def insert_user(user): #OK
"""
Inserts a user in the db. Returns False if there is already a user in the
db with that username.
"""
debug("CREATE USER :"******"\tUser successfully created")
return get_user(username)
else:
debug("\tUser creation failed")
return False
def _vote(post_id, voting_user, positive): #OK
""" Private method for handling postivite and negative votes. """
post_id = str(post_id)
debug("VOTE POSITIVE. user:"******", post:" + post_id)
if _is_post_created(post_id) and _is_user_created(voting_user):
debug("\t CURRENT VOTES of USER.")
debug("\t\t-user: "******"\t\t-voted to: " + str(db.smembers(voting_user + APPEND_KEY_HAS_VOTED)))
# Check if the user can vote
if db.sismember(voting_user + APPEND_KEY_HAS_VOTED, post_id) == 0:
vote_id = db.hget(post_id + APPEND_KEY_POSTS, KEY_VOTES)
debug("\t vote_id: " + str(vote_id))
pipe = db.pipeline()
if positive:
pipe.incr(vote_id + APPEND_KEY_VOTE)
else:
pipe.decr(vote_id + APPEND_KEY_VOTE)
pipe.sadd(voting_user + APPEND_KEY_HAS_VOTED, post_id)
pipe.execute()
return True
else:
return False
else:
return None
def _insert_post_last_updates(post_id):
""" Insert post to the global capped list of last updated posts. """
pipe = db.pipeline()
pipe.lpush(GLOBAL_POST_UPDATE_ID, post_id)
pipe.ltrim(GLOBAL_POST_UPDATE_ID, 0, API_MAX_UPDATES -1)
pipe.execute()
