Merge pull request #135 from Wedit-project/feat/#134-redis-캐싱-추가

[feat] redis 캐싱 추가

Author: dogsub

src/main/java/com/wedit/weditapp/domain/invitation/service/InvitationService.java

@@ -3,6 +3,7 @@
 import java.util.List;
 import java.util.stream.Collectors;
 
+import org.springframework.cache.annotation.Cacheable;
 import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.stereotype.Service;
 import org.springframework.web.multipart.MultipartFile;
@@ -112,7 +113,9 @@ public InvitationResponseDto getInvitation(UserDetails userDetails, Long invitat
 	}
 
 	// 청첩장 목록 조회 (생성일 기준 오름차순)
+	@Cacheable(value = "memberInvitations", key = "#userDetails.username", unless = "#result == null")
 	public List<InvitationResponseDto> getMemberInvitations(UserDetails userDetails) {
+		log.info("DB에서 청첩장 목록 조회 실행"); // 캐시가 적용되지 않은 경우에만 로그 출력
 		Member member = getMember(userDetails);
 
 		List<Invitation> invitations = invitationRepository.findByMemberIdOrderByCreatedAtAsc(member.getId());

src/main/java/com/wedit/weditapp/global/config/RedisCacheConfig.java

@@ -0,0 +1,36 @@
+package com.wedit.weditapp.global.config;
+
+import org.springframework.boot.autoconfigure.cache.RedisCacheManagerBuilderCustomizer;
+import org.springframework.cache.annotation.EnableCaching;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.redis.cache.RedisCacheConfiguration;
+import org.springframework.data.redis.cache.RedisCacheManager;
+import org.springframework.data.redis.connection.RedisConnectionFactory;
+
+import java.time.Duration;
+
+@Configuration
+@EnableCaching
+public class RedisCacheConfig {
+
+    @Bean
+    public RedisCacheManager redisCacheManager(RedisConnectionFactory redisConnectionFactory) {
+        // 기본 캐시 설정: 2주
+        RedisCacheConfiguration cacheConfiguration = RedisCacheConfiguration.defaultCacheConfig()
+                .entryTtl(Duration.ofSeconds(1209600))
+                .disableCachingNullValues();
+
+        return RedisCacheManager.builder(redisConnectionFactory)
+                .cacheDefaults(cacheConfiguration)
+                .build();
+    }
+
+    // 추후 캐시 별 개별 TTL 지정 시 사용 예정
+    @Bean
+    public RedisCacheManagerBuilderCustomizer redisCacheManagerBuilderCustomizer() {
+        return builder -> builder
+                .withCacheConfiguration("memberInvitations",
+                        RedisCacheConfiguration.defaultCacheConfig().entryTtl(Duration.ofSeconds(1209600)));
+    }
+}