<?php
class guestbook {
        private $file_name;
        private $xml;
        private $smarty;
        
        function __construct($filename, $smarty) {
            $this->file_name = $filename;
            $this->smarty = $smarty;
            $this->xml = simplexml_load_file($this->file_name);
        }
        
        
        public function printFile() {                          
            $mine_hilsner = array();
            $i=0;         
            /* Hent ut info om hver hilsen, lagre dette i assosiativ tabell og overfør til Smarty  */
            foreach ($this->xml->hilsen as $hilsen) {

                $mine_hilsner[$i] = array('tittel' => utf8_decode($hilsen->tittel), 'tekst' => utf8_decode($hilsen->tekst)
                                    , 'web' => utf8_decode($hilsen->web), 'dato' => utf8_decode($hilsen->dato));
                $i++;
            }
            $this->smarty->assign('gjestebok_poster', array_reverse($mine_hilsner)); 
            $this->smarty->display('visGjestebok.tpl');
        }
            
        public function addToFile( hilsen $post) {  
            
            $nytt_innlegg = $this->xml->addChild('hilsen');
            $nytt_innlegg->addChild("tittel",utf8_encode($post->visTittel()));
            $nytt_innlegg->addChild("web",utf8_encode($post->visUrl()));
            $nytt_innlegg->addChild("tekst",utf8_encode($post->visTekst()));
            $nytt_innlegg->addChild("dato",utf8_encode($post->visDato()));
                       
            $status = $this->xml->asXml($this->file_name);
            if(!$status) print ("Error during save of XML document");

        }

    }
?>