facebookHelper.js

facebookHelper.prototype.getMedia = function (post) {
	console.log(post.type);
	console.log(post.caption);
    var imageUrl = post.type == "link" ? (post.picture ? this.cleanImageUrl(post.picture.match(/(url=)(.+)$/)[2]) : null) : (this.fbFeedUrl + "{objectId}/picture?type=normal&redirect=true&access_token={token}"
        .replace("{objectId}", post.object_id)
        .replace("{token}", this.accessToken));
    if (post.type == "link" || post.type == "photo" || post.type == "event") {
        return imageUrl ? this.imgTemplate.replace(/{url}/g, imageUrl).replace(/{description}/g, post.description) : ""
        + (post.type == "link" ?
            this.linkTemplate.replace(/{linkText}/g, post.name ? post.name : post.story).replace(/{href}/g, post.link) + (post.description ? this.descriptionTemplate.replace(/{description}/g, post.description) : '')
            : ""
            );
    }
    // videos that have no caption
    else if (post.type == "video" && post.caption == undefined) {
        return imageUrl ? this.imgTemplate.replace(/{url}/g, imageUrl).replace(/{description}/g, post.description) : ""
        + (post.type == "link" ?
            this.linkTemplate.replace(/{linkText}/g, post.name ? post.name : post.story).replace(/{href}/g, post.link) + (post.description ? this.descriptionTemplate.replace(/{description}/g, post.description) : '')
            : ""
            );
    }
    // any video that the caption isn't soundcloud
    else if (post.type == "video" && post.caption != "soundcloud.com") {
        var videoId = post.link.split('/');
        videoId = videoId[videoId.length - 1];
        return this.videoTemplate.replace(/{videoId}/g, videoId)
    } else {
       return this.soundCloudTemplate.replace(/{soundCloudUrl}/g, this.getSoundCloudUrl(post.source))
   }
}

facebookHelper.prototype.cleanImageUrl = function (url) {
   var imageUrl = decodeURIComponent(url);
   return (imageUrl.indexOf('&') != -1 ? imageUrl.split('&')[0] : imageUrl);
}