def add():
form = request.form.to_dict()
author = current_user()
author_id = author.id
form['user_id'] = author_id
new_rep = Reply.new(form)
# 有新的回复时，更新帖子的last_active_time
t: Topic = Topic.one(id=new_rep.topic_id)
t.last_active_time = new_rep.created_time
t.last_rep_uid = author_id
t.reps = t.reps + 1
t.save()
with data_cache.pipeline(transaction=False) as pipe:
key = 'topic_id_{}.replies'.format(t.id)
key2 = 'topic_id_{}.topic_info'.format(t.id)
pipe.delete(key)
pipe.delete(key2)
pipe.execute()
inform_at(t, new_rep.content, author)
if author.id != t.user_id:
# 如果是回复他人的帖子，则对主题主人发系统信息通知
Info.send(title='{}刚刚回复了您的主题'.format(author.username),
receiver_id=t.user_id,
content='{}在您的主题{} 中发表了一个新回复,查看：\n\r{}/topic/{}'
.format(author.username, t.title, web_domain_name, t.id))
key = 'user_id_{}.received_info'.format(t.user_id)
data_cache.delete(key)
return redirect(url_for('my_topic.detail', topic_id=new_rep.topic_id))
def inform_at(topic, checked_content, caller):
# topic:@ 发生的topic
# check_content:需要检查 @ 发生的文本
# caller:发送 @ 的用户
# 检查当前topic中的正文或评论中是否有用户使用@功能，有的话则发站内信提醒被@的用户。
called_users = at_users(checked_content)
with data_cache.pipeline(transaction=False) as pipe:
for called_user in called_users:
Info.send(title='{}@了你，快去看看吧。'.format(caller.username),
content='用户{}@了你，点击{}/topic/{}查看。'.format(
caller.username, web_domain_name, topic.id),
receiver_id=called_user.id)
key = 'user_id_{}.received_info'.format(called_user.id)
pipe.delete(key)
pipe.execute()
