#!/usr/bin/python2.5

#

# Copyright 2008 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.

"""The WorksAuthors Model links one author (Role) to one Work."""

__authors__ = [

  '"Todd Larsen" <tlarsen@google.com>',

]

from google.appengine.ext import db

import soc.models.role

import soc.models.work

class WorksAuthors(db.Model):

  """Model linking one Work to its author Role.

  """

  #: the Role end of a single 1:1 link in the many:many relationship

  #: between Works and Roles

  author = db.ReferenceProperty(reference_class=soc.models.role.Role,

                                required=True, collection_name='authors')

  #: the Work end of a single 1:1 link in the many:many relationship

  #: between Works and Roles

  work = db.ReferenceProperty(reference_class=soc.models.work.Work,

                              required=True, collection_name='works')