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36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
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from django.db import models
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from django.core.exceptions import ValidationError
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def device_validation(value):
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published_devices = WhiteList.objects.filter(serial=value,
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is_published=True)
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if not published_devices:
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raise ValidationError("Device is not published")
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class WhiteList(models.Model):
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serial = models.CharField(max_length=128, unique=True)
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creation_time = models.DateTimeField(auto_now_add=True)
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updated_time = models.DateTimeField(auto_now=True)
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is_published = models.BooleanField(default=True)
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class Meta:
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ordering = ['serial', 'updated_time']
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def __str__(self):
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return self.serial
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class Device(models.Model):
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serial = models.CharField(max_length=128, unique=True,
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validators=[device_validation])
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creation_time = models.DateTimeField(auto_now_add=True)
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updated_time = models.DateTimeField(auto_now=True)
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class Meta:
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ordering = ['updated_time', 'serial']
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def __str__(self):
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return self.serial
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