class Track(db.Model):
"""
Model for storing track information
"""
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(140), unique=True)
uri = db.Column(db.String(50), unique=True)
track_id = db.Column(db.String(140), unique=True)
def __init__(self, track_id, title, uri):
self.title = title
self.track_id = track_id
self.uri = uri
def __repr__(self):
return '<Track %r>' % (self.title)
@property
def serialize(self):
"""Return object data in easily serializeable format"""
return {
'id': self.id,
'title': self.title,
'uri': self.uri,
'track_id': self.track_id
}
class AccessToken(db.Model):
"""
Model for storing OAuth2 token data for a given user
"""
@classmethod
def from_json(cls, data):
token_dict = json.loads(data)
return cls(token_dict['access_token'], token_dict['token_type'],
token_dict['expires_in'], token_dict['refresh_token'])
id = db.Column(db.Integer, primary_key=True)
access_token = db.Column(db.String(255))
token_type = db.Column(db.String(50))
expires_in = db.Column(db.Integer)
refresh_token = db.Column(db.String(255))
user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
user = db.relationship('User',
backref=db.backref('access_token', lazy='dynamic'))
def __init__(self, access_token, token_type, expires_in, refresh_token):
self.access_token = access_token
self.token_type = token_type
self.expires_in = expires_in
self.refresh_token = refresh_token
class Users(db.Model, UserMixin):
"""
A class to map the users table using SQLAlchemy
...
Attributes
-------
user_id : Integer database column
Holds the id of the user from DB
username: String databse column
Holds the username for the user
email : String databse column
Holds the email for the user
password: String databse column
Holds the hashed password for the user
Methods
-------
get_id()
Overwrites the get_id from db.Model class
__repr__()
Method to represent the class object
"""
user_id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(20), unique=True, nullable=False)
email = db.Column(db.String(60), unique=True, nullable=False)
password = db.Column(db.String(60), nullable=False)
def get_id(self):
return (self.user_id)
def __repr__(self):
return f"Users('{self.username}', '{self.email}')"
class Songs(db.Model):
"""
A class to map the songs table using SQLAlchemy
...
Attributes
-------
song_id : Integer database column
Holds the id of the song
song_title : String databse column
Holds the song name
seconds : String databse column
Holds the duration in seconds
thumbnail_url: String databse column
Holds the thumbnail url for song
album_id : Integer database column
Holds the foreign key for albums table
Methods
-------
__repr__()
Method to represent the class object
"""
song_id = db.Column(db.Integer, primary_key=True)
song_title = db.Column(db.String(60), nullable=False)
seconds = db.Column(db.Integer, nullable=False)
thumbnail_url = db.Column(db.String(200), default='thumbnail.png')
album_id = db.Column(db.Integer,
db.ForeignKey('albums.album_id'),
nullable=False)
def __repr__(self):
return f"Songs('{self.song_title}', '{self.seconds}', {self.album_id})"
class EventStatus(db.Model, UserMixin):
time = db.Column(db.Integer, db.ForeignKey('event.time'))
begin_date = db.Column(db.String(100), primary_key=True)
end_date = db.Column(db.String(100), primary_key=True)
status = db.Column(db.String(100), nullable=True)
def __repr__(self):
return f"EventStatus('{self.status})"
class City(db.Model, UserMixin):
pincode = db.Column(db.Integer,
db.ForeignKey('place.pincode'),
primary_key=True)
name = db.Column(db.String(75), nullable=False)
state = db.Column(db.String(75), nullable=True)
def __repr__(self):
return f"City('{self.name}', '{self.state}')"
class Place(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(75), nullable=False)
address = db.Column(db.String(75), nullable=True)
pincode = db.Column(db.Integer, nullable=True, unique=True)
place = db.relationship('City', backref='places', lazy="dynamic")
def __repr__(self):
return f"Place('{self.name}', '{self.pincode}')"
class Label(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(75), nullable=False)
types = db.Column(db.String(75), nullable=True)
insi = db.Column(db.String(75), nullable=True, unique=True)
artist = db.relationship('Artist', backref='artist', lazy=True)
def __repr__(self):
return f"Label('{self.name}', '{self.insi}')"
class Admin(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
fname = db.Column(db.String(75), nullable=False)
mname = db.Column(db.String(75), nullable=True)
lname = db.Column(db.String(75), nullable=True)
email = db.Column(db.String(128), unique=True, nullable=False)
password = db.Column(db.String(60), nullable=False)
def __repr__(self):
return f"Admin('{self.fname}', '{self.lname}')"
class Artist(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(75), nullable=False)
email = db.Column(db.String(128), unique=True)
likes = db.Column(db.Integer, default=0)
dislikes = db.Column(db.Integer, default=0)
rating = db.Column(db.Integer, default=2)
song = db.relationship('Song', backref='singer', lazy=True)
user = db.relationship('User', backref='user_art', uselist=False)
podcast = db.relationship('Podcast',
backref='podcast',
lazy=True,
uselist=False)
label_id = db.Column(db.Integer, db.ForeignKey('label.id'))
class Podcast(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String, nullable=True)
title = db.Column(db.String(75), nullable=False)
description = db.Column(db.String, default='No description')
category = db.Column(db.String, nullable=False)
release_date = db.Column(db.DateTime,
nullable=False,
default=datetime.utcnow)
pod_file = db.Column(db.String(200), nullable=False)
image_file = db.Column(db.String(32), nullable=True, default='default.jpg')
rating = db.Column(db.Integer, default=2)
likes = db.Column(db.Integer, default=0)
dislikes = db.Column(db.Integer, default=0)
artist_id = db.Column(db.Integer, db.ForeignKey('artist.id'))
class Albums(db.Model):
"""
A class to map the artists table using SQLAlchemy
...
