From dbef4f6e212f764c32557836c5bd95fd0eebed4d Mon Sep 17 00:00:00 2001
From: Carlos Santos <4a.santos@gmail.com>
Date: Tue, 15 Apr 2025 11:15:06 +0200
Subject: [PATCH] backend: Add CRON_JOB_MIN_LOCK_TTL to internal config and use
 it in task scheduler

---
 backend/src/config/internal-config.ts          | 1 +
 backend/src/services/task-scheduler.service.ts | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/backend/src/config/internal-config.ts b/backend/src/config/internal-config.ts
index be2d846..6a841a1 100644
--- a/backend/src/config/internal-config.ts
+++ b/backend/src/config/internal-config.ts
@@ -28,6 +28,7 @@ const INTERNAL_CONFIG = {
 	RECORDING_STARTED_TIMEOUT: '30s' as StringValue, // Timeout for recording start
 	RECORDING_LOCK_GC_INTERVAL: '30m' as StringValue, // Garbage collection interval for recording locks
 
+	CRON_JOB_MIN_LOCK_TTL: '59s' as StringValue, // Minimum TTL for cron job locks
 	// Additional intervals
 	MIN_FUTURE_TIME_FOR_ROOM_AUTODELETION_DATE: '1h' as StringValue
 };
diff --git a/backend/src/services/task-scheduler.service.ts b/backend/src/services/task-scheduler.service.ts
index 525decf..db56953 100644
--- a/backend/src/services/task-scheduler.service.ts
+++ b/backend/src/services/task-scheduler.service.ts
@@ -5,6 +5,7 @@ import { CronJob } from 'cron';
 import { MutexService } from './mutex.service.js';
 import { MeetLock } from '../helpers/redis.helper.js';
 import ms from 'ms';
+import INTERNAL_CONFIG from '../config/internal-config.js';
 
 export type TaskType = 'cron' | 'timeout';
 
@@ -72,7 +73,7 @@ export class TaskSchedulerService {
 		if (type === 'cron') {
 			this.logger.debug(`Scheduling cron task "${name}" with schedule "${scheduleOrDelay}"`);
 			const cronExpression = this.msStringToCronExpression(scheduleOrDelay);
-			const lockDuration = Math.max(ms(scheduleOrDelay) - ms('1m'), ms('59s'));
+			const lockDuration = Math.max(ms(scheduleOrDelay) - ms('1m'), ms(INTERNAL_CONFIG.CRON_JOB_MIN_LOCK_TTL));
 
 			const job = new CronJob(cronExpression, async () => {
 				try {