public static TweetCollection GetTimeline(string userName, int num, Hashtable properties)
{
//recommended properties: include_rts=true
string rUrl = "https://api.twitter.com/1/statuses/user_timeline.xml?screen_name=" + userName + "&count=" + num;
foreach (DictionaryEntry property in properties)
{
rUrl += "&" + property.Key + "=" + property.Value;
}
XmlDocument rDoc = new XmlDocument();
rDoc.LoadXml(Twitter.ExecuteRequest(rUrl));
XmlNode root = rDoc.DocumentElement;
XmlNodeList nodeList = root.SelectNodes("status");
TweetCollection twColl = new TweetCollection();
foreach (XmlNode node in nodeList)
{
try
{
if (node.SelectSingleNode("retweeted_status") == null)
{
twColl.Add(new Tweet(node.SelectSingleNode("user/screen_name").InnerText, node.SelectSingleNode("user/id").InnerText, node.SelectSingleNode("user/profile_image_url").InnerText, node.SelectSingleNode("text").InnerText));
}
else if (node.SelectSingleNode("retweeted_status") != null)
{
twColl.Add(new Tweet(node.SelectSingleNode("retweeted_status/user/screen_name").InnerText, node.SelectSingleNode("retweeted_status/user/id").InnerText, node.SelectSingleNode("retweeted_status/user/profile_image_url").InnerText, node.SelectSingleNode("retweeted_status/text").InnerText));
}
}
catch (Exception e)
{
throw new Exception("Failed to retrieve timeline.", e);
}
}
return twColl;
}
public TweetCollection GetTweets()
{
TweetCollection tweets = new TweetCollection();
Tweet tweet = new Tweet();
if (twitter == null)
{
tweet.Text = "Please setup your user/password and url in the connection settings.";
tweets.Add(tweet);
return(tweets);
}
try
{
//if (_lastId == null)
tweets = twitter.GetFriendsTimeline();
/*else
* tweets = twitter.GetFriendsTimeline(_lastId.ToString());
* if (tweets != null && tweets.Count > 0)
* {
* _lastId = String.Format("{0:0}", tweets[0].Id);
* }
* else
* {
* tweet.Text = "sent " + _lastId;
* tweets.Add(tweet);
* }*/
return(tweets);
}
catch (System.Net.WebException we)
{
twitter.TwitterServerUrl = twitter.TwitterServerUrl.Replace("https://", "http://");
try
{
return(twitter.GetFriendsTimeline());
}
catch (Exception err)
{
tweet.Text = err.Message;
tweets.Add(tweet);
return(tweets);
}
}
catch (Exception err)
{
tweet.Text = err.Message;
tweets.Add(tweet);
return(tweets);
}
}
public void Tweet_added_to_collection_unsorted()
{
TweetCollection tweets = new TweetCollection(SortOrder.None);
Tweet tweet1 = new Tweet() { DateCreated = DateTime.Now, Id = 1 };
Tweet tweet2 = new Tweet() { DateCreated = tweet1.DateCreated.Value.Subtract(TimeSpan.FromMinutes(5)), Id = 2 };
Tweet tweet3 = new Tweet() { DateCreated = tweet1.DateCreated.Value.Subtract(TimeSpan.FromMinutes(2)), Id = 2 };
tweets.Add(tweet1);
tweets.Add(tweet2);
tweets.Add(tweet3);
Assert.That(tweets[0], Is.EqualTo(tweet1));
Assert.That(tweets[1], Is.EqualTo(tweet2));
Assert.That(tweets[2], Is.EqualTo(tweet3));
}
public TweetCollection GetTweets()
{
TweetCollection tweets = new TweetCollection();
Tweet tweet = new Tweet();
if (twitter == null)
{
tweet.Text = "Please setup your user/password and url in the connection settings.";
tweets.Add(tweet);
return tweets;
}
try
{
//if (_lastId == null)
tweets = twitter.GetFriendsTimeline();
/*else
tweets = twitter.GetFriendsTimeline(_lastId.ToString());
if (tweets != null && tweets.Count > 0)
{
_lastId = String.Format("{0:0}", tweets[0].Id);
}
else
{
tweet.Text = "sent " + _lastId;
tweets.Add(tweet);
}*/
return tweets;
}
catch (System.Net.WebException we)
{
twitter.TwitterServerUrl = twitter.TwitterServerUrl.Replace("https://","http://");
try
{
return twitter.GetFriendsTimeline();
}
catch (Exception err)
{
tweet.Text = err.Message;
tweets.Add(tweet);
