public void Publish(ImageUploadedMessage message)
{
_channel.BasicPublish(
exchange: string.Empty, // direct exchange
routingKey: _queueName,
body: Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(message)));
}
public async Task <ImageUploadedMessage> Handle(Stream imageStream)
{
var(imageId, uploadedOn) = await _storage.Save(imageStream);
var message = new ImageUploadedMessage
{
ImageId = imageId,
UploadedOn = uploadedOn
};
_mqClient.Publish(message);
return(message);
}
public ImageRecognizedMessage OnImageUploaded(ImageUploadedMessage message)
{
var bytes = _storage.ReadFile(message.ImageId);
if (bytes == null)
{
return(null);
}
return(new ImageRecognizedMessage
{
ImageId = message.ImageId,
UploadedOn = message.UploadedOn,
Categories = _recognizer.GetCategories(bytes)
});
}