fix(app): 修复增值税处理错误

- 将 va_tax 变量名更改为 vat_tax，以提高代码可读性
- 在处理小数据列表时使用正确的变量名
- 在推送数据时添加 vat_tax 字段
- 根据原始余额和总金额计算增值税，并使用新变量名

app/vc/spa.py

@@ -138,7 +138,7 @@ class Spa(AutoInterface):
 
         return processed_items
 
-    def __process_small_items(self, item_list, relation_data, coop, va_tax):
+    def __process_small_items(self, item_list, relation_data, coop, vat_tax):
         """处理小数据列表 (item_list 长度 < 10)"""
         processed_items = []
         for _, item in item_list.iterrows():
@@ -173,7 +173,7 @@ class Spa(AutoInterface):
             processed_item["Group Name"] = relation.get("name")
             processed_item['Group Code'] = relation.get("code")
             processed_item["Original balance"] = original_balance
-            processed_item["vat"] = va_tax
+            processed_item["vat"] = vat_tax
             processed_items.append(processed_item)
         return processed_items
 
@@ -270,7 +270,8 @@ class Spa(AutoInterface):
                     'type': 2,  # 1 sheet1 2 其他sheet
                     'parent_id': parent_id,  # sheet1 为Invoice ID 其他sheet为sheet名称
                     'order_no': item_row.get('Purchase Order', ""),  # 订单号
-                    'agreement_title': agreement_type
+                    'agreement_title': agreement_type,
+                    'vat_tax': item_row.get('vat_tax', 0)
                 }
                 # 推送数据
                 rabbit.send_message(push_data)
@@ -312,24 +313,24 @@ class Spa(AutoInterface):
             original_balance = coop.get("Original balance", 0.0)
             original_balance = helper.extract_numeric_value(original_balance, self.country)
             # 0 没有税 1 有税
-            va_tax = int(total_amount != original_balance)
+            vat_tax = int(total_amount != original_balance)
 
             if len(item_dict) > 1:
                 for i, value in enumerate(item_dict.values(), start=1):
                     invoice_id_num = f"{invoice_id}-{i}"
-                    processed_items = self.__process_large_items(value, relation_data, coop, va_tax)
+                    processed_items = self.__process_large_items(value, relation_data, coop, vat_tax)
                     if processed_items:
                         large_sheet_data[invoice_id_num] = processed_items
             else:
                 item_list = item_dict.get('Accrual For Current Period')
                 # 如果是列表且长度 >= 10 则新增sheet
                 if len(item_list) >= 10:
-                    processed_items = self.__process_large_items(item_list, relation_data, coop, va_tax)
+                    processed_items = self.__process_large_items(item_list, relation_data, coop, vat_tax)
                     if processed_items:
                         large_sheet_data[invoice_id] = processed_items
                 else:
                     # 如果是较小的列表
-                    processed_items = self.__process_small_items(item_list, relation_data, coop, va_tax)
+                    processed_items = self.__process_small_items(item_list, relation_data, coop, vat_tax)
                     sheet_data.extend(processed_items)
 
         # 保存数据到 Excel 文件