#!/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.

"""This module contains the GHOP Task Subscription Model.

"""

__authors__ = [

  '"Madhusudan.C.S" <madhusudancs@gmail.com>',

]

from google.appengine.ext import db

import soc.models.base

import soc.modules.ghop.models.task

class GHOPTaskSubscription(soc.models.base.ModelWithFieldAttributes):

  """GHOP Subscription model for tasks.

  """

  # Property holding reference to the GHOPTask for which this subscription

  # entity exists.

  task = db.ReferenceProperty(

      reference_class=soc.modules.ghop.models.task.GHOPTask,

      required=True, collection_name='task_subscribers')

  # Property holding the list of users who are subscribed to the task.

  subscribers = db.ListProperty(item_type=db.Key, default=[])