public async Task <IActionResult> GetAllAppointments()
{
var appointments = await getAllQueryHandler.ExecuteQueryAsync(new GetAllAppointmentsQuery(), new CancellationToken());
if (appointments.Any())
{
return(Ok(appointments));
}
return(NotFound());
}
public async Task ShouldGetDepartureStation()
{
//Arrange
var journeys = new JourneysBuilder().BuildJourneys();
var selectJourneysCommand = new SelectJourneysCommand(BookingId.New, journeys);
await CommandBus.PublishAsync(selectJourneysCommand, CancellationToken.None);
//Act
var query = new GetDepartureStationsQuery(DateTime.Today, DateTime.Today.AddDays(3));
var stations = await _queryHandler.ExecuteQueryAsync(query, CancellationToken.None);
//Assert
stations.Should().NotBeEmpty();
}
public Task <TResult> ExecuteQueryAsync <TQuery, TResult>(TQuery query) where TQuery : IQuery where TResult : IQueryResult
{
IQueryHandler <TQuery, TResult> handler = null;
var resolvedHandlers = _container.GetAllInstances <IQueryHandler <TQuery, TResult> >();
var queryHandlers = resolvedHandlers as IQueryHandler <TQuery, TResult>[] ?? resolvedHandlers.ToArray();
if (!queryHandlers.Any())
{
throw new Exception($"Unable to resolve a query handler for type {query.GetType()}.");
}
if (queryHandlers.Count() > 1)
{
throw new Exception($"Ambiguous call to handler for type {query.GetType()}. There are more than one handler registered to the same type.");
}
handler = queryHandlers.First();
return(handler.ExecuteQueryAsync(query));
}
