FileHelper.php

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<?php
 
namespace Drupal\dkan_harvest\Load;
 
use Drupal\Core\File\FileSystemInterface;
 
class FileHelper implements IFileHelper {
 
  public function getRealPath($path) {
    return \Drupal::service('file_system')
      ->realpath($path);
  }
 
  public function prepareDir(&$directory, $options = FileSystemInterface::CREATE_DIRECTORY) {
    return \Drupal::service('file_system')->prepareDirectory($directory, $options);
  }
 
  public function retrieveFile($url, $destination = NULL, $managed = FALSE) {
    if (substr_count($url, "file://") > 0) {
 
      $src = str_replace("file://", "", $url);
 
      $pieces = parse_url($url);
      $path = explode("/", $pieces['path']);
      $filename = end($path);
 
      $dest = $this->getRealPath($destination) . "/{$filename}";
 
      copy($src, $dest);
 
      $url = file_create_url("{$destination}/{$filename}");
 
      return $url;
    }
    else {
      return system_retrieve_file($url, $destination, $managed, FileSystemInterface::EXISTS_REPLACE);
    }
  }
 
  public function fileCreate($uri) {
    return file_create_url($uri);
  }
 
  public function defaultSchemeDirectory() {
    // @todo this might not always work.
    //   Considering s3fs or others that don't live on disk
    return $this->getRealPath(
                    \Drupal::config('system.file')
                      ->get('default_scheme') . "://"
    );
  }
 
  public function fileGetContents($path) {
    return (is_readable($path) && is_file($path))
    ? file_get_contents($path)
    : NULL;
  }
 
  public function filePutContents($path, $content) {
    return file_put_contents($path, $content);
  }
 
  public function fileDelete($uri) {
    if (file_exists($uri)) {
      unlink($uri);
    }
  }
 
  public function fileGlob($pattern, $flags = 0) {
    return glob($pattern, $flags);
  }
 
}