def is_following_user(uid,uid_to):
if type(uid_to) == types.IntType:
_count = db.session.query(UserFollowAsso.id).\
filter(db.and_(UserFollowAsso.user_id == uid,UserFollowAsso.user_id_to == uid_to)).count()
return True if _count > 0 else False
elif type(uid_to) == types.ListType:
follow_uids = db.session.query(UserFollowAsso.user_id_to).\
filter(db.and_(UserFollowAsso.user_id == uid,UserFollowAsso.user_id_to.in_(uid_to))).all()
follow_uids = [u[0] for u in follow_uids]
ret_list = [(ret,ret in follow_uids) for ret in uid_to]
return dict(ret_list)
def is_like_post(uid, post_id):
if type(post_id) == types.IntType:
_count = db.session.query(UserLikeAsso.id).\
filter(db.and_(UserLikeAsso.user_id == uid,
UserLikeAsso.post_id == post_id)).count()
return True if _count > 0 else False
elif type(post_id) == types.ListType:
liked_post_ids = db.session.query(UserLikeAsso.post_id).\
filter(db.and_(UserLikeAsso.user_id == uid,
UserLikeAsso.post_id.in_(post_id))).all()
liked_post_ids = [p[0] for p in liked_post_ids]
ret_list = [(ret, ret in liked_post_ids) for ret in post_id]
return dict(ret_list)
def is_like_post(uid,post_id):
if type(post_id) == types.IntType:
_count = db.session.query(UserLikeAsso.id).\
filter(db.and_(UserLikeAsso.user_id == uid,
UserLikeAsso.post_id == post_id)).count()
return True if _count > 0 else False
elif type(post_id) == types.ListType:
liked_post_ids = db.session.query(UserLikeAsso.post_id).\
filter(db.and_(UserLikeAsso.user_id == uid,
UserLikeAsso.post_id.in_(post_id))).all()
liked_post_ids = [p[0] for p in liked_post_ids]
ret_list = [(ret,ret in liked_post_ids) for ret in post_id]
return dict(ret_list)
def unfollow_user(fid,tid):
assert_error(all([type(_id) == types.IntType for _id in [fid,tid]]),'ParamError')
asso = UserFollowAsso.query.filter(db.and_(UserFollowAsso.user_id==fid,UserFollowAsso.user_id_to==tid)).\
first()
if asso is None:
return
try:
db.session.delete(asso)
db.session.commit()
except:
db.session.rollback()
raise
else:
return True
