feat(recommend): 조회 이력 성공 로그를 커밋 후 기록한다

src/main/kotlin/kr/co/vividnext/sodalive/v2/recommend/application/CreatorContentViewHistoryService.kt

@@ -2,20 +2,36 @@ package kr.co.vividnext.sodalive.v2.recommend.application
 
 import kr.co.vividnext.sodalive.v2.recommend.port.out.CreatorContentViewHistoryPort
 import kr.co.vividnext.sodalive.v2.recommend.port.out.CreatorContentViewHistoryRecord
+import org.slf4j.LoggerFactory
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Propagation
 import org.springframework.transaction.annotation.Transactional
+import org.springframework.transaction.support.TransactionSynchronization
+import org.springframework.transaction.support.TransactionSynchronizationManager
 import java.time.LocalDateTime
 
 @Service
 class CreatorContentViewHistoryService(
     private val port: CreatorContentViewHistoryPort
 ) {
+    private val log = LoggerFactory.getLogger(javaClass)
+
     @Transactional(propagation = Propagation.REQUIRES_NEW)
     fun recordView(memberId: Long?, contentId: Long, viewedAt: LocalDateTime = LocalDateTime.now()) {
-        if (memberId == null) return
+        if (memberId == null) {
+            log.info("event=creator_content_view_history_record_skipped reason=anonymous contentId={}", contentId)
+            return
+        }
 
-        val genreId = port.findGenreIdByContentId(contentId) ?: return
+        val genreId = port.findGenreIdByContentId(contentId)
+        if (genreId == null) {
+            log.info(
+                "event=creator_content_view_history_record_skipped reason=genre_not_found memberId={} contentId={}",
+                memberId,
+                contentId
+            )
+            return
+        }
         port.save(
             CreatorContentViewHistoryRecord(
                 memberId = memberId,
@@ -24,5 +40,25 @@ class CreatorContentViewHistoryService(
                 viewedAt = viewedAt
             )
         )
+        afterCommit {
+            log.info(
+                "event=creator_content_view_history_record_success memberId={} contentId={} genreId={}",
+                memberId,
+                contentId,
+                genreId
+            )
+        }
+    }
+
+    private fun afterCommit(action: () -> Unit) {
+        if (!TransactionSynchronizationManager.isSynchronizationActive()) {
+            action()
+            return
+        }
+        TransactionSynchronizationManager.registerSynchronization(
+            object : TransactionSynchronization {
+                override fun afterCommit() = action()
+            }
+        )
     }
 }