Merge pull request #112 from CS3219-AY2425S1/add-room-expiry

Add Room Expiry

Author: njxue

backend/matching-service/.env.example

@@ -20,6 +20,9 @@ CLEANUP_INTERVAL=75000
 
 JWT_ACCESS_TOKEN_SECRET=<your-jwt-accecss-token>
 
+# Lifespan of a room (1 day in milliseconds)
+ROOM_LIFESPAN=86400000
+
 # Copy root .env
 # If using mongoDB containerization, set to true. Else set to false (i.e local testing)
 DB_REQUIRE_AUTH=true

backend/matching-service/controllers/roomController.ts

@@ -1,6 +1,8 @@
 import roomModel from "../models/RoomSchema";
 import { Request, Response, NextFunction } from "express";
 
+const ROOM_LIFESPAN = parseInt(process.env.ROOM_LIFESPAN || "86400000"); // 86400000ms = 1 day
+
 export async function getRoomDetails(
     request: Request,
     response: Response,
@@ -13,6 +15,9 @@ export async function getRoomDetails(
         if (!room) {
             throw new Error("Room not found");
         }
+        if (Date.now() - room.createdAt.getTime() > ROOM_LIFESPAN) {
+            throw new Error("Room has expired");
+        } 
         response.status(200).json({
             roomId, 
             attemptStartedAt: room.createdAt.getTime(),