def post(self):
"""
文章点赞
"""
json_parser = RequestParser()
json_parser.add_argument('target',
type=parser.article_id,
required=True,
location='json')
args = json_parser.parse_args()
target = args.target
# 此次操作前，用户对文章可能是没有态度，也可能是不喜欢，需要先查询对文章的原始态度，然后对相应的统计数据进行累计或减少
atti = Attitude.query.filter_by(user_id=g.user_id,
article_id=target).first()
if atti is None:
attitude = Attitude(user_id=g.user_id,
article_id=target,
attitude=Attitude.ATTITUDE.LIKING)
db.session.add(attitude)
db.session.commit()
cache_statistic.ArticleLikingCountStorage.incr(target)
else:
if atti.attitude == Attitude.ATTITUDE.DISLIKE:
# 原先是不喜欢
atti.attitude = Attitude.ATTITUDE.LIKING
db.session.add(atti)
db.session.commit()
cache_statistic.ArticleLikingCountStorage.incr(target)
cache_statistic.ArticleDislikeCountStorage.incr(target, -1)
cache_statistic.UserLikedCountStorage.incr(g.user_id)
elif atti.attitude is None:
# 存在数据，但是无态度
atti.attitude = Attitude.ATTITUDE.LIKING
db.session.add(atti)
db.session.commit()
cache_statistic.ArticleLikingCountStorage.incr(target)
cache_statistic.UserLikedCountStorage.incr(g.user_id)
# cache_article.ArticleUserAttitudeCache(g.user_id, target).clear()
cache_user.UserArticleAttitudeCache(g.user_id).clear()
# 发送点赞通知
_user = cache_user.UserProfileCache(g.user_id).get()
_article = cache_article.ArticleInfoCache(target).get()
_data = {
'user_id': g.user_id,
'user_name': _user['name'],
'user_photo': _user['photo'],
'art_id': target,
'art_title': _article['title'],
'timestamp': int(time.time())
}
current_app.sio.emit('liking notify',
data=_data,
room=str(_article['aut_id']))
return {'target': target}, 201
def post(self):
"""
不喜欢
"""
json_parser = RequestParser()
json_parser.add_argument('target',
type=parser.article_id,
required=True,
location='json')
args = json_parser.parse_args()
target = args.target
# 此次操作前，用户对文章可能是没有态度，也可能是不喜欢，需要先查询对文章的原始态度，然后对相应的统计数据进行累计或减少
atti = Attitude.query.filter_by(user_id=g.user_id,
article_id=target).first()
if atti is None:
attitude = Attitude(user_id=g.user_id,
article_id=target,
attitude=Attitude.ATTITUDE.DISLIKE)
db.session.add(attitude)
db.session.commit()
cache_statistic.ArticleDislikeCountStorage.incr(target)
else:
if atti.attitude == Attitude.ATTITUDE.LIKING:
# 原先是喜欢
atti.attitude = Attitude.ATTITUDE.DISLIKE
db.session.add(atti)
db.session.commit()
cache_statistic.ArticleDislikeCountStorage.incr(target)
cache_statistic.ArticleLikingCountStorage.incr(target, -1)
cache_statistic.UserLikedCountStorage.incr(g.user_id, -1)
elif atti.attitude is None:
# 存在数据，但是无态度(态度被删除）
atti.attitude = Attitude.ATTITUDE.DISLIKE
db.session.add(atti)
db.session.commit()
cache_statistic.ArticleDislikeCountStorage.incr(target)
cache_user.UserArticleAttitudeCache(g.user_id).clear()
return {'target': target}, 201