app/soc/logic/models/request.py
author Lennard de Rijk <ljvderijk@gmail.com>
Tue, 14 Jul 2009 18:35:20 +0200
changeset 2647 69ac7307bb50
parent 1954 7aef36e912bb
child 2678 a525a55833f1
permissions -rw-r--r--
Added task to send out email for each processed GradingRecord. If send_mail evaluates to True in the POST data for updateProjectsForSurveyGroup task then the results of every GradingRecord will be mailed to the Student. The Mentor and Org Admins will be cc'ed.

#!/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.

"""Request (Model) query functions.
"""

__authors__ = [
  '"Sverre Rabbelier" <sverre@rabbelier.nl>',
  '"Lennard de Rijk" <ljvderijk@gmail.com>'
  ]

import soc.models.request

from soc.logic.helper import notifications
from soc.logic.models import base
from soc.logic.models import linkable as linkable_logic


class Logic(base.Logic):
  """Logic methods for the Request model.
  """

  def __init__(self, model=soc.models.request.Request,
               base_model=None, scope_logic=linkable_logic):
    """Defines the name, key_name and model for this entity.
    """

    super(Logic, self).__init__(model, base_model=base_model,
                                scope_logic=scope_logic)

  def getKeyValuesFromEntity(self, entity):
    """See base.Logic.getKeyNameValues.
    """

    return [entity.scope.link_id, entity.role, entity.link_id]

  def getKeyValuesFromFields(self, fields):
    """See base.Logic.getKeyValuesFromFields.
    """

    return [fields['scope_path'], fields['role'], fields['link_id']]

  def getKeyFieldNames(self):
    """See base.Logic.getKeyFieldNames.
    """

    return ['scope_path', 'role', 'link_id']

  def _onCreate(self, entity):
    """Sends out a message notifying users about the new invite/request.
    """

    if entity.status == 'group_accepted':
      # this is an invite
      notifications.sendInviteNotification(entity)
    elif entity.status == 'new':
      # this is a request
      # TODO(Lennard) Create a new request message
      pass

    super(Logic, self)._onCreate(entity)

  def _updateField(self, entity, entity_properties, name):
    """Called when the fields of the request are updated.

      Sends out a message depending on the change of status.
    """

    value = entity_properties[name]

    if name == 'status' and entity.status != value:
      if value == 'group_accepted':
       # this is an invite
        notifications.sendInviteNotification(entity)
      elif value == 'new':
        # this is a request
        # TODO(Lennard) Create a new request message
        pass

    return super(Logic, self)._updateField(entity, entity_properties, name)


logic = Logic()