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30 lines
1.0 KiB
30 lines
1.0 KiB
from django.db import models
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import datetime
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from django.core.validators import MaxValueValidator, MinValueValidator
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def current_year():
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return datetime.date.today().year
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def max_value_current_year(value):
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return MaxValueValidator(current_year())(value)
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class Autor(models.Model):
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nombre = models.CharField(max_length=200)
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biografia = models.TextField(blank=True, null=True)
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foto = models.ImageField(upload_to='autores/', blank=True, null=True) # Nuevo campo
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def __str__(self):
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return self.nombre
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class Libro(models.Model):
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titulo = models.CharField(max_length=200)
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autor = models.ForeignKey(Autor, on_delete=models.CASCADE)
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fecha_publicacion = models.PositiveBigIntegerField(default=current_year(), validators=[MinValueValidator(1984), max_value_current_year])
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descripcion = models.TextField(blank=True, null=True)
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archivo = models.FileField(upload_to='libros/')
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portada = models.ImageField(upload_to='portadas/', blank=True, null=True) # Nuevo campo
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def __str__(self):
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return self.titulo
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