public async Task <DomainResult <ObjectId> > Handle(CreateConnectionCommand command, CancellationToken cancellationToken)
{
var origin = await _pointRepository.FindAsync(command.OriginPointId);
var destination = await _pointRepository.FindAsync(command.DestinationPointId);
if (origin is null || destination is null)
{
return(DomainResult.Failure <ObjectId>("Origin or Destination not found"));
}
var connection = new Connection(origin, destination, command.Time, command.Cost);
var alreadyExists = await _connectionRepository.AlreadyExistsAsync(x => connection.IsTheSame(x));
if (alreadyExists)
{
return(DomainResult.Failure <ObjectId>("Connection already exists.", HttpStatusCode.Conflict));
}
await _connectionRepository.CreateAsync(connection);
await _mediator.Publish(new ConnectionCreatedEvent(connection));
return(DomainResult.Ok(connection.Id));
}
