Unique together remplace unique

cotisations/migrations/0027_auto_20171029_1156.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.7 on 2017-10-29 10:56
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cotisations', '0026_auto_20171028_0126'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='article',
+            name='name',
+            field=models.CharField(max_length=255),
+        ),
+    ]

cotisations/models.py

@@ -246,7 +246,7 @@ class Article(models.Model):
         ('All', 'All'),
     )
 
-    name = models.CharField(max_length=255, unique=True)
+    name = models.CharField(max_length=255)
     prix = models.DecimalField(max_digits=5, decimal_places=2)
     duration = models.PositiveIntegerField(
         help_text="Durée exprimée en mois entiers",
@@ -266,6 +266,8 @@ class Article(models.Model):
         max_length=255
     )
 
+    unique_together = ('name', 'type_user')
+
     def clean(self):
         if self.name.lower() == "solde":
             raise ValidationError("Solde est un nom d'article invalide")