def can_quit(self):
if self._activity.is_past:
return False
if not self._user:
return False
attender = Attender.get_unique(activity=self._activity, user=self._user)
return attender is not None
def _quit(self):
if not self.get_activity_access().can_quit():
message = "Current user cannot quit the activity."
logging.error(message)
raise BadRequestError(self.request, message)
attender = Attender.get_unique(activity=self.get_activity(), user=self.current_user)
if not attender:
message = "Cannot find attender for current user."
logging.error(message)
raise BadRequestError(self.request, message)
attender.delete()
def can_attend(self):
if self._activity.is_past or self._activity.is_closed:
return False
if not self._user:
return False
if not self._group_access.member or not self._group_access.member.is_approved:
return False
if self._activity.places and self._activity.headcount >= self._activity.places:
return False
attender = Attender.get_unique(activity=self._activity, user=self._user)
return attender is None
