some changes in inventory serializer - creted date & distribution data

apps/pos_device/migrations/0009_device_is_activated_deviceactivationcode.py

@@ -0,0 +1,43 @@
+# Generated by Django 5.0 on 2025-07-28 13:45
+
+import datetime
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pos_device', '0008_device_device_identity_deviceassignment'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='device',
+            name='is_activated',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.CreateModel(
+            name='DeviceActivationCode',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('create_date', models.DateTimeField(auto_now_add=True)),
+                ('modify_date', models.DateTimeField(auto_now=True)),
+                ('creator_info', models.CharField(max_length=100, null=True)),
+                ('modifier_info', models.CharField(max_length=100, null=True)),
+                ('trash', models.BooleanField(default=False)),
+                ('code', models.CharField(max_length=10, null=True, unique=True)),
+                ('expires_at', models.DateTimeField(default=datetime.datetime(2025, 7, 28, 17, 15, 1, 601936))),
+                ('is_used', models.BooleanField(default=False)),
+                ('company', models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='code', to='pos_device.providercompany')),
+                ('created_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='%(class)s_createddby', to=settings.AUTH_USER_MODEL)),
+                ('device', models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='code', to='pos_device.device')),
+                ('modified_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='%(class)s_modifiedby', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]