feat: 회원탈퇴 API 구현

src/users/user.controller.ts

@@ -1,4 +1,4 @@
-import { Body, Controller, Get, Post, UseGuards } from '@nestjs/common';
+import { Body, Controller, Delete, Get, Post, UseGuards } from '@nestjs/common';
 import { UserService } from './user.service';
 import { AccessGuard } from 'src/auth/guards/acess.guard';
 import { AuthUser } from 'src/auth/decorators/auth-user.decorator';
@@ -37,6 +37,17 @@ export class UserController {
     return await this.userService.getMe(id);
   }
 
+  @ApiOperation({
+    summary: '회원탈퇴',
+    description: '나의 계정정보를 삭제한다.',
+  })
+  @ApiOkResponse()
+  @UseGuards(AccessGuard)
+  @Delete()
+  async deleteMe(@AuthUser() { id }: Payload) {
+    return await this.userService.getMe(id);
+  }
+
   @ApiOperation({
     summary: '닉네임 변경',
     description: '나의 닉네임을 설정/변경한다.',

src/users/user.service.ts

@@ -1,6 +1,6 @@
 import { UserRepository } from './user.repository';
 import { UserResponse } from './dtos/user.dto';
-import { Injectable } from '@nestjs/common';
+import { BadRequestException, Injectable } from '@nestjs/common';
 import { InjectDataSource } from '@nestjs/typeorm';
 import { User } from 'src/users/entities/user.entity';
 import { DataSource } from 'typeorm';
@@ -106,4 +106,21 @@ export class UserService {
       return false;
     }
   }
+
+  async deleteMe(userId: string) {
+    try {
+      const exist = await this.userCatRepository.findOneOrFail({
+        where: {
+          id: userId,
+        },
+      });
+      if (exist) {
+        await this.userRepository.softDelete({ id: userId });
+        return true;
+      }
+      return false;
+    } catch (error) {
+      throw new BadRequestException();
+    }
+  }
 }