PathautoAdminDelete.php in Pathauto 8

Namespace

Drupal\pathauto\Form

File

src/Form/PathautoAdminDelete.php

<?php

namespace Drupal\pathauto\Form;

use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\pathauto\AliasTypeManager;
use Drupal\pathauto\AliasStorageHelperInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Alias mass delete form.
 */
class PathautoAdminDelete extends FormBase {

  /**
   * Provides helper methods for accessing alias storage.
   *
   * @var \Drupal\pathauto\AliasStorageHelperInterface
   */
  protected $aliasStorageHelper;

  /**
   * The alias type manager.
   *
   * @var \Drupal\pathauto\AliasTypeManager
   */
  protected $aliasTypeManager;

  /**
   * Constructs a PathautoAdminDelete object.
   *
   * @param \Drupal\pathauto\AliasStorageHelperInterface $alias_storage_helper
   *   Provides helper methods for accessing alias storage.
   * @param \Drupal\pathauto\AliasTypeManager $alias_type_manager
   *   The alias type manager.
   */
  public function __construct(AliasStorageHelperInterface $alias_storage_helper, AliasTypeManager $alias_type_manager) {
    $this->aliasStorageHelper = $alias_storage_helper;
    $this->aliasTypeManager = $alias_type_manager;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('pathauto.alias_storage_helper'), $container
      ->get('plugin.manager.alias_type'));
  }

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

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form['delete'] = [
      '#type' => 'fieldset',
      '#title' => $this
        ->t('Choose aliases to delete'),
      '#tree' => TRUE,
    ];

    // First we do the "all" case.
    $total_count = $this->aliasStorageHelper
      ->countAll();
    $form['delete']['all_aliases'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('All aliases'),
      '#default_value' => FALSE,
      '#description' => $this
        ->t('Delete all aliases. Number of aliases which will be deleted: %count.', [
        '%count' => $total_count,
      ]),
    ];

    // Next, iterate over all visible alias types.
    $definitions = $this->aliasTypeManager
      ->getVisibleDefinitions();
    foreach ($definitions as $id => $definition) {

      /** @var \Drupal\pathauto\AliasTypeInterface $alias_type */
      $alias_type = $this->aliasTypeManager
        ->createInstance($id);
      $count = $this->aliasStorageHelper
        ->countBySourcePrefix($alias_type
        ->getSourcePrefix());
      $form['delete']['plugins'][$id] = [
        '#type' => 'checkbox',
        '#title' => (string) $definition['label'],
        '#default_value' => FALSE,
        '#description' => $this
          ->t('Delete aliases for all @label. Number of aliases which will be deleted: %count.', [
          '@label' => (string) $definition['label'],
          '%count' => $count,
        ]),
      ];
    }
    $form['options'] = [
      '#type' => 'fieldset',
      '#title' => $this
        ->t('Delete options'),
      '#tree' => TRUE,
    ];

    // Provide checkbox for not deleting custom aliases.
    $form['options']['keep_custom_aliases'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Only delete automatically generated aliases'),
      '#default_value' => TRUE,
      '#description' => $this
        ->t('When checked, aliases which have been manually set are not affected by this mass-deletion.'),
    ];

    // Warn them and give a button that shows we mean business.
    $form['warning'] = [
      '#markup' => '<p>' . $this
        ->t('<strong>Note:</strong> there is no confirmation. Be sure of your action before clicking the "Delete aliases now!" button.<br />You may want to make a backup of the database and/or the path_alias and path_alias_revision tables prior to using this feature.') . '</p>',
    ];
    $form['buttons']['submit'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Delete aliases now!'),
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $delete_all = $form_state
      ->getValue([
      'delete',
      'all_aliases',
    ]);

    // Keeping custom aliases forces us to go the slow way to correctly check
    // the automatic/manual flag.
    if ($form_state
      ->getValue([
      'options',
      'keep_custom_aliases',
    ])) {
      $batch = [
        'title' => $this
          ->t('Bulk deleting URL aliases'),
        'operations' => [
          [
            'Drupal\\pathauto\\Form\\PathautoAdminDelete::batchStart',
            [
              $delete_all,
            ],
          ],
        ],
        'finished' => 'Drupal\\pathauto\\Form\\PathautoAdminDelete::batchFinished',
      ];
      if ($delete_all) {
        foreach (array_keys($form_state
          ->getValue([
          'delete',
          'plugins',
        ])) as $id) {
          $batch['operations'][] = [
            'Drupal\\pathauto\\Form\\PathautoAdminDelete::batchProcess',
            [
              $id,
            ],
          ];
        }
      }
      else {
        foreach (array_keys(array_filter($form_state
          ->getValue([
          'delete',
          'plugins',
        ]))) as $id) {
          $batch['operations'][] = [
            'Drupal\\pathauto\\Form\\PathautoAdminDelete::batchProcess',
            [
              $id,
            ],
          ];
        }
      }
      batch_set($batch);
    }
    elseif ($delete_all) {
      $this->aliasStorageHelper
        ->deleteAll();
      $this
        ->messenger()
        ->addMessage($this
        ->t('All of your path aliases have been deleted.'));
    }
    else {
      foreach (array_keys(array_filter($form_state
        ->getValue([
        'delete',
        'plugins',
      ]))) as $id) {
        $alias_type = $this->aliasTypeManager
          ->createInstance($id);
        $this->aliasStorageHelper
          ->deleteBySourcePrefix((string) $alias_type
          ->getSourcePrefix());
        $this
          ->messenger()
          ->addMessage($this
          ->t('All of your %label path aliases have been deleted.', [
          '%label' => $alias_type
            ->getLabel(),
        ]));
      }
    }
  }

  /**
   * Batch callback; record if aliases of all types must be deleted.
   */
  public static function batchStart($delete_all, &$context) {
    $context['results']['delete_all'] = $delete_all;
    $context['results']['deletions'] = [];
  }

  /**
   * Common batch processing callback for all operations.
   */
  public static function batchProcess($id, &$context) {

    /** @var \Drupal\pathauto\AliasTypeBatchUpdateInterface $alias_type */
    $alias_type = \Drupal::service('plugin.manager.alias_type')
      ->createInstance($id);
    $alias_type
      ->batchDelete($context);
  }

  /**
   * Batch finished callback.
   */
  public static function batchFinished($success, $results, $operations) {
    if ($success) {
      if ($results['delete_all']) {
        \Drupal::service('messenger')
          ->addMessage(t('All of your automatically generated path aliases have been deleted.'));
      }
      elseif (isset($results['deletions'])) {
        foreach (array_values($results['deletions']) as $label) {
          \Drupal::service('messenger')
            ->addMessage(t('All of your automatically generated %label path aliases have been deleted.', [
            '%label' => $label,
          ]));
        }
      }
    }
    else {
      $error_operation = reset($operations);
      \Drupal::service('messenger')
        ->addMessage(t('An error occurred while processing @operation with arguments : @args', [
        '@operation' => $error_operation[0],
        '@args' => print_r($error_operation[0]),
      ]));
    }
  }

}

Classes

Name	Description
PathautoAdminDelete	Alias mass delete form.