block_content.module

<?php


/**
 * @file
 */

use Drupal\field\Entity\FieldConfig;
use Drupal\field\Entity\FieldStorageConfig;
use Drupal\Core\Database\Query\ConditionInterface;

/**
 * Adds the default body field to a block type.
 *
 * @param string $block_type_id
 *   Id of the block type.
 * @param string $label
 *   (optional) The label for the body instance. Defaults to 'Body'.
 *
 * @return \Drupal\field\Entity\FieldConfig
 *   A Body field object.
 */
function block_content_add_body_field($block_type_id, $label = 'Body') {
  // Add or remove the body field, as needed.
  $field = FieldConfig::loadByName('block_content', $block_type_id, 'body');
  if (empty($field)) {
    $field = FieldConfig::create([
      'field_storage' => FieldStorageConfig::loadByName('block_content', 'body'),
      'bundle' => $block_type_id,
      'label' => $label,
      'settings' => [
        'display_summary' => FALSE,
        'allowed_formats' => [],
      ],
    ]);
    $field->save();
    /** @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface $display_repository */
    $display_repository = \Drupal::service('entity_display.repository');
    // Assign widget settings for the default form mode.
    $display_repository->getFormDisplay('block_content', $block_type_id)
      ->setComponent('body', [
      'type' => 'text_textarea_with_summary',
    ])
      ->save();
    // Assign display settings for default view mode.
    $display_repository->getViewDisplay('block_content', $block_type_id)
      ->setComponent('body', [
      'label' => 'hidden',
      'type' => 'text_default',
    ])
      ->save();
  }
  return $field;
}

/**
 * Utility function to find nested conditions using the reusable field.
 *
 * @todo Replace this function with a call to the API in
 *   https://www.drupal.org/project/drupal/issues/2984930
 *
 * @param array $condition
 *   The condition or condition group to check.
 * @param array $tables
 *   The tables from the related select query.
 *
 * @see \Drupal\Core\Database\Query\SelectInterface::getTables
 *
 * @return bool
 *   Whether the conditions contain any condition using the reusable field.
 */
function _block_content_has_reusable_condition(array $condition, array $tables) {
  // If this is a condition group call this function recursively for each nested
  // condition until a condition is found that return TRUE.
  if (isset($condition['#conjunction'])) {
    foreach (array_filter($condition, 'is_array') as $nested_condition) {
      if (_block_content_has_reusable_condition($nested_condition, $tables)) {
        return TRUE;
      }
    }
    return FALSE;
  }
  if (isset($condition['field'])) {
    $field = $condition['field'];
    if (is_object($field) && $field instanceof ConditionInterface) {
      return _block_content_has_reusable_condition($field->conditions(), $tables);
    }
    $field_parts = explode('.', $field);
    $data_table = \Drupal::entityTypeManager()->getDefinition('block_content')
      ->getDataTable();
    foreach ($tables as $table) {
      if ($table['table'] === $data_table && $field_parts[0] === $table['alias'] && $field_parts[1] === 'reusable') {
        return TRUE;
      }
    }
  }
  return FALSE;
}