Magento setup:install interactive shell

setup/src/Magento/Setup/Console/Command/InstallCommand.php

@@ -13,6 +13,9 @@
 use Magento\Framework\Setup\ConsoleLogger;
 use Symfony\Component\Console\Input\InputOption;
 use Magento\Setup\Model\ConfigModel;
+use Symfony\Component\Console\Question\Question;
+use Symfony\Component\Console\Question\ChoiceQuestion;
+use Symfony\Component\Console\Helper\QuestionHelper;
 
 /**
  * Command to install Magento application
@@ -35,6 +38,16 @@ class InstallCommand extends AbstractSetupCommand
      */
     const INPUT_KEY_USE_SAMPLE_DATA = 'use-sample-data';
 
+    /**
+     * Parameter indicating command for interactive setup
+     */
+    const INPUT_KEY_INTERACTIVE_SETUP = 'interactive';
+
+    /**
+     * Parameter indicating command shortcut for interactive setup
+     */
+    const INPUT_KEY_INTERACTIVE_SETUP_SHORTCUT = 'i';
+
     /**
      * Regex for sales_order_increment_prefix validation.
      */
@@ -109,7 +122,13 @@ protected function configure()
                 null,
                 InputOption::VALUE_NONE,
                 'Use sample data'
-            )
+            ),
+            new InputOption(
+                self::INPUT_KEY_INTERACTIVE_SETUP,
+                self::INPUT_KEY_INTERACTIVE_SETUP_SHORTCUT,
+                InputOption::VALUE_NONE,
+                'Interactive Magento instalation'
+            ),
         ]);
         $this->setName('setup:install')
             ->setDescription('Installs the Magento application')
@@ -139,12 +158,17 @@ protected function initialize(InputInterface $input, OutputInterface $output)
     {
         $inputOptions = $input->getOptions();
 
-        $configOptionsToValidate = [];
-        foreach ($this->configModel->getAvailableOptions() as $option) {
-            if (array_key_exists($option->getName(), $inputOptions)) {
-                $configOptionsToValidate[$option->getName()] = $inputOptions[$option->getName()];
+        if ($inputOptions['interactive']) {
+            $configOptionsToValidate = $this->interactiveQuestions($input, $output);
+        } else {
+            $configOptionsToValidate = [];
+            foreach ($this->configModel->getAvailableOptions() as $option) {
+                if (array_key_exists($option->getName(), $inputOptions)) {
+                    $configOptionsToValidate[$option->getName()] = $inputOptions[$option->getName()];
+                }
             }
         }
+
         $errors = $this->configModel->validate($configOptionsToValidate);
         $errors = array_merge($errors, $this->adminUser->validate($input));
         $errors = array_merge($errors, $this->validate($input));
@@ -177,4 +201,81 @@ public function validate(InputInterface $input)
         }
         return $errors;
     }
+
+    /**
+     * Runs interactive questions
+     *
+     * It will ask users for interactive questionst regarding setup configuration.
+     *
+     * @param InputInterface $input
+     * @param OutputInterface $output
+     * @return string[] Array of inputs
+     */
+    private function interactiveQuestions(InputInterface $input, OutputInterface $output)
+    {
+        $helper = $this->getHelper('question');
+        $configOptionsToValidate = [];
+        foreach ($this->configModel->getAvailableOptions() as $option) {
+
+            $configOptionsToValidate[$option->getName()] = $this->askQuestion($input, $output, $helper, $option);
+
+            /*$question = new Question($option->getDescription() . '? ', $option->getDefault());
+            $configOptionsToValidate[$option->getName()] = $helper->ask($input, $output, $question);
+            */
+        }
+        return $configOptionsToValidate;
+    }
+
+    /**
+     * Runs interactive questions
+     *
+     * It will ask users for interactive questionst regarding setup configuration.
+     *
+     * @param InputInterface $input
+     * @param OutputInterface $output
+     * @param QuestionHelper $helper
+     * @param Magento\Framework\Setup\Option\TextConfigOption|Magento\Framework\Setup\Option\FlagConfigOption\Magento\Framework\Setup\Option\SelectConfigOption $option
+     * @return string[] Array of inputs
+     */
+    private function askQuestion(InputInterface $input, OutputInterface $output, QuestionHelper $helper, $option)
+    {
+        if (get_class($option) === 'Magento\Framework\Setup\Option\SelectConfigOption') {
+            if ($option->isValueRequired()) {
+                $question = new ChoiceQuestion(
+                    $option->getDescription() . '? ',
+                    $option->getSelectOptions(),
+                    $option->getDefault()
+                );
+            } else {
+                $question = new ChoiceQuestion(
+                    $option->getDescription() . ' [optional]? ',
+                    $option->getSelectOptions(),
+                    $option->getDefault()
+                );
+            }
+            $question->setValidator(function ($answer) use ($option) {
+                $option->validate($option->getSelectOptions()[$answer]);
+                return $answer;
+            });
+        } else {
+            if ($option->isValueRequired()) {
+                $question = new Question(
+                    $option->getDescription() . '? ',
+                    $option->getDefault()
+                );
+            } else {
+                $question = new Question(
+                    $option->getDescription() . ' [optional]? ',
+                    $option->getDefault()
+                );
+            }
+            $question->setValidator(function ($answer) use ($option) {
+                $option->validate($answer);
+                return $answer;
+            });
+        }
+
+        $value = $helper->ask($input, $output, $question);
+        return $value;
+    }
 }