Merge pull request #79 from boostcampwm-2024/be/feature/get_my_rank

[BE/feature] 랭킹 조회 api 구현

apps/backend/src/auth/auth.service.ts

@@ -70,7 +70,10 @@ export class AuthService {
       throw new HttpException('이메일 또는 비밀번호가 올바르지 않습니다.', HttpStatus.UNAUTHORIZED);
 
     const nickname = member.rows[0].nickname;
-    const { accessToken, refreshToken } = await this.generateTokens(member.rows[0].member_id);
+    const { accessToken, refreshToken } = await this.generateTokens(
+      member.rows[0].member_id,
+      member.rows[0].nickname
+    );
     return { nickname, accessToken, refreshToken };
   }
 
@@ -88,12 +91,15 @@ export class AuthService {
 
   async SocialLogin(email: string, nickname: string) {
     const member = await this.verifyUser(email, nickname);
-    const { accessToken, refreshToken } = await this.generateTokens(member.rows[0].member_id);
+    const { accessToken, refreshToken } = await this.generateTokens(
+      member.rows[0].member_id,
+      member.rows[0].nickname
+    );
     return { nickname, accessToken, refreshToken };
   }
 
-  private async generateTokens(memberId: number) {
-    const payload = { memberId };
+  private async generateTokens(memberId: number, nickname: string) {
+    const payload = { memberId, nickname };
     const accessToken = this.jwtService.sign(payload, { expiresIn: '1h' });
     const refreshToken = this.jwtService.sign(payload, { expiresIn: '7d' });
     return { accessToken, refreshToken };

apps/backend/src/global/successhandler.ts

@@ -19,7 +19,8 @@ export const successMessage = {
   CREATE_ORDER_SUCCESS: { code: 201, message: '주문이 성공적으로 생성되었습니다.' },
   DELETE_ORDER_SUCCESS: { code: 201, message: '주문이 성공적으로 삭제되었습니다.' },
   BUY_LOTTO_SUCCESS: { code: 200, message: '로또 구매를 완료했습니다.' },
-  TOP5_RANK_GET_SUCCESS: { code: 200, message: '상위 5명을 조회했습니다.' }
+  GET_TOP5_RANK_SUCCESS: { code: 200, message: '상위 5명을 조회했습니다.' },
+  GET_RANK_SUCCESS: { code: 200, message: '현재 랭킹을 조회했습니다.' }
 };
 
 export function successhandler<T>(success: SuccessMessage, data: Nullable<T> = null) {

apps/backend/src/global/utils/jwtAuthGuard.ts

@@ -25,8 +25,8 @@ export class JwtAuthGuard {
         throw new HttpException('만료된 토큰입니다.', HttpStatus.UNAUTHORIZED);
       }
 
-      const { memberId } = decoded;
-      request.user = { memberId };
+      const { memberId, nickname } = decoded;
+      request.user = { memberId, nickname };
       return true;
     } catch {
       throw new HttpException('잘못된 토큰입니다.', HttpStatus.UNAUTHORIZED);

apps/backend/src/rank/decorator/getRank.decorator.ts

@@ -0,0 +1,15 @@
+import { applyDecorators } from '@nestjs/common';
+import { ApiResponse } from '@nestjs/swagger';
+import { TokenDecorator } from 'src/global/utils/tokenSwagger';
+import { GetRankSuccessResponseDto } from '../dto/getRank.dto';
+
+export function getRankResponseDecorator() {
+  return applyDecorators(
+    TokenDecorator(),
+    ApiResponse({
+      status: 200,
+      description: '랭킹 조회 성공',
+      type: GetRankSuccessResponseDto
+    })
+  );
+}

apps/backend/src/rank/decorator/top5rank.decorator.ts

@@ -1,15 +1,15 @@
 import { applyDecorators } from '@nestjs/common';
 import { ApiResponse } from '@nestjs/swagger';
 import { TokenDecorator } from 'src/global/utils/tokenSwagger';
-import { rank5SuccessResponseDto } from '../dto/top5rank.dto';
+import { Rank5SuccessResponseDto } from '../dto/top5rank.dto';
 
 export function top5rankResponseDecorator() {
   return applyDecorators(
     TokenDecorator(),
     ApiResponse({
       status: 200,
       description: '5명 조회 성공',
-      type: rank5SuccessResponseDto
+      type: Rank5SuccessResponseDto
     })
   );
 }

