MetricTracking.ts

import { User } from "./DataAccessLayer";
import { LogCall } from "./logCall";
import { Retry } from "./retry";
export type Action = "Click" | "Submit" | "Redirect";
function randomIntInclusive(min: number, max: number) {
	return Math.floor(Math.random() * (max - min + 1) + min);
}
export class MetricTracking {
	/**
	 * This method attempts to mark a user action in the metric tracking service. It retries 3x over the course of 5 seconds
	 * @param user The user who performed the action
	 * @param action The action that was performed
	 */
	@Retry(3, 5000 / 3)
	@LogCall
	trackMetric(user: User, action: Action): void {
		const roll = randomIntInclusive(1, 3);
		if (roll === 3) {
			console.log("Failure occurred!");
			throw new Error("Service unavailable");
		}
		console.log("Success");
	}
}