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56 lines
2.0 KiB
Python
56 lines
2.0 KiB
Python
from django.core.exceptions import ValidationError
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from django.db import models
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from accounts.models import DepotUser
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from common.fields import ContainerNumberField, UpperCaseCharField
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from common.models import ContainerTypeModel, LinesModel, OperationModel
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# Create your models here.
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class Booking(models.Model):
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STATUS_CHOICES = [
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('active', 'Active'),
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('finished', 'Finished'),
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('canceled', 'Canceled'),
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]
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number = UpperCaseCharField(max_length=50)
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vehicles = UpperCaseCharField(blank=True, null=True)
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container_type = models.ForeignKey(
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ContainerTypeModel,
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on_delete=models.CASCADE,
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related_name='booking_container_types',
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)
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container_count = models.PositiveIntegerField()
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container_expedited_count = models.PositiveIntegerField(default=0)
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carrier = models.CharField(max_length=100, blank=True, null=True)
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line = models.ForeignKey(
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LinesModel,
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on_delete=models.CASCADE,
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related_name='booking_lines',
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)
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visible = models.BooleanField(default=True)
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is_new = models.BooleanField(default=True)
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container_number = ContainerNumberField(max_length=11, blank=True, null=True)
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vehicles_left = models.CharField(blank=True, null=True)
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created_on = models.DateTimeField(auto_now_add=True)
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created_by = models.ForeignKey(DepotUser, related_name='booking_user', on_delete=models.CASCADE)
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updated_on = models.DateTimeField(auto_now=True)
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updated_by = models.ForeignKey(DepotUser, related_name='booking_user', on_delete=models.CASCADE)
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status = models.CharField(
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max_length=10,
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choices=STATUS_CHOICES,
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default='active'
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)
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@property
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def containers_left(self):
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return self.container_count - (self.container_expedited_count or 0)
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class Meta:
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app_label = 'booking'
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def clean(self):
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if Booking.objects.filter(number=self.number, status='active').exclude(id=self.id).exists():
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raise ValidationError(f'Booking with number {self.number} already exists and is active.')
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