Add consist app

dcc/roster/admin.py

@@ -1,6 +1,6 @@
 from django.contrib import admin
 from roster.models import (
-    RollingStock, RollingStockImage, RollingStockDocument, Engine, Car,
+    RollingStockImage, RollingStockDocument, Engine, Car,
     Equipment, Other)
 
 

dcc/roster/migrations/0003_consistitem_consist.py

@@ -0,0 +1,36 @@
+# Generated by Django 4.0.2 on 2022-04-02 09:09
+
+from django.db import migrations, models
+import django.db.models.deletion
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('metadata', '0001_initial'),
+        ('roster', '0002_alter_rollingstock_address'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ConsistItem',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('rolling_stock', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='roster.rollingstock')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Consist',
+            fields=[
+                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('identifier', models.CharField(max_length=128)),
+                ('epoch', 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')),
+            ],
+        ),
+    ]

dcc/roster/migrations/0004_consistitem_consist.py

@@ -0,0 +1,20 @@
+# Generated by Django 4.0.2 on 2022-04-02 09:13
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('roster', '0003_consistitem_consist'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='consistitem',
+            name='consist',
+            field=models.ForeignKey(default=None, on_delete=django.db.models.deletion.CASCADE, to='roster.consist'),
+            preserve_default=False,
+        ),
+    ]

dcc/roster/migrations/0005_remove_consistitem_consist_and_more.py

@@ -0,0 +1,27 @@
+# Generated by Django 4.0.2 on 2022-04-02 09:21
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('roster', '0004_consistitem_consist'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='consistitem',
+            name='consist',
+        ),
+        migrations.RemoveField(
+            model_name='consistitem',
+            name='rolling_stock',
+        ),
+        migrations.DeleteModel(
+            name='Consist',
+        ),
+        migrations.DeleteModel(
+            name='ConsistItem',
+        ),
+    ]

dcc/roster/models.py

@@ -37,9 +37,7 @@ class RollingStock(models.Model):
     epoch = models.CharField(max_length=32, blank=True)
     production_year = models.SmallIntegerField(null=True, blank=True)
     purchase_date = models.DateField(null=True, blank=True)
-
     notes = models.TextField(blank=True)
-
     creation_time = models.DateTimeField(auto_now_add=True)
     updated_time = models.DateTimeField(auto_now=True)