From eed755fd11130dca510bf90a70bed3cc8d04ca65 Mon Sep 17 00:00:00 2001
From: Klaus <klaus@vividnext.co.kr>
Date: Tue, 12 Aug 2025 21:03:06 +0900
Subject: [PATCH] =?UTF-8?q?feat(admin-character):=20=EC=BA=90=EB=A6=AD?=
 =?UTF-8?q?=ED=84=B0=20=EC=88=98=EC=A0=95=20API?=
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- 태그 중복 매핑이 되지 않도록 수정
---
 .../character/service/ChatCharacterService.kt | 28 +++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/chat/character/service/ChatCharacterService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/chat/character/service/ChatCharacterService.kt
index 7f9e20c..9f1b1cd 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/chat/character/service/ChatCharacterService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/chat/character/service/ChatCharacterService.kt
@@ -123,6 +123,31 @@ class ChatCharacterService(
         tags.distinct().forEach { addTagToCharacter(chatCharacter, it) }
     }
 
+    /**
+     * 태그 매핑을 증분 업데이트(추가/삭제만)하여 불필요한 매핑 레코드 재생성을 방지
+     */
+    @Transactional
+    fun updateTagsForCharacter(chatCharacter: ChatCharacter, tags: List<String>) {
+        val desired = tags.distinct()
+        // 현재 매핑된 태그 문자열 목록
+        val current = chatCharacter.tagMappings.map { it.tag.tag }
+
+        // 추가가 필요한 태그
+        val toAdd = desired.filterNot { current.contains(it) }
+        toAdd.forEach { addTagToCharacter(chatCharacter, it) }
+
+        // 제거가 필요한 태그 매핑
+        if (chatCharacter.tagMappings.isNotEmpty()) {
+            val iterator = chatCharacter.tagMappings.iterator()
+            while (iterator.hasNext()) {
+                val mapping = iterator.next()
+                if (!desired.contains(mapping.tag.tag)) {
+                    iterator.remove() // orphanRemoval=true 이므로 매핑 엔티티 삭제 처리
+                }
+            }
+        }
+    }
+
     /**
      * 여러 가치관을 한번에 캐릭터에 연결
      */
@@ -412,8 +437,7 @@ class ChatCharacterService(
 
         // request에서 변경된 데이터만 업데이트
         if (request.tags != null) {
-            chatCharacter.tagMappings.clear()
-            addTagsToCharacter(chatCharacter, request.tags)
+            updateTagsForCharacter(chatCharacter, request.tags)
         }
 
         if (request.values != null) {