rating_manager.inc

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<?php
class RatingManager
{
     function RatingManager()
     {
 
     }
 
     static function setDefaults()
     {
          //TODO: Set default configuration parameters here
     }
 
     static function getCurrentUserPageRating()
     {
          global $user;
          $url = Fakoli::$requestURI;
 
          if (!$user) return null;
          
          try 
          {
               $rating = Query::create(PageRating, "WHERE url=:u and user_id=:id")
                                 ->bind(":u", $url, ":id", $user->get($user->getPrimaryKey()))
                                 ->executeSingle();
          } 
          catch (DataNotFoundException $e) 
          {
               return null;
          }
          
          return $rating;
     }
     
     static function getCurrentPageRatingStatistics()
     {
          $url = Fakoli::$requestURI;
          
          try
          {
               $rating = PageRatingStatistics::fromURL($url);
          }
          catch(DataNotFoundException $e)
          {
               $rating = new PageRatingStatistics();
               $rating->url = $url;
          }
          
          return $rating;
     }
     
     static function drawRatingWidget($obj = null)
     {
          global $user;
          global $script;
          
          $ratingStats = RatingManager::getCurrentPageRatingStatistics();
          $userRating = RatingManager::getCurrentUserPageRating();
          
          $options = "readOnly: ". (($userRating || !$user) ? "true" : "false");
     
          if ($obj)
          {
               $name = $obj->prettifyClassName();
               $options .= ", title: 'Rate this $name', readOnlyTitle: '$name Rating', loginMessage: 'Log in to rate this $name'";
          }
               
          $url = Fakoli::$requestURI;
          
          $script .= <<<ENDSCRIPT
<script type='text/javascript'>
window.addEvent('load', function()
{
     new PageRating("page_rating_widget", '{$url}', {$ratingStats->average_rating}, {$ratingStats->number_of_ratings}, {{$options}});
});
</script>
ENDSCRIPT;
?>
<div id="page_rating_widget"></div>
<?
     }
     
     static function upgradeComponent($version)
     {
          $mgr = new RatingUpgradeManager();
          $mgr->upgrade($version);
     }
}
?>