implement setup of new user databases

- implement userdbs.forms.AddUserDatabaseForm
- implement userdbs.views.AddUserDatabase
- add new URL pattern 'add_userdatabase' in userdbs.urls
- add templates userdbs/base.html and userdbs/userdatabase_create.html
- add generated code documentation for new modules

gnuviechadmin/userdbs/views.py

@@ -0,0 +1,64 @@
+"""
+This module defines views for user database handling.
+
+"""
+from __future__ import absolute_import, unicode_literals
+
+from django.shortcuts import redirect
+from django.utils.translation import ugettext as _
+from django.views.generic.edit import (
+    CreateView,
+)
+from django.contrib import messages
+
+from gvacommon.viewmixins import StaffOrSelfLoginRequiredMixin
+from gvawebcore.views import HostingPackageAndCustomerMixin
+
+from .forms import (
+    AddUserDatabaseForm,
+)
+from .models import (
+    DB_TYPES,
+    UserDatabase,
+)
+
+
+class AddUserDatabase(
+    HostingPackageAndCustomerMixin, StaffOrSelfLoginRequiredMixin, CreateView
+):
+    """
+    This view is used to setup new user databases.
+
+    """
+    model = UserDatabase
+    context_object_name = 'database'
+    template_name_suffix = '_create'
+    form_class = AddUserDatabaseForm
+
+    def _get_dbtypes(self, hostingpackage):
+        retval = []
+        db_options = hostingpackage.get_databases()
+        for opt in db_options:
+            dbs_of_type = UserDatabase.objects.filter(
+                db_user__osuser=hostingpackage.osuser,
+                db_user__db_type=opt['db_type']).count()
+            if dbs_of_type < opt['number']:
+                retval.append((opt['db_type'], DB_TYPES[opt['db_type']]))
+        return retval
+
+    def get_form_kwargs(self):
+        kwargs = super(AddUserDatabase, self).get_form_kwargs()
+        kwargs['hostingpackage'] = self.get_hosting_package()
+        kwargs['dbtypes'] = self._get_dbtypes(kwargs['hostingpackage'])
+        return kwargs
+
+    def form_valid(self, form):
+        userdatabase = form.save()
+        messages.success(
+            self.request,
+            _('Successfully create new {type} database {dbname} for user '
+              '{dbuser}').format(
+                  type=userdatabase.db_user.db_type,
+                  dbname=userdatabase.db_name, db_user=userdatabase.db_user)
+        )
+        return redirect(self.get_hosting_package())