add: add new field to order model

core/apps/orders/migrations/0003_order_order_number.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2 on 2025-08-27 14:19
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('orders', '0002_order_location_en_order_location_ru_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='order',
+            name='order_number',
+            field=models.PositiveBigIntegerField(default=1),
+        ),
+    ]

core/apps/orders/models.py

@@ -12,6 +12,7 @@ class Order(BaseModel):
         ('Yetkazib berilgan', 'Yetkazib berilgan')
     )
 
+    order_number = models.PositiveBigIntegerField(default=1)
     user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='orders')
     name = models.CharField(max_length=200)
     date = models.DateField()
@@ -20,10 +21,21 @@ class Order(BaseModel):
     total_price = models.PositiveBigIntegerField()
     is_paid = models.BooleanField(default=False)
     location = models.CharField(max_length=200)
+    location_to = models.CharField(max_length=200, null=True)
+    location_from = models.CharField(max_length=200, null=True)
 
     def __str__(self):
         return f'{self.user} user order {self.name}'
     
+    def save(self, *args, **kwargs):
+        if not self.order_number:
+            last_order = Order.objects.all().order_by('-order_number').first()
+            if last_order:
+                self.order_number = last_order.order_number + 1
+            else:
+                self.order_number = 1
+        super().save(*args, **kwargs)
+    
     class Meta:
         verbose_name = 'Buyurtma'
         verbose_name_plural = 'buyurtmalar'

core/apps/orders/serializers.py

@@ -7,5 +7,6 @@ class OrderListSerializer(serializers.ModelSerializer):
     class Meta:
         model = Order
         fields = [
-            'id', 'name', 'date', 'status', 'size', 'total_price', 'is_paid', 'location'
+            'id', 'name', 'date', 'status', 'size', 'total_price', 'is_paid', 'location', 'location_to',
+            'location_from'
         ]

core/apps/orders/translation.py

@@ -6,5 +6,5 @@ from core.apps.orders.models import Order
 @translator.register(Order)
 class OrderTranslation(translator.TranslationOptions):
     fields = [
-        'name', 'location'
+        'name', 'location', 'location_to', 'location_from'
     ]