jsonapi_extras-8.x-3.16/src/Plugin/ResourceFieldEnhancerManager.php

<?php

namespace Drupal\jsonapi_extras\Plugin;

use Drupal\Core\Cache\CacheBackendInterface;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\Plugin\DefaultPluginManager;

/**
 * Manages discovery and instantiation of resourceFieldEnhancer plugins.
 */
class ResourceFieldEnhancerManager extends DefaultPluginManager {

  /**
   * Constructs a new ResourceFieldEnhancerManager.
   *
   * @param \Traversable $namespaces
   *   An object that implements \Traversable which contains the root paths
   *   keyed by the corresponding namespace to look for plugin implementations.
   * @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
   *   Cache backend instance to use.
   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
   *   The module handler to invoke the alter hook with.
   */
  public function __construct(
    \Traversable $namespaces,
    CacheBackendInterface $cache_backend,
    ModuleHandlerInterface $module_handler,
  ) {
    parent::__construct(
      'Plugin/jsonapi/FieldEnhancer',
      $namespaces,
      $module_handler,
      'Drupal\jsonapi_extras\Plugin\ResourceFieldEnhancerInterface',
      'Drupal\jsonapi_extras\Attribute\ResourceFieldEnhancer',
      'Drupal\jsonapi_extras\Annotation\ResourceFieldEnhancer',
    );

    $this->alterInfo('resource_field_enhancer_info');
    $this->setCacheBackend($cache_backend, 'resource_field_enhancer_plugins');
  }

  /**
   * {@inheritdoc}
   */
  protected function alterDefinitions(&$definitions) {
    // Loop through all definitions.
    foreach ($definitions as $definition_key => $definition_info) {
      // Check to see if dependencies key is set.
      if (!empty($definition_info['dependencies'])) {
        $definition_dependencies = $definition_info['dependencies'];
        // Loop through dependencies to confirm if enabled.
        foreach ($definition_dependencies as $dependency) {
          // If dependency is not enabled removed from list of definitions.
          if (!$this->moduleHandler->moduleExists($dependency)) {
            unset($definitions[$definition_key]);
            continue;
          }
        }
      }
    }

    parent::alterDefinitions($definitions);
  }

}