#!/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.

"""ProjectSurveyRecord allows linking two result sets by StudentProject.

"""

__authors__ = [

  '"Daniel Diniz" <ajaksu@gmail.com>',

  '"Lennard de Rijk" <ljvderijk@gmail.com>',

]

from google.appengine.ext import db

from soc.models.survey_record import SurveyRecord

from soc.models.project_survey import ProjectSurvey

import soc.models.student_project

#TODO decide if this should inherit from BaseSurveyRecord

class ProjectSurveyRecord(SurveyRecord):

  """Record linked to a Project, enabling to store which Projects had their

  Survey done.

  """

  #: The survey for which this entity is a record.

  project_survey = db.ReferenceProperty(ProjectSurvey,

                                collection_name="project_survey_records")

  #: Reference to the Project that this record belongs to.

  project = db.ReferenceProperty(soc.models.student_project.StudentProject,

                                 collection_name="survey_records")

  def getSurvey(self):

    """Returns the ProjectSurvey that belongs to this record.

    """

    return self.project_survey