return tweets;
}
}
catch (Exception err)
{
tweet.Text = err.Message;
tweets.Add(tweet);
return tweets;
}
}
private void ProcessTweetMessages(object obj, DownloadStringCompletedEventArgs args)
{
try
{
System.Diagnostics.Debug.WriteLine(args.Result);
StockTwits_Stream_Symbol s = JsonConvert.DeserializeObject <StockTwits_Stream_Symbol>(args.Result);
Cursor = s.cursor;
foreach (StockTwits_Message m in s.messages)
{
TweetCollection.Add(new TweetItemViewModel()
{
Author = m.user.name + " (" + m.user.username + ")", Content = m.body, PubDate = m.created_at
});
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
System.Diagnostics.Debug.WriteLine(ex.Source);
System.Diagnostics.Debug.WriteLine(ex.StackTrace);
}
if (ProgressBar != null)
{
ProgressBar.IsVisible = false;
}
this.IsDataLoaded = true;
}
public TweetCollection GetSearchResults(string searchText, IWebProxy webProxy)
{
TweetCollection tweets = new TweetCollection();
string tweetscanUrl = "http://tweetscan.com/trss.php?s=" + searchText;
HttpWebRequest request = WebRequest.Create(tweetscanUrl) as HttpWebRequest;
// Add configured web proxy
request.Proxy = webProxy;
//try
//{
// Get the Web Response
using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
// Get the response stream
StreamReader reader = new StreamReader(response.GetResponseStream());
// Load the response data into a XmlDocument
XmlDocument doc = new XmlDocument();
doc.Load(reader);
// Get statuses with XPath
XmlNodeList nodes = doc.SelectNodes("/rss/channel/item");
foreach (XmlNode node in nodes)
{
Tweet tweet = new Tweet();
tweet.Id = double.Parse(node.SelectSingleNode("tweetid").InnerText);
tweet.Text = HttpUtility.HtmlDecode(node.SelectSingleNode("text").InnerText);
string dateString = node.SelectSingleNode("pubdate").InnerText;
if (!string.IsNullOrEmpty(dateString))
{
tweet.DateCreated = DateTime.Parse(dateString);
}
User user = new User();
user.Name = node.SelectSingleNode("username").InnerText;
user.ScreenName = node.SelectSingleNode("screenname").InnerText;
user.ImageUrl = node.SelectSingleNode("image").InnerText;
tweet.User = user;
tweets.Add(tweet);
}
tweets.SaveToDisk();
}
//}
//catch {
////TODO: not sure what kind of errors are thrown by tweetcan
// // eat it.
//}
return(tweets);
}
public TweetCollection GetSearchResults(string searchText, IWebProxy webProxy)
{
TweetCollection tweets = new TweetCollection();
string tweetscanUrl = "http://tweetscan.com/trss.php?s=" + searchText;
HttpWebRequest request = WebRequest.Create(tweetscanUrl) as HttpWebRequest;
// Add configured web proxy
request.Proxy = webProxy;
//try
//{
// Get the Web Response
using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
// Get the response stream
StreamReader reader = new StreamReader(response.GetResponseStream());
// Load the response data into a XmlDocument
XmlDocument doc = new XmlDocument();
doc.Load(reader);
// Get statuses with XPath
XmlNodeList nodes = doc.SelectNodes("/rss/channel/item");
foreach (XmlNode node in nodes)
{
Tweet tweet = new Tweet();
tweet.Id = double.Parse(node.SelectSingleNode("tweetid").InnerText);
tweet.Text = HttpUtility.HtmlDecode(node.SelectSingleNode("text").InnerText);
string dateString = node.SelectSingleNode("pubdate").InnerText;
if (!string.IsNullOrEmpty(dateString))
{
tweet.DateCreated = DateTime.Parse(dateString);
}
User user = new User();
user.Name = node.SelectSingleNode("username").InnerText;
user.ScreenName = node.SelectSingleNode("screenname").InnerText;
user.ImageUrl = node.SelectSingleNode("image").InnerText;
tweet.User = user;
tweets.Add(tweet);
}
tweets.SaveToDisk();
}
//}
//catch {
////TODO: not sure what kind of errors are thrown by tweetcan
// // eat it.
