Merge pull request #34 from HandTris/#12

feat: 클라이언트가 보낸 메시지를 서버에서 다시 동일한 클라이언트에게 보내지 않는 로직 구현

src/main/java/jungle/HandTris/application/service/TetrisService.java

@@ -5,12 +5,14 @@
 import org.springframework.messaging.simp.SimpMessagingTemplate;
 import org.springframework.stereotype.Service;
 
+import java.util.Map;
+
 @Service
 @RequiredArgsConstructor
 public class TetrisService {
     private final SimpMessagingTemplate messagingTemplate;
 
-    public void broadcastTetrisMessage(TetrisMessageRequest message) {
-        messagingTemplate.convertAndSend("/topic/tetris", message);
+    public void broadcastTetrisMessage(TetrisMessageRequest message, String senderSessionId) {
+        messagingTemplate.convertAndSend("/topic/tetris", message, Map.of("senderSessionId", senderSessionId));
     }
 }

src/main/java/jungle/HandTris/presentation/TetrisController.java

@@ -4,7 +4,7 @@
 import jungle.HandTris.application.service.TetrisService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.messaging.handler.annotation.MessageMapping;
-import org.springframework.messaging.handler.annotation.SendTo;
+import org.springframework.messaging.simp.SimpMessageHeaderAccessor;
 import org.springframework.stereotype.Controller;
 
 @Controller
@@ -14,9 +14,8 @@ public class TetrisController {
     private final TetrisService tetrisService;
 
     @MessageMapping("/tetris")
-    @SendTo("/topic/tetris")
-    public TetrisMessageRequest handleTetrisMessage(TetrisMessageRequest message) {
-        tetrisService.broadcastTetrisMessage(message);
-        return message;
+    public void handleTetrisMessage(TetrisMessageRequest message, SimpMessageHeaderAccessor headerAccessor) {
+        String sessionId = headerAccessor.getSessionId();
+        tetrisService.broadcastTetrisMessage(message, sessionId);
     }
 }

src/main/java/jungle/HandTris/presentation/dto/request/TetrisMessageRequest.java

@@ -1,4 +1,4 @@
 package jungle.HandTris.presentation.dto.request;
 
-public record TetrisMessageRequest(String[][] board) {
+public record TetrisMessageRequest(String sender, String[][] board) {
 }