$(document).ready(function () {
  	var eventSource, total, bar = $('#progressbar');
  	console.log('start');
  	bar.progressbar({value: 0});
  	eventSource = new OC.EventSource(OC.filePath('files', 'ajax', 'upgrade.php'));
  	eventSource.listen('total', function (count) {
  		total = count;
  		console.log(count + ' files needed to be migrated');
  	});
  	eventSource.listen('count', function (count) {
  		bar.progressbar({value: (count / total) * 100});
  		console.log(count);
  	});
  	eventSource.listen('done', function () {
  		document.location.reload();
  	});
  });