Attributes
-------
album_id : Integer database column
Holds the id of the album
album_title : String databse column
Holds the albums's title
artist_id :
Foreign key for artists table
songs : Relationship
A relationship to songs table
Methods
-------
__repr__()
Method to represent the class object
"""
album_id = db.Column(db.Integer, primary_key=True)
album_title = db.Column(db.String(60), nullable=False)
artist_id = db.Column(db.Integer,
db.ForeignKey('artists.artist_id'),
nullable=False)
songs = db.relationship('Songs', backref='songs', lazy=True)
def __repr__(self):
return f"Albums('{self.album_title}', {self.artist_id})"
class Artists(db.Model):
"""
A class to map the artists table using SQLAlchemy
...
Attributes
-------
artist_id : Integer database column
Holds the id of the artist
artist : String databse column
Holds the artist's name
albums : Relationship
A relationship to albums table
Methods
-------
__repr__()
Method to represent the class object
"""
artist_id = db.Column(db.Integer, primary_key=True)
artist = db.Column(db.String(30), nullable=False)
albums = db.relationship('Albums', backref='albums', lazy=True)
def __repr__(self):
return f"Artists('{self.artist}')"
class Playlist(db.Model):
"""
Model for storing playlist information belonging to a specific user
"""
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(50), unique=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
user = db.relationship('User',
backref=db.backref('playlists', lazy='dynamic'))
tracks = db.relationship('Track',
secondary=tracks,
backref=db.backref('playlists', lazy='dynamic'))
def __init__(self, title, user):
self.title = title
self.user = user
def __repr__(self):
return '<Playlist %r>' % (self.title)
@property
def serialize(self):
"""Return object data in easily serializeable format"""
return {
'id': self.id,
'title': self.title,
'user': self.user.serialize,
'tracks': [item.serialize for item in self.tracks]
}
class Song(db.Model, UserMixin):
#__searchable__ = ['name', 'genre']
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(75), nullable=False)
album = db.Column(db.String(75), nullable=False)
genre = db.Column(db.String(75), nullable=True)
release_date = db.Column(db.DateTime,
nullable=True,
default=datetime.utcnow)
rating = db.Column(db.Integer, default=2)
likes = db.Column(db.Integer, default=0)
dislikes = db.Column(db.Integer, default=0)
song_file = db.Column(db.String(200), nullable=False)
image_file = db.Column(db.String(32), nullable=True, default='default.jpg')
artist_id = db.Column(db.Integer, db.ForeignKey('artist.id'))
contains = db.relationship('Contains', backref='contains', uselist=False)
class User(db.Model, UserMixin):
__table_args__ = {'extend_existing': True}
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(75), nullable=True)
lname = db.Column(db.String(75), nullable=True)
username = db.Column(db.String(32), unique=True, nullable=False)
email = db.Column(db.String(128), unique=True, nullable=False)
image_file = db.Column(db.String(32), nullable=True, default='default.jpg')
preflang = db.Column(db.String(20), nullable=True)
password = db.Column(db.String(60), nullable=False)
#searches = db.relationship('user_search_history', backref=db.backref('user'))
#playlists = db.relationship('user_song_playlist', backref=db.backref('user'))
#songs = db.relationship('Song', secondary=listened)
posts = db.relationship('Post', backref='author', lazy=True)
podcasts = db.relationship('Podcast',
secondary=subscribed,
backref='pod_art',
lazy=True)
listen = db.relationship('Song',
secondary=listened,
backref=db.backref('listener', lazy=True))
artist_id = db.Column(db.Integer,
db.ForeignKey('artist.id'),
nullable=True)
#playlist_id = db.Column(db.Integer, db.ForeignKey('playlist.id'))
playlist_id = db.Column(db.Integer,
db.ForeignKey('playlist.id'),
nullable=True)
def __repr__(self):
return f"User('{self.username}', '{self.name}', '{self.email}', '{self.image_file}')"
class Post(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(100), nullable=True)
date_posted = db.Column(db.DateTime,
nullable=True,
default=datetime.utcnow)
content = db.Column(db.Text, nullable=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=True)
def __repr__(self):
return f"Post('{self.title}', '{self.date_posted}')"
class Review(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(100), nullable=True)
date_posted = db.Column(db.DateTime,
nullable=True,
default=datetime.utcnow)
suggestions = db.Column(db.Text, nullable=True)
event_id = db.Column(db.Integer,
db.ForeignKey('event.id'),
primary_key=True)
#__table_args__ = (
#PrimaryKeyConstraint('field2', 'field1'),
#{},
#)
def __repr__(self):
return f"Label('{self.title})"
class Event(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(100), nullable=True)
time = db.Column(db.Integer, nullable=True, default=datetime.utcnow)
event = db.relationship('EventStatus', backref='events', uselist=False)
review = db.relationship('Review', backref='review', lazy="dynamic")
art_perform = db.relationship('Artist',
secondary=performance,
backref='perform',
lazy="dynamic")
place = db.relationship('Place',
secondary=held_in,
backref='places',
lazy="dynamic")
def __repr__(self):
return f"Event('{self.name})"