public static async Task <IApiResult <TwitterUploadedMedia> > UploadLargeMediaAsync(
[NotNull] this IApiAccessor accessor, [NotNull] byte[] media, [NotNull] string mimeType,
[CanBeNull] long[] additionalOwners, int?chunkSize, [CanBeNull] IProgress <int> sentBytesCallback,
CancellationToken cancellationToken)
{
if (accessor == null)
{
throw new ArgumentNullException(nameof(accessor));
}
if (media == null)
{
throw new ArgumentNullException(nameof(media));
}
if (mimeType == null)
{
throw new ArgumentNullException(nameof(mimeType));
}
var mediaType = MediaFileUtility.GetMediaType(media);
// maximum video size is 15MB (maximum image is 5MB)
if (media.Length > 15 * 1024 * 1024)
{
throw new ArgumentOutOfRangeException(nameof(media), "media file must be smaller than 5MB.");
}
// check the bit array could be chunked
var csize = chunkSize ?? 5 * 1024 * 1024;
if (!mediaType.IsMovie() && media.Length <= csize)
{
// this item is not needed to split it into pieces
return(await accessor.UploadMediaAsync(media, additionalOwners, cancellationToken)
.ConfigureAwait(false));
}
if (csize < 1 || media.Length / csize > 999)
{
throw new ArgumentOutOfRangeException(nameof(chunkSize), "chunk size is not appropriate.");
}
// chunking media
var chunks = media.Select((b, i) => new { Data = b, Index = i / csize })
.GroupBy(b => b.Index)
.Select(g => g.Select(b => b.Data).ToArray())
.ToArray();
// send INIT request
var initialContent = new MultipartFormDataContent
{
{ new StringContent("INIT"), "command" },
{ new StringContent(media.Length.ToString()), "total_bytes" },
{ new StringContent(mimeType), "media_type" }
};
if (additionalOwners != null)
{
initialContent.Add(new StringContent(additionalOwners.Select(id => id.ToString()).JoinString(",")),
"additional_owners");
}
var initialResult =
await accessor.UploadMediaCoreAsync(initialContent, cancellationToken).ConfigureAwait(false);
// read initial result and prepare sending content
var mediaId = initialResult.Result.MediaId;
var fileName = System.IO.Path.GetRandomFileName();
var index = 0;
var sentSize = 0;
// send APPEND request for uploading contents
foreach (var part in chunks)
{
var content = new MultipartFormDataContent
{
{ new StringContent("APPEND"), "command" },
{ new StringContent(mediaId.ToString()), "media_id" },
{ new ByteArrayContent(part), "media", fileName },
{ new StringContent(index.ToString()), "segment_index" }
};
await UploadCoreAsync(accessor, content, cancellationToken).ConfigureAwait(false);
sentSize += part.Length;
sentBytesCallback?.Report(sentSize);
index++;
}
// send FINALIZE
var finalContent = new MultipartFormDataContent
{
{ new StringContent("FINALIZE"), "command" },
{ new StringContent(mediaId.ToString()), "media_id" }
};
return(await UploadMediaCoreAsync(accessor, finalContent, cancellationToken).ConfigureAwait(false));
}
public static Task <IApiResult <TwitterUploadedMedia> > UploadMediaAsync(
[NotNull] this IApiAccessor accessor, [NotNull] byte[] image,
CancellationToken cancellationToken)
{
return(accessor.UploadMediaAsync(image, null, cancellationToken));
}