Rename DCC project into RAM

RAM: Railroad Assets Manager

ram/consist/admin.py

@@ -0,0 +1,49 @@
+from django.contrib import admin
+from adminsortable2.admin import SortableInlineAdminMixin
+
+from consist.models import Consist, ConsistItem
+
+
+class ConsistItemInline(SortableInlineAdminMixin, admin.TabularInline):
+    model = ConsistItem
+    min_num = 1
+    extra = 0
+    readonly_fields = ("address", "type", "company", "era")
+
+
+@admin.register(Consist)
+class ConsistAdmin(admin.ModelAdmin):
+    inlines = (ConsistItemInline,)
+    readonly_fields = (
+        "creation_time",
+        "updated_time",
+    )
+    list_display = ("identifier", "company", "era")
+    list_filter = list_display
+    search_fields = list_display
+
+    fieldsets = (
+        (
+            None,
+            {
+                "fields": (
+                    "identifier",
+                    "consist_address",
+                    "company",
+                    "era",
+                    "notes",
+                    "tags",
+                )
+            },
+        ),
+        (
+            "Audit",
+            {
+                "classes": ("collapse",),
+                "fields": (
+                    "creation_time",
+                    "updated_time",
+                ),
+            },
+        ),
+    )

ram/consist/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class ConsistConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "consist"

ram/consist/migrations/0001_initial.py

@@ -0,0 +1,44 @@
+# Generated by Django 4.0.3 on 2022-04-07 09:25
+
+from django.db import migrations, models
+import django.db.models.deletion
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('metadata', '0001_initial'),
+        ('roster', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Consist',
+            fields=[
+                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('identifier', models.CharField(max_length=128)),
+                ('consist_address', models.SmallIntegerField(blank=True, default=None, null=True)),
+                ('era', models.CharField(blank=True, max_length=32)),
+                ('notes', models.TextField(blank=True)),
+                ('creation_time', models.DateTimeField(auto_now_add=True)),
+                ('updated_time', models.DateTimeField(auto_now=True)),
+                ('company', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='metadata.company')),
+                ('tags', models.ManyToManyField(blank=True, related_name='consist', to='metadata.tag')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='ConsistItem',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('order', models.PositiveIntegerField(default=0)),
+                ('consist', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='consist_item', to='consist.consist')),
+                ('rolling_stock', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='roster.rollingstock')),
+            ],
+            options={
+                'ordering': ['order'],
+            },
+        ),
+    ]

ram/consist/models.py

@@ -0,0 +1,52 @@
+from uuid import uuid4
+from django.db import models
+
+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
+    )
+    company = models.ForeignKey(
+        Company, on_delete=models.CASCADE, null=True, blank=True
+    )
+    era = models.CharField(max_length=32, blank=True)
+    notes = models.TextField(blank=True)
+    creation_time = models.DateTimeField(auto_now_add=True)
+    updated_time = models.DateTimeField(auto_now=True)
+
+    def __str__(self):
+        return "{0}".format(self.identifier)
+
+
+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

ram/consist/serializers.py

@@ -0,0 +1,24 @@
+from rest_framework import serializers
+from consist.models import Consist, ConsistItem
+
+from metadata.serializers import CompanySerializer, TagSerializer
+
+# from roster.serializers import RollingStockSerializer
+
+
+class ConsistItemSerializer(serializers.ModelSerializer):
+    # rolling_stock = RollingStockSerializer()
+
+    class Meta:
+        model = ConsistItem
+        fields = ("order", "rolling_stock")
+
+
+class ConsistSerializer(serializers.ModelSerializer):
+    company = CompanySerializer()
+    consist_item = ConsistItemSerializer(many=True)
+    tags = TagSerializer(many=True)
+
+    class Meta:
+        model = Consist
+        fields = "__all__"

ram/consist/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

ram/consist/urls.py

@@ -0,0 +1,6 @@
+from django.urls import path
+from consist.views import ConsistList
+
+urlpatterns = [
+    path("list", ConsistList.as_view()),
+]

ram/consist/views.py

@@ -0,0 +1,15 @@
+from rest_framework.generics import ListAPIView, RetrieveAPIView
+
+from consist.models import Consist
+from consist.serializers import ConsistSerializer
+
+
+class ConsistList(ListAPIView):
+    queryset = Consist.objects.all()
+    serializer_class = ConsistSerializer
+
+
+class ConsistGet(RetrieveAPIView):
+    queryset = Consist.objects.all()
+    serializer_class = ConsistSerializer
+    lookup_field = "uuid"