Cowin polling

let timer = setInterval(() => {
    if(window.cancelTimer &&  timer) {
        clearInterval(timer);
    }
    fetch('https://cdn-api.co-vin.in/api/v2/appointment/sessions/calendarByPin?pincode=403508&date=14-05-2021').then(res => res.json()).then(obj => {
        //Will have to check for the center and change it here
        console.log(obj.centers);
        obj.centers[1].sessions.forEach(slot => {
            console.log(slot.available_capacity, slot.date);
            if(slot.available_capacity) {
                window.open("https://www.youtube.com/watch?v=IO9XlQrEt2Y", '_blank ');
            }
        })
    })
}, 60 * 1000);


// Change cancel timer to true manually if need to cancel once slot becomes available
cancelTimer = false;