MaazAli/phanime

UI.registerHelper("urlifyText", function(text) {

    // We first want to escape all the html if there is any
    var text = _.escape(text);

    var urlRegex = /(((https?:\/\/)|(www\.))[^\s]+)/g;
    var userRegex = /@[a-zA-Z0-9_]+/g;

    // Only one image allowed per post, the rest will be turned into urls
    var imageTrigger = false;
    var ourImage;

    text = text.replace(urlRegex, function(url,b,c) {
        var url2 = (c == 'www.') ?  'http://' +url : url;
        var imageRegex = /^http:\/\/.+\.(gif|png|jpg|jpeg)$/i;
        if (imageRegex.test(url2) && imageTrigger === false) {
            imageTrigger = true;
            ourImage = '<div><a href="' + url2 + '" target="_blank"><img src="' + url2 + '"></a></div>'; 
            return '';
        } else {
            return '<a href="' +url2+ '" target="_blank">' + url + '</a>';
        }
    }); 

    text = text.replace(userRegex, function(match) {
        var userProfileUrl = Router.routes['user'].path({username: match.slice(1, match.length).toLowerCase()});
        return '<a href="' + userProfileUrl + '" class="user-mention">' + match + "</a>";
    });

    if (ourImage) {
        text += "\n";
        text += ourImage;
    } 

    return text;

});