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from flask_sqlalchemy import SQLAlchemy
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from flask_login import UserMixin
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from . import db
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class User(UserMixin, db.Model):
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id = db.Column(db.Integer, primary_key=True)
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username = db.Column(db.String(150), unique=True, nullable=False)
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password = db.Column(db.String(150), nullable=False)
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photo = db.Column(db.String(150), nullable=False)
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class Autores(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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nombre = db.Column(db.String(100), nullable=False)
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apellido = db.Column(db.String(100), nullable=False)
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libros = db.relationship('Libros', backref='autores', lazy=True)
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foto = db.Column(db.String(100), nullable=True)
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def __repr__(self):
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return f'<Autores {self.apellido}>'
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class Libros(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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anno = db.Column(db.String(4), nullable=False)
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titulo = db.Column(db.String(100), nullable=False)
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portada = db.Column(db.String(100), nullable=True)
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epub = db.Column(db.String(100), nullable=True)
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autor_id = db.Column(db.Integer, db.ForeignKey('autores.id'), nullable=False)
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def __repr__(self):
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return f'<Libros {self.titulo}>'
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