59 lines
2.0 KiB
Python
59 lines
2.0 KiB
Python
from django.db import models
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from django.utils.translation import gettext_lazy as _
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from utils.constants import (
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STR_SM_SIZE,
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STR_SIZE,
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STR_EXTEND_SIZE,
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)
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from user.models import Institution
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# from device.models import Device
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# from evidence.models import Annotation
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class LotTag(models.Model):
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name = models.CharField(max_length=STR_SIZE, blank=False, null=False)
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owner = models.ForeignKey(Institution, on_delete=models.CASCADE)
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def __str__(self):
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return self.name
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class DeviceLot(models.Model):
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lot = models.ForeignKey("Lot", on_delete=models.CASCADE)
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device_id = models.CharField(max_length=STR_EXTEND_SIZE, blank=False, null=False)
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class Lot(models.Model):
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created = models.DateTimeField(auto_now_add=True)
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updated = models.DateTimeField(auto_now=True)
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name = models.CharField(max_length=STR_SIZE, blank=True, null=True)
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code = models.CharField(max_length=STR_SIZE, blank=True, null=True)
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description = models.CharField(max_length=STR_SIZE, blank=True, null=True)
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closed = models.BooleanField(default=True)
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owner = models.ForeignKey(Institution, on_delete=models.CASCADE)
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type = models.ForeignKey(LotTag, on_delete=models.CASCADE)
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def add(self, v):
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if DeviceLot.objects.filter(lot=self, device_id=v).exists():
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return
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DeviceLot.objects.create(lot=self, device_id=v)
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def remove(self, v):
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for d in DeviceLot.objects.filter(lot=self, device_id=v):
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d.delete()
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class LotAnnotation(models.Model):
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class Type(models.IntegerChoices):
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SYSTEM= 0, "System"
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USER = 1, "User"
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DOCUMENT = 2, "Document"
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created = models.DateTimeField(auto_now_add=True)
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lot = models.ForeignKey(Lot, on_delete=models.CASCADE)
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owner = models.ForeignKey(Institution, on_delete=models.CASCADE)
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type = models.SmallIntegerField(choices=Type)
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key = models.CharField(max_length=STR_EXTEND_SIZE)
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value = models.CharField(max_length=STR_EXTEND_SIZE)
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