Merge pull request #307 from boostcampwm-2024/feat/websocket-chatting

🐛 fix: 채팅 날짜 변경 알림 로직 수정

client/src/utils/date.ts

@@ -8,7 +8,7 @@ export const formatDate = (dateString: string | undefined | null) => {
     if (isNaN(date.getTime())) {
       return "-";
     }
-    return date.toISOString().split("T")[0];
+    return date.toLocaleDateString('en-CA');
   } catch (error) {
     console.error("Date formatting error:", error);
     return "-";

server/src/chat/chat.gateway.ts

@@ -9,7 +9,7 @@ import { Server, Socket } from 'socket.io';
 import { RedisService } from '../common/redis/redis.service';
 import { Injectable } from '@nestjs/common';
 import { getRandomNickname } from '@woowa-babble/random-nickname';
-import * as cron from 'node-cron';
+import { Cron, CronExpression } from '@nestjs/schedule';
 
 const CLIENT_KEY_PREFIX = 'socket_client:';
 const CHAT_HISTORY_KEY = 'chat:history';
@@ -33,22 +33,13 @@ type BroadcastPayload = {
 export class ChatGateway implements OnGatewayConnection, OnGatewayDisconnect {
   @WebSocketServer()
   server: Server;
-  private cronTask: cron.ScheduledTask;
+  private dayInit: boolean;
 
   constructor(private readonly redisService: RedisService) {}
 
-  onModuleInit() {
-    this.startMidnightCron();
-  }
-
-  onModuleDestroy() {
-    this.cronTask.stop();
-  }
-
-  private startMidnightCron() {
-    this.cronTask = cron.schedule('0 0 * * *', () => {
-      this.emitMidnightMessage();
-    });
+  @Cron(CronExpression.EVERY_DAY_AT_MIDNIGHT)
+  private midnightInitializer() {
+    this.dayInit = true;
   }
 
   private async emitMidnightMessage() {
@@ -110,6 +101,11 @@ export class ChatGateway implements OnGatewayConnection, OnGatewayDisconnect {
 
     await this.saveMessageToRedis(broadcastPayload);
 
+    if (this.dayInit) {
+      this.dayInit = false;
+      this.emitMidnightMessage();
+    }
+
     this.server.emit('message', broadcastPayload);
   }