feat: sales return order and purchase return order

business/admin.py

@@ -49,6 +49,82 @@ class PurchaseOrderItemAdmin(admin.ModelAdmin):
         return obj.total_amount()
 
 
+@admin.register(models.PurchaseReturnOrder)
+class PurchaseReturnOrderAdmin(admin.ModelAdmin):
+    list_display = ('id', 'supplier', 'return_date', 'operator', 'status', '_total_amount', 'created_at')
+    search_fields = ('supplier__name',)
+    list_filter = ('operator', 'warehouse', 'status', 'created_at')
+    ordering = ('-created_at',)
+
+    @admin.display(description='总价')
+    def _total_amount(self, obj: models.PurchaseReturnOrder):
+        return obj.get_total_amount()
+
+
+@admin.register(models.PurchaseReturnOrderItem)
+class PurchaseReturnOrderItemAdmin(admin.ModelAdmin):
+    list_display = (
+        'id', 'purchase_return_order', 'product',
+        'quantity', 'unit', 'price', 'batch_number',
+        '_total_amount', 'empty_diff_percent',
+        '_real_quantity', '_diff_quantity',
+        'num_of_rolls',
+    )
+    search_fields = ('purchase_return_order__id', 'product__name')
+    list_filter = ('purchase_return_order__operator', 'purchase_return_order__warehouse', 'created_at')
+    ordering = ('-created_at',)
+
+    @admin.display(description='实际数量')
+    def _real_quantity(self, obj: models.PurchaseReturnOrderItem):
+        return obj.real_quantity()
+
+    @admin.display(description='差异数量')
+    def _diff_quantity(self, obj: models.PurchaseReturnOrderItem):
+        return obj.diff_quantity()
+
+    @admin.display(description='总金额')
+    def _total_amount(self, obj: models.PurchaseReturnOrderItem):
+        return obj.total_amount()
+
+
+@admin.register(models.SalesReturnOrder)
+class SalesReturnOrderAdmin(admin.ModelAdmin):
+    list_display = ('id', 'customer', 'return_date', 'operator', 'status', '_total_amount', '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.SalesReturnOrder):
+        return obj.get_total_amount()
+
+
+@admin.register(models.SalesReturnOrderItem)
+class SalesReturnOrderItemAdmin(admin.ModelAdmin):
+    list_display = (
+        'id', 'sales_return_order', 'product',
+        'quantity', 'unit', 'price', 'batch_number',
+        '_total_amount', 'empty_diff_percent',
+        '_real_quantity', '_diff_quantity',
+        'num_of_rolls',
+    )
+    search_fields = ('sales_return_order__id', 'product__name')
+    list_filter = ('sales_return_order__operator', 'sales_return_order__warehouse', 'created_at')
+    ordering = ('-created_at',)
+
+    @admin.display(description='实际数量')
+    def _real_quantity(self, obj: models.SalesReturnOrderItem):
+        return obj.real_quantity()
+
+    @admin.display(description='差异数量')
+    def _diff_quantity(self, obj: models.SalesReturnOrderItem):
+        return obj.diff_quantity()
+
+    @admin.display(description='总金额')
+    def _total_amount(self, obj: models.SalesReturnOrderItem):
+        return obj.total_amount()
+
+
 @admin.register(models.CustomerBalance)
 class CustomerBalancemAdmin(admin.ModelAdmin):
     list_display = ('id', 'customer', 'balance', 'created_at')