def skip_task(cls, contest_id, user_id, task_id):
entry = cls.get_entry(contest_id, user_id, task_id)
p = Participation.get_entry(contest_id, user_id)
can_skip = p.skips_left > 0 and entry.can_skip()
if can_skip:
entry.skipped = True
entry.save()
p.skip_task()
LogEntry.skip_task(contest_id, user_id, task_id)
else:
raise IntegrityError
def solve_task(cls, contest_id, user_id, task_id):
entry = cls.get_entry(contest_id, user_id, task_id)
if not entry.solved:
if entry.skipped == True:
score = cls.SKIPPED
else:
score = cls.FULL
entry.score = score
entry.solved = True
entry._try_task()
p = Participation.get_entry(contest_id, user_id)
p.increment_score(score)
LogEntry.solve_task(contest_id, user_id, task_id)
else:
raise IntegrityError
def unregister_user(self, user_id):
if self.state == Contest.UNASSIGNED:
Participation.get_entry(self.id, user_id).delete()
else:
raise ContestStartedException(self)
def unregister_user(self, user_id):
if self.state == Contest.UNASSIGNED:
Participation.get_entry(self.id, user_id).delete()
else:
raise ContestStartedException(self)