apiclient.inc in Video 5

Some functions for using video hosting providers api (Youtube, Google Video, etc..) Part of this code has been inspired by the video_cck module and adapted for the video module by jyamada1

@author Fabio Varesano <fvaresano at yahoo dot it>

File

includes/apiclient.inc

<?php

/**
 * @file
 * Some functions for using video hosting providers api (Youtube, Google Video, etc..)
 * Part of this code has been inspired by the video_cck module and adapted
 * for the video module by jyamada1
 *
 * @author Fabio Varesano <fvaresano at yahoo dot it>
 */

/**
* When an include file requires to read an xml to receive information, such as for thumbnails,
* this script can be used to request the xml and return it as an array.
* Note that this is a modified function from the flickr.module, made to handle this type of
* call more generically. also, i suspect it could be done easier (and more quickly) in php 5.
*   @param $provider
*     the string of the third party provider, such as 'youtube' or 'google'
*   @param $url
*     the url for the xml request
*   @param $args
*     an array of args to pass to the xml url
*   @param $cacheable
*     optional; if true, the result of this xml request will be cached. good to play nice w/
*     the third party folks so they don't stop providing service to your site...
*   @return
*     the xml results returned as an array
*/
function _video_apiclient_request_xml($provider, $url, $args = array(), $cacheable = true) {
  ksort($args);

  // build an argument hash that we'll use for the cache id and api signing
  $arghash = $provider . ':';
  foreach ($args as $k => $v) {
    $arghash .= $k . $v;
  }

  // build the url
  foreach ($args as $k => $v) {
    $encoded_params[] = urlencode($k) . '=' . urlencode($v);
  }
  $url .= '?' . implode('&', $encoded_params);

  // if it's a cachable request, try to load a cached value
  if ($cacheable) {
    if ($cache = cache_get($arghash, 'cache')) {
      return unserialize($cache->data);
    }
  }

  // connect and fetch a value
  $result = drupal_http_request($url);
  if ($result->code == 200) {
    $parser = drupal_xml_parser_create($result->data);
    $vals = array();
    $index = array();
    xml_parse_into_struct($parser, $result->data, $vals, $index);
    xml_parser_free($parser);
    $params = array();
    $level = array();
    $start_level = 1;
    foreach ($vals as $xml_elem) {
      if ($xml_elem['type'] == 'open') {
        if (array_key_exists('attributes', $xml_elem)) {
          list($level[$xml_elem['level']], $extra) = array_values($xml_elem['attributes']);
        }
        else {
          $level[$xml_elem['level']] = $xml_elem['tag'];
        }
      }
      if ($xml_elem['type'] == 'complete') {
        $php_stmt = '$params';
        while ($start_level < $xml_elem['level']) {
          $php_stmt .= '[$level[' . $start_level . ']]';
          $start_level++;
        }
        $php_stmt .= '[$xml_elem[\'tag\']][] = $xml_elem[\'value\'];';
        eval($php_stmt);
        $start_level--;
      }
    }

    // save a cacheable result for future use
    if ($cacheable) {
      cache_set($arghash, 'cache', serialize($params), time() + 3600);
    }
    return $params;
  }
  return array();
}

/**
* Create a file object from thumbnail images from providers
*  to allow for automatic thumbnailing of videos from providers
*  @param $node
*    the video node being called
*  @return
*    a file object containing the thumbnail file
*/

/*
function _video_apiclient_provider_auto_thumbnail($node) {
 // get thumbnail url
 if(_video_get_filetype($node->vidfile) == 'youtube') {
   $thumbnail = _video_apiclient_youtube_thumbnail($node->vidfile);
 }
 else {
   $thumbnail = _video_apiclient_google_thumbnail($node->vidfile);
 }

 // save image to temp directory for processing
 $image = image_gd_open($thumbnail, 'jpeg');
 $location = file_directory_temp() .'/'. $node->vidfile .'.jpg';
 image_gd_close($image, $location, 'jpeg');


 // get info and build a file object
 $filepath = file_create_path($location, file_directory_temp());
 $info = image_get_info($filepath);

 $file = new stdClass();
 $file->filepath = realpath($filepath);
 $file->filename = basename($file->filepath);
 $file->filesize = $info['file_size'];
 $file->filemime = $info['mime_type'];

 return $file;
}
*/

Functions

Name	Description
_video_apiclient_request_xml	When an include file requires to read an xml to receive information, such as for thumbnails, this script can be used to request the xml and return it as an array. Note that this is a modified function from the flickr.module, made to handle this type…