def rewind(user):
"""
撤销上一次滑动操作记录
撤销上一次创建的好友关系
:param user:
:return:
"""
key = cache_keys.SWIPE_LIMIT_PREFIX.format(user.id)
swipe_times = cache.get(key, 0)
if swipe_times >= config.SWIPE_LIMIT:
raise errors.SwipeLimitError
swipe = Swiped.objects.filter(uid=user.id).latest('created_at')
if swipe.mark in ['lke', 'superlike']:
Friend.cancel_friends(swipe.uid, swipe.sid)
swipe.delete()
now = datetime.datetime.now()
timeout = (24 * 60 * 60) - now.hour * 3600 - now.minute * 60 - now.second
# n = int(time.time())
# timeout = 86400 - (n+ 8*3600) % 86400
cache.set(key, swipe_times + 1, timetout=timeout)
def rewind(user):
"""
撤销当前登录用户的上传一次滑动操作
每天只能撤销三次
:param user:
:return:
"""
key = config.REWIND_CACHE_PREFIX % user.id
rewind_times = cache.get(key, 0)
if rewind_times >= config.REWIND_TIMES:
raise errors.RewindLimitError
swipe = Swiped.objects.filter(uid=user.id).latest('created_at')
if swipe.mark in ['like', 'superlike']:
Friend.cancel_friends(user.id, swipe.sid)
sub_swipe_score(swipe.mark, swipe.sid)
swipe.delete()
now = datetime.datetime.now()
timeout = 86400 - now.hour * 3600 - now.minute * 60 - now.second
cache.set(key, rewind_times + 1, timeout=timeout)
