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55 lines
1.6 KiB
Python
55 lines
1.6 KiB
Python
from uuid import uuid4
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from django.db import models
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from django.urls import reverse
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from metadata.models import Company, Tag
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from roster.models import RollingStock
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class Consist(models.Model):
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uuid = models.UUIDField(primary_key=True, default=uuid4, editable=False)
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identifier = models.CharField(max_length=128, unique=False)
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tags = models.ManyToManyField(Tag, related_name="consist", blank=True)
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consist_address = models.SmallIntegerField(
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default=None, null=True, blank=True
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)
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company = models.ForeignKey(
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Company, on_delete=models.CASCADE, null=True, blank=True
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)
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era = models.CharField(max_length=32, blank=True)
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notes = models.TextField(blank=True)
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creation_time = models.DateTimeField(auto_now_add=True)
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updated_time = models.DateTimeField(auto_now=True)
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def __str__(self):
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return "{0}".format(self.identifier)
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def get_absolute_url(self):
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return reverse("consist", kwargs={"uuid": self.uuid})
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class ConsistItem(models.Model):
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consist = models.ForeignKey(
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Consist, on_delete=models.CASCADE, related_name="consist_item"
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)
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rolling_stock = models.ForeignKey(RollingStock, on_delete=models.CASCADE)
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order = models.PositiveIntegerField(default=0, blank=False, null=False)
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class Meta(object):
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ordering = ["order"]
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def __str__(self):
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return "{0}".format(self.rolling_stock)
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def type(self):
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return self.rolling_stock.rolling_class.type
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def address(self):
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return self.rolling_stock.address
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def company(self):
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return self.rolling_stock.company()
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def era(self):
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return self.rolling_stock.era
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