#!/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.

"""This module contains the Program Model.
"""

__authors__ = [
  '"Sverre Rabbelier" <sverre@rabbelier.nl>',
]


from google.appengine.ext import db

from django.utils.translation import ugettext_lazy

import soc.models.presence
import soc.models.timeline


class Program(soc.models.presence.Presence):
  """The Program model, representing a Program ran by a Sponsor.
  """

  #: Required field storing name of the group.
  name = db.StringProperty(required=True,
      verbose_name=ugettext_lazy('Name'))
  name.help_text = ugettext_lazy('Complete, formal name of the program.')
  name.example_text = ugettext_lazy('Google Summer of Code 2009')

  #: Required field storing short name of the group.
  #: It can be used for displaying group as sidebar menu item.
  short_name = db.StringProperty(required=True,
      verbose_name=ugettext_lazy('Short name'))
  short_name.help_text = ugettext_lazy('Short name used for sidebar menu')
  short_name.example_text = ugettext_lazy('GSoC 2009')

  #: Optional field used to relate it to other programs
  #: For example, GSoC would be a group label for GSoC2008/GSoC2009
  group_label = db.StringProperty(
      verbose_name=ugettext_lazy('Group label'))
  group_label.help_text = ugettext_lazy(
      'Optional name used to relate this program to others.')
  group_label.example_text = ugettext_lazy('GSoC')

  #: Required field storing description of the group.
  description = db.TextProperty(required=True,
      verbose_name=ugettext_lazy('Description'))
  description.example_text = ugettext_lazy('This is the program for GSoC 2009')
  
  #: Required field storing the type of workflow this program has
  workflow = db.StringProperty(required=True,
      choices=['gsoc', 'ghop'],
      verbose_name= ugettext_lazy('Workflow type'))
  workflow.example_text = ugettext_lazy('Project-based for GSoC workflow type, ' 
      'task-based for GHOP workflow type')

  #: Required 1:1 relationship indicating the Program the Timeline
  #: belongs to.
  timeline = db.ReferenceProperty(reference_class=soc.models.timeline.Timeline,
                                 required=True, collection_name="program",
                                 verbose_name=ugettext_lazy('Timeline'))