private async Task <bool> PublishAvatarAsync()
{
SoftwareBitmap img = null;
if (MODEL.Image is not null)
{
img = await MODEL.Image?.GetSoftwareBitmapAsync();
}
if (img is null)
{
return(await PublishMetadataAsync(null));
}
byte[] imgData = await ImageUtils.ToByteArrayAsync(img, string.Equals(MODEL.Image.type, ImageUtils.IANA_MEDIA_TYPE_GIF));
string imgHashBase16 = ImageUtils.HashImage(imgData);
AvatarDataPubSubItem avatar = new AvatarDataPubSubItem(Convert.ToBase64String(imgData), imgHashBase16);
if (!await PublishAvatarAsync(avatar))
{
return(false);
}
AvatarMetadataDataPubSubItem metadata = new AvatarMetadataDataPubSubItem(imgHashBase16, new AvatarInfo((uint)imgData.Length, (ushort)img.PixelHeight, (ushort)img.PixelWidth, imgHashBase16, MODEL.Image.type));
return(await PublishMetadataAsync(metadata));
}
private async Task <bool> PublishMetadataAsync(AvatarMetadataDataPubSubItem metadata)
{
MessageResponseHelperResult <IQMessage> result = await MODEL.Client.xmppClient.PUB_SUB_COMMAND_HELPER.publishAvatarMetadataAsync(metadata);
if (result.STATE == MessageResponseHelperResultState.SUCCESS)
{
if (result.RESULT is IQErrorMessage errorMsg)
{
Logger.Error($"Failed to publish avatar metadata: {errorMsg.ERROR_OBJ}");
return(false);
}
Logger.Info("Successfully published avatar metadata.");
return(true);
}
Logger.Error($"Failed to publish avatar metadata: {result.STATE}");
return(false);
}
/// <summary>
/// Sends a <see cref="PublishAvatarMetadataMessage"/> to publish the given avatar metadata.
/// https://xmpp.org/extensions/xep-0084.html#process-pubmeta
/// </summary>
/// <param name="metadata">The avatar metadata to publish.</param>
/// <returns>Returns a <see cref="MessageResponseHelper{IQMessage}"/> listening for <see cref="PublishAvatarMetadataMessage"/> answers.</returns>
public Task <MessageResponseHelperResult <IQMessage> > publishAvatarMetadataAsync(AvatarMetadataDataPubSubItem metadata)
{
AsyncMessageResponseHelper <IQMessage> helper = new AsyncMessageResponseHelper <IQMessage>(CONNECTION);
PublishAvatarMetadataMessage msg = new PublishAvatarMetadataMessage(CONNECTION.account.getFullJid(), metadata);
return(helper.startAsync(msg));
}
