private void Window_Closing_1(object sender, CancelEventArgs e)
{
cancellationSource.Cancel();
WebUtils.ReportStats((string)Application.Current.Properties["userName"],
(string)Application.Current.Properties["sessionGUID"],
tweets.Count,
tweets.Where(t => String.Equals(t.Status, STATUS_DELETED)).Count(),
tweets.Where(t => String.Equals(t.Status, STATUS_NOT_FOUND)).Count(),
tweets.Where(t => String.Equals(t.Status, STATUS_ERROR)).Count(),
tweets.Where(t => String.Equals(t.Status, STATUS_NOT_ALLOWED)).Count(),
false,
(int)sliderParallelConnections.Value,
filters,
(DateTime.Now - startTime).TotalSeconds);
if (!hitReturn)
{
Application.Current.Shutdown();
}
}
private void Window_Closing_1(object sender, CancelEventArgs e)
{
this.Hide();
globalCancellationSource.Cancel();
WebUtils.ReportStats(appSettings.Username,
appSettings.SessionId.ToString(),
appSettings.EraseType.ToString(),
mTweetsCollection.Count,
mTweetsCollection.Where(t => String.Equals(t.Status, STATUS_DELETED)).Count(),
mTweetsCollection.Where(t => String.Equals(t.Status, STATUS_NOT_FOUND)).Count(),
mTweetsCollection.Where(t => String.Equals(t.Status, STATUS_ERROR)).Count(),
mTweetsCollection.Where(t => String.Equals(t.Status, STATUS_NOT_ALLOWED)).Count(),
false,
(int)sliderParallelConnections.Value,
filters,
(DateTime.Now - startTime).TotalSeconds);
// if user didn't hit the return button, this is a legit exit
if (!hitReturn)
{
Environment.Exit(0);
}
}
void StartTwitterErase(int nbParallelConnections)
{
TwitterContext ctx = appSettings.Context;
//No need to synchronize here, no tasks were started yet.
nbTweetsToErase = mTweetsCollection.Where(t => t.ToErase == true && string.IsNullOrEmpty(t.Status) /* did not get deleted previously */).Count();
nbOutstandingOperations = nbTweetsToErase;
nextTweetID = 0;
#if !DEBUG_TEST
if (ctx == null)
{
MessageBox.Show("Error loading twitter authentication info; please try again", "Twitter Archive Eraser", MessageBoxButton.OK, MessageBoxImage.Error);
isCurrentlyErasing = false;
SetStoppedDeletionState();
return;
}
#endif
#if DEBUG_TEST
sleepFakeWaitMilliseconds = 1000;
#endif
Task[] tasks = new Task[nbParallelConnections];
for (int i = 0; i < nbParallelConnections; i++)
{
tasks[i] = Task.Factory.StartNew(() => EraseTweetsAction(ctx, globalCancellationSource.Token));
}
try
{
Task.WaitAll(tasks);
}
catch (Exception e)
{
nextTweetID = 0;
RunOnUIThread(delegate()
{
MessageBox.Show("Error: " + e.Message);
});
}
finally
{
SetStoppedDeletionState();
// This is called after all tasks are canceled, should renew cacelation token
globalCancellationSource = new CancellationTokenSource();
}
isCurrentlyErasing = false; // Done erasing
//termination condition
if (nbOutstandingOperations == 0) // nbTweetsDeleted >= (nbTweetsToErase - nbParallelConnections))
{
RunOnUIThread(delegate()
{
progressBar.Value = 100;
txtPrcnt.Text = "100%";
SetStoppedDeletionState();
nextTweetID = 0;
nbTweetsToErase = 0;
var lastTweet = mTweetsCollection.Where(t => !string.IsNullOrEmpty(t.Status)).LastOrDefault();
if (lastTweet != null)
{
gridTweets.BringItemIntoView(lastTweet);
}
appSettings.TotalRunningMillisec += runningTime.ElapsedMilliseconds;
string jsonTweets = JsonConvert.SerializeObject(notDeletedTweets);
File.WriteAllText(notDeletedTweetsFilename, jsonTweets);
if (MessageBox.Show(notDeletedTweets.Count + " tweets were not deleted!\n" +
"Do you want to retry deleting these tweets again?\n\n" +
"You can try deleting these tweets later by loading them in Twitter Archive Eraser from the following file:\n\n" +
notDeletedTweetsFilename + "\n\n" +
"Select 'Yes' to retry now, or 'No' to retry later",
"Twitter Archive Eraser",
MessageBoxButton.YesNo,
MessageBoxImage.Exclamation) == MessageBoxResult.Yes)
{
gridTweets.ItemsSource = null;
gridTweets.Items.Refresh();
tweetsCollectionView = null;
mTweetsCollection = new ObservableRangeCollection <Tweet>();
mTweetsCollection.AddRange(notDeletedTweets.Select(t => new Tweet()
{
Text = t.text,
ID = t.id_str,
Type = t.retweeted_status != null ? TweetType.Retweet : TweetType.Tweet,
Status = "",
ToErase = true,
Date = Helpers.ParseDateTime(t.created_at)
}));
areTweetsFetchedThroughAPI = true;
notDeletedTweets.Clear();
// We pass an empty list of jsFiles to reuse code from DeleteTweets_Loaded
// Nothing of clean code I know!
// Sometimes I have hard times sleeping because I know such things are released in the wild
appSettings.JsFiles = new List <JsFile>();
DeleteTweets_Loaded(null, null);
}
});
}
}
void StartTwitterErase(object nbParallelConnectionsObj)
{
int nbParallelConnections = (int)nbParallelConnectionsObj;
TwitterContext ctx = (TwitterContext)Application.Current.Properties["context"];
//No need to synchronize here, all tasks are (supposed?) not started yet.
nbTweetsToErase = tweets.Where(t => t.ToErase == true || !String.IsNullOrEmpty(t.Status)).Count();
#if !DEBUG
if (ctx == null)
{
MessageBox.Show("Error loading twitter authentication info; please try again");
isErasing = false;
EnableControls();
return;
}
#endif
#if DEBUG
sleepFakeWaitMilliseconds = 5000 / nbParallelConnections;
#endif
ParallelOptions options = new ParallelOptions();
options.MaxDegreeOfParallelism = nbParallelConnections;
cancellationSource = new CancellationTokenSource();
//options.CancellationToken = cancellationSource.Token;
//Action[] eraseActions = new Action[nbParallelConnections];
Task[] tasks = new Task[nbParallelConnections];
for (int i = 0; i < nbParallelConnections; i++)
{
//eraseActions[i] = () => EraseTweetsAction(ctx, cancellationSource.Token);
tasks[i] = Task.Factory.StartNew(() => EraseTweetsAction(ctx, cancellationSource.Token));
}
try
{
//Parallel.Invoke(options, eraseActions);
Task.WaitAll(tasks);
EnableControls();
}
catch (Exception e)
{
nextTweetID = 0;
}
if (nbTweetsDeleted >= (nbTweetsToErase - nbParallelConnections))
{
progressBar.Dispatcher.BeginInvoke(new Action(delegate()
{
progressBar.Value = 100;
txtPrcnt.Text = "100%";
EnableControls();
MessageBox.Show("Done! Everything is clean ;).\n", "Twitter Archive Eraser", MessageBoxButton.OK, MessageBoxImage.Information);
}));
}
}
