251119:1700 Backend Phase 1

backend/src/common/exceptions/http-exception.filter.ts

@@ -0,0 +1,50 @@
+import {
+  ExceptionFilter,
+  Catch,
+  ArgumentsHost,
+  HttpException,
+  HttpStatus,
+  Logger,
+} from '@nestjs/common';
+import { Request, Response } from 'express';
+
+@Catch()
+export class HttpExceptionFilter implements ExceptionFilter {
+  private readonly logger = new Logger(HttpExceptionFilter.name);
+
+  catch(exception: unknown, host: ArgumentsHost) {
+    const ctx = host.switchToHttp();
+    const response = ctx.getResponse<Response>();
+    const request = ctx.getRequest<Request>();
+
+    const status =
+      exception instanceof HttpException
+        ? exception.getStatus()
+        : HttpStatus.INTERNAL_SERVER_ERROR;
+
+    const exceptionResponse =
+      exception instanceof HttpException
+        ? exception.getResponse()
+        : 'Internal server error';
+
+    // จัดรูปแบบ Error Message
+    const message =
+      typeof exceptionResponse === 'string'
+        ? exceptionResponse
+        : (exceptionResponse as any).message || exceptionResponse;
+    // 👇👇 เพิ่มบรรทัดนี้ครับ (สำคัญมาก!) 👇👇
+    console.error('💥 REAL ERROR:', exception);
+
+    // Log Error (สำคัญมากสำหรับการ Debug แต่ไม่ส่งให้ Client เห็นทั้งหมด)
+    this.logger.error(
+      `Http Status: ${status} Error Message: ${JSON.stringify(message)}`,
+    );
+
+    response.status(status).json({
+      statusCode: status,
+      timestamp: new Date().toISOString(),
+      path: request.url,
+      message: status === 500 ? 'Internal server error' : message, // ซ่อน Detail กรณี 500
+    });
+  }
+}