external_entities-8.x-2.x-dev/modules/xntt_file_field/xntt_file_field.install

<?php

/**
 * @file
 * Install, update and uninstall functions for the xntt_file_field module.
 */

/**
 * Upgrade file field mapper configs.
 */
function xntt_file_field_update_10301(&$sandbox) {
  $xntt_storage = \Drupal::entityTypeManager()
    ->getStorage('external_entity_type');
  $xntt_types = $xntt_storage
    ->getQuery()
    ->accessCheck(FALSE)
    ->execute();

  // Loop on external entity types.
  foreach ($xntt_types as $entity_type_id) {
    // Upgrade file field mapper settings by transfering the mapping of the
    // value of the URI field to the new real_uri property mapping.
    /** @var \Drupal\Core\Config\Config $config */
    $config = \Drupal::configFactory()->getEditable(
      "external_entities.external_entity_type.{$entity_type_id}"
    );
    $need_update = FALSE;
    $fm_configs = $config->get('field_mappers') ?? [];
    foreach ($fm_configs as $field_id => $fm_config) {
      // Only process file field mappers.
      if ($fm_config['id'] === 'file') {
        // Add 'property_mappings' key if not present.
        if (!isset($fm_config['config']['property_mappings'])) {
          $fm_config['config']['property_mappings'] = [
            'real_uri' => [],
          ];
          $need_update = TRUE;
        }
        // Get file URI field mapping.
        $uri_field = $fm_config['config']['uri'] ?? '';
        if (!empty($uri_field)
            && !empty($fm_configs[$uri_field]['id'])
            && empty($fm_config['config']['property_mappings']['real_uri'])
        ) {
          // We got a mapped field for URI, get its value mapping (either
          // 'value' or 'uri' in case of LinkItem fields).
          $uri_mapping =
            $fm_configs[$uri_field]['config']['property_mappings']['value']
            ?? $fm_configs[$uri_field]['config']['property_mappings']['uri']
            ?? [];
          $fm_config['config']['property_mappings']['real_uri'] = $uri_mapping;
          unset($fm_config['config']['uri']);
          $need_update = TRUE;
        }
        unset($fm_config['config']['fid']);
      }
      $fm_configs[$field_id] = $fm_config;
    }

    if ($need_update) {
      $config->set('field_mappers', $fm_configs);
      $config->save();
    }
  }
}