Merge pull request #184 from prgrms-web-devcourse-final-project/fix/#183

-reply-redis fix: #183 답장 편지 레디스에 중복해서 저장되는 문제 해결
prgrms-web-devcourse-final-project · Dec 9, 2024 · 37bce88 · 37bce88
2 parents 2e8478d + 5566c85
commit 37bce88
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/main/java/postman/bottler/mapletter/service/MapLetterService.java b/src/main/java/postman/bottler/mapletter/service/MapLetterService.java
@@ -364,9 +364,14 @@ public void fetchRecentReply(Long userId, int fetchItemSize) {
         List<ReplyProjectDTO> reversedList = new ArrayList<>(recentMapKeywordReplyByUserId);
         Collections.reverse(reversedList);
 
+        List<Object> existingValues = redisTemplate.opsForList().range(key, 0, -1);
+
         for (ReplyProjectDTO replyLetter : reversedList) {
             String tempValue = replyLetter.getType() + ":" + replyLetter.getId() + ":" + replyLetter.getLabel();
-            redisTemplate.opsForList().leftPush(key, tempValue);
+
+            if (existingValues == null || !existingValues.contains(tempValue)) { //레디스에 없을 때만 저장
+                redisTemplate.opsForList().leftPush(key, tempValue);
+            }
         }
     }