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42 lines
1.0 KiB
Python
42 lines
1.0 KiB
Python
from django.db import models
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class Author(models.Model):
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first_name = models.CharField(max_length=128)
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last_name = models.CharField(max_length=128)
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class Editor(models.Model):
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name = models.CharField(max_length=128)
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bestselling_author = models.ForeignKey(Author, models.CASCADE)
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class Book(models.Model):
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title = models.CharField(max_length=128)
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authors = models.ManyToManyField(Author)
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editor = models.ForeignKey(Editor, models.CASCADE, related_name="edited_books")
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class Meta:
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default_related_name = "books"
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class Store(models.Model):
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name = models.CharField(max_length=128)
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address = models.CharField(max_length=128)
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class Meta:
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abstract = True
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default_related_name = "%(app_label)s_%(model_name)ss"
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class BookStore(Store):
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available_books = models.ManyToManyField(Book)
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class EditorStore(Store):
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editor = models.ForeignKey(Editor, models.CASCADE)
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available_books = models.ManyToManyField(Book)
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class Meta:
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default_related_name = "editor_stores"
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