Add Redis Configuration

src/main/java/com/rest/api/service/board/BoardService.java

@@ -3,6 +3,7 @@ package com.rest.api.service.board;
 import com.rest.api.advice.exception.CNotOwnerException;
 import com.rest.api.advice.exception.CResourceNotExistException;
 import com.rest.api.advice.exception.CUserNotFoundException;
+import com.rest.api.common.CacheKey;
 import com.rest.api.entity.User;
 import com.rest.api.entity.board.Board;
 import com.rest.api.entity.board.Post;
@@ -10,13 +11,18 @@ import com.rest.api.model.board.ParamsPost;
 import com.rest.api.repo.UserJpaRepo;
 import com.rest.api.repo.board.BoardJpaRepo;
 import com.rest.api.repo.board.PostJpaRepo;
+import com.rest.api.service.cache.CacheSevice;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.cache.annotation.CacheEvict;
+import org.springframework.cache.annotation.Cacheable;
 import org.springframework.stereotype.Service;
 
 import javax.transaction.Transactional;
 import java.util.List;
 import java.util.Optional;
 
+@Slf4j
 @Service
 @Transactional
 @RequiredArgsConstructor
@@ -25,23 +31,28 @@ public class BoardService {
     private final BoardJpaRepo boardJpaRepo;
     private final PostJpaRepo postJpaRepo;
     private final UserJpaRepo userJpaRepo;
+    private final CacheSevice cacheSevice;
 
     // 게시판 이름으로 게시판을 조회. 없을경우 CResourceNotExistException 처리
+    @Cacheable(value = CacheKey.BOARD, key = "#boardName", unless = "#result == null")
     public Board findBoard(String boardName) {
         return Optional.ofNullable(boardJpaRepo.findByName(boardName)).orElseThrow(CResourceNotExistException::new);
     }
 
     // 게시판 이름으로 게시물 리스트 조회.
+    @Cacheable(value = CacheKey.POSTS, key = "#boardName", unless = "#result == null")
     public List<Post> findPosts(String boardName) {
         return postJpaRepo.findByBoard(findBoard(boardName));
     }
 
     // 게시물ID로 게시물 단건 조회. 없을경우 CResourceNotExistException 처리
+    @Cacheable(value = CacheKey.POST, key = "#postId", unless = "#result == null")
     public Post getPost(long postId) {
         return postJpaRepo.findById(postId).orElseThrow(CResourceNotExistException::new);
     }
 
     // 게시물을 등록합니다. 게시물의 회원UID가 조회되지 않으면 CUserNotFoundException 처리합니다.
+    @CacheEvict(value = CacheKey.POSTS, key = "#boardName")
     public Post writePost(String uid, String boardName, ParamsPost paramsPost) {
         Board board = findBoard(boardName);
         Post post = new Post(userJpaRepo.findByUid(uid).orElseThrow(CUserNotFoundException::new), board, paramsPost.getAuthor(), paramsPost.getTitle(), paramsPost.getContent());
@@ -57,6 +68,7 @@ public class BoardService {
 
         // 영속성 컨텍스트의 변경감지(dirty checking) 기능에 의해 조회한 Post내용을 변경만 해도 Update쿼리가 실행됩니다.
         post.setUpdate(paramsPost.getAuthor(), paramsPost.getTitle(), paramsPost.getContent());
+        cacheSevice.deleteBoardCache(post.getPostId(), post.getBoard().getName());
         return post;
     }
 
@@ -67,6 +79,7 @@ public class BoardService {
         if (!uid.equals(user.getUid()))
             throw new CNotOwnerException();
         postJpaRepo.delete(post);
+        cacheSevice.deleteBoardCache(post.getPostId(), post.getBoard().getName());
         return true;
     }
 }