#!/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)