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24 lines
723 B
24 lines
723 B
from django.db import models
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from mptt.managers import TreeManager
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from mptt.models import MPTTModel, TreeForeignKey
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class Specialization(MPTTModel):
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name = models.CharField(max_length=500)
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parent = TreeForeignKey('self', null=True, blank=True, related_name='children', db_index=True)
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order = models.PositiveIntegerField()
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selectable = models.BooleanField(default=True)
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objects = TreeManager()
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def __str__(self):
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return self.name
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class Meta:
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get_latest_by = 'order'
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ordering = ['order']
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verbose_name = 'Специализация'
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verbose_name_plural = 'Специализации'
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class MPTTMeta:
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order_insertion_by = ['order', 'name']
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