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45 lines
1.0 KiB
Python
45 lines
1.0 KiB
Python
''' Models: Version. '''
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from django.db.models import (
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CASCADE,
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CharField,
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DateTimeField,
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ForeignKey,
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JSONField,
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Model,
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TextField
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)
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class Version(Model):
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''' Library item version archive. '''
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item: ForeignKey = ForeignKey(
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verbose_name='Схема',
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to='library.LibraryItem',
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on_delete=CASCADE
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)
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version = CharField(
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verbose_name='Версия',
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max_length=20,
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blank=False
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)
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description: TextField = TextField(
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verbose_name='Описание',
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blank=True
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)
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data: JSONField = JSONField(
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verbose_name='Содержание'
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)
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time_create: DateTimeField = DateTimeField(
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verbose_name='Дата создания',
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auto_now_add=True
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)
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class Meta:
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''' Model metadata. '''
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verbose_name = 'Версия'
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verbose_name_plural = 'Версии'
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unique_together = [['item', 'version']]
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def __str__(self) -> str:
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return f'{self.item} v{self.version}'
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