public override async Task PublishAsync(IEnumerable <Message> messages, CancellationToken cancellationToken = default)
{
messages = await Task.WhenAll(messages // TODO: Use batches here
.Select(message =>
{
if (message.Content.Length > _maxMessageSize)
{
return(Task.Run(async() =>
{
var key = Guid.NewGuid().ToString();
using (var stream = await _blobContainer.OpenWriteAsync(key, cancellationToken))
{
await stream.WriteAsync(message.Content, 0, message.Content.Length);
var content = Encoding.UTF8.GetBytes(StorageKey + ":" + key);
return new Message(message.Id, content, message.Properties, message.SystemProperties, message.PartitionId);
}
}));
}
else
{
return(Task.FromResult(message));
}
}));
await base.PublishAsync(messages, cancellationToken);
}
public virtual Task <Stream> OpenWriteAsync(string path, CancellationToken cancellationToken = default)
{
return(_blobContainer.OpenWriteAsync(path, cancellationToken));
}
