feat: statement for supplier and customer

business/admin.py

@@ -125,6 +125,68 @@ class SalesReturnOrderItemAdmin(admin.ModelAdmin):
         return obj.total_amount()
 
 
+@admin.register(models.SalesOrder)
+class SalesOrderAdmin(admin.ModelAdmin):
+    list_display = ('id', 'customer', 'sales_date', 'operator', 'status', '_total_amount', '_diff_quantity', '_total_quantity', 'created_at')
+    search_fields = ('customer__name',)
+    list_filter = ('operator', 'warehouse', 'status', 'created_at')
+    ordering = ('-created_at',)
+
+    @admin.display(description='总价')
+    def _total_amount(self, obj: models.SalesOrder):
+        return obj.get_total_amount()
+
+    @admin.display(description='差异数量')
+    def _diff_quantity(self, obj: models.SalesOrder):
+        return obj.get_total_diff_quantity()
+
+    @admin.display(description='总数量')
+    def _total_quantity(self, obj: models.SalesOrder):
+        return obj.get_total_quantity()
+
+
+@admin.register(models.SalesOrderItem)
+class SalesOrderItemAdmin(admin.ModelAdmin):
+    list_display = (
+        'id', 'sales_order', 'product',
+        'quantity', 'unit', 'price', 'batch_number',
+        '_total_amount', 'empty_diff_percent',
+        '_real_quantity', '_diff_quantity',
+        'num_of_rolls',
+    )
+    search_fields = ('sales_order__id', 'product__name')
+    list_filter = ('sales_order__operator', 'sales_order__warehouse', 'created_at')
+    ordering = ('-created_at',)
+
+    @admin.display(description='实际数量')
+    def _real_quantity(self, obj: models.SalesOrderItem):
+        return obj.real_quantity()
+
+    @admin.display(description='差异数量')
+    def _diff_quantity(self, obj: models.SalesOrderItem):
+        return obj.diff_quantity()
+
+    @admin.display(description='总金额')
+    def _total_amount(self, obj: models.SalesOrderItem):
+        return obj.total_amount()
+
+
+@admin.register(models.PaymentOrder)
+class PaymentOrderAdmin(admin.ModelAdmin):
+    list_display = ('id', 'supplier', 'payment_date', 'amount', 'operator', 'status', 'created_at')
+    search_fields = ('supplier__name',)
+    list_filter = ('operator', 'status', 'created_at')
+    ordering = ('-created_at',)
+
+
+@admin.register(models.ReceiptOrder)
+class ReceiptOrderAdmin(admin.ModelAdmin):
+    list_display = ('id', 'customer', 'receipt_date', 'amount', 'operator', 'status', 'created_at')
+    search_fields = ('customer__name',)
+    list_filter = ('operator', 'status', 'created_at')
+    ordering = ('-created_at',)
+
+
 @admin.register(models.CustomerBalance)
 class CustomerBalancemAdmin(admin.ModelAdmin):
     list_display = ('id', 'customer', 'balance', 'created_at')
@@ -132,6 +194,13 @@ class CustomerBalancemAdmin(admin.ModelAdmin):
     ordering = ('-created_at',)
 
 
+@admin.register(models.SupplierBalance)
+class SupplierBalanceAdmin(admin.ModelAdmin):
+    list_display = ('id', 'supplier', 'balance', 'created_at')
+    search_fields = ('supplier__name',)
+    ordering = ('-created_at',)
+
+
 @admin.register(models.BalanceChangeRecord)
 class BalanceChangeRecordAdmin(admin.ModelAdmin):
     list_display = ('id', 'merchant', 'target_type', 'source_type', 'source_id', 'delta', 'balance_before', 'balance_after', 'direction', 'created_at')

business/services.py

@@ -1246,7 +1246,7 @@ def _build_stock_flow_items_from_order(order) -> List[Dict[str, Any]]:
             items_payload.append({
                 'product_id': item.product_id,
                 'value': str(item.quantity),
-                'num_of_rolls': item.num_of_rolls,
+                'num_of_rolls': item.num_of_rolls or 1,
             })
         return items_payload
 

business/tests.py

@@ -276,6 +276,27 @@ class PurchaseOrderServiceTestCase(TestCase):
             created_by_id=self.user.id,
         )
 
+    def test_purchase_order_relaxed_mode_even_split(self):
+        purchase_order = services.create_purchase_order(
+            merchant=self.merchant,
+            supplier=self.supplier,
+            order_date=timezone.now().date(),
+            warehouse=self.warehouse_relaxed,
+            operator=self.operator,
+            items=[{'product_id': self.product.id, 'quantity': 99, 'num_of_rolls': 2, 'price': '10.0', 'unit': '米'}],
+            created_by=self.user,
+        )
+        stock_flow_items = services._build_stock_flow_items_from_order(purchase_order)
+        payload = services.create_purchase_order_stock_entries_sync(
+            purchase_order_id=purchase_order.id,
+            warehouse_id=self.warehouse_relaxed.id,
+            items=stock_flow_items,
+            created_by_id=self.user.id,
+        )
+        record = stock_models.StockChangeRecord.objects.get(id=payload['stock_change_record_id'])
+        quantities = sorted([detail.quantity for detail in record.details.order_by('id')], reverse=True)
+        self.assertEqual(quantities, [Decimal('49.50'), Decimal('49.50')])
+
 
 class SalesOrderServiceTestCase(TestCase):
     def setUp(self):
@@ -633,6 +654,40 @@ class SalesReturnServiceTestCase(TestCase):
                 target_status=business_models.SalesReturnStatusEnum.CANCELLED,
             )
 
+    def test_sales_return_relaxed_mode_stock_payload_preserves_rolls(self):
+        order = services.create_sales_return_order(
+            merchant=self.merchant,
+            customer=self.customer,
+            return_date=timezone.now().date(),
+            warehouse=self.warehouse_relaxed,
+            operator=self.operator,
+            items=[{'product_id': self.product.id, 'quantity': 100, 'num_of_rolls': 1, 'price': '22.0'}],
+        )
+        stock_flow_items = services._build_stock_flow_items_from_order(order)
+        self.assertEqual(len(stock_flow_items), 1)
+        self.assertEqual(stock_flow_items[0]['num_of_rolls'], 1)
+
+    def test_sales_return_relaxed_mode_even_split(self):
+        order = services.create_sales_return_order(
+            merchant=self.merchant,
+            customer=self.customer,
+            return_date=timezone.now().date(),
+            warehouse=self.warehouse_relaxed,
+            operator=self.operator,
+            items=[{'product_id': self.product.id, 'quantity': 100, 'num_of_rolls': 3, 'price': '22.0'}],
+            created_by=self.user,
+        )
+        stock_flow_items = services._build_stock_flow_items_from_order(order)
+        payload = services.create_sales_return_order_stock_entries_sync(
+            sales_return_order_id=order.id,
+            warehouse_id=self.warehouse_relaxed.id,
+            items=stock_flow_items,
+            created_by_id=self.user.id,
+        )
+        record = stock_models.StockChangeRecord.objects.get(id=payload['stock_change_record_id'])
+        quantities = sorted([detail.quantity for detail in record.details.order_by('id')], reverse=True)
+        self.assertEqual(quantities, [Decimal('33.34'), Decimal('33.33'), Decimal('33.33')])
+
 class PaymentReceiptServiceTestCase(TestCase):
     def setUp(self):
         (