public void SendMessageAsync()
{
//declare rpc queue if not done already
channel.QueueDeclare("rpc_async_queue", false, false, false, null);
//set up quality of service, how messages are transported?
channel.BasicQos(0, 1, false);
//set up consumer event for when message is received
EventingBasicConsumer consumer = new EventingBasicConsumer(channel);
consumer.Received += async(model, ea) =>
{
string jsonString = null;
//grab message properties
var body = ea.Body;
var props = ea.BasicProperties;
//set up reply message properties
var replyProps = channel.CreateBasicProperties();
replyProps.CorrelationId = props.CorrelationId;
try
{
//deserialize message
var message = Encoding.UTF8.GetString(body);
//body should be query for search, pass query to ES service
IDataSourceService dataSourceSerive = new DataSourceFactory();
IReadOnlyCollection <Nerd> response = await dataSourceSerive.GetSearchResultsAsync(message);
//serialize response for reply queue
jsonString = JsonConvert.SerializeObject(response);
}
catch (Exception e)
{
//Console.WriteLine(" [.] " + e.Message);
jsonString = "{\"error\":\"" + e.Message + "\"}";
}
finally
{
//serialize json to bytes for message
var responseBytes = Encoding.UTF8.GetBytes(jsonString);
//publish and acknowledge response to reply queue
channel.BasicPublish("", props.ReplyTo, replyProps, responseBytes);
channel.BasicAck(ea.DeliveryTag, false);
}
};
//consume messages from rpc queue and trigger consumer event
//channel.BasicConsume("rpc_queue", false, consumer);
channel.BasicConsume(consumer: consumer, queue: "rpc_async_queue", autoAck: false);
//Console.WriteLine(" [x] Awaiting RPC requests");
//Console.WriteLine(" Press [enter] to exit.");
//Console.ReadLine();
}
public async Task <IActionResult> Post([FromBody] Search query)
{
if (query == null)
{
return(BadRequest());
}
IDataSourceService searchEngine = new DataSourceFactory();
IReadOnlyCollection <Nerd> res = await searchEngine.GetSearchResultsAsync(query.Query);
return(new OkObjectResult(res));
}
