feat : dto validation 구현 #35

- 핸들러 레벨 파이프 적용
- dto에 decorator를 통해 validation 규칙 적용

Co-authored-by: GeunH <[email protected]>

be/src/user/dto/userInfo.dto.ts

@@ -1,8 +1,38 @@
+import {
+  IsBoolean,
+  IsString,
+  IsNotEmpty,
+  IsEmail,
+  IsInt,
+  MaxLength,
+} from "class-validator";
+
 export class UserInfoDto {
-    email : string;
-    password : string;
-    provider : string;
-    nickName: string;
-    age: number;
-    gender: string;
-}
+  @IsEmail()
+  @IsNotEmpty()
+  @MaxLength(50)
+  email: string;
+
+  @IsString()
+  @IsNotEmpty()
+  @MaxLength(50)
+  password: string;
+
+  @IsString()
+  @IsNotEmpty()
+  @MaxLength(20)
+  provider: string;
+
+  @IsString()
+  @IsNotEmpty()
+  @MaxLength(20)
+  nickName: string;
+
+  @IsInt()
+  @IsNotEmpty()
+  age: number;
+
+  @IsBoolean()
+  @IsNotEmpty()
+  gender: boolean;
+}

be/src/user/user.controller.ts

@@ -1,19 +1,26 @@
-import { Controller, Get, Post, Body, UsePipes } from "@nestjs/common";
+import {
+  Body,
+  Controller,
+  Get,
+  Post,
+  UsePipes,
+  ValidationPipe,
+} from "@nestjs/common";
 import { UserInfoDto } from "./dto/userInfo.dto";
 import { UserService } from "./user.service";
-import { validateHeaderName } from "http";
 
 @Controller("user")
 export class UserController {
-  constructor(private userService:UserService) {}
+  constructor(private userService: UserService) {}
 
   @Post()
-  singup(@Body() userInfoDto : UserInfoDto) {
+  @UsePipes(new ValidationPipe())
+  singup(@Body() userInfoDto: UserInfoDto) {
     try {
       const result = this.userService.signup(userInfoDto);
-      return { message: 'User created successfully', data: result };
+      return { message: "User created successfully", data: result };
     } catch (error) {
-      return { message: 'User creation failed', error: error.message };
+      return { message: "User creation failed", error: error.message };
     }
   }
 }

be/src/user/user.module.ts

@@ -1,6 +1,6 @@
 import { Module } from "@nestjs/common";
 import { UserController } from "./user.controller";
-import { UserService } from './user.service';
+import { UserService } from "./user.service";
 
 @Module({
   controllers: [UserController],

be/src/user/user.service.spec.ts

@@ -1,7 +1,7 @@
-import { Test, TestingModule } from '@nestjs/testing';
-import { UserService } from './user.service';
+import { Test, TestingModule } from "@nestjs/testing";
+import { UserService } from "./user.service";
 
-describe('UserService', () => {
+describe("UserService", () => {
   let service: UserService;
 
   beforeEach(async () => {
@@ -12,7 +12,7 @@ describe('UserService', () => {
     service = module.get<UserService>(UserService);
   });
 
-  it('should be defined', () => {
+  it("should be defined", () => {
     expect(service).toBeDefined();
   });
 });

be/src/user/user.service.ts

@@ -1,13 +1,12 @@
-import { Injectable } from '@nestjs/common';
-import { UserInfoDto } from './dto/userInfo.dto';
+import { Injectable } from "@nestjs/common";
+import { UserInfoDto } from "./dto/userInfo.dto";
 @Injectable()
 export class UserService {
-    signup( userInfoDto : UserInfoDto){
-        const { email, password, provider, nickName, age, gender } = userInfoDto;
+  signup(userInfoDto: UserInfoDto) {
+    const { email, password, provider, nickName, age, gender } = userInfoDto;
 
-        // DB에 저장
-
-        return userInfoDto;
-
-    }
+    // DB에 저장
+
+    return userInfoDto;
+  }
 }