96 lines
1.7 KiB
Python
96 lines
1.7 KiB
Python
from django.db import models
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from access.fields import *
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from access.models import TenancyObject
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from core.mixin.history_save import SaveHistory
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from core.models.manufacturer import Manufacturer
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class OperatingSystemCommonFields(TenancyObject, models.Model):
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class Meta:
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abstract = True
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id = models.AutoField(
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primary_key=True,
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unique=True,
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blank=False
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)
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created = AutoCreatedField()
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modified = AutoLastModifiedField()
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class OperatingSystemFieldsName(OperatingSystemCommonFields):
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class Meta:
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abstract = True
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name = models.CharField(
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blank = False,
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max_length = 50,
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unique = True,
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)
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slug = AutoSlugField()
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class OperatingSystem(OperatingSystemFieldsName, SaveHistory):
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class Meta:
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verbose_name_plural = 'Operating Systems'
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publisher = models.ForeignKey(
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Manufacturer,
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on_delete=models.CASCADE,
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default = None,
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null = True,
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blank= True
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)
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def __str__(self):
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return self.name
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class OperatingSystemVersion(OperatingSystemCommonFields, SaveHistory):
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class Meta:
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verbose_name_plural = 'Operating System Versions'
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operating_system = models.ForeignKey(
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OperatingSystem,
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on_delete=models.CASCADE,
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)
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name = models.CharField(
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verbose_name = 'Major Version',
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blank = False,
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max_length = 50,
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unique = False,
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)
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@property
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def parent_object(self):
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""" Fetch the parent object """
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return self.operating_system
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def __str__(self):
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return self.operating_system.name + ' ' + self.name
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