franck@0: <?php
franck@0: define('DAILYMOTION_RSS', 'http://www.dailymotion.com/rss/');
franck@0: define('NS_MEDIA',              'http://search.yahoo.com/mrss');
franck@0: define('NS_DM',                 'http://www.dailymotion.com/dmrss');
franck@0: 
franck@0: /**
franck@0:  * Implements hook_scald_providers.
franck@0:  * Tell Scald that we'll be providing some video atoms.
franck@0:  */
franck@0: function scald_dailymotion_scald_provider() {
franck@0:   return array(
franck@0:     'atoms' => array(
franck@0:       'video' => array('A video hosted on DailyMotion')
franck@0:     )
franck@0:   );
franck@0: }
franck@0: 
franck@0: /**
franck@0:  * Implements hook_scald_fetch.
franck@0:  */
franck@0: function scald_dailymotion_scald_fetch(&$atom) {
franck@0:   $atom->thumbnail_source = file_directory_path() . '/dailymotion/'. $atom->base_id .'.jpg';
franck@0:   $atom->file_source = $atom->thumbnail_source;
franck@0: }
franck@0: 
franck@0: /**
franck@0:  * Implements hook_scald_prerender.
franck@0:  */
franck@0: function scald_dailymotion_scald_prerender(&$atom, $context, $options, $type) {
franck@0:   if ($type == 'atom') {
franck@0:     if ($context != 'sdl_library_item') {
franck@0:       $atom->rendered->player = theme('scald_dailymotion_player', $atom->base_id, $atom->thumbnail_source);
franck@0:     }
franck@0:   }
franck@0: }
franck@0: 
franck@0: /**
franck@0:  * Implements hook_theme.
franck@0:  */
franck@0: function scald_dailymotion_theme() {
franck@0:   return array(
franck@0:     'scald_dailymotion_player' => array(
franck@0:       'arguments' => array('video' => NULL, 'thumbnail' => NULL),
franck@0:       'template' => 'scald_dailymotion_player'
franck@0:     )
franck@0:   );
franck@0: }
franck@0: 
franck@0: /**
franck@2:  * Creates an atom based on a DailyMotion video id or an object
franck@2:  * containing the video informations..
franck@2:  * @param $video
franck@2:  *   Unique identifier of the video on dailymotion, or object
franck@2:  *   returned by scald_dailymotion_video.
franck@0:  * @return integer
franck@0:  *   Unique identifier of the new atom
franck@0:  */
franck@2: function scald_dailymotion_register($video) {
franck@0:   global $user;
franck@0:   // Fetch the needed informations from DailyMotion
franck@2:   if (is_object($video)) {
franck@2:     $infos = $video;
franck@2:   }
franck@2:   else {
franck@2:     $infos = scald_dailymotion_video($video);
franck@2:   }
franck@2:   // Check if the video has already been imported to prevent duplicated
franck@2:   $old = scald_dailymotion_already_imported($infos->id);
franck@2:   if ($old) {
franck@2:     return $old;
franck@2:   }
franck@0:   // Download a copy of the video thumbnail. This makes it possible
franck@0:   // to do interesting things when used with ImageCache for example.
franck@0:   $thumb = drupal_http_request($infos->thumbnail['src']);
franck@0:   $dir = file_directory_path() . '/dailymotion';
franck@0:   if ($thumb->code == 200 && file_check_directory($dir)) {
franck@0:     $dest = $dir . '/' . $infos->id . '.jpg';
franck@0:     $file = file_save_data($thumb->data, $dest);
franck@0:     if ($file) {
franck@0:       file_set_status($file, FILE_STATUS_PERMANENT);
franck@0:     }
franck@0:   }
franck@0:   // Create an atom
franck@0:   $atom = new stdClass;
franck@0:   $atom->type      = 'video';
franck@0:   $atom->provider  = 'scald_dailymotion';
franck@0:   $atom->base_id   = $infos->id;
franck@0:   $atom->publisher = $user->uid;
franck@0:   $atom->title     = $infos->title;
franck@0:   $aid = scald_author_get_id(array('name' => $infos->author));
franck@0:   $atom->authors   = array($aid);
franck@0:   // And save it
franck@0:   $atom_sid = scald_register_atom((array)$atom);
franck@0:   // Finally, return this id
franck@0:   return $atom_sid;
franck@0: }
franck@0: 
franck@0: /**
franck@0:  * Analyze a DailyMotion RSS feed, reformating the informations about its
franck@0:  * items in an easy to manipulate objects containing the informations we're
franck@0:  * interested in.
