ConfigImportForm.php in Zircon Profile 8

Contains \Drupal\config\Form\ConfigImportForm.

Namespace

Drupal\config\Form

File

core/modules/config/src/Form/ConfigImportForm.php

<?php

/**
 * @file
 * Contains \Drupal\config\Form\ConfigImportForm.
 */
namespace Drupal\config\Form;

use Drupal\Core\Archiver\ArchiveTar;
use Drupal\Core\Config\StorageInterface;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Defines the configuration import form.
 */
class ConfigImportForm extends FormBase {

  /**
   * The configuration storage.
   *
   * @var \Drupal\Core\Config\StorageInterface
   */
  protected $configStorage;

  /**
   * Constructs a new ConfigImportForm.
   *
   * @param \Drupal\Core\Config\StorageInterface $config_storage
   *   The configuration storage.
   */
  public function __construct(StorageInterface $config_storage) {
    $this->configStorage = $config_storage;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('config.storage.sync'));
  }

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'config_import_form';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form['import_tarball'] = array(
      '#type' => 'file',
      '#title' => $this
        ->t('Configuration archive'),
      '#description' => $this
        ->t('Allowed types: @extensions.', array(
        '@extensions' => 'tar.gz tgz tar.bz2',
      )),
    );
    $form['submit'] = array(
      '#type' => 'submit',
      '#value' => $this
        ->t('Upload'),
    );
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    $file_upload = $this
      ->getRequest()->files
      ->get('files[import_tarball]', NULL, TRUE);
    if ($file_upload && $file_upload
      ->isValid()) {
      $form_state
        ->setValue('import_tarball', $file_upload
        ->getRealPath());
    }
    else {
      $form_state
        ->setErrorByName('import_tarball', $this
        ->t('The file could not be uploaded.'));
    }
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    if ($path = $form_state
      ->getValue('import_tarball')) {
      $this->configStorage
        ->deleteAll();
      try {
        $archiver = new ArchiveTar($path, 'gz');
        $files = array();
        foreach ($archiver
          ->listContent() as $file) {
          $files[] = $file['filename'];
        }
        $archiver
          ->extractList($files, config_get_config_directory(CONFIG_SYNC_DIRECTORY));
        drupal_set_message($this
          ->t('Your configuration files were successfully uploaded and are ready for import.'));
        $form_state
          ->setRedirect('config.sync');
      } catch (\Exception $e) {
        drupal_set_message($this
          ->t('Could not extract the contents of the tar file. The error message is <em>@message</em>', array(
          '@message' => $e
            ->getMessage(),
        )), 'error');
      }
      drupal_unlink($path);
    }
  }

}

Classes

Name	Description
ConfigImportForm	Defines the configuration import form.