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from django.db import models
from django.utils.translation import gettext_lazy as _
class TicketSession(models.Model):
ticket = models.ForeignKey('tickets.Ticket', related_name='session_relation', on_delete=models.CASCADE,
db_constraint=False)
session = models.ForeignKey('terminal.Session', related_name='ticket_relation', on_delete=models.CASCADE,
db_constraint=False)
class Meta:
verbose_name = _("Ticket session relation")
@classmethod
def get_ticket_by_session_id(cls, session_id):
relation = cls.objects.filter(session=session_id).first()
if relation:
return relation.ticket
return None