(user, "is_active", True)
@@ -11,4 +15,31 @@ class MyObjectPermissionBackend(ObjectPermissionBackend):
         except User.DoesNotExist:
             return None
         return user if self.user_can_authenticate(user) else None
+
+class EmailLoginBackend(ModelBackend):
+    def user_can_authenticate(self, user):
+        return getattr(user, "is_active", True)
+    
+    def authenticate(self, request, username=None, password=None, **kwargs):
+        try:
+            user = User.objects.filter(
+                Q(username__iexact=username) |
+                Q(email__iexact=username)
+            ).distinct()
+        except User.DoesNotExist:
+            return None
+
+        if user.exists():
+            user_obj = user.first()
+            if user_obj.check_password(password) and user_obj.is_active:
+                return user_obj
+            return None
+        else:
+            return None
+
+    def get_user(self, user_id):
+        try:
+            return User.objects.get(pk=user_id)
+        except User.DoesNotExist:
+            return None