. * * @category Website * @package Photoshow * @author Thibaud Rohmer * @copyright 2011 Thibaud Rohmer * @license http://www.gnu.org/licenses/ * @link http://github.com/thibaud-rohmer/PhotoShow */ /** * Comments * * Implements the creating, reading, editing, and * displaying of the comments, from and to an xml * file. * The file is stored in * [Thumbs]/[imagepath]/.[image]_comments.xml * Comments Structure: * - Comment (multiple) contain: * - Login * - Date * - Content * * @category Website * @package Photoshow * @author Thibaud Rohmer * @copyright Thibaud Rohmer * @license http://www.gnu.org/licenses/ * @link http://github.com/thibaud-rohmer/PhotoShow */ class Comments implements HTMLObject { /// Array of the comments private $comments=array(); /// Path to item private $file; /// Path to comments file private $commentsfile; /// Urlencoded version of relative path to item private $webfile; /** * Read comments for item $file * * @param string $file * @author Thibaud Rohmer */ public function __construct($file=null){ /// No item, no comment ! if(!isset($file) || is_array($file)) return; /// Set variables $this->file = $file; $settings = new Settings(); $basefile = new File($file); $basepath = File::a2r($file); /// Urlencode basepath $this->webfile = urlencode(File::a2r($file)); /// Build relative path to comments file if(is_file($file)){ $comments = dirname($basepath)."/.".basename($file)."_comments.xml"; }else{ $comments = $basepath."/.comments.xml"; } /// Set absolute path to comments file $this->commentsfile = File::r2a($comments,Settings::$thumbs_dir); /// Check that comments file exists if(file_exists($this->commentsfile)){ $this->parse_comments_file(); } } /** * Add a comment for item $file * * @param string $file * @param string $login * @param string $comment * @author Thibaud Rohmer */ public static function add($file,$content,$login=""){ if($content == ""){ return; } if($login == ""){ if(isset(CurrentUser::$account)){ $login = CurrentUser::$account->login; }else{ $login = Settings::_("comments","anonymous"); } } /// Get existing comments $comments = new Comments($file); /// Create new comment $new_comm = new Comment($login,$content,date('j-m-y, h-i-s')); /// Append comment $comments->comments[] = $new_comm; $comments->save(); $comments->toMainCommentsFile(array_pop($comments->comments)); } /** * Delete a comment * * @param string $groupname * @return void * @author Thibaud Rohmer */ public static function delete($id){ $c = new Comments(CurrentUser::$path); $xml = simplexml_load_file($c->commentsfile); unset($xml->comment[(int)$id]); $xml->asXML($c->commentsfile); } public function save(){ $xml = new SimpleXMLElement(''); /// Treat each of the comments foreach ($this->comments as $comment){ $c = $xml->addChild("comment"); $c->addChild("login" , $comment->login); $c->addChild("date" , $comment->date); $c->addChild("content" , $comment->content); } if(!file_exists(dirname($this->commentsfile))){ @mkdir(dirname($this->commentsfile),0750,true); } /// Write xml $xml->asXML($this->commentsfile); } /** * Read contents of comments file, and * store comments in the comments array * * @return void * @author Thibaud Rohmer */ private function parse_comments_file(){ $xml = simplexml_load_file($this->commentsfile); foreach( $xml as $comm ){ $this->comments[]=new Comment((string)$comm->login,(string)$comm->content,(string)$comm->date,$this->file); } } private function toMainCommentsFile($comment){ $maincomm = Settings::$conf_dir."/comments.xml"; if(!file_exists($maincomm)){ $xml = new SimpleXMLElement(''); }else{ $xml = simplexml_load_file($maincomm); } $c = $xml->addChild("comment"); $c->addChild("login" , $comment->login); $c->addChild("date" , $comment->date); $c->addChild("content" , $comment->content); $c->addChild("webfile" , $this->webfile); $c->addChild("path" , File::a2r($this->file)); while($xml->count() > Settings::$max_comments){ unset($xml->comment[0]); } $xml->asXML($maincomm); } /** * Display comments on website * * @return void * @author Thibaud Rohmer */ public function toHTML(){ echo '

'.Settings::_("comments","comments").'

'; echo "

"; /// Display each comment $id=0; foreach($this->comments as $com){ $com->toHTML($id); $id++; } echo "

"; if(isset(CurrentUser::$account)){ echo "\n"; } } } ?>