public void UnlikeComment(FacebookComment comment)
{
dynamic parameters = new ExpandoObject();
facebookClient.Delete("/" + comment.Id + "/likes", parameters);
UpdateNewsFeed();
}
void backgroundWorkerNewsFeed_DoWork(object sender, DoWorkEventArgs e)
{
try
{
if (e != null)
{
if (e.Cancel)
{
return;
}
}
dynamic parameters = new ExpandoObject();
if (!IsInitialFetch && LastUpdate != null)
{
// danach kamen keine Updates mehr durch :(
// parameters.since = GetUnixTimestamp(LastUpdate).ToString();
}
string[] feeds = { "home", "feed" };
foreach (string feedName in feeds)
{
dynamic result = facebookClient.Get("/me/" + feedName, parameters); // Home
if (result != null)
{
foreach (dynamic post in result.data)
{
if (e != null)
{
if (e.Cancel)
{
return;
}
}
FacebookItem item = FacebookItem.ConvertResponseToItem(post, this);
if (item == null)
{
AppController.Current.Logger.writeToLogfile("Null item in facebook retrieval");
continue;
}
FacebookItem ExistingItem = null;
try
{
switch (item.MessageType)
{
case FacebookItem.MessageTypes.Link:
if (Links.Where(oldItem => oldItem.fullId == item.fullId).Count() > 0)
{
ExistingItem = Links.Where(oldItem => oldItem.fullId == item.fullId).First();
}
break;
case FacebookItem.MessageTypes.Video:
if (Videos.Where(oldItem => oldItem.fullId == item.fullId).Count() > 0)
{
ExistingItem = Videos.Where(oldItem => oldItem.fullId == item.fullId).First();
}
break;
case FacebookItem.MessageTypes.Photo:
if (Photos.Where(oldItem => oldItem.fullId == item.fullId).Count() > 0)
{
ExistingItem = Photos.Where(oldItem => oldItem.fullId == item.fullId).First();
}
break;
case FacebookItem.MessageTypes.Note:
if (Notes.Where(oldItem => oldItem.fullId == item.fullId).Count() > 0)
{
ExistingItem = Notes.Where(oldItem => oldItem.fullId == item.fullId).First();
}
break;
case FacebookItem.MessageTypes.Event:
if (Events.Where(oldItem => oldItem.fullId == item.fullId).Count() > 0)
{
ExistingItem = Events.Where(oldItem => oldItem.fullId == item.fullId).First();
}
break;
case FacebookItem.MessageTypes.CheckIn:
if (CheckIns.Where(oldItem => oldItem.fullId == item.fullId).Count() > 0)
{
ExistingItem = CheckIns.Where(oldItem => oldItem.fullId == item.fullId).First();
}
break;
default:
if (StatusMessages.Where(oldItem => oldItem.fullId == item.fullId).Count() > 0)
{
ExistingItem = StatusMessages.Where(oldItem => oldItem.fullId == item.fullId).First();
}
break;
}
}
catch
{
ExistingItem = null;
}
if (ExistingItem == null)
{
try
{
dynamic comments = facebookClient.Get("/" + item.fullId + "/comments", parameters);
item.Comments.Clear();
if (comments != null)
{
if (comments.data != null)
{
AppController.Current.Logger.writeToLogfile("Facebook item has comments/data");
foreach (dynamic fbcomment in comments.data)
{
AppController.Current.Logger.writeToLogfile("Reading comment");
FacebookComment comment = new FacebookComment(fbcomment);
comment.Account = item.Account;
if (comment.User.Id == this.Id.ToString())
{
item.isCommented = true;
}
item.Comments.Add(comment);
}
}
}
}
catch { }
item.ReceivingAccount = this;
backgroundWorkerNewsFeed.ReportProgress(100, item);
continue;
}
else
{
if (item.LikesCount != ExistingItem.LikesCount)
{
item.HasUpdatedLikes = true;
}
List <FacebookComment> updatedComments = new List <FacebookComment>();
foreach (FacebookComment comment in item.Comments)
{
if (e != null)
{
if (e.Cancel)
{
return;
}
}
if (ExistingItem.Comments.Where(c => c.Text == comment.Text && c.User.Id == comment.User.Id).Count() == 0)
{
updatedComments.Add(comment);
}
}
if (updatedComments.Count > 0)
{
item.HasUpdatedComments = true;
item.Comments.Clear();
foreach (FacebookComment comment in updatedComments)
{
item.Comments.Add(comment);
}
}
if (item.HasUpdatedComments || item.HasUpdatedLikes)
{
item.ReceivingAccount = this;
backgroundWorkerNewsFeed.ReportProgress(100, item);
}
else
{
item = null;
