Scheduler-Backend/public/javascripts/utils.js

"use strict";

async function fetchWithToken(url, options) {
    const authToken = localStorage.getItem('token');
    return await fetch(url, {...options, headers: {
            'Authorization': `Bearer ${authToken}`,
            'Content-Type': 'application/json',
            'Cache-Control': 'no-cache, no-store',
        }});
}

async function fetchRegular(url, options) {
    return await fetch(url, {...options, headers: {
            'Content-Type': 'application/json',
            'Cache-Control': 'no-cache, no-store',
        }});
}

// Function to format time as HH:MM
function formatTime(date) {
    const hours = date.getUTCHours().toString().padStart(2, '0');
    const minutes = date.getUTCMinutes().toString().padStart(2, '0');
    return `${hours}:${minutes}`;
}

// Function to get the time span (e.g., 09:00 to 10:00)
function getTimeSpan(start, end) {
    return `${formatTime(new Date(start))} to ${formatTime(new Date(end))}`;
}

async function parseOrRedirect(response) {
    if (response.status === 401) {
        window.location.replace("/html/auth.html");
        return;
    }

    if (response.status === 410) {
        window.location.replace("/html/410.html");
        return;
    }

    const js = await response.json();
    if (!response.ok) {
        window.location.replace("/html/404.html");
    }

    return js;
}

export { fetchWithToken, getTimeSpan, parseOrRedirect, fetchRegular };