1

video-gen-api/app/services/payment.py

@@ -300,7 +300,11 @@ def _create_alipay_order(order: PaymentOrder, db_configs: dict[str, str]) -> str
         from alipay.aop.api.request.AlipayTradePrecreateRequest import (
             AlipayTradePrecreateRequest,
         )
+        from alipay.aop.api.response.AlipayTradePrecreateResponse import (
+            AlipayTradePrecreateResponse,
+        )
 
+        # 构造业务参数
         model = AlipayTradePrecreateModel()
         model.out_trade_no = order.order_no
         model.total_amount = f"{order.amount:.2f}"
@@ -313,21 +317,27 @@ def _create_alipay_order(order: PaymentOrder, db_configs: dict[str, str]) -> str
         if body_parts:
             model.body = " ".join(body_parts)
 
-        request = AlipayTradePrecreateRequest()
-        request.biz_model = model
+        # 构造请求
+        request = AlipayTradePrecreateRequest(biz_model=model)
 
-        response = client.execute(request)
+        # 执行API调用
+        response_content = client.execute(request)
+        if not response_content:
+            logger.error(f"Alipay precreate failed: empty response, order_no={order.order_no}")
+            return None
 
-        # Some SDK versions return a string; parse it into a response object
-        from alipay.aop.api.response.AlipayTradePrecreateResponse import (
-            AlipayTradePrecreateResponse,
-        )
-        if isinstance(response, str):
-            resp_obj = AlipayTradePrecreateResponse()
-            resp_obj.parse_response_content(response)
-            response = resp_obj
+        # 解析响应结果
+        response = AlipayTradePrecreateResponse()
+        response.parse_response_content(response_content)
 
-        if not response.is_success():
+        if response.is_success():
+            qr_url = response.qr_code
+            logger.info(
+                f"Alipay precreate success: order_no={order.order_no}, "
+                f"qr_url={qr_url}"
+            )
+            return qr_url
+        else:
             logger.error(
                 f"Alipay precreate failed: code={response.code}, "
                 f"msg={response.msg}, sub_code={response.sub_code}, "
@@ -335,13 +345,6 @@ def _create_alipay_order(order: PaymentOrder, db_configs: dict[str, str]) -> str
             )
             return None
 
-        qr_url = response.qr_code
-        logger.info(
-            f"Alipay precreate success: order_no={order.order_no}, "
-            f"qr_url={qr_url}"
-        )
-        return qr_url
-
     except Exception:
         logger.exception(f"Alipay precreate exception: order_no={order.order_no}")
         return None