feat(orders): store logistics ETA internally in Order and SellerOrder database

orders/migrations/0005_order_expected_delivery_date.py

@@ -0,0 +1,18 @@
+# Generated by Django 6.1 on 2026-10-14 16:17
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('orders', '0004_order_awb_number_order_shipping_carrier_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='order',
+            name='expected_delivery_date',
+            field=models.CharField(blank=True, max_length=100, null=True),
+        ),
+    ]

orders/models.py

@@ -108,6 +108,7 @@ class Order(models.Model):
     awb_number = models.CharField(max_length=100, blank=True, null=True)
     shipping_carrier = models.CharField(max_length=50, default='Shadowfax')
     shipping_status = models.CharField(max_length=100, blank=True, null=True, default='new')
+    expected_delivery_date = models.CharField(max_length=100, blank=True, null=True)
 
     def __str__(self):
         return f"Order {self.id} by {self.user.username}"

orders/serializers.py

@@ -36,7 +36,7 @@ class OrderSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = Order
-        fields = ['id', 'username', 'razorpay_order_id', 'razorpay_payment_id', 'total_amount', 'status', 'shipping_address', 'cancellation_reason', 'return_reason', 'placed_at', 'awb_number', 'shipping_carrier', 'shipping_status']
+        fields = ['id', 'username', 'razorpay_order_id', 'razorpay_payment_id', 'total_amount', 'status', 'shipping_address', 'cancellation_reason', 'return_reason', 'placed_at', 'awb_number', 'shipping_carrier', 'shipping_status', 'expected_delivery_date']
 
 class AddressSerializer(serializers.ModelSerializer):
     class Meta:

orders/views.py

@@ -979,6 +979,20 @@ class OrderTrackView(APIView):
             if seller_order and seller_order.status in ['Pending Acceptance', 'Ready to Ship']:
                 SellerOrder.objects.filter(Q(order_id__startswith=f"{order.id}-") | Q(order_id=str(order.id))).update(status='Shipped')
 
+        # Store live ETA in DB internally across Order and SellerOrder
+        live_eta = None
+        if live_data and isinstance(live_data.get('data'), dict):
+            live_eta = live_data['data'].get('expected_delivery_date') or (live_data['data'].get('order_details') or {}).get('expected_delivery_date')
+
+        if order and live_eta and order.expected_delivery_date != str(live_eta):
+            order.expected_delivery_date = str(live_eta)
+            order.save(update_fields=['expected_delivery_date'])
+
+        if live_eta and (order or order_id):
+            SellerOrder.objects.filter(
+                Q(order_id__startswith=f"{order.id}-") | Q(order_id=str(order.id)) if order else Q(order_id=str(order_id))
+            ).update(eta=str(live_eta))
+
         if not live_data or 'data' not in live_data:
             placed_ts = order.placed_at.strftime('%Y-%m-%dT%H:%M:%SZ') if (order and getattr(order, 'placed_at', None)) else '2026-10-09T10:00:00Z'