fix: 캐싱 수정 2

- 1. 로그인 시, 유저 데이터가 기본적으로 Redis에 캐싱
- 2. 로그아웃 시, 캐싱 데이터 삭제
- 3. 토큰 갱신 시, 캐싱 데이터 TTL 30분으로 다시 초기화

Author: HYEONSIKOH

src/main/java/org/dfbf/soundlink/domain/user/config/RedisConfig.java

@@ -44,7 +44,7 @@ public CacheManager contentCacheManager(RedisConnectionFactory cf) {
         RedisCacheConfiguration redisCacheConfiguration = RedisCacheConfiguration.defaultCacheConfig()
                 .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()))
                 .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericJackson2JsonRedisSerializer())) // Value Serializer 변경
-                .entryTtl(Duration.ofMinutes(60L)); // 캐시 수명 10분
+                .entryTtl(Duration.ofMinutes(30L)); // 캐시 수명 30분
 
         return RedisCacheManager.RedisCacheManagerBuilder.fromConnectionFactory(cf).cacheDefaults(redisCacheConfiguration).build();
     }

src/main/java/org/dfbf/soundlink/domain/user/service/UserService.java

@@ -34,6 +34,7 @@
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Optional;
+import java.util.concurrent.TimeUnit;
 
 @Slf4j
 @Service
@@ -51,7 +52,7 @@ public class UserService {
     private final JwtProvider jwtProvider;
     private final TokenProperties tokenProperties;
 
-    private RedisTemplate<String, String> redisTemplate;
+    private final RedisTemplate<String, String> redisTemplate;
     private final TokenService tokenService;
 
     private static final String domain = "";
@@ -241,6 +242,9 @@ public ResponseResult login(LoginReqDto loginReqDto, HttpServletResponse respons
             User user = userRepository.findByLoginId(loginReqDto.loginId())
                     .orElseThrow(NoUserDataException::new);
 
+            // 로그인하면 Redis에 유저데이터 캐싱
+            userRepository.findByUserIdWithCache(user.getUserId());
+
             String accessToken = jwtProvider.createAccessToken(user.getUserId());
             String refreshToken = jwtProvider.createRefreshToken(user.getUserId());
 
@@ -259,6 +263,12 @@ public ResponseResult login(LoginReqDto loginReqDto, HttpServletResponse respons
         }
     }
 
+    // Redis에서 유저 캐시 삭제
+    private void evictUserCache(Long userId) {
+        String key = "user::" + userId;
+        redisTemplate.delete(key);  // 직접 삭제
+    }
+
     // 로그아웃
     public ResponseResult logout(HttpServletResponse response, HttpServletRequest request) {
         try {
@@ -277,10 +287,12 @@ public ResponseResult logout(HttpServletResponse response, HttpServletRequest re
             Long userId = jwtProvider.getUserId(accessToken); // 액세스 토큰을 넘겨서 userId 추출
 
             tokenService.deleteRefreshToken(userId);
+            this.evictUserCache(userId);
 
             return new ResponseResult(ErrorCode.SUCCESS,"로그아웃 되었습니다.");
 
         } catch (Exception e) {
+            log.info("[ERROR] " + e.getMessage());
             return new ResponseResult(ErrorCode. INTERNAL_SERVER_ERROR,"로그아웃 중 오류가 발생했습니다.");
         }
     }
@@ -347,6 +359,10 @@ public ResponseResult reissueToken(HttpServletRequest request, HttpServletRespon
                 Map<String, String> responseBody = new HashMap<>();
                 responseBody.put("accessToken", newAccessToken);
 
+                // Redis에서 user::userID TTL을 30분으로 다시 갱신
+                redisTemplate.expire("user::" + userId, 30 * 60, TimeUnit.SECONDS);
+
+
 
                 return new ResponseResult(ErrorCode.SUCCESS, responseBody);
             } else {