def check_login(token):
if token == 'none':
return False
session = Session()
check = session.query(exists().where(TokenTable.token==token))
session.close()
return check
def music_list():
session = Session()
songs = session.query(Musics).all()
session.close()
result = []
for song in songs:
result.append([song.id, song.song_title, song.singer])
return result
def verify_user(token):
session = Session()
user_id = session.query(TokenTable).filter_by(token=token).one_or_none()
session.close()
if user_id is None:
return False
else:
return int(user_id.user_id)
def isExist(name, singer):
session = Session()
song = session.query(Musics).filter_by(song_title=name,
singer=singer).all()
session.close()
if len(song):
return song[0].id
else:
return 0
def create_eventnames():
session = Session()
names = session.query(Eventnames).all()
for func in functions:
if func not in names:
session.add(Eventnames(event_name=func))
session.commit()
session.close()
def login(data):
session = Session()
user = session.query(Users).filter_by(user_name=data['user_name']).all()
session.close()
user_id = -1
password = hashlib.sha256(data['user_password'].encode()).hexdigest()
if len(user) == 1:
if user[0].user_password == password:
msg = 'success'
user_id = user[0].id
else:
msg = 'wrong password'
else:
msg = 'wrong username'
return {'isFound': len(user), 'user_id': user_id, 'msg': msg}
def add_music(name, singer):
session = Session()
song_id = session.query(Musics).count() + 1
session.add(
Musics(
song_title=name,
singer=singer,
created_at=datetime.now().isoformat(' ', 'seconds'),
))
session.commit()
session.close()
return song_id
def init_db():
session = Session()
session.add(
Users(
user_name='master',
user_password='******',
created_at=datetime.now().isoformat(' ', 'seconds'),
))
session.add(
Musics(
song_title='wonder stella',
singer='fhana',
created_at=datetime.now().isoformat(' ', 'seconds'),
))
session.commit()
session.close()
def new_token(user_id):
session = Session()
token = secrets.token_hex()
session.add(TokenTable(
token=token,
user_id=user_id
))
session.commit()
session.close()
return token
def signup(data):
name = data['user_name']
user_id = -1
session = Session()
user = session.query(Users).filter_by(user_name=name).all()
if len(user) == 0:
user_id = session.query(Users).count() + 1
session.add(
Users(user_name=name,
user_password=hashlib.sha256(
data['user_password'].encode()).hexdigest(),
created_at=datetime.now().isoformat(' ', 'seconds')))
session.commit()
msg = 'succeeded to create an user account'
else:
msg = 'already exists'
session.close()
return {'user_id': user_id, 'msg': msg}
def init_db():
session = Session()
create_eventnames()
session.add(Users(
user_name='master',
user_password='******',
created_at=datetime.now().isoformat(' ', 'seconds'),
))
session.add(Musics(
song_title='wonder stella',
singer='fhana',
created_at=datetime.now().isoformat(' ', 'seconds'),
))
logger.info('{0}@_@{1} {2} {3} {4}'.format(
0, 9, 0, 1, 0
))
session.commit()
session.close()
def ws_lag():
session = Session()
event_id_ws_sing = session.query(Eventnames).filter_by(
event_name='ws_sing').one().id - 1
lag_list = session.query(Eventlogs).filter_by(
event_id=event_id_ws_sing).filter_by(user_id=0).all()
session.close()
lag = statistics.median([int(l.log_message) for l in lag_list])
return lag
def logged_in(user_id):
if user_id < 2:
return 0
session = Session()
result = session.query(Eventlogs).filter_by(user_id=user_id).all()
event_id_logout = session.query(Eventnames).filter_by(
event_name='logout').one().id - 1
session.close()
if len(result) == 0 or result[-1].event_id == event_id_logout:
return 0
else:
return 1
def music_list():
session = Session()
songs = session.query(Musics).all()
event_id_ws_sing = session.query(Eventnames).filter_by(
event_name='ws_sing').one().id - 1
count = session.query(Eventlogs).filter_by(event_id=event_id_ws_sing).all()
session.close()
song_dict = collections.defaultdict(int)
for i in range(len(count)):
song_dict[int(count[i].push)] += 1
result = sorted(
[[song.id, song.song_title, song.singer, song_dict[int(song.id)]]
for song in songs],
key=lambda x: x[3],
reverse=True)
return result
def logged_in(user_id):
# TODO: write here for auto login
if user_id == -1:
return 0
session = Session()
result = session.query(Eventlogs).filter_by(user_id=user_id).all()
event_name_logout = session.query(Eventnames).filter_by(
event_name='logout').one().id
session.close()
if len(result) == 0 or result[-1].event_id == event_name_logout:
return 0
else:
return 1
def isExist(name, singer):
session = Session()
song = session.query(Musics).filter_by(song_title=name,
singer=singer).all()
session.close()
return len(song) != 0
def finish_upload(song_id):
session = Session()
res = session.query(Hsh).filter_by(song_id=song_id).all()
session.close()
return len(res)
def username(user_id):
session = Session()
name = session.query(Users).filter_by(id=user_id).first()
session.close()
return name.user_name
def upload_hash(song_id, h, t, n):
# TODO: format table?
session = Session()
session.add(Hsh(song_id=song_id, hsh_data=h, ptime=t, noise=n))
session.commit()
session.close()
def hashtable(song_id):
session = Session()
hsh = session.query(Hsh).filter_by(song_id=song_id).one()
session.close()
return hsh.hsh_data, hsh.ptime, hsh.noise