Rename old parameters.

modoboa/lib/migrations/0002_rename_parameters.py

@@ -0,0 +1,45 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+APPLICATIONS = [
+    ("admin", "modoboa_admin"),
+    ("amavis", "modoboa_amavis"),
+    ("limits", "modoboa_admin_limits"),
+    ("postfix_autoreply", "modoboa_postfix_autoreply"),
+    ("postfix_relay_domains", "modoboa_admin_relaydomains"),
+    ("radicale", "modoboa_radicale"),
+    ("stats", "modoboa_stats"),
+    ("sievefilters", "modoboa_sievefilters"),
+    ("webmail", "modoboa_webmail"),
+]
+
+def rename_app_parameters(app, model):
+    """Rename all parameters for a given app."""
+    qset = model.objects.filter(name__startswith=app[0])
+    for param in qset:
+        param.name = param.name.replace(
+            "{}.".format(app[0]), "{}.".format(app[1])
+        )
+        param.save()
+
+
+def rename_parameters(apps, schema_editor):
+    """Rename old parameters."""
+    Parameter = apps.get_model("lib", "Parameter")
+    UserParameter = apps.get_model("lib", "UserParameter")
+    for app in APPLICATIONS:
+        rename_app_parameters(app, Parameter)
+        rename_app_parameters(app, UserParameter)
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('lib', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.RunPython(rename_parameters)
+    ]