apps/backend/src/rank/dto/getRank.dto.ts

@@ -0,0 +1,29 @@
+import { ApiProperty } from '@nestjs/swagger';
+
+export class GetRankDataDto {
+  @ApiProperty({
+    description: '순위',
+    example: '5'
+  })
+  rank: number;
+}
+
+export class GetRankSuccessResponseDto {
+  @ApiProperty({
+    description: '응답 코드',
+    example: 200
+  })
+  code: number;
+
+  @ApiProperty({
+    description: '응답 메세지',
+    example: '현재 랭킹을 조회했습니다.'
+  })
+  message: string;
+
+  @ApiProperty({
+    description: '응답 데이터',
+    type: GetRankDataDto
+  })
+  data: GetRankDataDto;
+}

apps/backend/src/rank/dto/top5rank.dto.ts

@@ -1,6 +1,6 @@
 import { ApiProperty } from '@nestjs/swagger';
 
-export class rank5DataDto {
+export class Rank5DataDto {
   @ApiProperty({
     description: '닉네임',
     example: '홍길동'
@@ -14,7 +14,7 @@ export class rank5DataDto {
   score: number;
 }
 
-export class rank5SuccessResponseDto {
+export class Rank5SuccessResponseDto {
   @ApiProperty({
     description: '응답 코드',
     example: 200
@@ -29,7 +29,7 @@ export class rank5SuccessResponseDto {
 
   @ApiProperty({
     description: '응답 데이터',
-    type: [rank5DataDto],
+    type: [Rank5DataDto],
     example: [
       { nickname: '파이썬', score: 50000 },
       { nickname: '자바', score: 40000 },
@@ -38,5 +38,5 @@ export class rank5SuccessResponseDto {
       { nickname: 'C 언어', score: 10000 }
     ]
   })
-  data: rank5DataDto;
+  data: Rank5DataDto;
 }

apps/backend/src/rank/rank.controller.ts

@@ -4,17 +4,29 @@ import { successhandler, successMessage } from 'src/global/successhandler';
 import { JwtAuthGuard } from 'src/global/utils/jwtAuthGuard';
 import { ApiOperation } from '@nestjs/swagger';
 import { top5rankResponseDecorator } from './decorator/top5rank.decorator';
+import { User } from 'src/global/utils/memberData';
+import { getRankResponseDecorator } from './decorator/getRank.decorator';
 
-@UseGuards(JwtAuthGuard)
 @Controller('api/rank')
 export class RankController {
   constructor(private readonly rankService: RankService) {}
 
+  @UseGuards(JwtAuthGuard)
   @ApiOperation({ summary: '상위 랭킹 5명 반환 api' })
   @top5rankResponseDecorator()
   @Get('top5')
   async top5rank() {
     const data = await this.rankService.getTopRankings();
-    return successhandler(successMessage.TOP5_RANK_GET_SUCCESS, data);
+    return successhandler(successMessage.GET_TOP5_RANK_SUCCESS, data);
+  }
+
+  @UseGuards(JwtAuthGuard)
+  @ApiOperation({ summary: '현재 랭킹 반환 api' })
+  @getRankResponseDecorator()
+  @Get()
+  async getRanking(@User() user: { nickname: string }) {
+    const { nickname } = user;
+    const data = await this.rankService.getRanking(nickname);
+    return successhandler(successMessage.GET_RANK_SUCCESS, data);
   }
 }

apps/backend/src/rank/rank.queries.ts

@@ -1,5 +1,5 @@
 export const rankQueries = {
-  moneyDataQuery: `SELECT 
+  moneyDataQuery: `SELECT
         m.nickname,
         m.total_cash + COALESCE(SUM(mc.quantity * cp.price), 0) AS total_asset
     FROM 

apps/backend/src/rank/rank.service.ts

@@ -35,4 +35,16 @@ export class RankService {
     const members = await this.redisClient.zRangeWithScores('ranking', -5, -1);
     return members.reverse();
   }
+
+  async getRanking(nickname: string) {
+    const rank = await this.redisClient.zRevRank('ranking', nickname);
+    if (rank) {
+      return {
+        rank: rank + 1
+      };
+    }
+    return {
+      rank: '해당 유저의 랭킹이 존재 하지 않습니다.'
+    };
+  }
 }