<?php
class Post {
  private $tpl;
  private $infos;
  private $mess;
  private $dateFormatee;
  private $url;
  private $commentLabel;
  private $mood;
  private $tags;

  public function __construct($infos) {
    $this->infos = (object)$infos;

    // Récupération du template
    $this->tpl = new Template('post.xml');

    // Création du document fragment contenant le message
    $Mess = str_replace(
                    array('<P>', '</P>'), 
                    array('<p>', '</p>'), 
                    $infos['Message']);
    $Mess = Factory::getDB()->utf8_ensure($Mess);
    $this->mess = $this->tpl->getDocumentFragment();
    $this->mess->appendXML($Mess);
    
    // Formatage de la date
    $time = strtotime($infos['DatePost']);
    $this->dateFormatee = strftime("%A %d %B %Y, %Hh%M", $time);
    
    // On détermine l'url de ce post
    $strippedTitle = TextUtils::StripTitle($infos['Titre']);
    $this->url = '/blog/posts/' . $infos['num_mess'] . '-' . $strippedTitle;

   // On détermine le label du lien vers les commentaires
   $this->commentLabel = "Un p'tit commentaire ?";
   if($infos['NbCommentaires'] > 0)
        $this->commentLabel .= " (" . $infos['NbCommentaires'] . ")";

   // On s'occupe de l'indicateur d'humeur
   if(!empty($infos['Emot'])) {
        $mood = array('src' => "/blog/mood/{$infos['Emot']}.png",
                      'alt' => 'Mood: ' . $infos['Emot']);
        $this->mood = (object)$mood;
   }

   // On détermine les tags du post
   $db = Factory::getDB();
   $nbTags = $db->Query("
	    SELECT T.Tag
	    FROM Tags T, Lien_Tags_Posts L
	    WHERE L.idMess={$infos['num_mess']} AND  L.idTag = T.idTag
	    ORDER BY T.Tag
      ", 2);
   $tags = '';
   if($nbTags > 0)
   {
	    while(0 !== ($tag = $db->GetRow(2)))
	        $tags .= " <a href='/blog/tags/{$tag['Tag']}'>{$tag['Tag']}</a> |";
	    $tags = substr($tags, 0, -1);
        $this->tags = $this->tpl->getDocumentFragment();
        $this->tags->appendXML($tags);
   }
   else {
        $this->tags = 'aucun';
   }
  }

  public function format() {
    $params = array(
        '#post@class' => 'PostContent ' . $this->infos->Emot,
        'postTitle' => $this->infos->Titre,
        'postDate' => $this->dateFormatee,
        'postContent' => $this->mess,
        'postNumber' => $this->infos->num_mess,
        'postComments' => $this->commentLabel,
        '#linkPostNumber@href' => $this->url,
        '#linkPostComments@href' => $this->url,
        'postTags' => $this->tags
     );
     if(!empty($this->mood->src)) {
        $params['#mood@src'] = $this->mood->src;
        $params['#mood@alt'] = $this->mood->alt;
        $params['#mood@class'] = 'mood';
     }
     $this->tpl->setParams($params);
     return $this->tpl;
  }
}
?>