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43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
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''' puttin' books on shelves '''
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from django.db import models
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from fedireads.utils.models import FedireadsModel
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class Shelf(FedireadsModel):
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name = models.CharField(max_length=100)
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identifier = models.CharField(max_length=100)
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user = models.ForeignKey('User', on_delete=models.PROTECT)
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editable = models.BooleanField(default=True)
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books = models.ManyToManyField(
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'Book',
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symmetrical=False,
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through='ShelfBook',
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through_fields=('shelf', 'book')
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)
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@property
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def absolute_id(self):
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''' use shelf identifier as absolute id '''
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base_path = self.user.absolute_id
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model_name = type(self).__name__.lower()
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return '%s/%s/%s' % (base_path, model_name, self.identifier)
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class Meta:
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unique_together = ('user', 'identifier')
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class ShelfBook(FedireadsModel):
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# many to many join table for books and shelves
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book = models.ForeignKey('Book', on_delete=models.PROTECT)
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shelf = models.ForeignKey('Shelf', on_delete=models.PROTECT)
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added_by = models.ForeignKey(
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'User',
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blank=True,
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null=True,
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on_delete=models.PROTECT
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)
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class Meta:
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unique_together = ('book', 'shelf')
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