MediaSoundCloudStreamWrapper.inc in Media: SoundCloud 7.2

Extends the MediaReadOnlyStreamWrapper class to handle SoundCloud audio.

File

includes/MediaSoundCloudStreamWrapper.inc

<?php

/**
 *  @file
 *  Extends the MediaReadOnlyStreamWrapper class to handle SoundCloud audio.
 */

/**
 *  Create an instance like this:
 *  $soundcloud = new MediaSoundCloudStreamWrapper('soundcloud://u/[user-name]/a/[audio-code]');
 */
class MediaSoundCloudStreamWrapper extends MediaReadOnlyStreamWrapper {
  protected $base_url = 'http://soundcloud.com/';
  protected $parameters = array(
    'u',
    'a',
    'g',
    's',
  );
  static function getMimeType($uri, $mapping = NULL) {
    return 'audio/soundcloud';
  }
  function interpolateUrl() {
    $url = "";

    // User.
    if (isset($this->parameters['u'])) {
      $url = $this->base_url . check_plain($this->parameters['u']);
    }

    // Group.
    if (isset($this->parameters['g'])) {
      $url = $this->base_url . 'groups/' . check_plain($this->parameters['g']);
    }

    // Single song.
    if (isset($this->parameters['u']) && isset($this->parameters['a'])) {
      $url = $this->base_url . check_plain($this->parameters['u']) . '/' . check_plain($this->parameters['a']);
    }

    // Audio sets.
    if (isset($this->parameters['u']) && isset($this->parameters['s'])) {
      $url = $this->base_url . check_plain($this->parameters['u']) . '/sets/' . check_plain($this->parameters['s']);
    }
    return $url;
  }
  function getOriginalThumbnailPath() {
    $parts = $this
      ->get_parameters();
    $uri = '';

    // User.
    if (isset($parts['u'])) {
      $uri = 'soundcloud://u/' . check_plain($parts['u']);
    }

    // Group.
    if (isset($parts['g'])) {
      $uri = 'soundcloud://g/' . check_plain($parts['g']);
    }

    // Single song.
    if (isset($parts['u']) && isset($parts['a'])) {
      $uri = 'soundcloud://u/' . check_plain($parts['u']) . '/a/' . check_plain($parts['a']);
    }

    // Audio sets.
    if (isset($parts['u']) && isset($parts['s'])) {
      $uri = 'soundcloud://u/' . check_plain($parts['u']) . '/s/' . check_plain($parts['s']);
    }
    $uri = file_stream_wrapper_uri_normalize($uri);
    $external_url = file_create_url($uri);
    $oembed_url = url('http://soundcloud.com/oembed', array(
      'query' => array(
        'url' => $external_url,
      ),
    ));
    $response = drupal_http_request($oembed_url);
    if (!isset($response->error)) {
      $data = new SimpleXMLElement($response->data);
      return $data->{'thumbnail-url'};
    }
    else {
      throw new Exception(t('Error Processing Request. (Error: %code, %error)', array(
        '%code' => $response->code,
        '%error' => $response->error,
      )));
    }
  }
  function getLocalThumbnailPath() {
    $parts = $this
      ->get_parameters();
    $local_path = file_default_scheme() . '://media-soundcloud';

    // User.
    if (isset($parts['u'])) {
      $local_path .= '/u/' . check_plain($parts['u']) . '.jpg';
    }

    // Group.
    if (isset($parts['g'])) {
      $local_path .= '/g/' . check_plain($parts['g']) . '.jpg';
    }

    // Single song.
    if (isset($parts['u']) && isset($parts['a'])) {
      $local_path .= '/u/' . check_plain($parts['u']) . '/a/' . check_plain($parts['a']) . '.jpg';
    }

    // Audio sets.
    if (isset($parts['u']) && isset($parts['s'])) {
      $local_path .= '/u/' . check_plain($parts['u']) . '/s/' . check_plain($parts['s']) . '.jpg';
    }
    if (!file_exists($local_path)) {

      // getOriginalThumbnailPath throws an exception if there are any errors
      // when retrieving the original thumbnail from SoundCloud.
      try {
        $dirname = drupal_dirname($local_path);
        file_prepare_directory($dirname, FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS);
        $response = drupal_http_request($this
          ->getOriginalThumbnailPath());
        if (!isset($response->error)) {
          file_unmanaged_save_data($response->data, $local_path, TRUE);
        }
        else {
          @copy($this
            ->getOriginalThumbnailPath(), $local_path);
        }
      } catch (Exception $e) {

        // In the event of an endpoint error, use the mime type icon provided
        // by the Media module.
        $file = file_uri_to_object($this->uri);
        $icon_dir = variable_get('media_icon_base_directory', 'public://media-icons') . '/' . variable_get('media_icon_set', 'default');
        $local_path = file_icon_path($file, $icon_dir);
      }
    }
    return $local_path;
  }

}

Classes

Name	Description
MediaSoundCloudStreamWrapper	Create an instance like this: $soundcloud = new MediaSoundCloudStreamWrapper('soundcloud://u/[user-name]/a/[audio-code]');