//}
return tweets;
}
public void Tweet_added_to_empty_collection_succeeds()
{
TweetCollection tweets = new TweetCollection();
Tweet tweet = new Tweet() { DateCreated = DateTime.Now, Id = 1 };
tweets.Add(tweet);
Assert.That(tweets.Contains(tweet));
Assert.That(tweets.Count == 1);
}
private void Button_Click(object sender, RoutedEventArgs e)
{
TweetScanHelper ts = new TweetScanHelper();
TweetCollection searchREsults = ts.GetSearchResults(SearchTextBox.Text);
foreach (Tweet t in searchREsults)
{
tweets.Add(t);
}
}
public void Tweet_added_to_empty_collection_succeeds()
{
TweetCollection tweets = new TweetCollection();
Tweet tweet = new Tweet()
{
DateCreated = DateTime.Now, Id = 1
};
tweets.Add(tweet);
Assert.That(tweets.Contains(tweet));
Assert.That(tweets.Count == 1);
}
public void Tweet_added_to_collection_in_sorted_order_with_ascending_sort()
{
TweetCollection tweets = new TweetCollection(SortOrder.Ascending);
Tweet tweet1 = new Tweet()
{
DateCreated = DateTime.Now, Id = 1
};
Tweet tweet2 = new Tweet()
{
DateCreated = tweet1.DateCreated.Value.Subtract(TimeSpan.FromMinutes(5)), Id = 2
};
Tweet tweet3 = new Tweet()
{
DateCreated = tweet1.DateCreated.Value.Subtract(TimeSpan.FromMinutes(2)), Id = 2
};
tweets.Add(tweet1);
tweets.Add(tweet2);
tweets.Add(tweet3);
Assert.That(tweets[0], Is.EqualTo(tweet2));
Assert.That(tweets[1], Is.EqualTo(tweet3));
Assert.That(tweets[2], Is.EqualTo(tweet1));
}
public void ShowGetTweetDialog()
{
int count;
string screenName;
var settings = new MetroDialogSettings()
{
AnimateHide = true,
AnimateShow = true
};
var dlg = new GetTweetDialog();
dlg.OKButton.Click += async(s, e) =>
{
count = Convert.ToInt32(dlg.CountBox.Value);
screenName = dlg.ScreenNameBox.Text;
if (!string.IsNullOrWhiteSpace(screenName))
{
dynamic json = await twitterAuth.GetJson($"https://api.twitter.com/1.1/statuses/user_timeline.json?screen_name={screenName}&count={count}", "GET");
if (json == null)
{
return;
}
collection.Clear();
RetweetCountBlock.Text = "Unselected";
TweetListView.SelectedItem = null;
foreach (var obj in json)
{
Tweet t = new Tweet(obj);
collection.Add(t);
}
if (TweetListView.Items.Count > 0)
{
TweetListView.ScrollIntoView(TweetListView.Items[0]);
}
}
await this.HideMetroDialogAsync(dlg, settings);
};
dlg.CancelButton.Click += (s, e) =>
{
this.HideMetroDialogAsync(dlg, settings);
};
DialogManager.ShowMetroDialogAsync(this, dlg, settings);
}
public TweetCollection FetchByScreenName(string screenName, int max)
{
Logger.Log("FetchByScreenName: " + screenName, System.Diagnostics.TraceEventType.Information);
var collection = new TweetCollection();
collection.Add(new Tweet()
{
TweetID = 1,
LocationText = "Milwaukee, WI",
ProfileImageUrl = String.Empty,
ScreenName = screenName,
TweetText = "First tweet!",
TweetCreated = DateTime.Now.AddMinutes(-10)
});
collection.Add(new Tweet()
{
TweetID = 1,
LocationText = "Milwaukee, WI",
ProfileImageUrl = String.Empty,
ScreenName = screenName,
TweetText = "Second tweet!",
TweetCreated = DateTime.Now.AddMinutes(-5)
});
return collection;
}
private void PopUpNotify(TweetCollection newTweets)
{
TweetCollection popUpTweets = new TweetCollection();
foreach (var tweet in newTweets)
{
if (ShouldPopUp(tweet))
popUpTweets.Add(tweet);
}
if (popUpTweets.Count > Double.Parse(AppSettings.MaximumIndividualAlerts))
{
Popup p = new Popup("New Tweets", BuiltNewTweetMessage(popUpTweets), twitter.CurrentlyLoggedInUser.ImageUrl, 0);
SetupPopupProps(p);
p.Show();
}
else
{
int index = 0;
foreach (Tweet tweet in popUpTweets)
{
Popup p = new Popup(tweet, index++);
SetupPopupProps(p);
