<?php
/** DomFramework Blog
    @package domframework-blog
    @author Dominique Fournier <dominique@fournier38.fr> */

/** Model_file : store the blog datas in files */
class model_file
{
  /** The path where the blog articles files are stored */
  public $dataPath = "datas/";

  /** Return a provided article
      @param string|integer|null $articleid Teh article to display */
  function get ($articleid = FALSE)
  {
    $this->dataPath = realpath ($this->dataPath);
    if ($this->dataPath === FALSE)
      throw new Exception (_("Folder data not available"), 500);
    $fileArticle = $this->dataPath."/".$articleid;
    if (! file_exists ($fileArticle))
      throw new Exception (_("Article not found"), 404);
    $fileArticle = realpath ($fileArticle);
    if (substr ($fileArticle, 0, strlen ($this->dataPath)) !== $this->dataPath)
      throw new Exception (_("Asked article not in data path"), 404);
    if ($fileArticle === FALSE)
      throw new Exception (_("Article not found"), 404);
    return file_get_contents ($fileArticle);
  }

  /** Return a list of all the articles ID */
  function listing ()
  {
    $list = glob ($this->dataPath."/*");
    if ($list === FALSE || empty ($list))
      throw new Exception  (_("No article found"), 404);
    foreach ($list as $key=>$val)
      $list[$key] = basename ($val);
    return $list;
  }

}