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
def _attend(self):
if not self.get_activity_access().can_attend():
message = "Current user cannot attend the activity."
logging.error(message)
raise BadRequestError(self.request, message)
try:
with_friends = int(self.request.POST.get("with_friends", 0))
except (TypeError, ValueError):
with_friends = 0
attender = Attender.create(
activity=self.get_activity(),
user=self.current_user,
with_friends=with_friends
)
attender.save()
def update_data(self, data):
data["attenders"] = Attender.find_by_activity(self.get_activity())
return super(ViewAttenders, self).update_data(data)