[REFACTOR] 채팅방 목록 조회 API 수정

prisma/migrations/20250809081437_add_chat_message_read/migration.sql

@@ -0,0 +1,15 @@
+-- CreateTable
+CREATE TABLE `chat_message_reads` (
+    `id` BIGINT NOT NULL AUTO_INCREMENT,
+    `messageId` BIGINT NOT NULL,
+    `accountId` BIGINT NOT NULL,
+    `read` BOOLEAN NOT NULL DEFAULT false,
+
+    PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- AddForeignKey
+ALTER TABLE `chat_message_reads` ADD CONSTRAINT `chat_message_reads_messageId_fkey` FOREIGN KEY (`messageId`) REFERENCES `chat_messages`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE `chat_message_reads` ADD CONSTRAINT `chat_message_reads_accountId_fkey` FOREIGN KEY (`accountId`) REFERENCES `accounts`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

prisma/schema.prisma

@@ -25,6 +25,7 @@ model Account {
   userCategories UserCategory[]
   follows          Follow[]
   userBadges UserBadge[]
+  chatMessageReads ChatMessageRead[]
 
   @@unique([provider, oauthId])
   @@map("accounts")
@@ -235,10 +236,23 @@ model ChatMessage {
 
   chatroom Chatroom @relation(fields: [chatroomId], references: [id])
   sender   User     @relation(fields: [senderId], references: [id])
+  chatMessageReads ChatMessageRead[]
 
   @@map("chat_messages")
 }
 
+model ChatMessageRead {
+  id         BigInt   @id @default(autoincrement())
+  messageId  BigInt
+  accountId  BigInt
+  read       Boolean  @default(false)
+
+  message    ChatMessage @relation(fields: [messageId], references: [id])
+  account    Account     @relation(fields: [accountId], references: [id])
+
+  @@map("chat_message_reads")
+}
+
 model Follow {
   id        BigInt   @id @default(autoincrement())
   artistId  BigInt   @map("artist_id")

src/chat/controller/chatroom.controller.js

@@ -27,7 +27,8 @@ export const createChatroom = async (req, res, next) => {
 export const getChatroom = async (req, res, next) => {
   try {
     const dto = new GetChatroomDto({
-      consumerId: BigInt(req.user.userId)
+      consumerId: BigInt(req.user.userId),
+      accountId: BigInt(req.user.accountId),
     });
 
     const chatrooms = await ChatroomService.getChatroomsByUserId(dto);

src/chat/dto/chatroom.dto.js

@@ -7,11 +7,26 @@ export class CreateChatroomDto {
 }
 
 export class GetChatroomDto {
-    constructor({ consumerId }) {
+    constructor({ consumerId, accountId }) {
         this.consumerId = BigInt(consumerId);
+        this.accountId = BigInt(accountId);
     }
 }
 
+export class ChatroomListResponseDto {
+  constructor(room, unreadCount = 0) {
+    this.chatroom_id = room.id;
+    this.artist_id = room.artist.id;
+    this.artist_nickname = room.artist.nickname;
+    this.artist_profile_image = room.artist.profileImage;
+    this.request_id = room.request.id;
+    this.request_title = room.request.commission.title;
+    this.last_message = room.chatMessages[0]?.content || null;
+    this.last_message_time = room.chatMessages[0]?.createdAt || null;
+    this.has_unread = unreadCount;
+  }
+}
+
 export class DeleteChatroomDto {
   constructor({ chatroomIds, userType, userId }) {
     this.chatroomIds = chatroomIds.map(id => BigInt(id));

src/chat/repository/chat.repository.js

@@ -46,4 +46,50 @@ export const ChatRepository = {
       }
     });
   },
+
+  async markAsRead(accountId, messageId) {
+    return await prisma.chatMessageRead.upsert({
+      where: {
+        messageId_accountId: {
+          messageId: BigInt(messageId),
+          accountId: BigInt(accountId),
+        },
+      },
+      update: { read: true },
+      create: {
+        messageId: BigInt(messageId),
+        accountId: BigInt(accountId),
+        read: true,
+      },
+    });
+  },
+
+  async isMessageRead(accountId, messageId) {
+    const record = await prisma.chatMessageRead.findUnique({
+      where: {
+        messageId_accountId: {
+          messageId: BigInt(messageId),
+          accountId: BigInt(accountId),
+        },
+      },
+    });
+    return record?.read || false;
+  },
+
+  async countUnreadMessages(chatroomId, accountId) {
+    const count = await prisma.chatMessage.count({
+      where: {
+        chatroomId: BigInt(chatroomId),
+        NOT: {
+          chatMessageReads: {
+            some: {
+              accountId: BigInt(accountId),
+              read: true,
+            },
+          },
+        },
+      },
+    });
+    return count;
+  },
 };

src/chat/repository/chatroom.repository.js

@@ -23,11 +23,35 @@ export const ChatroomRepository = {
   },
 
   async findChatroomsByUser(consumerId) {
-    return await prisma.chatroom.findMany({
-        where: {
-            consumerId: consumerId,
-            hiddenConsumer: false,
+    return prisma.chatroom.findMany({
+      where: { consumerId },
+      include: {
+        artist: {
+          select: {
+            id: true,
+            nickname: true,
+            profileImage: true,
+          }
+        },
+        request: {
+          select: {
+            id: true,
+            commission: {
+              select: {
+                title: true
+              }
+            }
+          }
+        },
+        chatMessages: {
+          orderBy: { createdAt: "desc" },
+          take: 1,
+          select: {
+            content: true,
+            createdAt: true
+          }
         }
+      }
     });
   },
 

