FacebookPost.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Globalization;
using Facebook;

namespace PhosphorUsercontrols
{
    public class FacebookPostLink {
        public string URL { get; set; }
        public string Name { get; set; }
        public string Caption { get; set; }
        public string Description { get; set; }
        public string HTML
        {
            get
            {
                return String.Format("<a href=\"{0}\" title=\"{1}\">{2}</a>\n<p>{3}</p>", URL, Caption, Name, Description);
            }
        }
    }

    public class FacebookPost
    {
        // This maps very loosely to the schema described in: https://developers.facebook.com/docs/reference/api/post/
        // except I'm only keeping exactly what I need
        public string GraphID { get; set; }

        public string FromName { get; set; }
        public string FromID { get; set; }

        public string URL 
        {
            get
            {
                var components = GraphID.Split(new char[] { '_' });
                var streamID = components[0];
                var itemID = components[1];
                return String.Format("http://facebook.com/{0}/posts/{1}", FromID, itemID);
            }
        }

        public string StreamURL
        {
            get
            {
                return String.Format("http://facebook.com/{0}", FromID);
            }
        }

        public string Message { get; set; }
        public FacebookPostLink Link { get; set; }
        public string Picture { get; set; }
        public string Type { get; set; }
        public DateTimeOffset CreatedTime { get; set; }

        public static FacebookPost FromJSON(dynamic json) 
        {
            FacebookPostLink link = null;
            if (json.link != null)
            {
                link = new FacebookPostLink
                {
                    URL = json.link,
                    Name = json.name,
                    Caption = json.caption,
                    Description = json.description
                };
            }

            return new FacebookPost
            {
                GraphID = json.id,
                FromName = json.from != null ? json.from.name : "anonymous",
                FromID = json.from != null ? json.from.id : null,
                Message = json.message ?? "",
                Link = link,
                Picture = json.picture,
                Type = json.type,
                CreatedTime = DateTimeOffset.Parse(json.created_time)
            };
        }

        public static IEnumerable<FacebookPost> ParseFeed(dynamic json)
        {
            var list = json.data as List<dynamic>;
            return list.Select<dynamic, FacebookPost>(item => FacebookPost.FromJSON(item));
        }
        
        public static IEnumerable<FacebookPost> FetchFeed(string url, string accessToken)
        {
            var client = new FacebookClient(accessToken);
            var json = client.Get(url);
            return FacebookPost.ParseFeed(json);
        }
    }
}