From bca5845aff2338448f89d2b007683559467cdf03 Mon Sep 17 00:00:00 2001
From: jeongchanmin <jjw421412@naver.com>
Date: Sun, 29 Dec 2024 12:54:18 +0900
Subject: [PATCH] =?UTF-8?q?Chore=20:=20=ED=95=99=EC=8A=B5=20=EC=84=B8?=
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---
 .../repository/LearningSetRepository.java       |  3 +++
 .../learning/service/LearningAdminService.java  | 17 +++++++++++++----
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/src/main/java/com/ripple/BE/learning/repository/LearningSetRepository.java b/src/main/java/com/ripple/BE/learning/repository/LearningSetRepository.java
index 9db3c75..92e30d6 100644
--- a/src/main/java/com/ripple/BE/learning/repository/LearningSetRepository.java
+++ b/src/main/java/com/ripple/BE/learning/repository/LearningSetRepository.java
@@ -13,4 +13,7 @@ public interface LearningSetRepository extends JpaRepository<LearningSet, Long>
 
     @Query("SELECT l.id FROM LearningSet l WHERE l.level = :level")
     List<Long> findIdsByLevel(@Param("level") Level level);
+
+    @Query("SELECT ls.learningSetNum FROM LearningSet ls")
+    List<String> findAllLearningSetNums();
 }
diff --git a/src/main/java/com/ripple/BE/learning/service/LearningAdminService.java b/src/main/java/com/ripple/BE/learning/service/LearningAdminService.java
index d089ac2..a6e8b5a 100644
--- a/src/main/java/com/ripple/BE/learning/service/LearningAdminService.java
+++ b/src/main/java/com/ripple/BE/learning/service/LearningAdminService.java
@@ -36,19 +36,28 @@ public class LearningAdminService {
     @Transactional
     public void createLearningSetByExcel() {
         try {
+
             List<LearningSet> learningSetList = parseLearningSetsFromExcel();
             Map<String, LearningSet> learningSetMap =
                     learningSetList.stream()
                             .collect(
                                     Collectors.toMap(LearningSet::getLearningSetNum, learningSet -> learningSet));
 
+            // 기존에 존재하는 LearningSetNum 조회
+            List<String> existingLearningSetNums = learningSetRepository.findAllLearningSetNums();
+
+            // 새로운 학습 세트만 필터링
+            List<LearningSet> newLearningSets =
+                    learningSetList.stream()
+                            .filter(
+                                    learningSet -> !existingLearningSetNums.contains(learningSet.getLearningSetNum()))
+                            .collect(Collectors.toList());
+
             addConceptsToLearningSets(learningSetMap);
             addQuizzesToLearningSets(learningSetMap);
 
-            learningSetRepository.saveAll(learningSetList);
-
-            // 모든 사용자에게 학습 세트를 배포
-            learningSetCompleteEventListener.handleLearningSetCompleteEvent(learningSetList);
+            learningSetRepository.saveAll(newLearningSets);
+            learningSetCompleteEventListener.handleLearningSetCompleteEvent(newLearningSets);
 
         } catch (Exception e) {
             log.error("Failed to save learning set by excel", e);