feat(itam): Add device history model

ref: #605 #616

app/itam/migrations/0009_devicehistory.py

@@ -0,0 +1,29 @@
+# Generated by Django 5.1.5 on 2025-02-15 12:10
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0015_modelhistory'),
+        ('itam', '0008_alter_device_organization_and_more'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='DeviceHistory',
+            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.device', verbose_name='Model')),
+            ],
+            options={
+                'verbose_name': 'Device History',
+                'verbose_name_plural': 'Device History',
+                'db_table': 'itam_device_history',
+                'ordering': ['-created'],
+            },
+            bases=('core.modelhistory',),
+        ),
+    ]

app/itam/models/device.py

@@ -340,6 +340,19 @@ class Device(DeviceCommonFieldsName, SaveHistory):
     ]
 
 
+
+    def get_serialized_model(self, serializer_context):
+
+        model = None
+
+        from itam.serializers.device import DeviceBaseSerializer
+
+        model = DeviceBaseSerializer(self, context = serializer_context)
+
+        return model
+
+
+
     def save(
             self, force_insert=False, force_update=False, using=None, update_fields=None
         ):
@@ -383,6 +396,22 @@ class Device(DeviceCommonFieldsName, SaveHistory):
         ).delete()
 
 
+
+    def save_history(self, before: dict, after: dict) -> bool:
+
+        from itam.models.device_history import DeviceHistory
+
+        history = super().save_history(
+            before = before,
+            after = after,
+            history_model = DeviceHistory
+        )
+
+
+        return history
+
+
+
     def __str__(self):
 
         return self.name

app/itam/models/device_history.py

@@ -0,0 +1,53 @@
+from django.db import models
+
+from core.models.model_history import ModelHistory
+
+from itam.models.device import Device
+
+
+
+class DeviceHistory(
+    ModelHistory
+):
+
+
+    class Meta:
+
+        db_table = 'itam_device_history'
+
+        ordering = ModelHistory._meta.ordering
+
+        verbose_name = 'Device History'
+
+        verbose_name_plural = 'Device History'
+
+
+    model = models.ForeignKey(
+        Device,
+        blank = False,
+        help_text = 'Model this note belongs to',
+        null = False,
+        on_delete = models.CASCADE,
+        related_name = 'history',
+        verbose_name = 'Model',
+    )
+
+    table_fields: list = []
+
+    page_layout: dict = []
+
+
+    def get_object(self):
+
+        return self
+
+
+    def get_serialized_model(self, serializer_context):
+
+        model = None
+
+        from itam.serializers.device import DeviceBaseSerializer
+
+        model = DeviceBaseSerializer(self.model, context = serializer_context)
+
+        return model