Remove Unique Constrain for device_id and Added User and device_id unique together

drfpasswordless/authtoken/migrations/0005_auto_20241017_1246.py

@@ -0,0 +1,24 @@
+# Generated by Django 3.2.18 on 2024-10-17 07:16
+
+from django.conf import settings
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('authtoken', '0004_auto_20240927_1224'),
+    ]
+
+    operations = [
+        migrations.RemoveConstraint(
+            model_name='token',
+            name='unique_device_id_not_null_blank',
+        ),
+        migrations.AlterUniqueTogether(
+            name='token',
+            unique_together={('user', 'device_id')},
+        ),
+    ]
+

drfpasswordless/authtoken/models.py

@@ -42,14 +42,7 @@ class Meta:
         abstract = 'drfpasswordless.authtoken' not in settings.INSTALLED_APPS
         verbose_name = _("Token")
         verbose_name_plural = _("Tokens")
-        unique_together = (('key', 'device_id'),)
-        constraints = [
-            models.UniqueConstraint(
-                fields=['device_id'],
-                name='unique_device_id_not_null_blank',
-                condition=Q(device_id__isnull=False) & ~Q(device_id='')
-            )
-        ]
+        unique_together = (('user', 'device_id'),)
 
     def save(self, *args, **kwargs):
         if not self.key: