--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/soc/modules/ghop/logic/helper/notifications.py	Fri Aug 28 12:57:12 2009 +0200
@@ -0,0 +1,77 @@
+#!/usr/bin/python2.5
+#
+# Copyright 2009 the Melange authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Appengine Tasks related to GHOPTask.
+"""
+
+__authors__ = [
+    '"Madhusudan.C.S" <madhusudancs@gmail.com>'
+  ]
+
+
+import os
+import time
+
+from django.template import loader
+from django.utils.encoding import force_unicode
+
+from soc.logic import accounts
+from soc.logic import dicts
+from soc.logic import mail_dispatcher
+
+
+def sendTaskUpdateMail(subscriber, subject, message_properties=None):
+  """Sends an email to a user about an update to a Task.
+
+    Args:
+      subscriber: The user entity to whom the message must be sent
+      subject: Subject of the mail
+      message_properties: The mail message properties
+      template: Optional django template that is used to build the message body
+  """
+
+  from soc.logic.models.site import logic as site_logic
+
+  site_entity = site_logic.getSingleton()
+  site_name = site_entity.site_name
+
+  # get the default mail sender
+  default_sender = mail_dispatcher.getDefaultMailSender()
+
+  if not default_sender:
+    # no valid sender found, abort
+    return
+  else:
+    (sender_name, sender) = default_sender
+
+  to = accounts.denormalizeAccount(subscriber.account).email()
+
+  # create the message contents
+  new_message_properties = {
+      'to_name': subscriber.name,
+      'sender_name': sender_name,
+      'to': to,
+      'sender': sender,
+      'site_name': site_name,
+      'subject': force_unicode(subject),
+      }
+
+  messageProperties = dicts.merge(message_properties, new_message_properties)
+
+  template = 'modules/ghop/task/update_notification'
+
+  # send out the message using the default new notification template
+  mail_dispatcher.sendMailFromTemplate(template, messageProperties)