}
}
}
}
}
}
catch (FacebookOAuthException oauthExp)
{
AppController.Current.Logger.writeToLogfile(oauthExp);
}
catch (Exception exp)
{
AppController.Current.Logger.writeToLogfile(exp);;
}
}
public static FacebookItem ConvertResponseToItem(dynamic post, AccountFacebook ReceivingAccount)
{
try
{
FacebookItem item = new FacebookItem();
item.Account = ReceivingAccount;
item.fullId = post.id as string;
string[] ids = item.fullId.Split(new Char[] { '_' }, StringSplitOptions.RemoveEmptyEntries);
if (ids.Length < 2)
{
return(null);
}
try
{
item.Id = Convert.ToDecimal(ids[1]);
}
catch
{
return(null);
}
#region Messagetypes
if (post.type != null)
{
string postType = post.type;
switch (postType)
{
case "photo":
item.MessageType = MessageTypes.Photo;
break;
case "link":
item.MessageType = MessageTypes.Link;
break;
case "event":
item.MessageType = MessageTypes.Event;
break;
case "checkin":
item.MessageType = MessageTypes.CheckIn;
break;
case "status":
item.MessageType = MessageTypes.StatusMessage;
break;
case "video":
item.MessageType = MessageTypes.Video;
break;
case "note":
item.MessageType = MessageTypes.Note;
break;
}
}
#endregion
item.To.FullName = null;
if (post.to != null)
{
if (post.to.data != null)
{
foreach (dynamic receiver in post.to.data)
{
item.To = FacebookUser.CreateFromDynamic(receiver, ReceivingAccount);
item.To.ReceivingAccount = ReceivingAccount;
// only one receiver for now - should be a collection later on of course
break;
}
}
}
DateTime createdDate;
DateTime.TryParse(post.created_time as string, out createdDate);
item.CreatedAt = createdDate;
DateTime updatedDate;
DateTime.TryParse(post.updated_time as string, out updatedDate);
item.UpdatedAt = updatedDate;
//item.User.Id = post.from.id;
//item.User.FullName = post.from.name;
item.User = FacebookUser.CreateFromDynamic(post.from, item.Account);
if (item.User == null)
{
AppController.Current.Logger.writeToLogfile("Null user on item retrieval");
return(null);
}
if (post.comments != null)
{
AppController.Current.Logger.writeToLogfile("Facebook item has comments");
if (post.comments.data != null)
{
AppController.Current.Logger.writeToLogfile("Facebook item has comments/data");
foreach (dynamic fbcomment in post.comments.data)
{
AppController.Current.Logger.writeToLogfile("Reading comment");
FacebookComment comment = new FacebookComment(fbcomment);
comment.Account = item.Account;
if (comment.Id == ReceivingAccount.Id.ToString())
{
item.isCommented = true;
}
item.Comments.Add(comment);
}
}
}
if (post.application != null)
{
item.Application.Name = post.application.name;
item.Application.Link = post.application.link;
item.Application.Id = post.application.id;
}
if (post.likes != null)
{
if (post.likes.count != null)
{
item.LikesCount = Convert.ToInt32(post.likes.count);
}
if (post.likes.data != null)
{
AppController.Current.Logger.writeToLogfile("Facebook item has likes/data");
foreach (dynamic fbLike in post.likes.data)
{
AppController.Current.Logger.writeToLogfile("Reading like");
FacebookUser user = FacebookUser.CreateFromDynamic(fbLike, item.Account);
user.ReceivingAccount = item.Account;
if (user != null)
{
item.Likes.Add(user);
if (user.FullName == item.Account.FullName)
{
item.isLiked = true;
}
}
}
}
}
if (post.picture != null)
{
FacebookPicture picture = new FacebookPicture();
picture.ThumbnailPath = post.picture;
picture.Link = post.link;
picture.Caption = post.caption;
item.Picture = picture.ThumbnailPath;
item.PictureLink = picture.Link;
item.Images.Add(picture);
}
item.Description = post.description;
item.Message = post.message;
item.Name = post.name;
item.Caption = post.caption;
item.Link = post.link;
// ganz zum Schluss, das in der Textbox auf diese Aenderung getriggert wird
item.Text = item.Message;
return(item);
}
catch (Exception exp)
{
AppController.Current.Logger.writeToLogfile(exp);
return(null);
}
}
