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socket.js
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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();
export default function setupSocket(server) {
const io = new Server(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", async (chatroomId) => {
socket.join(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
socket.on("chat message", async ({ chatroomId, senderId, content, imageBase64 }) => {
try {
if (content && content.length > 255) {
socket.emit("error", { message: "메시지 길이는 255자를 초과할 수 없습니다." });
return;
}
let imageUrl = null;
// 이미지 처리
if (imageBase64) {
const buffer = Buffer.from(imageBase64, 'base64');
imageUrl = await uploadToS3({
buffer,
folderName: "messages",
extension: "png"
});
}
// 메시지 저장
const savedMessage = await prisma.chatMessage.create({
data: {
chatroomId: BigInt(chatroomId),
senderId: BigInt(senderId),
content,
},
});
// 이미지 테이블 저장
if (imageUrl) {
await prisma.image.create({
data: {
target: 'chat_messages',
targetId: savedMessage.id,
imageUrl,
},
});
}
// 클라이언트에 전송
const safeMessage = JSON.parse(stringifyWithBigInt({
id: savedMessage.id,
chatroomId: savedMessage.chatroomId,
senderId: savedMessage.senderId,
content: savedMessage.content,
imageUrl,
createdAt: savedMessage.createdAt,
}));
io.to(chatroomId).emit("chat message", safeMessage);
} catch (err) {
console.error("Socket message error:", err);
socket.emit("error", {
message: "메시지 처리 중 오류가 발생했습니다.",
details: err.message,
});
}
});
socket.on("disconnect", (reason) => {
console.log("User disconnected:", socket.id, reason);
});
});
return io;
}