/**
* Process property of the type 'hidden'
*
* Method will ask the user for a value and thereafter
* ask the user to confirm that value. Just like when
* you are asked for creating a password, in most
* systems.
*
* If the the hidden value is not conformed correctly,
* the method will try again (ask the user again), until
* there are no more attempts left.
*
* @param Property $property
* @param int $maxAttempts [optional]
* @param int $attemptNumber [optional]
*
* @return string The hidden value
*
* @throws CannotProcessPropertyException If maximum attempts has been reached
*/
protected function handleHiddenType(Property $property, $maxAttempts = 3, $attemptNumber = 1)
{
$value = $this->output->askHidden($property->getQuestion(), $property->getValidation());
// Confirm the value that has been given
// NOTE: We cannot use the builtin validation for this confirmation,
// because the question helper is repeatedly going to ask for
// the same value. However, the user might NOT know where the mistake
// was made; first time the hidden value was typed or the second time?
// Therefore, we must manually validate the two values
$confirmedValue = $this->output->askHidden("Repeat ({$property->getQuestion()})!", null);
// Check if values match
if ($confirmedValue == $value) {
return $value;
}
// This means that the values do not match.
// Thus, we must check if we have any attempts left...
if ($attemptNumber >= $maxAttempts) {
throw new CannotProcessPropertyException("Incorrect values have been given for '{$property->getId()}', maximum attempts reached!");
}
// If reached here, it means that the two values do not match,
// and we still have one or more attempts to resolve the issue.
// We do so by simply asking the user again.
// Warn the user
$this->output->warning("The two values do not match. Please try again. Attempt no.: ({$attemptNumber}/{$maxAttempts})");
// Increase attempt and
$attemptNumber++;
// Try again...
return $this->handleHiddenType($property, $maxAttempts, $attemptNumber);
}
