def unsubscribe_from_anime(self, anime_doc_id: str):
try:
anime = client.query(
q.get(q.ref(q.collection(animes), anime_doc_id)))
client.query(
q.let(
{
'anime_ref':
q.ref(q.collection(animes), anime_doc_id),
'bot_user':
q.ref(q.collection(users), self.chat_id),
'followers':
q.select(['data', 'followers'],
q.get(q.var('anime_ref'))),
},
q.do(
q.update(
q.var('anime_ref'), {
'data': {
'followers': q.subtract(
q.var('followers'), 1)
}
}),
q.update(
q.var('bot_user'), {
'data': {
'animes_watching':
q.filter_(
q.lambda_(
'watched_anime_ref',
q.not_(
q.equals(
q.var('watched_anime_ref'),
q.var('anime_ref')))),
q.select(['data', 'animes_watching'],
q.get(q.var('bot_user'))))
}
}),
q.if_(q.equals(q.var('followers'), 1),
q.delete(q.var('anime_ref')), 'successful!'))))
updater.bot.send_message(chat_id=self.chat_id,
text='You have stopped following ' +
anime['data']['title'])
except errors.NotFound:
logger.info(
'Somehow, a user {0} almost unsubscribed from an anime that did not exist'
.format(self.chat_id))
except Exception as err:
log_error(err)
def test_not_expr(self):
self.assertJson(query.not_(False), '{"not":false}')
def test_not(self):
self.assertFalse(self._q(query.not_(True)))
self.assertTrue(self._q(query.not_(False)))