implement adding websites

- implement websites.models.Website
- add migration
- implement websites.views.AddWebsite
- implement websites.forms.AddWebsiteForm
- define URL pattern 'add_website' in websites.urls
- register Website model in websites.admin
- add templates websites/base.html and websites/website_create.html
- add german translation for new strings
- add website URLs to gnuviechadmin.urls
- add websites to INSTALLED_APPS
- add changelog entry

gnuviechadmin/websites/models.py

@@ -1,3 +1,37 @@
-from django.db import models
+"""
+This module defines the database models for website handling.
 
-# Create your models here.
+"""
+from __future__ import absolute_import, unicode_literals
+
+from django.db import models
+from django.utils.encoding import python_2_unicode_compatible
+from django.utils.translation import ugettext as _
+
+from domains.models import HostingDomain
+from osusers.models import User as OsUser
+
+
+@python_2_unicode_compatible
+class Website(models.Model):
+    """
+    This is the model for a website.
+
+    """
+    subdomain = models.CharField(
+        _('sub domain'), max_length=64)
+    osuser = models.ForeignKey(
+        OsUser, verbose_name=_('operating system user'))
+    domain = models.ForeignKey(
+        HostingDomain, verbose_name=_('domain'))
+    wildcard = models.BooleanField(_('wildcard'), default=False)
+
+    class Meta:
+        unique_together = [('domain', 'subdomain')]
+        verbose_name = _('website')
+        verbose_name_plural = _('websites')
+
+    def __str__(self):
+        return "{subdomain}.{domain}".format(
+            subdomain=self.subdomain, domain=self.domain.domain
+        )