mirror of
https://gitlab2.federez.net/re2o/re2o
synced 2024-11-26 22:52:26 +00:00
59 lines
2.2 KiB
Python
59 lines
2.2 KiB
Python
from django.db import models
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from django.contrib.contenttypes.models import ContentType
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from django.contrib.contenttypes.fields import GenericForeignKey
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from django.core.exceptions import ValidationError
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def make_port_related(port):
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related_port = port.related
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related_port.related = port
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related_port.save()
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def clean_port_related(port):
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related_port = port.related_port
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related_port.related = None
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related_port.save()
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class Switch(models.Model):
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building = models.CharField(max_length=10)
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number = models.IntegerField()
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details = models.CharField(max_length=255, blank=True)
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class Meta:
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unique_together = ('building', 'number')
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def __str__(self):
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return str(self.building) + str(self.number)
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class Port(models.Model):
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switch = models.ForeignKey(Switch, related_name="ports")
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port = models.IntegerField()
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details = models.CharField(max_length=255, blank=True)
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room = models.ForeignKey('Room', on_delete=models.PROTECT, blank=True, null=True)
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machine_interface = models.OneToOneField('machines.Interface', on_delete=models.PROTECT, blank=True, null=True)
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related = models.OneToOneField('self', null=True, blank=True, related_name='related_port')
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class Meta:
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unique_together = ('switch', 'port')
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def clean(self):
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if self.room and self.machine_interface or self.room and self.related or self.machine_interface and self.related:
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raise ValidationError("Chambre, interface et related_port sont mutuellement exclusifs")
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if self.related==self:
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raise ValidationError("On ne peut relier un port à lui même")
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if self.related and not self.related.related:
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if self.related.machine_interface or self.related.room:
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raise ValidationError("Le port relié est déjà occupé, veuillez le libérer avant de créer une relation")
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else:
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make_port_related(self)
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elif hasattr(self, 'related_port'):
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clean_port_related(self)
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def __str__(self):
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return str(self.switch) + " - " + str(self.port)
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class Room(models.Model):
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name = models.CharField(max_length=255, unique=True)
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def __str__(self):
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return str(self.name)
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