p.Show();
}
}
}
/// <summary>
/// The Main function for interfacing with the Twitter API
/// </summary>
/// <returns>Collection of Tweets. Twitter limits the max to 20.</returns>
private TweetCollection RetrieveTimeline(Timeline timeline, string since, string userId)
{
TweetCollection tweets = new TweetCollection();
string timelineUrl;
switch (timeline)
{
case Timeline.Public:
timelineUrl = PublicTimelineUrl;
break;
case Timeline.Friends:
timelineUrl = FriendsTimelineUrl;
break;
case Timeline.User:
timelineUrl = UserTimelineUrl;
break;
case Timeline.Replies:
timelineUrl = RepliesTimelineUrl;
break;
default:
timelineUrl = PublicTimelineUrl;
break;
}
if (!string.IsNullOrEmpty(userId))
timelineUrl += "/" + userId + Format;
else
timelineUrl += Format;
if (!string.IsNullOrEmpty(since))
{
DateTime sinceDate;
DateTime.TryParse(since, out sinceDate);
// Go back a minute to compensate for latency.
sinceDate = sinceDate.AddMinutes(-1);
string sinceDateString = sinceDate.ToString(twitterSinceDateFormat);
timelineUrl = timelineUrl + "?since=" + sinceDateString;
}
// Create the web request
HttpWebRequest request = CreateTwitterRequest(timelineUrl);
// moved this out of the try catch to use it later on in the XMLException
// trying to fix a bug someone report
XmlDocument doc = new XmlDocument();
try
{
// Get the Web Response
using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
// Get the response stream
StreamReader reader = new StreamReader(response.GetResponseStream());
// Load the response data into a XmlDocument
doc.Load(reader);
// Get statuses with XPath
XmlNodeList nodes = doc.SelectNodes("/statuses/status");
foreach (XmlNode node in nodes)
{
Tweet tweet = new Tweet();
tweet.Id = double.Parse(node.SelectSingleNode("id").InnerText);
tweet.Text = HttpUtility.HtmlDecode(node.SelectSingleNode("text").InnerText);
string source = HttpUtility.HtmlDecode(node.SelectSingleNode("source").InnerText);
if (!string.IsNullOrEmpty(source))
tweet.Source = Regex.Replace(source, @"<(.|\n)*?>", string.Empty);
string dateString = node.SelectSingleNode("created_at").InnerText;
if (!string.IsNullOrEmpty(dateString))
{
tweet.DateCreated = DateTime.ParseExact(
dateString,
twitterCreatedAtDateFormat,
CultureInfo.GetCultureInfoByIetfLanguageTag("en-us"), DateTimeStyles.AllowWhiteSpaces);
}
string replyTo = HttpUtility.HtmlDecode(node.SelectSingleNode("in_reply_to_status_id").InnerText);
if (!string.IsNullOrEmpty(replyTo))
{
tweet.InReplyTo = double.Parse(HttpUtility.HtmlDecode(node.SelectSingleNode("in_reply_to_status_id").InnerText));
}
XmlNode userNode = node.SelectSingleNode("user");
User user = CreateUser(userNode);
tweet.User = user;
tweet.Timeline = timeline;
tweet.IsReply = IsReplyTweet(this.CurrentlyLoggedInUser.ScreenName, tweet);
tweets.Add(tweet);
}
tweets.SaveToDisk();
}
}
catch (XmlException exXML)
{
// adding the XML document data to the exception so it will get logged
// so we can debug the issue
exXML.Data.Add("XMLDoc", doc);
throw;
}
catch (WebException webExcp)
{
ParseWebException(webExcp, timeline, userId);
}
return tweets;
}
public TweetCollection GetConversation(double id)
{
TweetCollection tweets = new TweetCollection();
Tweet tweet = RetrieveTweet(id);
while (tweet.InReplyTo != null)
{
tweets.Add(tweet);
id = (double)tweet.InReplyTo;
tweet = RetrieveTweet(id);
}
tweets.Add(tweet);
return tweets;
}
private void UpdateRepliesInterface(TweetCollection newReplies)
{
repliesLastUpdated = DateTime.Now;
StatusTextBlock.Text = "Replies Updated: " + repliesLastUpdated.ToLongTimeString();
UpdateExistingTweets(replies);
