File.php in YAML Content 8

Namespace

Drupal\yaml_content\Plugin\yaml_content\process

File

src/Plugin/yaml_content/process/File.php

<?php

namespace Drupal\yaml_content\Plugin\yaml_content\process;

use Drupal\Component\Render\PlainTextOutput;
use Drupal\Core\File\FileSystemInterface;
use Drupal\yaml_content\Plugin\ProcessingContext;
use Drupal\yaml_content\Plugin\YamlContentProcessBase;
use Drupal\yaml_content\Plugin\YamlContentProcessInterface;

/**
 * Plugin for processing and loading a file attachment.
 *
 * @YamlContentProcess(
 *   id = "file",
 *   title = @Translation("File Processor"),
 *   description = @Translation("Processing and loading a file attachment.")
 * )
 */
class File extends YamlContentProcessBase implements YamlContentProcessInterface {

  /**
   * {@inheritdoc}
   */
  public function process(ProcessingContext $context, array &$field_data) {
    $entity_type = $this->configuration[0];
    $filter_params = $this->configuration[1];
    $filename = $filter_params['filename'];
    $directory = '/data_files/';

    // If the entity type is an image, look in to the /images directory.
    if ($entity_type == 'image') {
      $directory = '/images/';
    }

    // TODO path not set.
    $output = file_get_contents($context
      ->getContentLoader()
      ->getContentPath() . $directory . $filename);
    if ($output !== FALSE) {
      $destination = 'public://';

      // Look-up the field's directory configuation.
      if ($directory = $context
        ->getField()
        ->getSetting('file_directory')) {
        $directory = trim($directory, '/');
        $directory = PlainTextOutput::renderFromHtml(\Drupal::token()
          ->replace($directory));
        if ($directory) {
          $destination .= $directory . '/';
        }
      }

      // Create the destination directory if it does not already exist.
      \Drupal::service('file_system')
        ->prepareDirectory($destination, FileSystemInterface::CREATE_DIRECTORY);

      // Save the file data or return an existing file.
      $file = file_save_data($output, $destination . $filename, FileSystemInterface::EXISTS_REPLACE);

      // Use the newly created file id as the value.
      $field_data['target_id'] = $file
        ->id();

      // Remove process data to avoid issues when setting the value.
      unset($field_data['#process']);
      return $file
        ->id();
    }
    $this
      ->throwParamError('Unable to process file content', $entity_type, $filter_params);
  }

}

Classes

Name	Description
File	Plugin for processing and loading a file attachment.