recator placement of code

backend/utils/croner.utils.ts

@@ -0,0 +1,75 @@
+import { Cron } from "croner";
+import { createLogger } from "../logger/logger.controller.js";
+
+// example createJob
+// createCronJob("test Cron", "*/5 * * * * *", async () => {
+// 	console.log("help");
+// });
+
+export interface JobInfo {
+	name: string;
+	schedule: string;
+	nextRun: Date | null;
+	isRunning: boolean;
+}
+
+// Store running cronjobs
+export const runningCrons: Record<string, Cron> = {};
+
+export const createCronJob = async (
+	name: string,
+	schedule: string, // cron string with 8 8 IE: */5 * * * * * every 5th second
+	task?: () => Promise<void>, // what function are we passing over
+) => {
+	// get the timezone based on the os timezone set
+	const timeZone = Intl.DateTimeFormat().resolvedOptions().timeZone;
+
+	// Destroy existing job if it exists
+	if (runningCrons[name]) {
+		runningCrons[name].stop();
+	}
+
+	// Create new job with Croner
+	runningCrons[name] = new Cron(
+		schedule,
+		{
+			timezone: timeZone,
+			catch: true, // Prevents unhandled rejections
+			name: name,
+		},
+		task,
+	);
+
+	const log = createLogger({ module: "system", subModule: "croner" });
+
+	log.info({}, `A job for ${name} was just created.`);
+};
+
+export const getAllJobs = (): JobInfo[] => {
+	return Object.entries(runningCrons).map(([name, job]) => ({
+		name,
+		schedule: job.getPattern() || "invalid",
+		nextRun: job.nextRun() || null,
+		lastRun: job.previousRun() || null,
+		isRunning: job.isRunning(), //job ? !job.isStopped() : false,
+	}));
+};
+
+export const removeCronJob = (name: string) => {
+	if (runningCrons[name]) {
+		runningCrons[name].stop();
+		delete runningCrons[name];
+	}
+};
+
+export const stopCronJob = (name: string) => {
+	if (runningCrons[name]) {
+		runningCrons[name].pause();
+	}
+};
+
+export const resumeCronJob = (name: string) => {
+	if (runningCrons[name]) {
+		runningCrons[name].resume();
+	}
+};