implement model changes

- add new domains.apps.AppConfig to allow translatable app description for
  domains app
- link domains to a customer
- extract common functionality from domains.models.MailDomain into abstract
  domains.models.DomainBase
- add separate domains.models.HostingDomain to allow for generic external
  domains
- add new hostingpackages.models.CustomerHostingPackageDomain to assign hosting
  domains to hosting packages

gnuviechadmin/domains/__init__.py

@@ -0,0 +1,5 @@
+"""
+This app takes care of domains.
+
+"""
+default_app_config = 'domains.apps.DomainAppConfig'

gnuviechadmin/domains/apps.py

@@ -0,0 +1,17 @@
+"""
+This module contains the :py:class:`django.apps.AppConfig` instance for the
+:py:mod:`domains` app.
+
+"""
+from __future__ import unicode_literals
+from django.apps import AppConfig
+from django.utils.translation import ugettext_lazy as _
+
+
+class DomainAppConfig(AppConfig):
+    """
+    AppConfig for the :py:mod:`domains` app.
+
+    """
+    name = 'domains'
+    verbose_name = _('Domains')

gnuviechadmin/domains/migrations/0002_auto_20150124_1909.py

@@ -0,0 +1,46 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+import django.utils.timezone
+from django.conf import settings
+import model_utils.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('domains', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='HostingDomain',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('created', model_utils.fields.AutoCreatedField(default=django.utils.timezone.now, verbose_name='created', editable=False)),
+                ('modified', model_utils.fields.AutoLastModifiedField(default=django.utils.timezone.now, verbose_name='modified', editable=False)),
+                ('domain', models.CharField(unique=True, max_length=128, verbose_name='domain name')),
+                ('customer', models.ForeignKey(verbose_name='customer', blank=True, to=settings.AUTH_USER_MODEL, null=True)),
+                ('maildomain', models.OneToOneField(null=True, to='domains.MailDomain', blank=True, help_text='assigned mail domain for this domain', verbose_name='mail domain')),
+            ],
+            options={
+                'verbose_name': 'Hosting domain',
+                'verbose_name_plural': 'Hosting domains',
+            },
+            bases=(models.Model,),
+        ),
+        migrations.AddField(
+            model_name='maildomain',
+            name='customer',
+            field=models.ForeignKey(verbose_name='customer', blank=True, to=settings.AUTH_USER_MODEL, null=True),
+            preserve_default=True,
+        ),
+        migrations.AlterField(
+            model_name='maildomain',
+            name='domain',
+            field=models.CharField(unique=True, max_length=128, verbose_name='domain name'),
+            preserve_default=True,
+        ),
+    ]

gnuviechadmin/domains/models.py

@@ -1,4 +1,11 @@
+"""
+This module contains models related to domain names.
+
+"""
+from __future__ import absolute_import, unicode_literals
+
 from django.db import models
+from django.conf import settings
 from django.utils.encoding import python_2_unicode_compatible
 from django.utils.translation import ugettext as _
 
@@ -6,12 +13,54 @@ from model_utils.models import TimeStampedModel
 
 
 @python_2_unicode_compatible
-class MailDomain(TimeStampedModel, models.Model):
-    domain = models.CharField(max_length=128, unique=True)
+class DomainBase(TimeStampedModel):
+    """
+    This is the base model for domains.
 
+    """
+    domain = models.CharField(_('domain name'), max_length=128, unique=True)
+    customer = models.ForeignKey(
+        settings.AUTH_USER_MODEL, verbose_name=_('customer'), blank=True,
+        null=True)
+
+    class Meta:
+        abstract = True
+
+    def __str__(self):
+        return self.name
+
+
+@python_2_unicode_compatible
+class MailDomain(DomainBase):
+    """
+    This is the model for mail domains. Mail domains are used to configure the
+    mail servers (SMTP/IMAP/POP3). Mail addresses are assigned to these mail
+    domains.
+
+    """
     class Meta:
         verbose_name = _('Mail domain')
         verbose_name_plural = _('Mail domains')
 
     def __str__(self):
         return self.domain
+
+
+@python_2_unicode_compatible
+class HostingDomain(DomainBase):
+    """
+    This is the model for hosting domains. A hosting domain is linked to a
+    customer hosting account.
+
+    """
+    maildomain = models.OneToOneField(
+        MailDomain, verbose_name=_('mail domain'), blank=True, null=True,
+        help_text=_('assigned mail domain for this domain')
+    )
+
+    class Meta:
+        verbose_name = _('Hosting domain')
+        verbose_name_plural = _('Hosting domains')
+
+    def __str__(self):
+        return self.domain