Rename DCC project into RAM

RAM: Railroad Assets Manager

ram/metadata/models.py

@@ -0,0 +1,114 @@
+from django.db import models
+from django.conf import settings
+from django.dispatch.dispatcher import receiver
+from django_countries.fields import CountryField
+
+from ram.utils import get_image_preview, slugify
+
+
+class Property(models.Model):
+    name = models.CharField(max_length=128, unique=True)
+
+    class Meta:
+        verbose_name_plural = "Properties"
+        ordering = ["name"]
+
+    def __str__(self):
+        return self.name
+
+
+class Manufacturer(models.Model):
+    name = models.CharField(max_length=128, unique=True)
+    category = models.CharField(
+        max_length=64, choices=settings.MANUFACTURER_TYPES
+    )
+    website = models.URLField(blank=True)
+    logo = models.ImageField(upload_to="images/", null=True, blank=True)
+
+    class Meta:
+        ordering = ["category", "name"]
+
+    def __str__(self):
+        return self.name
+
+    def logo_thumbnail(self):
+        return get_image_preview(self.logo.url)
+
+    logo_thumbnail.short_description = "Preview"
+
+
+class Company(models.Model):
+    name = models.CharField(max_length=64, unique=True)
+    extended_name = models.CharField(max_length=128, blank=True)
+    country = CountryField()
+    freelance = models.BooleanField(default=False)
+    logo = models.ImageField(upload_to="images/", null=True, blank=True)
+
+    class Meta:
+        verbose_name_plural = "Companies"
+        ordering = ["name"]
+
+    def __str__(self):
+        return self.name
+
+    def logo_thumbnail(self):
+        return get_image_preview(self.logo.url)
+
+    logo_thumbnail.short_description = "Preview"
+
+
+class Decoder(models.Model):
+    name = models.CharField(max_length=128, unique=True)
+    manufacturer = models.ForeignKey(Manufacturer, on_delete=models.CASCADE)
+    version = models.CharField(max_length=64, blank=True)
+    interface = models.PositiveSmallIntegerField(
+        choices=settings.DECODER_INTERFACES, null=True, blank=True
+    )
+    sound = models.BooleanField(default=False)
+    image = models.ImageField(upload_to="images/", null=True, blank=True)
+
+    def __str__(self):
+        return "{0} - {1}".format(self.manufacturer, self.name)
+
+    def image_thumbnail(self):
+        return get_image_preview(self.image.url)
+
+    image_thumbnail.short_description = "Preview"
+
+
+class Scale(models.Model):
+    scale = models.CharField(max_length=32, unique=True)
+    ratio = models.CharField(max_length=16, blank=True)
+    gauge = models.CharField(max_length=16, blank=True)
+
+    class Meta:
+        ordering = ["scale"]
+
+    def __str__(self):
+        return str(self.scale)
+
+
+class Tag(models.Model):
+    name = models.CharField(max_length=128, unique=True)
+    slug = models.CharField(max_length=128, unique=True)
+
+    def __str__(self):
+        return self.name
+
+
+@receiver(models.signals.pre_save, sender=Tag)
+def tag_pre_save(sender, instance, **kwargs):
+    instance.slug = slugify(instance.name)
+
+
+class RollingStockType(models.Model):
+    type = models.CharField(max_length=64)
+    category = models.CharField(
+        max_length=64, choices=settings.ROLLING_STOCK_TYPES
+    )
+
+    class Meta(object):
+        unique_together = ("category", "type")
+
+    def __str__(self):
+        return "{0} {1}".format(self.type, self.category)