/[drupal]/contributions/modules/video/includes/apiclient.inc
ViewVC logotype

Diff of /contributions/modules/video/includes/apiclient.inc

Parent Directory Parent Directory | Revision Log Revision Log | View Revision Graph Revision Graph | View Patch Patch

revision 1.2.4.1, Wed May 27 01:48:28 2009 UTC revision 1.2.4.2, Sat Nov 7 17:00:19 2009 UTC
# Line 1  Line 1 
1  <?php  <?php
2  //$Id$  //$Id: apiclient.inc,v 1.2.4.1 2009/05/27 01:48:28 heshanmw Exp $
3  /**  /**
4   * @file   * @file
5   * Some functions for using video hosting providers api (Youtube, Google Video, etc..)   * Some functions for using video hosting providers api (Youtube, Google Video, etc..)
# Line 7  Line 7 
7   * for the video module by jyamada1   * for the video module by jyamada1
8   *   *
9   * @author Fabio Varesano <fvaresano at yahoo dot it>   * @author Fabio Varesano <fvaresano at yahoo dot it>
10   * porting to Drupal 6   * @author Heshan Wanigasooriya <heshan at heidisoft.com><heshanmw at gmail dot com>
  * @author Heshan Wanigasooriya <heshan at heidisoft.com><heshanmw@gmail.com>  
11   * @todo   * @todo
12   */   */
13    
14    function _video_apiclient_youtube_video_entry($id, $cacheable = TRUE) {
15      _video_apiclient_youtube_init('youtube');
16      //initialize Gdata lib
17      $yt = new Zend_Gdata_YouTube();
18      // set API version
19      $yt->setMajorProtocolVersion(2);
20      // if it's a cachable request, try to load a cached value
21      if ($cacheable) {
22        if ($cache = cache_get($id, 'cache')) {
23          return unserialize($cache->data);
24        }
25      }
26      //get video entried
27      $videoEntry = $yt->getVideoEntry($id);
28      // save a cacheable result for future use
29      if ($cacheable) {
30        cache_set($id, serialize($videoEntry), 'cache', time() + 3600);
31      }
32    }
33    
34    /**
35     * function to include necessary Zend Gdata libraries.
36     */
37    function _video_apiclient_youtube_init($op) {
38      // Include Zend loader class.
39      //TODO :  move Zend to the library folder
40      if (@include_once('youtube/Zend/Loader.php')) {
41        switch ($op) {
42        case 'authenticate' :
43          Zend_Loader::loadClass('Zend_Gdata_ClientLogin');
44          break;
45        case 'youtube' :
46          Zend_Loader::loadClass('Zend_Gdata_YouTube');
47          break;
48        }
49        return TRUE;
50      }
51      else {
52        watchdog('youtbe_video', "Couldn't find the Zend client libraries.", array(), WATCHDOG_ERROR);
53      }
54    }
55    
56    
57  /**  /**
58  * When an include file requires to read an xml to receive information, such as for thumbnails,   * When an include file requires to read an xml to receive information, such as for thumbnails,
59  * this script can be used to request the xml and return it as an array.   * this script can be used to request the xml and return it as an array.
60  * Note that this is a modified function from the flickr.module, made to handle this type of   * Note that this is a modified function from the flickr.module, made to handle this type of
61  * call more generically. also, i suspect it could be done easier (and more quickly) in php 5.   * call more generically. also, i suspect it could be done easier (and more quickly) in php 5.
62  *   @param $provider   *   @param $provider
63  *     the string of the third party provider, such as 'youtube' or 'google'   *     the string of the third party provider, such as 'youtube' or 'google'
64  *   @param $url   *   @param $url
65  *     the url for the xml request   *     the url for the xml request
66  *   @param $args   *   @param $args
67  *     an array of args to pass to the xml url   *     an array of args to pass to the xml url
68  *   @param $cacheable   *   @param $cacheable
69  *     optional; if true, the result of this xml request will be cached. good to play nice w/   *     optional; if true, the result of this xml request will be cached. good to play nice w/
70  *     the third party folks so they don't stop providing service to your site...   *     the third party folks so they don't stop providing service to your site...
71  *   @return   *   @return
72  *     the xml results returned as an array   *     the xml results returned as an array
73  */   */
74  function _video_apiclient_request_xml($provider, $url, $args = array(), $cacheable = true) {  function _video_apiclient_request_xml($provider, $url, $args = array(), $cacheable = true) {
75   ksort($args);    ksort($args);
76    
