ContentImportForm.php in Content Synchronization 8

Namespace

Drupal\content_sync\Form

File

src/Form/ContentImportForm.php

<?php

namespace Drupal\content_sync\Form;

use Drupal\Core\Archiver\ArchiveTar;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;

/**
 * Defines the content import form.
 */
class ContentImportForm extends FormBase {

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

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $directory = content_sync_get_content_directory('sync');
    $directory_is_writable = is_writable($directory);
    if (!$directory_is_writable) {
      $this
        ->logger('content_sync')
        ->error('The directory %directory is not writable.', [
        '%directory' => $directory,
        'link' => 'Import Archive',
      ]);
      drupal_set_message($this
        ->t('The directory %directory is not writable.', [
        '%directory' => $directory,
      ]), 'error');
    }
    $form['import_tarball'] = [
      '#type' => 'file',
      '#title' => $this
        ->t('Configuration archive'),
      '#description' => $this
        ->t('Allowed types: @extensions.', [
        '@extensions' => 'tar.gz tgz tar.bz2',
      ]),
    ];
    $form['submit'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Upload'),
      '#disabled' => !$directory_is_writable,
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    $all_files = $this
      ->getRequest()->files
      ->get('files', []);
    if (!empty($all_files['import_tarball'])) {
      $file_upload = $all_files['import_tarball'];
      if ($file_upload
        ->isValid()) {
        $form_state
          ->setValue('import_tarball', $file_upload
          ->getRealPath());
        return;
      }
    }
    $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')) {
      $directory = content_sync_get_content_directory('sync');
      emptyDirectory($directory);
      try {
        $archiver = new ArchiveTar($path, 'gz');
        $files = [];
        foreach ($archiver
          ->listContent() as $file) {
          $files[] = $file['filename'];
        }
        $archiver
          ->extractList($files, $directory);
        drupal_set_message($this
          ->t('Your content files were successfully uploaded'));
        $this
          ->logger('content_sync')
          ->notice('Your content files were successfully uploaded', [
          'link' => 'Import Archive',
        ]);
        $form_state
          ->setRedirect('content.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>', [
          '@message' => $e
            ->getMessage(),
        ]), 'error');
        $this
          ->logger('content_sync')
          ->error('Could not extract the contents of the tar file. The error message is <em>@message</em>', [
          '@message' => $e
            ->getMessage(),
          'link' => 'Import Archive',
        ]);
      }
      drupal_flush_all_caches();
      unlink($path);
    }
  }

}

/*
 * Help to empty a directory
 */
function emptyDirectory($dirname, $self_delete = false) {
  if (is_dir($dirname)) {
    $dir_handle = opendir($dirname);
  }
  if (!$dir_handle) {
    return false;
  }
  while ($file = readdir($dir_handle)) {
    if ($file != "." && $file != "..") {
      if (!is_dir($dirname . "/" . $file)) {
        @unlink($dirname . "/" . $file);
      }
      else {
        emptyDirectory($dirname . '/' . $file, true);
      }
    }
  }
  closedir($dir_handle);
  if ($self_delete) {
    @rmdir($dirname);
  }
  return true;
}

Functions

Name	Description
emptyDirectory

Classes

Name	Description
ContentImportForm	Defines the content import form.