Merge pull request #18 from ccaaffee/feat/nickname

Feat/nickname: 닉네임 기능 추가

Author: Kimcheolhui

prisma/migrations/20250607162328_add_user_nickname/migration.sql

@@ -0,0 +1,11 @@
+/*
+  Warnings:
+
+  - A unique constraint covering the columns `[nickname]` on the table `User` will be added. If there are existing duplicate values, this will fail.
+
+*/
+-- AlterTable
+ALTER TABLE `User` ADD COLUMN `nickname` VARCHAR(191) NULL;
+
+-- CreateIndex
+CREATE UNIQUE INDEX `User_nickname_key` ON `User`(`nickname`);

prisma/migrations/migration_lock.toml

@@ -1,3 +1,3 @@
 # Please do not edit this file manually
 # It should be added in your version-control system (e.g., Git)
-provider = "mysql"
+provider = "mysql"

prisma/schema.prisma

@@ -16,6 +16,7 @@ datasource db {
 model User {
   uuid      String   @id @default(uuid())
   kakaoId   String   @unique
+  nickname  String?  @unique
   createdAt DateTime @default(now())
 
   userCafes UserCafe[]

src/auth/types/userInfo.type.ts

@@ -1,5 +1,6 @@
 export type UserInfo = {
   uuid: string;
   kakaoId: string;
+  nickname: string;
   createdAt: Date;
 };

src/user/dto/req/updateNickname.dto.ts

@@ -0,0 +1,15 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { IsString, Length } from 'class-validator';
+
+export class UpdateNicknameDto {
+  @ApiProperty({
+    type: String,
+    description: 'New nickname',
+    example: '커피러버',
+    minLength: 2,
+    maxLength: 20,
+  })
+  @IsString()
+  @Length(2, 20)
+  nickname: string;
+}

src/user/dto/res/nicknameDuplicateCheck.dto.ts

@@ -0,0 +1,10 @@
+import { ApiProperty } from '@nestjs/swagger';
+
+export class NicknameDuplicateCheckDto {
+  @ApiProperty({
+    type: Boolean,
+    description: 'Whether nickname is duplicate or not',
+    example: false,
+  })
+  isDuplicate: boolean;
+}

src/user/dto/res/userInfo.dto.ts

@@ -15,6 +15,13 @@ export class UserInfoDto {
   })
   kakaoId: string;
 
+  @ApiProperty({
+    type: String,
+    description: "User's nickname",
+    example: '커피러버',
+  })
+  nickname: string;
+
   @ApiProperty({
     type: Date,
     description: 'Account created Date',

src/user/user.controller.ts

@@ -1,4 +1,4 @@
-import { Controller, Get, UseGuards } from '@nestjs/common';
+import { Controller, Get, UseGuards, Body, Patch, Query } from '@nestjs/common';
 import { UserService } from './user.service';
 import { JwtAuthGuard } from 'src/auth/jwt.auth.strategy';
 import { GetUser } from './decorator/get-user.decorator';
@@ -8,10 +8,13 @@ import {
   ApiInternalServerErrorResponse,
   ApiOkResponse,
   ApiOperation,
+  ApiQuery,
   ApiTags,
   ApiUnauthorizedResponse,
 } from '@nestjs/swagger';
 import { UserInfoDto } from './dto/res/userInfo.dto';
+import { UpdateNicknameDto } from './dto/req/updateNickname.dto';
+import { NicknameDuplicateCheckDto } from './dto/res/nicknameDuplicateCheck.dto';
 
 @ApiTags('User')
 @Controller('user')
@@ -35,4 +38,49 @@ export class UserController {
   async getProfile(@GetUser() user: UserInfo): Promise<UserInfo> {
     return user;
   }
+
+  @ApiOperation({
+    summary: 'check nickname duplicate',
+  })
+  @ApiQuery({
+    name: 'nickname',
+    type: String,
+    description: 'Nickname to check',
+    required: true,
+  })
+  @ApiOkResponse({
+    type: NicknameDuplicateCheckDto,
+    description: 'Return whether nickname is duplicate or not',
+  })
+  @Get('nickname/check')
+  async checkNicknameDuplicate(
+    @Query('nickname') nickname: string,
+  ): Promise<NicknameDuplicateCheckDto> {
+    const isDuplicate = await this.userService.checkNicknameDuplicate(nickname);
+    return { isDuplicate };
+  }
+
+  @ApiOperation({
+    summary: 'update my nickname',
+  })
+  @ApiOkResponse({
+    type: UserInfoDto,
+    description: 'Return updated profile',
+  })
+  @ApiUnauthorizedResponse({ description: 'Unauthorized' })
+  @ApiInternalServerErrorResponse({
+    description: 'Internal Server Error',
+  })
+  @ApiBearerAuth('JWT')
+  @Patch('nickname')
+  @UseGuards(JwtAuthGuard)
+  async updateNickname(
+    @GetUser() user: UserInfo,
+    @Body() updateNicknameDto: UpdateNicknameDto,
+  ): Promise<UserInfo> {
+    return this.userService.updateNickname(
+      user.uuid,
+      updateNicknameDto.nickname,
+    );
+  }
 }

src/user/user.repository.ts

@@ -5,10 +5,18 @@ import { PrismaService } from 'src/prisma/prisma.service';
 export class UserRepository {
   constructor(private readonly prismaService: PrismaService) {}
 
+  private async generateUniqueNickname(): Promise<string> {
+    const totalUsers = await this.prismaService.user.count();
+    const newUserNumber = totalUsers + 1;
+    return `사용자${newUserNumber}`;
+  }
+
   async createUser(kakaoId: string) {
+    const nickname = await this.generateUniqueNickname();
     return this.prismaService.user.create({
       data: {
         kakaoId,
+        nickname,
       },
     });
   }
@@ -26,4 +34,19 @@ export class UserRepository {
       where: { uuid },
     });
   }
+
+  // 닉네임으로 유저 찾기
+  async findByNickname(nickname: string) {
+    return this.prismaService.user.findUnique({
+      where: { nickname },
+    });
+  }
+
+  // 닉네임 업데이트
+  async updateNickname(uuid: string, nickname: string) {
+    return this.prismaService.user.update({
+      where: { uuid },
+      data: { nickname },
+    });
+  }
 }

src/user/user.service.ts

@@ -1,4 +1,4 @@
-import { Injectable } from '@nestjs/common';
+import { ConflictException, Injectable } from '@nestjs/common';
 import { UserRepository } from './user.repository';
 
 @Injectable()
@@ -16,4 +16,21 @@ export class UserService {
   async findById(uuid: string) {
     return this.userRepository.findByUuid(uuid);
   }
+
+  // 닉네임 중복 확인
+  async checkNicknameDuplicate(nickname: string): Promise<boolean> {
+    const existingUser = await this.userRepository.findByNickname(nickname);
+    return !!existingUser;
+  }
+
+  // 닉네임 업데이트
+  async updateNickname(uuid: string, nickname: string) {
+    // 닉네임 중복 확인
+    const isDuplicate = await this.checkNicknameDuplicate(nickname);
+    if (isDuplicate) {
+      throw new ConflictException('이미 사용 중인 닉네임입니다.');
+    }
+
+    return this.userRepository.updateNickname(uuid, nickname);
+  }
 }