add some fields to transaction & sale item

apps/warehouse/migrations/0030_rename_pre_sale_inventoryquotasaletransaction_pre_sale_state_and_more.py

@@ -0,0 +1,23 @@
+# Generated by Django 5.0 on 2025-09-21 08:56
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('warehouse', '0029_inventoryquotasaletransaction_free_sale_state_and_more'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='inventoryquotasaletransaction',
+            old_name='pre_sale',
+            new_name='pre_sale_state',
+        ),
+        migrations.AddField(
+            model_name='inventoryquotasaleitem',
+            name='is_pre_sale',
+            field=models.BooleanField(default=False),
+        ),
+    ]

apps/warehouse/models.py

@@ -114,7 +114,7 @@ class InventoryQuotaSaleTransaction(BaseModel):
     terminal = models.CharField(max_length=50, null=True)
     payer_cart = models.CharField(max_length=50, null=True)
     free_sale_state = models.BooleanField(default=False)
-    pre_sale = models.BooleanField(default=False)
+    pre_sale_state = models.BooleanField(default=False)
     additional = models.JSONField(default=dict)
 
     @property
@@ -152,6 +152,7 @@ class InventoryQuotaSaleItem(BaseModel):
     unit_price = models.PositiveBigIntegerField(default=0)
     total_price = models.PositiveBigIntegerField(default=0)
     is_extra = models.BooleanField(default=False)
+    is_pre_sale = models.BooleanField(default=False)
 
     def __str__(self):
         return f'Item {self.product} - {self.weight} Kg - {self.total_price}'

apps/warehouse/pos/api/v1/api.py

@@ -128,8 +128,8 @@ class InventoryQuotaSaleTransactionViewSet(viewsets.ModelViewSet, DynamicSearchM
             return self.get_paginated_response(serializer.data)
 
 
-class QuotaPreSaleItemViewSet(viewsets.ModelViewSet):
+class QuotaPreSaleItemViewSet(viewsets.ModelViewSet, DynamicSearchMixin, POSDeviceMixin):
     queryset = warehouse_models.QuotaPreSaleItem.objects.all().select_related(
         'organization', 'transaction', 'sale_item'
     )
-    serializer_class = warehouse_serializers
+    serializer_class = warehouse_serializers.QuotaPreSaleItemSerializer

apps/warehouse/pos/api/v1/serializers.py

@@ -208,3 +208,7 @@ class QuotaPreSaleItemSerializer(serializers.ModelSerializer):
     class Meta:
         model = warehouse_models.QuotaPreSaleItem
         fields = '__all__'
+
+    def create(self, validated_data):
+        with atomic():
+            pass

apps/warehouse/pos/api/v1/urls.py

@@ -6,6 +6,7 @@ router = DefaultRouter()
 
 router.register(r'inventory_entry', api.InventoryEntryViewSet, basename='inventory_entry')
 router.register(r'transaction', api.InventoryQuotaSaleTransactionViewSet, basename='transaction')
+router.register(r'pre_sale', api.QuotaPreSaleItemViewSet, basename='pre_sale')
 
 urlpatterns = [
     path('v1/', include(router.urls))

apps/warehouse/services/services.py

@@ -3,7 +3,8 @@ from apps.warehouse.models import (
     InventoryEntry,
     InventoryQuotaSaleTransaction,
     InventoryQuotaSaleItem,
-    ExtraSale
+    ExtraSale,
+    QuotaPreSaleItem
 )
 from apps.product.models import QuotaDistribution
 from apps.core.models import SystemConfig
@@ -87,7 +88,34 @@ def create_extra_sale(
             sale_item.quota_distribution.warehouse_balance = 0
             sale_item.quota_distribution.save()
 
+            # set transaction as free sale
+            transaction.free_sale_state = True
+            transaction.save()
+
+            # set sale item as extra sale
+            sale_item.is_extra = True
+            sale_item.save()
+
             return extra_sale
         pass
     pass
 
+
+def create_pre_sale(
+        transaction: InventoryQuotaSaleTransaction,
+        sale_item: InventoryQuotaSaleItem
+) -> typing.Any:
+    """
+    :param transaction
+    :param sale_item
+    Create pre_sale for distributions
+    """
+
+    if sale_item.quota_distribution.pre_sale:
+        # create pre sale
+        pre_sale = QuotaPreSaleItem.objects.create(
+            transaction=transaction,
+            sale_item=sale_item,
+            distribution=sale_item.quota_distribution,
+            weight=sale_item.weight
+        )