SourceSelectForm.php in WordPress Migrate 8.3

Namespace

Drupal\wordpress_migrate_ui\Form

File

wordpress_migrate_ui/src/Form/SourceSelectForm.php

<?php

namespace Drupal\wordpress_migrate_ui\Form;

use Drupal\Core\Entity\EntityStorageException;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Component\Utility\Environment;

/**
 * Simple wizard step form.
 */
class SourceSelectForm extends FormBase {

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

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {

    // @todo Make sure we have a private directory configured.
    // @link https://www.drupal.org/node/2742291
    // @todo Support importing directly from WP admin interface.
    // @link https://www.drupal.org/node/2742293
    // @todo Support importing from the directory directly.
    // @link https://www.drupal.org/node/2742295
    // @todo Support importing from a database.
    // @link https://www.drupal.org/node/2742299
    $form['overview'] = [
      '#markup' => $this
        ->t('This wizard supports importing into your Drupal site from a WordPress blog. To be able to use this wizard, you must have an XML file exported from the blog.'),
    ];
    $form['description'] = [
      '#markup' => $this
        ->t('<br /><br />You will be led through a series of steps, allowing you to customize what will be imported into Drupal and how it will be mapped. At the end of this process, a migration group will be generated.'),
    ];
    $form['wxr_file'] = [
      '#type' => 'file',
      '#title' => $this
        ->t('WordPress exported file (WXR)'),
      '#description' => $this
        ->t('Select an exported WordPress file (.xml extension). Maximum file size is @size.', [
        '@size' => format_size(Environment::getUploadMaxSize()),
      ]),
    ];
    $form['keep_wxr_file'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Permanently save uploaded WXR file'),
      '#description' => $this
        ->t('The uploaded WXR file will be kept in your site permanently. It will always be visible on the "Files" section of the Content administration area.'),
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    $all_files = $this
      ->getRequest()->files
      ->get('files', []);
    if (empty($all_files['wxr_file'])) {
      $form_state
        ->setErrorByName('wxr_file', $this
        ->t('You must upload a file to continue.'));
    }
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $validators = [
      'file_validate_extensions' => [
        'xml',
      ],
    ];

    // file_save_upload renames if file already exists (default behavior)
    $file = file_save_upload('wxr_file', $validators, 'public://', 0);
    if ($file) {
      $cached_values = $form_state
        ->getTemporaryValue('wizard');
      $cached_values['file_uri'] = $file
        ->getFileUri();
      if ($form_state
        ->getValue('keep_wxr_file')) {

        /* Set the status flag permanent of the file object */
        $file
          ->setPermanent();

        /* Save the file in database */
        try {
          $file
            ->save();
        } catch (EntityStorageException $e) {
          $this
            ->messenger()
            ->addError('The WXR file failed to upload. Please try again.');
          $this
            ->logger('wordpress_migrate')
            ->error('The WXR file failed to upload. (EntityStorageException)');
        }
      }
      $form_state
        ->setTemporaryValue('wizard', $cached_values);

      // @todo: Preprocess the file
      // @link https://www.drupal.org/node/2742301
    }
    else {
      $form_state
        ->setRebuild();
      $this
        ->messenger()
        ->addError($this
        ->t('WXR file upload failed. Please try again. Your log messages may have additional information.'));
      $this
        ->logger('wordpress_migrate')
        ->error('The WXR file failed to upload.');
    }
  }

}

Classes

Name	Description
SourceSelectForm	Simple wizard step form.