Fix : possibilité de mettre plusieurs clefs radius sans crash

preferences/migrations/0065_auto_20191010_1227.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.23 on 2019-10-10 10:27
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('preferences', '0064_auto_20191008_1335'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='radiuskey',
+            name='default_switch',
+            field=models.BooleanField(default=False, help_text='Default key for switches'),
+        ),
+    ]

preferences/models.py

@@ -330,8 +330,7 @@ class RadiusKey(AclMixin, models.Model):
         help_text=_("Comment for this key")
     )
     default_switch = models.BooleanField(
-        default=True,
+        default=False,
-        unique=True,
         help_text=_("Default key for switches")
     )
 
@@ -342,6 +341,13 @@ class RadiusKey(AclMixin, models.Model):
         verbose_name = _("RADIUS key")
         verbose_name_plural = _("RADIUS keys")
 
+    def clean(self):
+        """Clean model:
+        Check default switch is unique
+        """
+        if RadiusKey.objects.filter(default_switch=True).count() > 1:
+            raise ValidationError(_("Default radiuskey for switchs already exist"))
+
     def __str__(self):
         return _("RADIUS key ") + str(self.id) + " " + str(self.comment)