franck@0:  * @param $type
franck@0:  *   DailyMotion RSS feed type. Examples include 'user', 'video', 'tag'...
franck@0:  * @param $id
franck@0:  *   The identifier, related to the type mentionned above. If you're requestion
franck@0:  *   a user feed, then, its the username...
franck@0:  * @return array
franck@0:  *   Each array value is an object containing the following members:
franck@0:  *     - id: the DailyMotion video id
franck@0:  *     - author: the DailyMotion username of the user who uploaded the video
franck@0:  *     - title: the video title
franck@0:  *     - thumbnail: an associative array, containing the source ('src'), width
franck@0:  *       and height of the video's thumbnail
franck@0:  *     - pubDate: the publication date of the video
franck@0:  */
franck@0: function scald_dailymotion_feed($type, $id) {
franck@0:   $url = DAILYMOTION_RSS . $type .'/'. $id;
franck@0:   $xml = drupal_http_request($url);
franck@0:   $items = array();
franck@0:   if ($xml->code != 404 && !empty($xml->data)) {
franck@0:     $dom = DOMDocument::loadXML($xml->data);
franck@0:     if ($dom) {
franck@0:       foreach($dom->getElementsByTagName('item') as $item) {
franck@0:         $info = new stdClass();
franck@0:         // Fetch from the feed
franck@0:         // ... the video id
franck@0:         $info->id = $item->getElementsByTagNameNS(NS_DM, 'id')->item(0)->nodeValue;
franck@0:         // ... its title
franck@0:         $title = $item->getElementsByTagName('title')->item(0);
franck@0:         $info->title = $title->nodeValue;
franck@0:         // ... and usefull informations about its thumbnails
franck@0:         $thumb = $item->getElementsByTagNameNS(NS_MEDIA, 'thumbnail')->item(0);
franck@0:         $info->thumbnail = array(
franck@0:           'src'    => $thumb->getAttribute('url'),
franck@0:           'width'  => $thumb->getAttribute('width'),
franck@0:           'height' => $thumb->getAttribute('height')
franck@0:         );
franck@0:         // ... also get the author
franck@0:         $info->author = $item->getElementsByTagNameNS(NS_DM, 'author')->item(0)->nodeValue;
franck@0:         // ... and the publication date
franck@0:         $info->pubDate = date('c', strtotime($item->getElementsByTagName('pubDate')->item(0)->nodeValue));
franck@1:         $items[] = $info;
franck@0:       }
franck@0:     }
franck@0:   }
franck@0:   return $items;
franck@0: }
franck@0: 
franck@0: /**
franck@0:  * Get information on a specific video.
franck@0:  * @param $id
franck@0:  *   The video id
franck@0:  * @return object
franck@0:  *   An object containing the video informations. For information on
franck@0:  *   the object format, see @scald_dailymotion_feed.
franck@0:  */
franck@0: function scald_dailymotion_video($id) {
franck@0:   $items = scald_dailymotion_feed('video', $id);
franck@0:   return $items[0];
franck@0: }
franck@2: 
franck@2: /**
franck@2:  * Checks if a video has already been imported, based on its video
franck@2:  * id.
franck@2:  * @param $id
franck@2:  *   The video identifier
franck@2:  * @return mixed
franck@2:  *   FALSE if the video was never imported, the scald identifier of
franck@2:  *   the video otherwise.
franck@2:  */
franck@2: function scald_dailymotion_already_imported($id) {
franck@2:   $query = array('provider' => 'scald_dailymotion', 'base_id' => $id);
franck@2:   return scald_search($query, FALSE, TRUE);
franck@2: }