Remove unicity constraint on app field

and choose constraint for user and app together

Author: ticosax

rest_framework_jwt/refreshtoken/migrations/0002_auto_20150515_0948.py

@@ -0,0 +1,23 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('refreshtoken', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='refreshtoken',
+            name='app',
+            field=models.CharField(max_length=255),
+        ),
+        migrations.AlterUniqueTogether(
+            name='refreshtoken',
+            unique_together=set([('user', 'app')]),
+        ),
+    ]

rest_framework_jwt/refreshtoken/models.py

@@ -25,9 +25,12 @@ class RefreshToken(models.Model):
     """
     key = models.CharField(max_length=40, primary_key=True)
     user = models.ForeignKey(AUTH_USER_MODEL, related_name='refresh_tokens')
-    app = models.CharField(max_length=255, unique=True)
+    app = models.CharField(max_length=255)
     created = models.DateTimeField(auto_now_add=True)
 
+    class Meta:
+        unique_together = ('user', 'app')
+
     def save(self, *args, **kwargs):
         if not self.key:
             self.key = self.generate_key()