src/chat/service/chat.service.js

@@ -25,4 +25,12 @@ export const ChatService = {
     const messages =  await ChatRepository.searchByKeyword(dto.keyword, chatroomIds);
     return messages;
   },
+
+  async markMessageAsRead(accountId, messageId) {
+    return await ChatRepository.markAsRead(accountId, messageId);
+  },
+
+  async getUnreadCount(chatroomId, accountId) {
+    return await ChatRepository.countUnreadMessages(chatroomId, accountId);
+  }
 };

src/chat/service/chatroom.service.js

@@ -1,10 +1,12 @@
 import { ChatroomRepository } from "../repository/chatroom.repository.js";
+import { ChatRepository } from "../repository/chat.repository.js";
 import { UserRepository } from "../../user/repository/user.repository.js";
 import { RequestRepository } from "../../request/repository/request.repository.js";
 import { UserNotFoundError } from "../../common/errors/user.errors.js";
 import { ArtistNotFoundError } from "../../common/errors/artist.errors.js";
 import { RequestNotFoundError } from "../../common/errors/request.errors.js";
 import { ChatroomNotFoundError } from "../../common/errors/chat.errors.js";
+import { ChatroomListResponseDto } from "../dto/chatroom.dto.js";
 
 export const ChatroomService = {
   async createChatroom(dto) {
@@ -52,8 +54,15 @@ export const ChatroomService = {
     }
 
     const chatrooms = await ChatroomRepository.findChatroomsByUser(dto.consumerId);
-
-    return chatrooms;
+    console.log(dto.accountId)
+
+    const result = [];
+    for (const room of chatrooms) {
+      const unreadCount = await ChatRepository.countUnreadMessages(room.id, dto.accountId);
+      result.push(new ChatroomListResponseDto(room, unreadCount));
+    }
+
+    return result;
   },
 
   async softDeleteChatroomsByUser(dto) {

src/chat/socket/socket.js

@@ -2,6 +2,8 @@ import { uploadToS3 } from "../../s3.upload.js";
 import { Server } from "socket.io";
 import { stringifyWithBigInt } from "../../bigintJson.js";
 import { PrismaClient } from '@prisma/client';
+import { verifyJwt } from '../../jwt.config.js';
+import { ChatRepository } from "../repository/chat.repository.js";
 
 const prisma = new PrismaClient();
 
@@ -10,13 +12,61 @@ export default function setupSocket(server) {
     cors: { origin: "*", methods: ["GET", "POST"] },
   });
 
+  io.use((socket, next) => {
+    try {
+      const token = socket.handshake.auth?.token;
+      if (!token) {
+        return next(new Error("Authentication error: Token missing"));
+      }
+      const user = verifyJwt(token);
+      socket.user = user; // userId, role 등 저장
+      next();
+    } catch (err) {
+      next(new Error("Authentication error: Invalid token"));
+    }
+  });
+
   io.on("connection", (socket) => {
     console.log("User connected:", socket.id);
 
     // 채팅방 join
-    socket.on("join", (chatroomId) => {
+    socket.on("join", async (chatroomId) => {
       socket.join(chatroomId);
-      console.log(`User ${socket.id} joined chatroom ${chatroomId}`);
+      console.log(`User ${socket.user.userId} joined chatroom ${chatroomId}`);
+
+      try {
+        console.log(socket.user)
+        const accountId = BigInt(socket.user.accountId);
+
+        // 해당 채팅방의 모든 미확인 메시지에 대해 읽음 처리
+        const unreadMessages = await prisma.chatMessage.findMany({
+          where: {
+            chatroomId: BigInt(chatroomId),
+            NOT: {
+              chatMessageReads: {
+                some: {
+                  accountId: BigInt(accountId),
+                  read: true,
+                },
+              },
+            },
+          },
+        });
+
+        // 읽음 상태 기록 업데이트
+        await Promise.all(
+          unreadMessages.map((msg) =>
+            ChatRepository.markAsRead(accountId, msg.id)
+          )
+        );
+
+        // 필요하면 클라이언트에 읽음 처리 완료 알림 전송
+        socket.emit("read messages success", { chatroomId });
+
+      } catch (err) {
+        console.error("Error marking messages as read:", err);
+        socket.emit("error", { message: "읽음 처리 중 오류가 발생했습니다." });
+      }
     });
 
     // 메시지 수신

src/common/swagger/chat.json

@@ -107,12 +107,15 @@
                       "items": {
                         "type": "object",
                         "properties": {
-                          "id": { "type": "integer", "example": 10 },
-                          "consumerId": { "type": "integer", "example": 1 },
-                          "artistId": { "type": "integer", "example": 2 },
-                          "requestId": { "type": "integer", "example": 3 },
-                          "createdAt": { "type": "string", "format": "date-time" },
-                          "updatedAt": { "type": "string", "format": "date-time" }
+                          "chatroom_id": { "type": "string", "example": "2" },
+                          "artist_id": { "type": "string", "example": "1" },
+                          "artist_nickname": { "type": "string", "example": "artist_one" },
+                          "artist_profile_image": { "type": "string", "example": "https://example.com/artist1.png" },
+                          "request_id": { "type": "string", "example": "1" },
+                          "request_title": { "type": "string", "example": "테스트 커미션 글" },
+                          "last_message": { "type": ["string", "null"], "example": null },
+                          "last_message_time": { "type": ["string", "null"], "format": "date-time", "example": null },
+                          "has_unread": { "type": "integer", "example": 0 }
                         }
                       }
                     }