bug fix: if reg id is duplicate throws integrity error

Author: naviens

drf_fcm/migrations/0003_auto_20170320_0421.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.6 on 2017-03-20 04:21
+from __future__ import unicode_literals
+
+from django.conf import settings
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('drf_fcm', '0002_auto_20170316_1411'),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name='device',
+            unique_together=set([('user', 'device_id', 'reg_id')]),
+        ),
+    ]

drf_fcm/migrations/0004_auto_20170320_0429.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.6 on 2017-03-20 04:29
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('drf_fcm', '0003_auto_20170320_0421'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='device',
+            name='reg_id',
+            field=models.CharField(max_length=255, verbose_name='GCM Registration id'),
+        ),
+    ]

drf_fcm/models.py

@@ -39,7 +39,7 @@ class Device(BaseModel):
     device_id = models.CharField(verbose_name=_("Device IMEI"),
                                  max_length=50)
     reg_id = models.CharField(verbose_name=_("GCM Registration id"),
-                              max_length=255, unique=True)
+                              max_length=255)
     is_active = models.BooleanField(default=True)
     user = models.ForeignKey(AUTH_USER_MODEL, on_delete=models.CASCADE, verbose_name=_("User"))
     objects = FCMDeviceManager()
@@ -48,7 +48,7 @@ def __str__(self):
         return self.device_id
 
     class Meta:
-        unique_together = (('user', 'device_id'),)
+        unique_together = (('user', 'device_id', 'reg_id'),)
 
     def send_message(self, data):
         if self.is_active:

setup.py

@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 
 setup(name='drf-fcm',
-      version='0.4.0',
+      version='0.4.1',
       description='Firebase Cloud Messaging Server in Django Rest FrameWork',
       packages=find_packages(),
       author='Naveen Subramani',