protected override void Execute(CodeActivityContext context)
{
service = new TwitterService(ConsumerKey.Get(context),
ConsumerSecret.Get(context),
AccessToken.Get(context),
AccessSecret.Get(context));
service.TraceEnabled = true;
using (var stream = new FileStream(MediaPath.Get(context), FileMode.Open, FileAccess.Read, FileShare.Read))
{
TwitterChunkedMedia uploadedMedia = InitialiseMediaUpload(service, stream);
UploadMediaChunks(service, stream, uploadedMedia);
FinializeMediaAndWaitForProcessing(service, uploadedMedia);
// Now send a tweet with the media attached
var twitterStatus = service.SendTweet(new SendTweetOptions()
{
Status = Message.Get(context),
MediaIds = new string[] { uploadedMedia.MediaId.ToString() }
});
//AssertResultWas(service, HttpStatusCode.OK);
//Assert.IsNotNull(twitterStatus);
// Capture Posted Tweet Id
TweetId.Set(context, twitterStatus.Id);
}
}
private static void FinializeMediaAndWaitForProcessing(TwitterService service, TwitterChunkedMedia uploadedMedia)
{
var result = service.UploadMediaFinalize(new UploadMediaFinalizeOptions()
{
MediaId = uploadedMedia.MediaId
});
var done = false;
while (!done)
{
//AssertResultWas(service, HttpStatusCode.OK);
if (result.ProcessingInfo.Error != null)
{
throw new InvalidOperationException(result.ProcessingInfo.Error.Code + " - " + result.ProcessingInfo.Error.Message);
}
var state = (result.ProcessingInfo?.State ?? TwitterMediaProcessingState.Succeeded);
done = state == TwitterMediaProcessingState.Succeeded || state == TwitterMediaProcessingState.Failed;
if (!done)
{
System.Threading.Thread.Sleep(Convert.ToInt32((result?.ProcessingInfo?.CheckAfterSeconds ?? 5) * 1000));
result = service.UploadMediaCheckStatus(new UploadMediaCheckStatusOptions()
{
MediaId = uploadedMedia.MediaId
});
}
}
}
private static void UploadMediaChunks(TwitterService service, FileStream stream, TwitterChunkedMedia uploadedMedia)
{
long chunkSize = 1024 * 512;
long index = 0;
byte[] buffer = new byte[chunkSize];
while (stream.Position < stream.Length)
{
int thisChunkSize = (int)Math.Min(stream.Length - stream.Position, chunkSize);
if (thisChunkSize != chunkSize)
{
buffer = new byte[thisChunkSize];
}
stream.Read(buffer, 0, thisChunkSize);
var ms = new System.IO.MemoryStream(buffer);
service.UploadMediaAppend(new UploadMediaAppendOptions
{
MediaId = uploadedMedia.MediaId,
SegmentIndex = index,
Media = new MediaFile()
{
//FileName = "test_video.mp4",
Content = ms
}
});
//AssertResultWas(service, HttpStatusCode.NoContent);
index++;
}
}
