/// <summary>
/// Parses the connection file for getting access to twitter.
/// </summary>
protected override void ProcessRecord()
{
try
{
// Connect and authenticate
var connection = TwitterConnection.Create(ConnectionFile);
var service = connection.Service;
// Search twitter using await and IAsyncResult from the twitter API
var searchOptions = new SearchOptions();
searchOptions.Q = Query;
searchOptions.Count = Limit;
var statuses = new BlockingCollection <Tweet>(searchOptions.Count.Value);
Task.Factory.FromAsync(service.Search(searchOptions, (tweets, response) =>
{
switch (response.StatusCode)
{
case HttpStatusCode.OK:
break;
default:
// TODO: Delegate Exception back to the pipeline thread
if (null != response.Error)
{
throw new WebException(response.Error.Message);
}
throw new WebException(@"Querying Twitter failed!");
}
// Add the tweets
foreach (var status in tweets.Statuses)
{
statuses.Add(Tweet.Create(status));
}
}), (result) =>
{
// TODO: End action
}).Wait();
// Write the tweets to the pipeline
WriteObject(statuses, true);
}
catch (Exception ex)
{
WriteError(new ErrorRecord(ex, TwitterErrors.TwitterConnectionError.ToString(), ErrorCategory.ConnectionError, ConnectionFile));
}
}
protected override void ProcessRecord()
{
try
{
// Connect and authenticate
var connection = TwitterConnection.Create(ConnectionFile);
var service = connection.Service;
// Search twitter using await and IAsyncResult from the twitter API
var errors = new BlockingCollection <TwitterError>();
var statuses = new BlockingCollection <Tweet>();
var resetEvent = new ManualResetEvent(false);
Task.Factory.FromAsync(service.StreamFilterAndTrack(Track, (artifact, response) =>
{
// TODO: There is always HTTP 0 returned!
if (null == response.Error)
{
response.StatusCode = HttpStatusCode.OK;
}
switch (response.StatusCode)
{
case HttpStatusCode.OK:
break;
default:
if (null != response.Error)
{
errors.Add(response.Error);
}
else
{
errors.Add(new TwitterError {
Message = @"Streaming Twitter failed!"
});
}
// Activate the event
resetEvent.Set();
return;
}
// Add the tweet
var streamStatus = artifact as TwitterUserStreamStatus;
if (null != streamStatus)
{
var status = streamStatus.Status;
statuses.Add(Tweet.Create(status));
}
}), (response) =>
{
// TODO: End action
});
// Wait for the event
resetEvent.WaitOne(WaitTime);
service.CancelStreaming();
// Write the tweets to the pipeline
WriteObject(statuses, true);
// Check the errors
if (errors.Any())
{
WriteObject(errors, true);
}
}
catch (Exception ex)
{
WriteError(new ErrorRecord(ex, TwitterErrors.TwitterConnectionError.ToString(), ErrorCategory.ConnectionError, ConnectionFile));
}
}
