class Artist(db.Model): id = db.Column(db.Integer, primary_key=True) name = db.Column(db.String(160)) clean_name = db.Column(db.String(160)) cover = db.Column(db.Boolean, nullable=True) formation_date = db.Column(db.DateTime) country = db.Column(db.String(120)) genre_id = db.Column(db.Integer, db.ForeignKey(Genre.id)) genre = db.relationship(Genre, backref=db.backref('artist', lazy='dynamic')) def __init__(self, name, clean_name, country, genre, formation_date=None, cover=False): self.name = name self.clean_name = clean_name self.country = country if formation_date is None: formation_date = datetime.utcnow() self.cover = cover self.formation_date = formation_date self.genre = genre def __repr__(self): return '<Artist %r %r>' % (self.clean_name, self.name)
class Song(db.Model): id = db.Column(db.Integer, primary_key=True) title = db.Column(db.String(150)) lyrics = db.Column(db.Text) publication_date = db.Column(db.DateTime) artist_id = db.Column(db.Integer, db.ForeignKey(Artist.id)) artist = db.relationship(Artist, backref=db.backref('song', lazy='dynamic')) def __init__(self, title, lyrics, artist, publication_date=None): self.title = title self.lyrics = lyrics self.artist = artist if publication_date is None: publication_date = datetime.utcnow() self.publication_date = publication_date def __repr__(self): return '<Song %r>' % self.title def as_dict(self): return { 'id': self.id, 'title': self.title, 'lyrics': self.lyrics, 'publication_date': self.publication_date, 'artist': self.artist.name } def __str__(self): return str(self.as_dict())
class ArtificialSong(db.Model): id = db.Column(db.Integer, primary_key=True) artificial_title_id = db.Column(db.Integer, db.ForeignKey(ArtificialTitle.id)) artificial_title = db.relationship(ArtificialTitle, backref=db.backref('artificialSong', lazy='dynamic')) lyrics = db.Column(db.Text) model = db.Column(db.String(150)) creation_date = db.Column(db.DateTime) # user_id = db.Column(db.Integer, db.ForeignKey(User.id)) # user = db.relationship(User, backref=db.backref('artificialSong', lazy='dynamic')) base_artist_id = db.Column(db.Integer, db.ForeignKey(Artist.id)) base_artist = db.relationship(Artist, backref=db.backref('artificialSong', lazy='dynamic')) def __init__(self, artificial_title, lyrics, model, base_artist, creation_date=None): self.artificial_title = artificial_title self.lyrics = lyrics self.model = model self.base_artist = base_artist if creation_date is None: creation_date = datetime.utcnow() self.creation_date = creation_date def __repr__(self): return '<ArtificialSong named: %r>' % self.artificial_title.title
class Genre(db.Model): id = db.Column(db.Integer, primary_key=True) name = db.Column(db.String(90)) def __init__(self, name): self.name = name def __repr__(self): return '<Genre %r>' % self.name
class ArtificialTitle(db.Model): id = db.Column(db.Integer, primary_key=True) title = db.Column(db.String(180)) creation_date = db.Column(db.DateTime) def __init__(self, title, creation_date=None): self.title = title if creation_date is None: creation_date = datetime.utcnow() self.creation_date = creation_date def __repr__(self): return '<ArtificialTitle %r>' % self.title