77   // build an argument hash that we'll use for the cache id and api signing    // build an argument hash that we'll use for the cache id and api signing
78   $arghash = $provider . ':';    $arghash = $provider . ':';
79   foreach($args as $k => $v){    foreach($args as $k => $v) {
80     $arghash .= $k . $v;      $arghash .= $k . $v;
81   }    }
82    
83   // build the url    // build the url
84   foreach ($args as $k => $v){    foreach ($args as $k => $v) {
85     $encoded_params[] = urlencode($k).'='.urlencode($v);      $encoded_params[] = urlencode($k).'='.urlencode($v);
86   }    }
87   $url .= '?'. implode('&', $encoded_params);    $url .= '?'. implode('&', $encoded_params);
88    
89   // if it's a cachable request, try to load a cached value    // if it's a cachable request, try to load a cached value
90   if ($cacheable) {    if ($cacheable) {
91     if ($cache = cache_get($arghash, 'cache')) {      if ($cache = cache_get($arghash, 'cache')) {
92       return unserialize($cache->data);        return unserialize($cache->data);
93     }      }
94   }    }
95    
96   // connect and fetch a value    // connect and fetch a value
97   $result = drupal_http_request($url);    $result = drupal_http_request($url);
98    
99   if ($result->code == 200) {    if ($result->code == 200) {
100     $parser = drupal_xml_parser_create($result->data);      $parser = drupal_xml_parser_create($result->data);
101     $vals = array();      $vals = array();
102     $index = array();      $index = array();
103     xml_parse_into_struct($parser, $result->data, $vals, $index);      xml_parse_into_struct($parser, $result->data, $vals, $index);
104     xml_parser_free($parser);      xml_parser_free($parser);
105    
106     $params = array();      $params = array();
107     $level = array();      $level = array();
108     $start_level = 1;      $start_level = 1;
109     foreach ($vals as $xml_elem) {      foreach ($vals as $xml_elem) {
110       if ($xml_elem['type'] == 'open') {        if ($xml_elem['type'] == 'open') {
111         if (array_key_exists('attributes',$xml_elem)) {          if (array_key_exists('attributes',$xml_elem)) {
112           list($level[$xml_elem['level']],$extra) = array_values($xml_elem['attributes']);            list($level[$xml_elem['level']],$extra) = array_values($xml_elem['attributes']);
113         } else {          } else {
114           $level[$xml_elem['level']] = $xml_elem['tag'];            $level[$xml_elem['level']] = $xml_elem['tag'];
115         }          }
116       }        }
117       if ($xml_elem['type'] == 'complete') {        if ($xml_elem['type'] == 'complete') {
118         $php_stmt = '$params';          $php_stmt = '$params';
119         while($start_level < $xml_elem['level']) {          while($start_level < $xml_elem['level']) {
120           $php_stmt .= '[$level['.$start_level.']]';            $php_stmt .= '[$level['.$start_level.']]';
121           $start_level ++;            $start_level ++;
122            }
123            $php_stmt .= '[$xml_elem[\'tag\']][] = $xml_elem[\'value\'];';
124            eval($php_stmt);
125            $start_level--;
126        }        }
       $php_stmt .= '[$xml_elem[\'tag\']][] = $xml_elem[\'value\'];';  
       eval($php_stmt);  
       $start_level--;  
127      }      }
   }  
128    
129    // save a cacheable result for future use      // save a cacheable result for future use
130     if ($cacheable) {      if ($cacheable) {
131       cache_set($arghash, 'cache', time() + 3600, serialize($params));        cache_set($arghash, serialize($params), 'cache', time() + 3600);
132     }      }
133     return $params;      return $params;
134   }    }
135   return array();    return array();
136  }  }
137    
138    
139  /**  /**
140  * Create a file object from thumbnail images from providers   * Create a file object from thumbnail images from providers
141  *  to allow for automatic thumbnailing of videos from providers   *  to allow for automatic thumbnailing of videos from providers
142  *  @param $node   *  @param $node
143  *    the video node being called   *    the video node being called
144  *  @return   *  @return
145  *    a file object containing the thumbnail file   *    a file object containing the thumbnail file
146  */   */
147  /*  /*
148  function _video_apiclient_provider_auto_thumbnail($node) {  function _video_apiclient_provider_auto_thumbnail($node) {
149   // get thumbnail url   // get thumbnail url
Legend:
Removed from v.1.2.4.1  
changed lines
  Added in v.1.2.4.2
  ViewVC Help
Powered by ViewVC 1.1.2