feat(itam): History Model migrations for Device Model

ref: #605 #617

app/itam/migrations/0011_devicemodelhistory.py

@@ -0,0 +1,29 @@
+# Generated by Django 5.1.5 on 2025-02-16 13:15
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0018_ticketcommentcategoryhistory'),
+        ('itam', '0010_devicesoftwarehistory'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='DeviceModelHistory',
+            fields=[
+                ('modelhistory_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='core.modelhistory')),
+                ('model', models.ForeignKey(help_text='Model this note belongs to', on_delete=django.db.models.deletion.CASCADE, related_name='history', to='itam.devicemodel', verbose_name='Model')),
+            ],
+            options={
+                'verbose_name': 'Device Model History',
+                'verbose_name_plural': 'Device Model History',
+                'db_table': 'itam_devicemodel_history',
+                'ordering': ['-created'],
+            },
+            bases=('core.modelhistory',),
+        ),
+    ]

app/itam/viewsets/device_model.py

@@ -2,6 +2,8 @@ from drf_spectacular.utils import extend_schema, extend_schema_view, OpenApiResp
 
 from api.viewsets.common import ModelViewSet
 
+# THis import only exists so that the migrations can be created
+from itam.models.device_model_history import DeviceModelHistory    # pylint: disable=W0611:unused-import
 from itam.serializers.device_model import (
     DeviceModel,
     DeviceModelModelSerializer,