fix(live-room): 최근 종료 라이브 조회와 캐시 무효화를 최적화한다

src/main/kotlin/kr/co/vividnext/sodalive/member/MemberService.kt

@@ -120,6 +120,7 @@ class MemberService(
     private val tokenLocks: MutableMap<Long, ReentrantReadWriteLock> = mutableMapOf()
 
     private val recommendLiveCacheKeyPrefix = "getRecommendLive:"
+    private val latestFinishedLiveCacheKeyPrefix = "getLatestFinishedLive:"
 
     @Transactional
     fun signUpV2(request: SignUpRequestV2): SignUpResponse {
@@ -564,7 +565,11 @@ class MemberService(
         }
 
         evictRecommendLiveCache(memberId)
-        blockTargetMemberIds.forEach { evictRecommendLiveCache(it) }
+        evictLatestFinishedLiveCache(memberId)
+        blockTargetMemberIds.forEach {
+            evictRecommendLiveCache(it)
+            evictLatestFinishedLiveCache(it)
+        }
     }
 
     @Transactional
@@ -580,6 +585,8 @@ class MemberService(
 
         evictRecommendLiveCache(memberId)
         evictRecommendLiveCache(request.blockMemberId)
+        evictLatestFinishedLiveCache(memberId)
+        evictLatestFinishedLiveCache(request.blockMemberId)
     }
 
     fun isBlocked(blockedMemberId: Long, memberId: Long) = blockMemberRepository.isBlocked(blockedMemberId, memberId)
@@ -843,6 +850,10 @@ class MemberService(
         cacheManager.getCache("cache_ttl_3_hours")?.evict(recommendLiveCacheKeyPrefix + memberId)
     }
 
+    private fun evictLatestFinishedLiveCache(memberId: Long) {
+        cacheManager.getCache("cache_ttl_10_minutes")?.evict(latestFinishedLiveCacheKeyPrefix + memberId)
+    }
+
     @Transactional
     fun updateMarketingInfo(memberId: Long, adid: String, pid: String): String? {
         val member = repository.findByIdOrNull(id = memberId)