function getTime(/** timestamp=0 **/) {
    var ts = arguments[0] || 0;
    var t = ts ? new Date(ts * 1000) : new Date();
    return dateTimeFormat(t);
}

function dateTimeFormat(date) {
    var y = date.getFullYear();
    var m = date.getMonth() + 1;
    var d = date.getDate();
    var h = date.getHours();
    var mi = date.getMinutes();
    var s = date.getSeconds();
    return [y, m, d].map(formatNumber).join('-') + ' ' + [h, mi, s].map(formatNumber).join(':');
}

function formatNumber(n) {
    n = n.toString();
    return n[1] ? n : '0' + n
}

function formatDate(date) {
    if (isUnde(date)) return ''
    return getTime(unixtime(date))
}

function unixtime(date) {
    if (isUnde(date)) return undefined;
    var pa = /.*\((.*)\)/;
    return date.match(pa)[1].substring(0, 10);
}

function isUnde(v) {
    return v === '' || v === undefined || v === null;
}