feat(home-following): 커뮤니티 소식 본문 번역을 적용한다

src/main/kotlin/kr/co/vividnext/sodalive/v2/home/following/application/HomeFollowingQueryService.kt

@@ -1,9 +1,12 @@
 package kr.co.vividnext.sodalive.v2.home.following.application
 
+import kr.co.vividnext.sodalive.i18n.LangContext
 import kr.co.vividnext.sodalive.member.Gender
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.member.contentpreference.MemberContentPreferenceService
+import kr.co.vividnext.sodalive.v2.creator.channel.community.translation.application.CreatorCommunityTranslationService
+import kr.co.vividnext.sodalive.v2.home.following.domain.FollowingNewsType
 import kr.co.vividnext.sodalive.v2.home.following.domain.HomeFollowing
 import kr.co.vividnext.sodalive.v2.home.following.port.out.HomeFollowingQueryPort
 import org.springframework.stereotype.Service
@@ -16,6 +19,8 @@ import java.time.LocalDateTime
 class HomeFollowingQueryService(
     private val queryPort: HomeFollowingQueryPort,
     private val memberContentPreferenceService: MemberContentPreferenceService,
+    private val langContext: LangContext,
+    private val creatorCommunityTranslationService: CreatorCommunityTranslationService,
     private val nowProvider: () -> LocalDateTime = { LocalDateTime.now(Clock.systemUTC()) }
 ) {
     fun findHomeFollowing(member: Member): HomeFollowing {
@@ -24,6 +29,15 @@ class HomeFollowingQueryService(
         val effectiveViewerGender = member.effectiveGender()
         val isViewerCreator = member.role == MemberRole.CREATOR
         val now = nowProvider()
+        val recentNews = queryPort.findRecentNews(memberId, canViewAdultContent, now, RECENT_NEWS_LIMIT)
+        val communityPostIds = recentNews.mapNotNull { news ->
+            if (news.type == FollowingNewsType.COMMUNITY_POST) news.communityPost?.postId else null
+        }
+        val displayContents = if (communityPostIds.isEmpty()) {
+            emptyMap()
+        } else {
+            creatorCommunityTranslationService.findDisplayContents(communityPostIds, langContext.lang.code)
+        }
 
         return HomeFollowing(
             followingCreators = queryPort.findFollowingCreators(memberId, FOLLOWING_CREATORS_LIMIT),
@@ -43,7 +57,14 @@ class HomeFollowingQueryService(
                 now,
                 MONTHLY_SCHEDULES_LIMIT
             ),
-            recentNews = queryPort.findRecentNews(memberId, canViewAdultContent, now, RECENT_NEWS_LIMIT)
+            recentNews = recentNews.map { news ->
+                if (news.type != FollowingNewsType.COMMUNITY_POST) return@map news
+
+                val communityPost = news.communityPost ?: return@map news
+                displayContents[communityPost.postId]
+                    ?.let { displayContent -> news.copy(communityPost = communityPost.copy(content = displayContent.content)) }
+                    ?: news
+            }
         )
     }