BasicFieldSource.php in Feeds 8.3

Namespace

Drupal\feeds\Feeds\Source

File

src/Feeds/Source/BasicFieldSource.php

<?php

namespace Drupal\feeds\Feeds\Source;

use Drupal\feeds\FeedInterface;
use Drupal\feeds\Feeds\Item\ItemInterface;
use Drupal\feeds\FeedTypeInterface;
use Drupal\feeds\Plugin\Type\Source\SourceBase;

/**
 * A source plugin that provides feed type fields as mapping sources.
 *
 * @FeedsSource(
 *   id = "basic_field"
 * )
 */
class BasicFieldSource extends SourceBase {

  /**
   * {@inheritdoc}
   */
  public static function sources(array &$sources, FeedTypeInterface $feed_type, array $definition) {
    $field_definitions = \Drupal::service('entity_field.manager')
      ->getFieldDefinitions('feeds_feed', $feed_type
      ->id());
    foreach ($field_definitions as $field => $field_definition) {
      if (!$field_definition
        ->getFieldStorageDefinition()
        ->getMainPropertyName()) {

        // No main property known. Skip this field.
        continue;
      }
      $sources['parent:' . $field] = [
        'label' => t('Feed: @label', [
          '@label' => $field_definition
            ->getLabel(),
        ]),
        'description' => $field_definition
          ->getDescription(),
        'id' => $definition['id'],
      ];
    }
  }

  /**
   * {@inheritdoc}
   *
   * @todo I guess we could cache this since the value will be the same for
   *   source/feed id combo.
   */
  public function getSourceElement(FeedInterface $feed, ItemInterface $item) {
    list(, $field_name) = explode(':', $this->configuration['source']);
    $return = [];
    if ($field_list = $feed
      ->get($field_name)) {
      foreach ($field_list as $field) {
        $main_property_name = $field
          ->getFieldDefinition()
          ->getFieldStorageDefinition()
          ->getMainPropertyName();
        if ($main_property_name) {
          $return[] = $field->{$main_property_name};
        }
      }
    }
    return $return;
  }

}

Classes

Name	Description
BasicFieldSource	A source plugin that provides feed type fields as mapping sources.