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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\Console\QuestionPerformer;
use Magento\Framework\Exception\LocalizedException;
use Magento\Framework\Phrase;
use Symfony\Component\Console\Helper\QuestionHelper;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Question\Question;
use Symfony\Component\Console\Question\QuestionFactory;
/**
* Asks a questions to the user.
*/
class YesNo
{
/**
* Provides helpers to interact with the user.
*
* @var QuestionHelper
*/
private $questionHelper;
/**
* The factory for creating Question objects.
*
* @var QuestionFactory
*/
private $questionFactory;
/**
* @param QuestionHelper $questionHelper Provides helpers to interact with the user
* @param QuestionFactory $questionFactory The factory for creating Question objects
*/
public function __construct(
QuestionHelper $questionHelper,
QuestionFactory $questionFactory
) {
$this->questionHelper = $questionHelper;
$this->questionFactory = $questionFactory;
}
/**
* Asks a question to the user. The question is generates from given array of messages.
*
* @param string[] $messages The array of messages for creating a question
* @param InputInterface $input An InputInterface instance
* @param OutputInterface $output An OutputInterface instance
* @return bool
*/
public function execute(array $messages, InputInterface $input, OutputInterface $output)
{
if (!$input->isInteractive()) {
return true;
}
$question = $this->getConfirmationQuestion($messages);
$answer = $this->questionHelper->ask($input, $output, $question);
return in_array(strtolower($answer), ['yes', 'y']);
}
/**
* Creates Question object from given array of messages.
*
* @param string[] $messages array of messages
* @return Question
* @throws LocalizedException is thrown when a user entered a wrong answer
*/
private function getConfirmationQuestion(array $messages)
{
/** @var Question $question */
$question = $this->questionFactory->create([
'question' => implode(PHP_EOL, $messages) . PHP_EOL
]);
$question->setValidator(function ($answer) {
if (!in_array(strtolower($answer), ['yes', 'y', 'no', 'n'])) {
throw new LocalizedException(
new Phrase('A [y]es or [n]o selection needs to be made. Select and try again.')
);
}
return $answer;
});
return $question;
}
}