From df205a52d3e0348c07d46416b983ad8e49ede82c Mon Sep 17 00:00:00 2001
From: Hyun0828 <spdlqj4818@naver.com>
Date: Tue, 12 Aug 2025 22:37:11 +0900
Subject: [PATCH] =?UTF-8?q?[FEAT]=20=EC=A7=84=ED=96=89=20=EC=A4=91?=
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---
 src/main/java/stackpot/mongo/ChatRepository.java              | 2 ++
 .../stackpot/chat/service/chat/ChatCommandService.java        | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/src/main/java/stackpot/mongo/ChatRepository.java b/src/main/java/stackpot/mongo/ChatRepository.java
index 8ed44622..09d6c560 100644
--- a/src/main/java/stackpot/mongo/ChatRepository.java
+++ b/src/main/java/stackpot/mongo/ChatRepository.java
@@ -25,4 +25,6 @@ public interface ChatRepository extends MongoRepository<Chat, String> {
     int countByChatRoomId(Long chatRoomId);
 
     int countByChatRoomIdAndIdGreaterThan(Long chatRoomId, Long lastReadChatId);
+
+    void deleteByUserIdAndChatRoomId(Long userId, Long chatRoomId);
 }
diff --git a/src/main/java/stackpot/stackpot/chat/service/chat/ChatCommandService.java b/src/main/java/stackpot/stackpot/chat/service/chat/ChatCommandService.java
index 405873ec..edcbd793 100644
--- a/src/main/java/stackpot/stackpot/chat/service/chat/ChatCommandService.java
+++ b/src/main/java/stackpot/stackpot/chat/service/chat/ChatCommandService.java
@@ -28,4 +28,8 @@ public Chat saveChatMessage(ChatRequestDto.ChatMessageDto chatMessageDto, Long u
 
         return chatRepository.save(chat);
     }
+
+    public void deleteChatMessage(Long userId, Long chatRoomId) {
+        chatRepository.deleteByUserIdAndChatRoomId(userId, chatRoomId);
+    }
 }