from flask_sqlalchemy import SQLAlchemy

db = SQLAlchemy()

class Song(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    title = db.Column(db.String(100), nullable=False)
    author = db.Column(db.String(100), nullable=False)
    year = db.Column(db.Integer, nullable=False)
    album = db.Column(db.String(100), nullable=False)
    lyrics = db.Column(db.Text, nullable=False)

    def __repr__(self):
        return f'<Song {self.title}>'