fix(block-member): 양방향 차단 관계의 댓글·응원·콘텐츠 노출을 차단한다

src/main/kotlin/kr/co/vividnext/sodalive/content/AudioContentService.kt

@@ -524,6 +524,10 @@ class AudioContentService(
         val creator = explorerQueryRepository.getMember(creatorId)
             ?: throw SodaException(messageKey = "content.error.user_not_found")
 
+        if (isBlockedBetweenMembers(memberId = member.id!!, creatorId = creatorId)) {
+            throw SodaException(messageKey = "content.error.invalid_content_retry")
+        }
+
         val creatorFollowing = explorerQueryRepository.getCreatorFollowing(
             creatorId = creatorId,
             memberId = member.id!!
@@ -534,12 +538,6 @@ class AudioContentService(
             contentId = audioContent.id!!
         )
 
-        // 차단된 사용자 체크
-        val isBlocked = blockMemberRepository.isBlocked(blockedMemberId = member.id!!, memberId = creatorId)
-        if (isBlocked && !isExistsAudioContent) {
-            throw SodaException(formatMessage("content.error.access_restricted_by_creator", creator.nickname))
-        }
-
         val orderSequence = if (isExistsAudioContent) {
             limitedEditionOrderRepository.getOrderSequence(
                 contentId = audioContent.id!!,
@@ -886,6 +884,10 @@ class AudioContentService(
     ): GetAudioContentListItem? {
         val isAdult = member.auth != null && isAdultContentVisible
 
+        if (isBlockedBetweenMembers(memberId = member.id!!, creatorId = creatorId)) {
+            return null
+        }
+
         val audioContent = repository.findLatestContentByCreatorId(creatorId, isAdult) ?: return null
 
         val commentCount = commentRepository
@@ -957,6 +959,10 @@ class AudioContentService(
         val isAdult = member.auth != null && isAdultContentVisible
         val isCreator = member.id == creatorId
 
+        if (!isCreator && isBlockedBetweenMembers(memberId = member.id!!, creatorId = creatorId)) {
+            return GetAudioContentListResponse(totalCount = 0, items = listOf())
+        }
+
         val totalCount = repository.findTotalCountByCreatorId(
             creatorId = creatorId,
             isCreator = isCreator,
@@ -1313,8 +1319,8 @@ class AudioContentService(
         }
     }
 
-    private fun formatMessage(key: String, vararg args: Any): String {
-        val template = messageSource.getMessage(key, langContext.lang) ?: return ""
-        return String.format(template, *args)
+    private fun isBlockedBetweenMembers(memberId: Long, creatorId: Long): Boolean {
+        return blockMemberRepository.isBlocked(blockedMemberId = memberId, memberId = creatorId) ||
+            blockMemberRepository.isBlocked(blockedMemberId = creatorId, memberId = memberId)
     }
 }