1659 

  1660   def checkHasSurveyAccess(self, django_args):

  1661     """Checks if the survey specified in django_args can be taken.

  1662 

  1663     Uses survey.taking_access to map that string onto a check. Also checks for

  1664     deadline start and end.

  1665 

  1666     If the prefix is 'program', the scope of the survey is the program and

  1667     the taking_acccess attribute means:

  1668       mentor: user is mentor for the program

  1669       org_admin: user is org_admin for the program

  1670       student: user is student for the program

  1671       user: valid user on the website

  1672       public: anyone can participate in the survey

  1673     """

  1674 

  1675     if django_args['prefix'] != 'program':

  1676       # TODO : update when generic surveys are allowe

  1677       return self.deny(django_args)

  1678 

  1679     survey = survey_logic.getFromKeyFieldsOr404(django_args)

  1680 

  1681     if not timeline_helper.isActivePeriod(survey, 'survey'):

  1682       raise out_of_band.AccessViolation(message_fmt=DEF_PAGE_INACTIVE_MSG)

  1683 

  1684     role = survey.taking_access

  1685 

  1686     if role == 'public':

  1687       # TODO : are we sure we want public surveys?

  1688       return self.allow(django_args)

  1689 

  1690     if role == 'user':

  1691       return self.checkIsUser(django_args)

  1692 

  1693     django_args = django_args.copy()

  1694 

  1695     if role == 'mentor' or role == 'org_admin':

  1696       django_args['program'] = survey.scope

  1697       # program is the 'program' attribute for mentors and org_admins

  1698       return self._checkHasActiveRoleFor(django_args, mentor_logic, 'program')

  1699 

  1700     if role == 'student':

  1701       django_args['scope'] = survey.scope

  1702       # program is the 'scope' attribute for students

  1703       return self.checkHasActiveRoleForScope(django_args, student_logic)

  1704 

  1705     # unknown role

  1706     self.deny(django_args)