ContentExportForm.php in Content Synchronization 8

Namespace

Drupal\content_sync\Form

File

src/Form/ContentExportForm.php

<?php

namespace Drupal\content_sync\Form;

use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Entity\ContentEntityType;

/**
 * Defines the content export form.
 */
class ContentExportForm extends FormBase {

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

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form['submit'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Export'),
    ];
    return $form;
  }

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

    // Delete the content tar file in case an older version exist.
    file_unmanaged_delete(file_directory_temp() . '/content.tar.gz');

    //Entity types manager
    $entityTypeManager = \Drupal::entityTypeManager();
    $entityBundles = \Drupal::service("entity_type.bundle.info");

    //Set batch operations by entity type/bundle
    $operations = [];
    $operations[] = [
      'generateSiteUUIDFile',
      [
        0 => 0,
      ],
    ];
    $entity_type_definitions = $entityTypeManager
      ->getDefinitions();
    foreach ($entity_type_definitions as $entity_type => $definition) {
      if ($definition instanceof ContentEntityType) {
        $entity_bundles = $entityBundles
          ->getBundleInfo($entity_type);
        foreach ($entity_bundles as $entity_bundle => $bundle) {

          //Get BundleKey
          $bundleKey = \Drupal::entityTypeManager()
            ->getStorage($entity_type)
            ->getEntityType()
            ->getKey('bundle');
          if (!empty($bundleKey)) {

            // Load entities by their property values.
            $entities = \Drupal::entityTypeManager()
              ->getStorage($entity_type)
              ->loadByProperties(array(
              $bundleKey => $entity_bundle,
            ));
          }
          else {
            $entities = \Drupal::entityTypeManager()
              ->getStorage($entity_type)
              ->loadMultiple();
          }
          $entity = [];
          foreach ($entities as $entity_id => $entity_obj) {
            $entity['values'][] = [
              'entity_type' => $entity_type,
              'entity_bundle' => $entity_bundle,
              'entity_id' => $entity_id,
            ];
          }
          if (!empty($entity)) {
            $operations[] = [
              'processContentExportFiles',
              $entity,
            ];
          }
        }
      }
    }
    if (empty($operations)) {
      $operations[] = [
        'processContentExportFiles',
        [
          0 => 0,
        ],
      ];
    }

    //Set Batch
    $batch = [
      'operations' => $operations,
      'finished' => 'finishContentExportBatch',
      'title' => $this
        ->t('Exporting content'),
      'init_message' => $this
        ->t('Starting content export.'),
      'progress_message' => $this
        ->t('Completed @current step of @total.'),
      'error_message' => $this
        ->t('Content export has encountered an error.'),
      'file' => drupal_get_path('module', 'content_sync') . '/content_sync.batch.inc',
    ];
    batch_set($batch);
  }

}

Classes

Name	Description
ContentExportForm	Defines the content export form.