mixin.php

<?php

namespace Civi\Mixin\EntityTypesXmlV1;

class Loader {

  private \CRM_Extension_MixInfo $mixInfo;

  public function __construct(\CRM_Extension_MixInfo $mixInfo) {
    $this->mixInfo = $mixInfo;
  }

  /**
   * @return \SimpleXMLElement[]
   */
  public function getEntityDefinitions(): array {
    $definitions = [];
    $files = (array) glob($this->mixInfo->getPath("xml/schema/CRM/*/*.xml"));
    foreach ($files as $file) {
      $dom = new \DomDocument();
      $xmlString = file_get_contents($file);
      $dom->loadXML($xmlString);
      $definition = simplexml_import_dom($dom);
      if (!$definition) {
        throw new \CRM_Core_Exception("Unable to load entity file $file");
      }
      $definitions[] = $definition;
    }
    return $definitions;
  }

}

/**
 * Auto-register entity declarations from `xml/schema/...*.xml`.
 *
 * @mixinName entity-types-xml
 * @mixinVersion 1.0.0
 * @since 5.71
 *
 * @param CRM_Extension_MixInfo $mixInfo
 *   On newer deployments, this will be an instance of MixInfo. On older deployments, Civix may polyfill with a work-a-like.
 * @param \CRM_Extension_BootCache $bootCache
 *   On newer deployments, this will be an instance of MixInfo. On older deployments, Civix may polyfill with a work-a-like.
 */
return function ($mixInfo, $bootCache) {

  /**
   * @param \Civi\Core\Event\GenericHookEvent $e
   * @implements CRM_Utils_Hook::entityTypes
   */
  Civi::dispatcher()->addListener('hook_civicrm_entityTypes', function ($e) use ($mixInfo) {
    // When deactivating on a polyfill/pre-mixin system, listeners may not cleanup automatically.
    if (!$mixInfo->isActive()) {
      return;
    }
    $loader = new Loader($mixInfo);

    foreach ($loader->getEntityDefinitions() as $definition) {
      $shortName = trim((string) $definition->class);
      $base = str_replace('/', '_', trim((string) $definition->base));
      $e->entityTypes[$shortName] = [
        'name' => $shortName,
        'class' => $base . '_DAO_' . $shortName,
        'table' => trim((string) $definition->name),
      ];
    }
  });

};