mirror of
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74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
from django.db import models
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from django.db.models.signals import post_save
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from django.dispatch import receiver
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from django.urls import reverse
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class AssetCategory(models.Model):
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class Meta:
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verbose_name = 'Asset Category'
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verbose_name_plural = 'Asset Categories'
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name = models.CharField(max_length=80)
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def __str__(self):
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return self.name
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class AssetStatus(models.Model):
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class Meta:
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verbose_name = 'Asset Status'
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verbose_name_plural = 'Asset Statuses'
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name = models.CharField(max_length=80)
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def __str__(self):
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return self.name
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class Supplier(models.Model):
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name = models.CharField(max_length=80)
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def __str__(self):
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return self.name
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class Collection(models.Model):
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name = models.CharField(max_length=80)
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def __str__(self):
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return self.name
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class Asset(models.Model):
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asset_id = models.IntegerField(blank=True, null=True)
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description = models.CharField(max_length=120)
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category = models.ForeignKey(to=AssetCategory, on_delete=models.CASCADE)
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status = models.ForeignKey(to=AssetStatus, on_delete=models.CASCADE)
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serial_number = models.CharField(max_length=150, blank=True, null=True)
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purchased_from = models.ForeignKey(to=Supplier, on_delete=models.CASCADE, blank=True, null=True)
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date_acquired = models.DateField()
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date_sold = models.DateField(blank=True, null=True)
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purchase_price = models.IntegerField(blank=True, null=True)
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salvage_value = models.IntegerField(blank=True, null=True)
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comments = models.TextField(blank=True, null=True)
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next_sched_maint = models.DateField(blank=True, null=True)
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collection = models.ForeignKey(to=Collection, on_delete=models.CASCADE, blank=True, null=True)
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def get_absolute_url(self):
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return reverse('asset_detail', kwargs={'pk': self.pk})
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def __str__(self):
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return str(self.asset_id) + ' - ' + self.description
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# Automatically updates Asset.asset_id to Asset.pk if none is given by the user
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@receiver(post_save, sender=Asset)
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def update_asset_id(sender, instance, **kwargs):
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post_save.disconnect(update_asset_id, sender=sender)
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if not instance.asset_id:
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instance.asset_id = instance.pk
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instance.save()
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post_save.connect(update_asset_id, sender=sender)
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