$('.ovc_descr_short').each(function(_, e) {
  if (e.textContent.length > 30) $(e).text(e.textContent.slice(0,30) + '...')
})

var playlists = $(".playlists");

var cid = playlists.attr('cid');

var course = $(".course_header")[0];
var courseID = $(course.getElementsByClassName("coursename_header")[0].getElementsByTagName("a")[0]).attr('href').replace("/course/view.php?id=","");
var mid = "XAOe";

playlists.children().each(function (index, value) {
    var video = $(this).children();

    var playlistid = $(this).attr('id').replace("playlist","");

    video.each(function (video_index, video_value) {
        var block = $(video_value);

        var element = $("<button></button>").text("הורד סרטון").attr('class','getvideo').attr('cid',cid).attr('playlistid',playlistid).attr('courseID',courseID).attr('mid',mid);

        var link = block.find("div.ovc_descr_short");
        link.append(element);
    });
});

$(".getvideo").click(function(){
var url = "http://opal.openu.ac.il/mod/ouilvideocollection/actions.php";
var action = "getplaylist";
var context = $(this).attr('cid');
var playlistid = $(this).attr('playlistid');
var courseID = $(this).attr('courseID');
var mid = $(this).attr('mid');

jQuery.ajax({
    type: "POST",
    url: url,
    data: {action: action, context: context, playlistid: playlistid, course: courseID, mid: mid},
    success: function(data) {
        var obj = jQuery.parseJSON(data);
        var cdnid = obj.cdnid;

        var getURL = "http://opal.openu.ac.il/local/ouil_video/player.php?mediaid=" + cdnid + "&ie9=2"
        $.get(getURL, function(data) {
            var info = $(data.html)[2];
            var href = $(info).find("source").attr('src');
            window.open(href, '_blank');
        });
    }
});

});