modify: post service 계층 캐시 추가 예시

Author: Nuung

src/services/post.service.ts

@@ -1,19 +1,19 @@
 import logger from '@/configs/logger.config';
 import { PostRepository } from '@/repositories/post.repository';
 import { RawPostType } from '@/types';
-import { cache } from '@/configs/cache.config';
+// import { cache } from '@/configs/cache.config';
 import { getCurrentKSTDateString, getKSTDateStringWithOffset } from '@/utils/date.util';
 
 export class PostService {
   constructor(private postRepo: PostRepository) { }
 
   async getAllposts(userId: number, cursor?: string, sort: string = '', isAsc?: boolean, limit: number = 15) {
     try {
-      const cacheKey = `posts:user:${userId}:${cursor || 'first'}:${sort}:${isAsc}:${limit}`;
-      const cachedResult = await cache.get(cacheKey);
-      if (cachedResult) {
-        return cachedResult;
-      }
+      // const cacheKey = `posts:user:${userId}:${cursor || 'first'}:${sort}:${isAsc}:${limit}`;
+      // const cachedResult = await cache.get(cacheKey);
+      // if (cachedResult) {
+      //   return cachedResult;
+      // }
 
       let result = null;
       if (sort === 'viewGrowth') {
@@ -39,10 +39,10 @@ export class PostService {
         nextCursor: result.nextCursor,
       };
 
-      // 결과가 빈 값이 아니라면 캐시에 저장 (5분 TTL)
-      if (results.posts.length > 0) {
-        await cache.set(cacheKey, results, 300);
-      }
+      // // 결과가 빈 값이 아니라면 캐시에 저장 (5분 TTL)
+      // if (results.posts.length > 0) {
+      //   await cache.set(cacheKey, results, 300);
+      // }
       return results
     } catch (error) {
       logger.error('PostService getAllposts error : ', error);
@@ -52,11 +52,11 @@ export class PostService {
 
   async getAllPostsStatistics(userId: number) {
     try {
-      const cacheKey = `posts:stats:${userId}`;
-      const cachedResult = await cache.get(cacheKey);
-      if (cachedResult) {
-        return cachedResult;
-      }
+      // const cacheKey = `posts:stats:${userId}`;
+      // const cachedResult = await cache.get(cacheKey);
+      // if (cachedResult) {
+      //   return cachedResult;
+      // }
 
       const postsStatistics = await this.postRepo.getYesterdayAndTodayViewLikeStats(userId);
 
@@ -68,10 +68,10 @@ export class PostService {
         lastUpdatedDate: postsStatistics.last_updated_date,
       };
 
-      // 결과가 빈 값이 아니라면 캐시에 저장 (5분 TTL)
-      if (transformedStatistics.totalViews > 0) {
-        await cache.set(cacheKey, transformedStatistics, 300);
-      }
+      // // 결과가 빈 값이 아니라면 캐시에 저장 (5분 TTL)
+      // if (transformedStatistics.totalViews > 0) {
+      //   await cache.set(cacheKey, transformedStatistics, 300);
+      // }
 
       return transformedStatistics;
     } catch (error) {