Merge pull request #54 from boostcampwm-2022/feat/idCheck

feat: #52 아이디 중복체크 API

server/src/user/dto/check-user.dto.ts

@@ -0,0 +1,6 @@
+export class CheckUserDto {
+    private userId: string;
+    getUserId() {
+        return this.userId;
+    }
+}

server/src/user/user.controller.ts

@@ -1,7 +1,8 @@
-import { Body, Controller, Get, Post } from "@nestjs/common";
+import { Body, Controller, Get, Param, Post } from "@nestjs/common";
 import { CreateUserDto } from "./dto/create-user.dto";
 import { UserService } from "./user.service";
 import { plainToClass } from "class-transformer";
+import { CheckUserDto } from "./dto/check-user.dto";
 
 @Controller("user")
 export class UserController {
@@ -11,4 +12,10 @@ export class UserController {
     async create(@Body() createUserDto: CreateUserDto) {
         return this.userService.create(createUserDto);
     }
+
+    @Get(":userId")
+    async checkId(@Param() checkUserDto: CheckUserDto) {
+        checkUserDto = plainToClass(CheckUserDto, checkUserDto);
+        return this.userService.checkId(checkUserDto);
+    }
 }

server/src/user/user.service.ts

@@ -2,6 +2,7 @@ import { BadRequestException, Injectable } from "@nestjs/common";
 import * as bcrypt from "bcryptjs";
 import { UserRepository } from "./user.repository";
 import { CreateUserDto } from "./dto/create-user.dto";
+import { CheckUserDto } from "./dto/check-user.dto";
 
 @Injectable()
 export class UserService {
@@ -18,4 +19,17 @@ export class UserService {
         await this.userRepository.save(userEntity);
         return { status: 201 };
     }
+
+    async checkId(checkUserDto: CheckUserDto) {
+        if (await this.userRepository.findByUserId(checkUserDto.getUserId())) {
+            return {
+                status: "200",
+                exists: true,
+            };
+        }
+        return {
+            status: "200",
+            exists: false,
+        };
+    }
 }