TweetCollection addedReplies = new TweetCollection();
for (int i = newReplies.Count - 1; i >= 0; i--)
{
Tweet reply = newReplies[i];
if (!replies.Contains(reply))
{
replies.Insert(0, reply);
reply.Index = replies.Count;
reply.IsNew = true;
addedReplies.Add(reply);
}
}
if (addedReplies.Count > 0)
{
if (AppSettings.DisplayNotifications && !(bool)this.IsActive)
NotifyOnNewTweets(addedReplies, "reply");
if (AppSettings.PlaySounds)
{
// Author: Keith Elder
// I wrapped a try catch around this and added logging.
// I found that the Popup screen and this were causing
// a threading issue. At least that is my theory. When
// new items would come in, and play a sound as well as
// pop a new message there was no need to recreate and load
// the wave file. InitializeSoundPlayer() was added on load
// to do that just once.
try
{
// Play tweets found sound for new tweets
_player.Play();
}
catch (Exception ex)
{
App.Logger.Error("Error playing sound", ex);
}
}
}
StopStoryboard("Fetching");
}
private void GetUserTimeline(string userId)
{
try
{
// Schedule the update function in the UI thread.
LayoutRoot.Dispatcher.BeginInvoke(
DispatcherPriority.Background,
new OneArgDelegate(UpdateUsersTimelineInterface), twitter.GetUserTimeline(userId));
}
// Jason Follas: Added the following UI feedback behavior for when users weren't found.
catch (UserNotFoundException userNotFoundEx)
{
TweetCollection fakeTweets = new TweetCollection();
fakeTweets.Add(new Tweet());
fakeTweets[0].Id = -1;
fakeTweets[0].Text = userNotFoundEx.Message;
fakeTweets[0].Source = "Witty Error Handler";
fakeTweets[0].User = new User();
fakeTweets[0].User.ScreenName = "@" + userNotFoundEx.UserId;
fakeTweets[0].User.Description = userNotFoundEx.Message;
StopStoryboard("Fetching");
this.UserContextMenu.IsEnabled = false;
UpdateUsersTimelineInterface(fakeTweets);
}
catch (System.Security.SecurityException ex)
{
App.Logger.DebugFormat("User not allowed to get protected tweets from {0}. Exception details: {1}", userId, ex.ToString());
StatusTextBlock.Text = userId + "'s updates are protected.";
StopStoryboard("Fetching");
}
catch (WebException ex)
{
App.Logger.DebugFormat("There was a problem fetching the user's timeline from Twitter.com: {0}", ex.ToString());
}
catch (ProxyAuthenticationRequiredException ex)
{
App.Logger.Error("Incorrect proxy configuration.");
MessageBox.Show("Proxy server is configured incorrectly. Please correct the settings on the Options menu.");
}
catch (ProxyNotFoundException ex)
{
App.Logger.Error("Incorrect proxy configuration.");
MessageBox.Show(ex.Message);
}
}
private void UpdateUserInterface(TweetCollection newTweets)
{
DateTime lastUpdated = DateTime.Now;
StatusTextBlock.Text = "Last Updated: " + lastUpdated.ToLongTimeString();
AppSettings.LastUpdated = lastUpdated.ToString();
AppSettings.Save();
FilterTweets(newTweets, true);
HighlightTweets(newTweets);
UpdateExistingTweets();
TweetCollection addedTweets = new TweetCollection();
//prevents huge number of notifications appearing on startup
bool displayPopups = !(tweets.Count == 0);
// Add the new tweets
for (int i = newTweets.Count - 1; i >= 0; i--)
{
Tweet tweet = newTweets[i];
if (tweets.Contains(tweet) || HasBehavior(tweet, UserBehavior.Ignore) || IsTruncatedTweet(tweet))
continue;
tweets.Add(tweet);
tweet.Index = tweets.Count;
tweet.IsNew = true;
addedTweets.Add(tweet);
}
// tweets listbox ScrollViewer.CanContentScroll is set to "False", which means it scrolls more smooth,
// However it disables Virtualization
// Remove tweets pass 100 should improve performance reasons.
