def contacts():
u = current_user()
all_contacts = Message.contacts(user_id=u.id)
contacts_returned = [c.json() for c in all_contacts]
contacts_returned.sort(key=lambda c: c['updated_time'])
for c in contacts_returned:
if c['receiver_id'] == u.id:
c['other'] = User.one(id=c['sender_id']).json()
elif c['sender_id'] == u.id:
c['other'] = User.one(id=c['receiver_id']).json()
# 都不满足，就会没有 other 字段
return json_succeed(
user=u.json(),
contacts=contacts_returned,
)
