Files
django-ram/ram/consist/models.py
Daniele Viganò e4ad98fa38 Implement support for sets and other improvements (#34)
* Add a boolean to define item as part of a set
* Add contextual help in admin
* Introduce support to sets and to item code lookup
Also review the url path for pagination
2024-04-21 00:31:52 +02:00

74 lines
2.1 KiB
Python

import os
from uuid import uuid4
from django.db import models
from django.urls import reverse
from tinymce import models as tinymce
from ram.utils import DeduplicatedStorage
from metadata.models import Company, Tag
from roster.models import RollingStock
class Consist(models.Model):
uuid = models.UUIDField(primary_key=True, default=uuid4, editable=False)
identifier = models.CharField(max_length=128, unique=False)
tags = models.ManyToManyField(Tag, related_name="consist", blank=True)
consist_address = models.SmallIntegerField(
default=None,
null=True,
blank=True,
help_text="DCC consist address if enabled",
)
company = models.ForeignKey(Company, on_delete=models.CASCADE)
era = models.CharField(
max_length=32,
blank=True,
help_text="Era or epoch of the consist",
)
image = models.ImageField(
upload_to=os.path.join("images", "consists"),
storage=DeduplicatedStorage,
null=True,
blank=True,
)
notes = tinymce.HTMLField(blank=True)
creation_time = models.DateTimeField(auto_now_add=True)
updated_time = models.DateTimeField(auto_now=True)
def __str__(self):
return "{0} {1}".format(self.company, self.identifier)
def get_absolute_url(self):
return reverse("consist", kwargs={"uuid": self.uuid})
class Meta:
ordering = ["company", "-creation_time"]
class ConsistItem(models.Model):
consist = models.ForeignKey(
Consist, on_delete=models.CASCADE, related_name="consist_item"
)
rolling_stock = models.ForeignKey(RollingStock, on_delete=models.CASCADE)
order = models.PositiveIntegerField(default=0, blank=False, null=False)
class Meta(object):
ordering = ["order"]
def __str__(self):
return "{0}".format(self.rolling_stock)
def type(self):
return self.rolling_stock.rolling_class.type
def address(self):
return self.rolling_stock.address
def company(self):
return self.rolling_stock.company()
def era(self):
return self.rolling_stock.era