1 #!/usr/bin/python2.5

     2 #

     3 # Copyright 2009 the Melange authors.

     4 #

     5 # Licensed under the Apache License, Version 2.0 (the "License");

     6 # you may not use this file except in compliance with the License.

     7 # You may obtain a copy of the License at

     8 #

     9 #   http://www.apache.org/licenses/LICENSE-2.0

    10 #

    11 # Unless required by applicable law or agreed to in writing, software

    12 # distributed under the License is distributed on an "AS IS" BASIS,

    13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    14 # See the License for the specific language governing permissions and

    15 # limitations under the License.

    16 

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

    18 """

    19 

    20 __authors__ = [

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

    22 ]

    23 

    24 

    25 from google.appengine.ext import db

    26 

    27 import soc.models.base

    28 

    29 import soc.modules.ghop.models.task

    30 

    31 

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

    33   """GHOP Subscription model for tasks.

    34   """

    35 

    36   # Property holding reference to the GHOPTask for which this subscription

    37   # entity exists.

    38   task = db.ReferenceProperty(

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

    40       required=True, collection_name='task_subscribers')

    41 

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

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

    44