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38 lines
936 B
Python
38 lines
936 B
Python
from __future__ import unicode_literals
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from django.db import models
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from django.utils import timezone
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from django.utils.encoding import python_2_unicode_compatible
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class Tag(models.Model):
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name = models.CharField(max_length=255)
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@python_2_unicode_compatible
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class Author(models.Model):
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name = models.CharField(max_length=100, help_text='Use both first and last names.',
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unique=True)
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class Meta:
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ordering = ['name']
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def __str__(self):
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return self.name
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@python_2_unicode_compatible
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class Book(models.Model):
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title = models.CharField(max_length=200)
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pages = models.IntegerField(default=0)
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author = models.ForeignKey(Author, null=True, blank=True)
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pubdate = models.DateTimeField()
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tags = models.ManyToManyField(Tag)
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class Meta:
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ordering = ['-pubdate', 'title']
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unique_together = ['title', 'author']
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def __str__(self):
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return self.title
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