Cables are now a thing, unfortunately by making a monolithic Asset model

Co-authored-by: Arona Jones <aj@aronajones.com>

assets/migrations/0010_auto_20191013_2123.py

@@ -0,0 +1,67 @@
+# Generated by Django 2.0.13 on 2019-10-13 20:23
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('assets', '0009_auto_20191008_2148'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='cable',
+            name='asset_ptr',
+        ),
+        migrations.RemoveField(
+            model_name='cable',
+            name='plug',
+        ),
+        migrations.RemoveField(
+            model_name='cable',
+            name='socket',
+        ),
+        migrations.AlterModelOptions(
+            name='asset',
+            options={},
+        ),
+        migrations.RemoveField(
+            model_name='asset',
+            name='polymorphic_ctype',
+        ),
+        migrations.AddField(
+            model_name='asset',
+            name='circuits',
+            field=models.IntegerField(blank=True, null=True),
+        ),
+        migrations.AddField(
+            model_name='asset',
+            name='cores',
+            field=models.IntegerField(blank=True, null=True),
+        ),
+        migrations.AddField(
+            model_name='asset',
+            name='csa',
+            field=models.DecimalField(blank=True, decimal_places=2, help_text='mm^2', max_digits=10, null=True),
+        ),
+        migrations.AddField(
+            model_name='asset',
+            name='length',
+            field=models.DecimalField(blank=True, decimal_places=1, help_text='m', max_digits=10, null=True),
+        ),
+        migrations.AddField(
+            model_name='asset',
+            name='plug',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='plug', to='assets.Connector'),
+        ),
+        migrations.AddField(
+            model_name='asset',
+            name='socket',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='socket', to='assets.Connector'),
+        ),
+        migrations.DeleteModel(
+            name='Cable',
+        ),
+    ]

assets/migrations/0011_auto_20191013_2247.py

@@ -0,0 +1,24 @@
+# Generated by Django 2.0.13 on 2019-10-13 21:47
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('assets', '0010_auto_20191013_2123'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='asset',
+            name='plug',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='plug', to='assets.Connector'),
+        ),
+        migrations.AlterField(
+            model_name='asset',
+            name='socket',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='socket', to='assets.Connector'),
+        ),
+    ]