feat: 채팅 컨트롤러 (#9)

controllers/chatController.js

+const chatService = require('../services/chatService');
+
+// 내부용 채팅방 생성
+exports.createChatRoomInternal = async (params) => {
+  try {
+    return await chatService.createChatRoom(params);
+  } catch (err) {
+    console.error('Error in createChatRoomInternal:', err);
+    return { success: false, error: err.message };
+  }
+};
+
+// 새 채팅방 생성
+exports.createChatRoom = async (req, res) => {
+  try {
+    const chatRoomId = await chatService.createChatRoom();
+    res.json({ chatRoomId });
+  } catch (err) {
+    console.error('Error creating room:', err);
+    res.status(500).json({ error: 'Failed to create room' });
+  }
+};
+
+// 채팅방 목록 조회
+exports.getChatRooms = async (req, res) => {
+  try {
+    const roomData = await chatService.getChatRooms();
+    res.json(roomData);
+  } catch (err) {
+    console.error('Error fetching rooms:', err);
+    res.status(500).json({ error: 'Failed to fetch rooms' });
+  }
+};
+
+// 사용자 상태 업데이트
+exports.updateStatus = async (req, res) => {
+  const { chatRoomId, nickname, isOnline } = req.body;
+  try {
+    await chatService.updateStatus(chatRoomId, nickname, isOnline);
+    res.status(200).json({ message: 'User status updated successfully' });
+  } catch (err) {
+    console.error('Error updating user status:', err);
+    res.status(500).json({ error: 'Failed to update user status' });
+  }
+};
+
+// 읽음 상태 업데이트
+exports.updateReadStatus = async (req, res) => {
+  const { chatRoomId, nickname } = req.body;
+  try {
+    await chatService.updateReadStatus(chatRoomId, nickname);
+    res.status(200).json({ message: 'Read status updated' });
+  } catch (err) {
+    console.error('Error updating read status:', err);
+    res.status(500).json({ error: 'Failed to update read status' });
+  }
+};
+
+// 읽지 않은 메시지 조회
+exports.getUnreadMessages = async (req, res) => {
+  const { nickname } = req.params;
+  try {
+    const unreadMessages = await chatService.getUnreadMessages(nickname);
+    res.status(200).json(unreadMessages);
+  } catch (err) {
+    console.error('Error fetching unread messages:', err);
+    res.status(500).json({ error: 'Failed to fetch unread messages' });
+  }
+};
+
+// 읽지 않은 메시지 수 조회
+exports.getUnreadCount = async (req, res) => {
+  const { chatRoomId } = req.params;
+  try {
+    const unreadCountMap = await chatService.getUnreadCount(chatRoomId);
+    res.status(200).json(unreadCountMap);
+  } catch (err) {
+    console.error('Error fetching unread counts:', err);
+    res.status(500).json({ error: 'Failed to fetch unread counts' });
+  }
+};
+
+// 읽은 로그 ID 업데이트
+exports.updateReadLogId = async (req, res) => {
+  const { chatRoomId, nickname, logId } = req.body;
+  try {
+    await chatService.updateReadLogId(chatRoomId, nickname, logId);
+    res.status(200).json({ message: 'Last read logID updated' });
+  } catch (err) {
+    console.error('Error updating last read logID:', err);
+    res.status(500).json({ error: 'Failed to update last read logID' });
+  }
+};
+
+// 상태와 로그 ID 동시 업데이트
+exports.updateStatusAndLogId = async (req, res) => {
+  const { chatRoomId, nickname, isOnline, logId } = req.body;
+  try {
+    await chatService.updateStatusAndLogId(chatRoomId, nickname, isOnline, logId);
+    res.status(200).json({ message: 'User status and lastReadLogId updated successfully' });
+  } catch (err) {
+    console.error('Error updating user status and lastReadLogId:', err);
+    res.status(500).json({ error: 'Failed to update user status and lastReadLogId' });
+  }
+};
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