if (AppSettings.KeepLatest != 0)
{
if (tweets.Count > AppSettings.KeepLatest)
lastTruncatedTweetTime = tweets[AppSettings.KeepLatest - 1].DateCreated;
tweets.TruncateAfter(AppSettings.KeepLatest);
}
if (addedTweets.Count > 0)
{
if (AppSettings.DisplayNotifications && !(bool)this.IsActive)
NotifyOnNewTweets(addedTweets, "tweet");
if (AppSettings.PlaySounds)
{
// Author: Keith Elder
// I wrapped a try catch around this and added logging.
// I found that the Popup screen and this were causing
// a threading issue. At least that is my theory. When
// new items would come in, and play a sound as well as
// pop a new message there was no need to recreate and load
// the wave file. InitializeSoundPlayer() was added on load
// to do that just once.
try
{
// Play tweets found sound for new tweets
_player.Play();
}
catch (Exception ex)
{
App.Logger.Error("Error playing sound", ex);
}
}
}
StopStoryboard("Fetching");
}
/// <summary>
/// The Main function for interfacing with the Twitter API
/// </summary>
/// <returns>Collection of Tweets. Twitter limits the max to 20.</returns>
private TweetCollection RetrieveTimeline(Timeline timeline, string since, string userId)
{
if (!IsLoggedIn()) return null;
var tweets = new TweetCollection();
ITwitterLeafNode request;
switch (timeline)
{
case Timeline.Public:
request = CreateRequest().Statuses().OnPublicTimeline();
break;
case Timeline.Friends:
request = CreateRequest().Statuses().OnFriendsTimeline();
break;
case Timeline.User:
request = CreateRequest().Statuses().OnUserTimeline().For(userId);
break;
case Timeline.Replies:
request = CreateRequest().Statuses().Mentions();
break;
default:
request = CreateRequest().Statuses().OnPublicTimeline();
break;
}
if (!string.IsNullOrEmpty(since))
{
DateTime sinceDate;
DateTime.TryParse(since, out sinceDate);
// Go back a minute to compensate for latency.
sinceDate = sinceDate.AddMinutes(-1);
//TODO: Need to make use of since information
}
foreach (TwitterStatus result in request.Request().AsStatuses())
{
tweets.Add(GetTweetFromTwitterStatus(result));
}
tweets.SaveToDisk();
return tweets;
}
private void AddTweet(string tweetText)
{
try
{
//bgriswold: Keeping check in place in case final character string is URL and it wasn't reformatted on the fly.
if (tweetText.Length > TwitterNet.CharacterLimit)
{
ParseTextHereAndTinyUpAnyURLsFound(ref tweetText);
}
var addedTweets = new TweetCollection();
string[] statuses = TweetSplitter.SplitTweet(tweetText);
foreach (string status in statuses)
{
if (isReplyMessage)
{
addedTweets.Add(twitter.AddTweet(status, SelectedTweet.Id));
}
else
{
addedTweets.Add(twitter.AddTweet(status));
}
}
if (statuses.Length > 0)
{
ScheduleUpdateFunctionInUIThread(addedTweets);
}
}
catch (WebException ex)
{
UpdateTextBlock.Text = "Update failed.";
App.Logger.Debug(String.Format("There was a problem fetching new tweets from Twitter.com: {0}", ex.ToString()));
}
catch (ProxyAuthenticationRequiredException ex)
{
App.Logger.Error("Incorrect proxy configuration.");
MessageBox.Show("Proxy server is configured incorrectly. Please correct the settings on the Options menu.");
}
catch (ProxyNotFoundException ex)
{
App.Logger.Error("Incorrect proxy configuration.");
MessageBox.Show(ex.Message);
}
}
