public async Task <NextPrimeNumberDto> Handle(GetNextIfNotPrimeOrCurrentQuery request, CancellationToken cancellationToken)
{
var isPrimeNumber = await _primeNumberChecker.CheckAsync(request.Number.Value);
var nextPrimeNumber = request.Number.Value;
if (!isPrimeNumber)
{
try
{
nextPrimeNumber = await _primeNumberGenerator.GetNextPrimeNumberAsync(request.Number.Value);
}
catch (ArgumentOutOfRangeException)
{
var validationFailure = new ValidationFailure(nameof(request.Number), "The number is too big and it's currently not supported.");
throw new ValidationException(new List <ValidationFailure>()
{
validationFailure
});
}
}
var response = new NextPrimeNumberDto(nextPrimeNumber);
return(response);
}
