fix - device pre register & exception handling with json response

apps/warehouse/migrations/0041_alter_inventoryquotasaletransaction_payer_cart_and_more.py

@@ -0,0 +1,43 @@
+# Generated by Django 5.0 on 2025-11-09 11:00
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('warehouse', '0040_inventoryquotasaleitem_base_price_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='inventoryquotasaletransaction',
+            name='payer_cart',
+            field=models.CharField(blank=True, max_length=50, null=True),
+        ),
+        migrations.AlterField(
+            model_name='inventoryquotasaletransaction',
+            name='rancher_fullname',
+            field=models.CharField(blank=True, max_length=150, null=True),
+        ),
+        migrations.AlterField(
+            model_name='inventoryquotasaletransaction',
+            name='rancher_mobile',
+            field=models.CharField(blank=True, max_length=25, null=True),
+        ),
+        migrations.AlterField(
+            model_name='inventoryquotasaletransaction',
+            name='ref_num',
+            field=models.CharField(blank=True, max_length=50, null=True),
+        ),
+        migrations.AlterField(
+            model_name='inventoryquotasaletransaction',
+            name='result_text',
+            field=models.TextField(blank=True, null=True),
+        ),
+        migrations.AlterField(
+            model_name='inventoryquotasaletransaction',
+            name='terminal',
+            field=models.CharField(blank=True, max_length=50, null=True),
+        ),
+    ]

apps/warehouse/models.py

@@ -66,8 +66,8 @@ class InventoryQuotaSaleTransaction(BaseModel):
         related_name='transactions',
         null=True
     )
-    rancher_fullname = models.CharField(max_length=150, null=True)
-    rancher_mobile = models.CharField(max_length=25, null=True)
+    rancher_fullname = models.CharField(max_length=150, null=True, blank=True)
+    rancher_mobile = models.CharField(max_length=25, null=True, blank=True)
     pos_device = models.ForeignKey(
         Device,
         on_delete=models.CASCADE,
@@ -119,10 +119,10 @@ class InventoryQuotaSaleTransaction(BaseModel):
     )
     transaction_status = models.CharField(choices=status_type, max_length=25, null=True)
     transaction_status_code = models.IntegerField(default=0)
-    result_text = models.TextField(null=True)
-    ref_num = models.CharField(max_length=50, null=True)
-    terminal = models.CharField(max_length=50, null=True)
-    payer_cart = models.CharField(max_length=50, null=True)
+    result_text = models.TextField(null=True, blank=True)
+    ref_num = models.CharField(max_length=50, null=True, blank=True)
+    terminal = models.CharField(max_length=50, null=True, blank=True)
+    payer_cart = models.CharField(max_length=50, null=True, blank=True)
     pos_date = models.PositiveBigIntegerField(default=0)
     transaction_date = models.DateTimeField(auto_now_add=True, null=True)
     free_sale_state = models.BooleanField(default=False)