Misc/exception

src/application/dtos/point.dto.ts

@@ -6,7 +6,7 @@ export class PointDto {
     default: 1000,
   })
   @IsInt()
-  @IsPositive()
+  @IsPositive({ message: '금액은 0보다 커야 합니다.' })
   amount: number;
 
   @ApiProperty({

src/application/filters/global-exception.filter.ts

@@ -0,0 +1,40 @@
+import {
+  Catch,
+  ArgumentsHost,
+  HttpStatus,
+  HttpException,
+  Logger,
+} from '@nestjs/common';
+import { Response } from 'express';
+
+@Catch()
+export class HttpExceptionsFilter {
+  private readonly logger: Logger = new Logger('ExceptionsFilter');
+
+  public catch(exception: unknown, host: ArgumentsHost): void {
+    const ctx = host.switchToHttp();
+    const res = ctx.getResponse<Response>();
+
+    let status: number = HttpStatus.INTERNAL_SERVER_ERROR;
+    let response: string | object = {
+      statusCode: status,
+      message: 'Internal server error',
+    };
+    if (exception instanceof HttpException) {
+      status = exception.getStatus();
+      response = exception.getResponse();
+    }
+
+    if (status >= HttpStatus.INTERNAL_SERVER_ERROR) {
+      this.logger.error(
+        `Http status: ${status} Error Response: ${JSON.stringify(response)}`,
+      );
+    } else {
+      this.logger.warn(
+        `Http status: ${status} Error Response: ${JSON.stringify(response)}`,
+      );
+    }
+
+    res.status(status).json(response);
+  }
+}

src/application/modules/app.module.ts

@@ -4,6 +4,7 @@ import { TypeOrmModule } from '@nestjs/typeorm';
 import dataSource from '@infrastructure/typeorm/data-source';
 import { AppController } from '@application/controllers';
 import { AppService } from '@domain/services';
+import { HttpExceptionsFilter } from '../filters/global-exception.filter';
 
 const modulesList = Object.keys(modules).map(
   (moduleIndex) => modules[moduleIndex as keyof typeof modules],
@@ -20,6 +21,10 @@ const modulesList = Object.keys(modules).map(
       provide: 'DataSource',
       useValue: dataSource,
     },
+    {
+      provide: 'APP_FILTER',
+      useClass: HttpExceptionsFilter,
+    },
   ],
   controllers: [AppController],
 })

src/main.ts

@@ -1,10 +1,18 @@
 import { NestFactory } from '@nestjs/core';
 import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger';
 import { AppModule } from '@application/modules/app.module';
+import { ValidationPipe } from '@nestjs/common';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
 
+  app.useGlobalPipes(
+    new ValidationPipe({
+      transform: true,
+      transformOptions: { enableImplicitConversion: true },
+    }),
+  );
+
   const swaggerConfig = new DocumentBuilder()
     .setTitle('E-commerce API')
     .setDescription('E-commerce API 문서')