Le serveur gitlab sera inaccessible le mercredi 19 février 2020 de 13h à 14h pour une intervention de maintenance programmée.

Commit e9d70713 authored by chirac's avatar chirac

Prise en charge de la liaison port-port

parent 38e23eb1
from django.db import models
from django.contrib.contenttypes.models import ContentType
from django.contrib.contenttypes.fields import GenericForeignKey
from django.core.exceptions import ValidationError
def make_port_related(port):
related_port = port.related
related_port.related = port
related_port.save()
def clean_port_related(port):
related_port = port.related_port
related_port.related = None
related_port.save()
class Switch(models.Model):
building = models.CharField(max_length=10)
......@@ -20,22 +30,23 @@ class Port(models.Model):
details = models.CharField(max_length=255, blank=True)
room = models.ForeignKey('Room', on_delete=models.PROTECT, blank=True, null=True)
machine_interface = models.OneToOneField('machines.Interface', on_delete=models.PROTECT, blank=True, null=True)
related = models.OneToOneField('self', null=True, blank=True, related_name='related_port')
class Meta:
unique_together = ('_content_type', '_object_id')
_content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE, blank=True, null=True)
_object_id = models.PositiveIntegerField(blank=True, null=True)
goto = GenericForeignKey('_content_type', '_object_id')
@property
def comefrom(self):
ctype = ContentType.objects.get_for_model(self.__class__)
try:
event = Port.objects.get(_content_type__pk=ctype.id, _object_id=self.id)
except:
return None
return event
unique_together = ('switch', 'port')
def clean(self):
if self.room and self.machine_interface or self.room and self.related or self.machine_interface and self.related:
raise ValidationError("Chambre, interface et related_port sont mutuellement exclusifs")
if self.related==self:
raise ValidationError("On ne peut relier un port à lui même")
if self.related and not self.related.related:
if self.related.machine_interface or self.related.room:
raise ValidationError("Le port relié est déjà occupé, veuillez le libérer avant de créer une relation")
else:
make_port_related(self)
elif hasattr(self, 'related_port'):
clean_port_related(self)
def __str__(self):
return str(self.switch) + " - " + str(self.port)
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment