class LibraryItem

LibraryItemController.php in paragraphs/modules/paragraphs_library/src/Controller/LibraryItemController.php

paragraphs_collection_demo.install in paragraphs_collection/modules/paragraphs_collection_demo/paragraphs_collection_demo.install

Installation hooks for paragraphs_collection_demo module.

paragraphs_demo.install in paragraphs/modules/paragraphs_demo/paragraphs_demo.install

Installation hooks for paragraphs_demo module.

paragraphs_library.install in paragraphs/modules/paragraphs_library/paragraphs_library.install

Install/Update hooks for paragraphs library.

paragraphs_library.module in paragraphs/modules/paragraphs_library/paragraphs_library.module

Main module file for the Paragraphs Library module.

class LibraryItem extends EditorialContentEntityBase implements LibraryItemInterface {

  /**
   * {@inheritdoc}
   */
  public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
    $fields = parent::baseFieldDefinitions($entity_type);
    $fields['label'] = BaseFieldDefinition::create('string')
      ->setLabel(t('Label'))
      ->setTranslatable(TRUE)
      ->setRevisionable(TRUE)
      ->setSettings([
      'max_length' => 255,
    ])
      ->setDisplayOptions('view', [
      'type' => 'string',
      'weight' => 0,
      'label' => 'hidden',
    ])
      ->setDisplayOptions('form', [
      'type' => 'string_textfield',
      'weight' => -5,
    ])
      ->setRequired(TRUE)
      ->setDisplayConfigurable('form', TRUE)
      ->setDisplayConfigurable('view', TRUE);
    $fields['paragraphs'] = BaseFieldDefinition::create('entity_reference_revisions')
      ->setLabel(t('Paragraphs'))
      ->setRevisionable(TRUE)
      ->setSetting('target_type', 'paragraph')
      ->setSetting('handler', 'default')
      ->setDisplayOptions('view', [
      'label' => 'hidden',
      'type' => 'entity_reference_revisions_entity_view',
      'weight' => 0,
    ])
      ->setDisplayOptions('form', [
      'type' => 'paragraphs',
      'weight' => 0,
    ])
      ->setRequired(TRUE)
      ->setDisplayConfigurable('form', TRUE)
      ->setDisplayConfigurable('view', TRUE);
    $fields['created'] = BaseFieldDefinition::create('created')
      ->setLabel(t('Authored on'))
      ->setDescription(t('The time that the library item was created.'))
      ->setRevisionable(TRUE)
      ->setTranslatable(TRUE)
      ->setDisplayOptions('form', array(
      'region' => 'hidden',
      'weight' => 0,
    ))
      ->setDisplayConfigurable('form', TRUE);
    $fields['changed'] = BaseFieldDefinition::create('changed')
      ->setLabel(t('Changed'))
      ->setDescription(t('The time that the library item was last edited.'))
      ->setRevisionable(TRUE)
      ->setTranslatable(TRUE);
    $fields['uid'] = BaseFieldDefinition::create('entity_reference')
      ->setLabel(t('Authored by'))
      ->setDescription(t('The user ID of the library item author.'))
      ->setRevisionable(TRUE)
      ->setSetting('target_type', 'user')
      ->setSetting('handler', 'default')
      ->setDefaultValueCallback('Drupal\\paragraphs_library\\Entity\\LibraryItem::getCurrentUserId')
      ->setTranslatable(TRUE)
      ->setDisplayOptions('form', array(
      'region' => 'hidden',
      'weight' => 0,
    ))
      ->setDisplayConfigurable('form', TRUE);
    $fields['status']
      ->setDisplayOptions('form', [
      'type' => 'boolean_checkbox',
      'settings' => [
        'display_label' => TRUE,
      ],
      'weight' => 3,
    ])
      ->setDisplayConfigurable('form', TRUE);
    return $fields;
  }

  /**
   * Default value callback for 'uid' base field definition.
   *
   * @see ::baseFieldDefinitions()
   *
   * @return array
   *   An array of default values.
   */
  public static function getCurrentUserId() {
    return array(
      \Drupal::currentUser()
        ->id(),
    );
  }

  /**
   * {@inheritdoc}
   */
  public function preSave(EntityStorageInterface $storage) {

    // If no revision author has been set explicitly, make the entity owner the
    // revision author.
    if (!$this
      ->getRevisionUser()) {
      $this
        ->setRevisionUserId($this
        ->getOwnerId());
    }
    parent::preSave($storage);
  }

  /**
   * {@inheritdoc}
   */
  public function getOwner() {
    return $this
      ->get('uid')->entity;
  }

  /**
   * {@inheritdoc}
   */
  public function getOwnerId() {
    return $this
      ->get('uid')->target_id;
  }

  /**
   * {@inheritdoc}
   */
  public function setOwnerId($uid) {
    $this
      ->set('uid', $uid);
    return $this;
  }

  /**
   * {@inheritdoc}
   */
  public function setOwner(UserInterface $account) {
    $this
      ->set('uid', $account
      ->id());
    return $this;
  }

  /**
   * {@inheritdoc}
   */
  public function preSaveRevision(EntityStorageInterface $storage, \stdClass $record) {
    parent::preSaveRevision($storage, $record);
    if (!$this
      ->isNewRevision() && isset($this->original) && (!isset($record->revision_log) || $record->revision_log === '')) {
      $record->revision_log = $this->original->revision_log->value;
    }

    // @todo Remove when https://www.drupal.org/project/drupal/issues/2869056 is
    // fixed.
    $new_revision = $this
      ->isNewRevision();
    if (!$new_revision && isset($this->original) && (!isset($record->revision_log) || $record->revision_log === '')) {

      // If we are updating an existing library item without adding a new
      // revision, we need to make sure $entity->revision_log is reset whenever
      // it is empty. Therefore, this code allows us to avoid clobbering an
      // existing log entry with an empty one.
      $record->revision_log = $this->original
        ->getRevisionLogMessage();
    }
    if ($new_revision && (!isset($record->revision_created) || empty($record->revision_created))) {
      $record->revision_created = \Drupal::time()
        ->getRequestTime();
    }
  }

  /**
   * {@inheritdoc}
   */
  public static function createFromParagraph(ParagraphInterface $paragraph) {
    if (!$paragraph
      ->getParagraphType()
      ->getThirdPartySetting('paragraphs_library', 'allow_library_conversion', FALSE)) {
      throw new \Exception(sprintf('%s cannot be converted to library item per configuration', $paragraph
        ->bundle()));
    }

    // Ensure that we work with the default language as the active one.
    $paragraph = $paragraph
      ->getUntranslated();

    // Make a copy of the paragraph. Use the Replicate module, if it is enabled.
    if (\Drupal::hasService('replicate.replicator')) {
      $duplicate_paragraph = \Drupal::getContainer()
        ->get('replicate.replicator')
        ->replicateEntity($paragraph);
    }
    else {
      $duplicate_paragraph = $paragraph
        ->createDuplicate();
    }
    $duplicate_paragraph
      ->save();
    $library_item = static::create([
      'paragraphs' => $duplicate_paragraph,
      'langcode' => $paragraph
        ->language()
        ->getId(),
    ]);

    // If the item has a moderation field, set it to published.
    if ($library_item
      ->hasField('moderation_state')) {
      $library_item
        ->set('moderation_state', 'published');
    }

    // Build the label in each available translation and ensure the translations
    // exist.
    foreach ($duplicate_paragraph
      ->getTranslationLanguages() as $langcode => $language) {
      if (!$library_item
        ->hasTranslation($langcode)) {
        $library_item
          ->addTranslation($langcode, $library_item
          ->toArray());
      }
      $library_item
        ->getTranslation($langcode)
        ->set('label', static::buildLabel($duplicate_paragraph
        ->getTranslation($langcode)));
    }
    return $library_item;
  }

  /**
   * Builds a label for the library item.
   *
   * @param \Drupal\paragraphs\ParagraphInterface $paragraph
   *   The paragraph for which the label should be generated.
   *
   * @return string
   */
  protected static function buildLabel(ParagraphInterface $paragraph) {
    $summary = $paragraph
      ->getSummaryItems([
      'show_behavior_summary' => FALSE,
    ]);
    $summary = Unicode::truncate(implode(', ', $summary['content']), 50);
    return $paragraph
      ->getParagraphType()
      ->label() . ': ' . $summary;
  }

  /**
   * {@inheritdoc}
   */
  public function getCreatedTime() {
    return $this
      ->get('created')->value;
  }

  /**
   * {@inheritdoc}
   */
  public function setCreatedTime($timestamp) {
    $this
      ->set('created', $timestamp);
    return $this;
  }

  /**
   * {@inheritdoc}
   */
  protected function urlRouteParameters($rel) {
    $uri_route_parameters = parent::urlRouteParameters($rel);
    if ($rel === 'revision-revert' || $rel === 'revision-delete') {
      $uri_route_parameters['paragraphs_library_item_revision'] = $this
        ->getRevisionId();
    }
    return $uri_route_parameters;
  }

}