feat: 유저 정보 가져오는 api 구현 #158

backend/src/user/user.controller.ts

@@ -1,7 +1,12 @@
-import { Controller } from '@nestjs/common';
+import { Controller, Get, Param } from '@nestjs/common';
 import { UserService } from './user.service';
 
 @Controller('users')
 export class UserController {
   constructor(private readonly userService: UserService) {}
+
+  @Get('/:id')
+  async getUserInfo(@Param('id') id: number) {
+    return await this.userService.getUserInfo(id);
+  }
 }

backend/src/user/user.service.ts

@@ -1,6 +1,7 @@
 import { Injectable } from '@nestjs/common';
 import { UserRepository } from './user.repository';
 import { CreateUserRequest } from './dto/CreateUserRequest';
+import { UserIconResponse } from '@src/user/dto/UserIconResponse';
 
 @Injectable()
 export class UserService {
@@ -22,4 +23,9 @@ export class UserService {
     const newUser = await this.userRepository.save(user);
     return { userId: newUser.id, role: newUser.role };
   }
+
+  async getUserInfo(userId: number) {
+    const user = await this.userRepository.findById(userId);
+    return UserIconResponse.from(user);
+  }
 }