Kopiro TimeAgo

kopiro.timeago.js

Date.prototype.timeAgoString = function(granularity)
{
	var t = this.timeAgo(granularity);
	var r = [];
	for (var i=0; i<t.length; i++)
		r.push( t[i].time+' '+t[i].key );
	return r.join(' e ');
}

Date.prototype.timeAgo = function(granularity)
{
	var difference = new Date().getTime() - this.getTime();
	difference = Math.abs(difference) / 1000;
	var retVal = [];
	if (!granularity) granularity = 2;

	var periods = 
	{
		'decad':315360000,
		'ann':31536000,
		'mes':2628000,
		'settiman':604800, 
		'giorn':86400,
		'or':3600,
		'minut':60,
		'second':1
	};
    
	for (var key in periods)
	{
		var value = periods[key];
		
		if ( difference >= value ) 
		{
			var time = Math.round(difference/value);
			difference %= value;
		
			if (time>1)
			{
				if ( key=='or' || key=='settiman' ) key += 'e';
				else key += 'i';
			}
			else
			{
				if ( key=='second' || key=='minut' || key=='giorn' ) key += 'o';
				else if ( key=='or' || key=='settiman' )key += 'a';
				else key += 'e';
            }
            
            retVal.push({ key:key, time:time });
            granularity--; 
        }
        if (!granularity) break;
    }
    return retVal;
}

$(function(){
setInterval(function(){

$('.timeago').each(function(k,el)
{
	el = $(el);
	var dt = el.attr('datetime');
	if (!dt) return;
	dt = new Date(dt);
	el.html( dt.timeAgoString() );
});

}, 1000);
});