核销代码

server/dukang-api/src/common/filters/http-exception.filter.ts

@@ -5,6 +5,23 @@ import {
   HttpException,
   HttpStatus,
 } from '@nestjs/common';
+import { Prisma } from '@prisma/client';
+
+function prismaErrorMessage(exception: Prisma.PrismaClientKnownRequestError): string {
+  switch (exception.code) {
+    case 'P2002':
+      return '数据冲突，请刷新后重试';
+    case 'P2003':
+      return '关联数据不存在，请检查门店/权益配置';
+    case 'P2021':
+    case 'P2022':
+      return '数据库表结构未同步，请在服务器执行 prisma db push';
+    case 'P2025':
+      return '记录不存在或已被删除';
+    default:
+      return exception.message;
+  }
+}
 
 @Catch()
 export class HttpExceptionFilter implements ExceptionFilter {
@@ -27,10 +44,29 @@ export class HttpExceptionFilter implements ExceptionFilter {
       return;
     }
 
+    if (exception instanceof Prisma.PrismaClientKnownRequestError) {
+      console.error(exception);
+      response.status(HttpStatus.BAD_REQUEST).json({
+        code: 400,
+        message: prismaErrorMessage(exception),
+        data: null,
+      });
+      return;
+    }
+
+    if (exception instanceof SyntaxError && /BigInt/i.test(exception.message)) {
+      response.status(HttpStatus.BAD_REQUEST).json({
+        code: 400,
+        message: 'ID 格式无效',
+        data: null,
+      });
+      return;
+    }
+
     console.error(exception);
     response.status(HttpStatus.INTERNAL_SERVER_ERROR).json({
       code: 500,
-      message: 'Internal server error',
+      message: exception instanceof Error ? exception.message : 'Internal server error',
       data: null,
     });
   }