#103 채팅 Dto Json 변환

src/main/java/com/seoultech/synergybe/domain/chat/dto/response/ChatMessageResponse.java

@@ -0,0 +1,14 @@
+package com.seoultech.synergybe.domain.chat.dto.response;
+
+import com.seoultech.synergybe.domain.chat.domain.ChatType;
+
+public record ChatMessageResponse(
+        String id,
+        Long chatRoomId,
+        String userId,
+        String message,
+        ChatType chatType,
+        String imageName,
+        String imageUrl
+) {
+}

src/main/java/com/seoultech/synergybe/domain/chat/dto/response/GetChatRoomResponse.java

@@ -1,7 +1,10 @@
 package com.seoultech.synergybe.domain.chat.dto.response;
 
+import java.util.List;
+
 public record GetChatRoomResponse(
         Long chatRoomId,
-        String chatRoomName
+        String chatRoomName,
+        List<String> userIds
 ) {
 }

src/main/java/com/seoultech/synergybe/domain/chat/handler/ChatHandler.java

@@ -1,8 +1,10 @@
 package com.seoultech.synergybe.domain.chat.handler;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.seoultech.synergybe.domain.chat.domain.ChatType;
 import com.seoultech.synergybe.domain.chat.dto.request.ChatMessageRequest;
+import com.seoultech.synergybe.domain.chat.dto.response.ChatMessageResponse;
 import com.seoultech.synergybe.domain.chat.exception.WebSocketBadRequestException;
 import com.seoultech.synergybe.domain.chat.service.ChatMessageService;
 import com.seoultech.synergybe.domain.user.User;
@@ -110,9 +112,6 @@ protected void handleTextMessage(WebSocketSession session, TextMessage message)
             // 채팅 전송
             sendMessageToChatRoom(chatMessageRequest, webSocketSessionList);
 
-            // 한사람에 대해서만 저장을 해야함
-            saveMessage(chatMessageRequest);
-
         } else if (chatMessageRequest.chatType().equals(ChatType.IMAGE)) {
             // todo
             // 이미지 혹은 영상 처리
@@ -141,19 +140,30 @@ private List<WebSocketSession> getSessionListByChatRoomId(Long chatRoomId) {
         return webSocketSessionMap.getWebsocketListHashMap().get(chatRoomId).getWebSocketSessions();
     }
 
-    private void sendMessageToChatRoom(ChatMessageRequest chatMessageRequest, WebSocketSessionList webSocketSessionList) {
+    private void sendMessageToChatRoom(ChatMessageRequest chatMessageRequest, WebSocketSessionList webSocketSessionList) throws JsonProcessingException {
         for (WebSocketSession session : webSocketSessionList.getWebSocketSessions()) {
-            sendMessage(session, chatMessageRequest.message());
+            // 한사람에 대해서만 저장을 해야함
+            String chatId = saveMessage(chatMessageRequest);
+            ChatMessageResponse chatMessageResponse = new ChatMessageResponse(
+                    chatId,
+                    chatMessageRequest.chatRoomId(),
+                    chatMessageRequest.userId(),
+                    chatMessageRequest.message(),
+                    chatMessageRequest.chatType(),
+                    null,
+                    null
+            );
+            sendMessage(session, objectMapper.writeValueAsString(chatMessageResponse));
         }
     }
 
-    private void saveMessage(ChatMessageRequest chatMessageRequest) {
-        chatMessageService.saveChat(chatMessageRequest);
+    private String saveMessage(ChatMessageRequest chatMessageRequest) {
+        return chatMessageService.saveChat(chatMessageRequest);
     }
 
     private <T> void sendMessage(WebSocketSession session, T message) {
         try {
-            session.sendMessage(new TextMessage(objectMapper.writeValueAsString(message)));
+            session.sendMessage(new TextMessage(message.toString()));
         } catch (IOException e) {
             log.error(e.getMessage(), e);
         }

src/main/java/com/seoultech/synergybe/domain/chat/service/ChatMessageService.java

@@ -17,9 +17,8 @@
 public class ChatMessageService {
     private final ChatMessageRepository chatMessageRepository;
 
-    public void saveChat(ChatMessageRequest chatMessageRequest) {
+    public String saveChat(ChatMessageRequest chatMessageRequest) {
         // mongoDB는 UTC로 저장되므로 +9를 해주어 한국시간과 맞춘다
-//        LocalDateTime createAt = LocalDateTime.now().plusHours(9);
         LocalDateTime createAt = LocalDateTime.now();
 
         if (chatMessageRequest.chatType().equals(ChatType.TEXT)) {
@@ -31,10 +30,16 @@ public void saveChat(ChatMessageRequest chatMessageRequest) {
                     .createAt(createAt)
                     .build();
 
-            log.info("chatMessage Id" + chatMessage.getId());
+            log.info("chatMessage Id: " + chatMessage.getId());
+
             log.info("chatMessage message " + chatMessage.getMessage());
 
-            chatMessageRepository.save(chatMessage);
+            ChatMessage chat = chatMessageRepository.save(chatMessage);
+
+            log.info("chat Id: " + chat.getId());
+
+
+            return chat.getId();
 
         } else if (chatMessageRequest.chatType().equals(ChatType.IMAGE)) {
             ChatMessage chatMessage = ChatMessage.builder()
@@ -46,7 +51,11 @@ public void saveChat(ChatMessageRequest chatMessageRequest) {
                     .createAt(createAt)
                     .build();
             chatMessageRepository.save(chatMessage);
+
+            return chatMessage.getId();
+
         }
+        return "";
     }
 
     public List<ChatMessage> getChatListByChatRoomId(Long chatRoomId) {

src/main/java/com/seoultech/synergybe/domain/chat/service/ChatRoomService.java

@@ -9,6 +9,7 @@
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
+import java.util.ArrayList;
 import java.util.List;
 
 @Service
@@ -32,13 +33,18 @@ public void createRoom(CreateChatRoomRequest request) {
 
     public List<GetChatRoomResponse> getChatRoomsByUserId(String userId) {
         List<ChatRoom> chatRooms = chatRoomRepository.findAllByCreateUserIdOrAttendUserId(userId);
-
-        List<GetChatRoomResponse> getChatRoomResponses = chatRooms.stream().map(
-                chatRoom -> new GetChatRoomResponse(
-                        chatRoom.getId(), chatRoom.getName()
-                )
+        return chatRooms.stream().map(
+                chatRoom -> {
+                    // 기존 userIds 리스트를 복사하고, 새로운 userId를 추가
+                    List<String> newUserIds = new ArrayList<>();
+                    newUserIds.add(chatRoom.getCreateUser().getId());
+                    newUserIds.add(chatRoom.getAttendUser().getId());
+                    return new GetChatRoomResponse(
+                            chatRoom.getId(),
+                            chatRoom.getName(),
+                            newUserIds
+                    );
+                }
         ).toList();
-
-        return getChatRoomResponses;
     }
 }