<?php

define("MAIN_DIR", __dir__."/..");

function get_info($url)
{
  $ec = file(MAIN_DIR."/database",FILE_IGNORE_NEW_LINES|FILE_SKIP_EMPTY_LINES);
  $nbLign = count($ec);

  for ($i = 0; $i < $nbLign; $i++)
  {
    if ($ec[$i] == $url)
      break;
    else
    {
      while ($i < $nbLign && trim($ec[$i]) != "--")
        $i++;
    }
  }

  if ($i+2 < $nbLign)
  {
    if ($ec[$i+3] == "-- ")
      @$filename = preg_replace("#^(.+)\.([a-zA-Z0-9]{1,4})$#", '\1.mp3', $ec[$i+2]);
    else
      @$filename = preg_replace("#^(.+)\.([a-zA-Z0-9]{1,4})$#", '\1.mp3', $ec[$i+3]);
    @$filenameogg = preg_replace("#^(.+)\.([a-zA-Z0-9]{1,4})$#", '\1.ogg', $filename);
    return @array($ec[$i], $ec[$i+1], $ec[$i+2], $ec[$i+3], trim($filename), trim($filenameogg));
  }
  else
    return NULL;
}

$user = "generic";
foreach ($_GET as $k => $t)
{
  if (empty($t))
  {
    $user = $k;
    break;
  }
}
if (!preg_match("#^[a-zA-Z0-9_]+$#", $user))
  die ("Le nom d'utilisateur contient des caractères interdits.");

header("Content-type: application/atom+xml;charset=utf-8");

$xml = new DOMDocument('1.0', 'UTF-8');
$xml->formatOutput = true;

$xml_feed = $xml->createElement("feed");
$xml_feed->setAttribute("xmlns", "http://www.w3.org/2005/Atom");

$xml_feed_link = $xml->createElement("link");
$xml_feed_link->setAttribute("rel", "self");
$xml_feed_link->setAttribute("href", "http://".$_SERVER["SERVER_NAME"].dirname($_SERVER["REQUEST_URI"])."atom.php?".$user);

$xml_feed_rights = $xml->createElement("rights", "Pommultimédia Online Converter");
$xml_feed_rights->setAttribute("type", "text");

$xml_feed_author = $xml->createElement("author");
$xml_feed_author->appendChild($xml->createElement("name", "nemunaire"));

$xml_feed->appendChild($xml->createElement("title", "Musiques téléchargées de ".$user));
$xml_feed->appendChild($xml->createElement("updated", date('c')));
$xml_feed->appendChild($xml->createElement("id", "http://musik.p0m.fr/atom.php?".$user));
$xml_feed->appendChild($xml_feed_link);
$xml_feed->appendChild($xml->createElement("generator", "Onyx Atom generator"));
$xml_feed->appendChild($xml_feed_rights);
$xml_feed->appendChild($xml_feed_author);

$files = array();
if (is_file(MAIN_DIR."/users/".$user.".dlist.done"))
{
  $ec = file(MAIN_DIR."/users/".$user.".dlist.done",FILE_IGNORE_NEW_LINES|FILE_SKIP_EMPTY_LINES);
  $cnt = 0;
  for ($i = count ($ec) - 1; $i >= 0 && $cnt < 10; $i--, $cnt++)
  {
    $musik = get_info($ec[$i]);
    if (isset($musik) && (is_file (MAIN_DIR."/content/".$musik[4]) || is_file (MAIN_DIR."/content/".$musik[5])))
    {
      $xml_entry = $xml->createElement("entry");
      $xml_entry->appendChild($xml->createElement("id", "http://musik.p0m.fr/".$musik[0]));
      @$xml_entry->appendChild($xml->createElement("title", strip_tags($musik[1])));
      if (is_file (MAIN_DIR."/content/".$musik[5]))
        $xml_entry->appendChild($xml->createElement("updated", date('c', filectime(MAIN_DIR."/content/".$musik[5]))));
      else
        $xml_entry->appendChild($xml->createElement("updated", date('c', filectime(MAIN_DIR."/content/".$musik[4]))));

      $xml_entry_summary = $xml->createElement("summary", htmlentities(utf8_decode($musik[2])));
      $xml_entry_summary->setAttribute("type", "html");

      $xml_entry_enclosure = $xml_entry->appendChild($xml->createElement("link"));
      $xml_entry_enclosure->setAttribute("href", "http://".$_SERVER["SERVER_NAME"].dirname($_SERVER["REQUEST_URI"]).urlencode("dl.php?".$user."&f=".$i));
      $xml_entry_enclosure->setAttribute("rel", "enclosure");
      $xml_entry->appendChild($xml_entry_enclosure);

      $xml_entry_enclosure = $xml_entry->appendChild($xml->createElement("link"));
      $xml_entry_enclosure->setAttribute("href", $musik[0]);
      $xml_entry_enclosure->setAttribute("rel", "via");
      $xml_entry->appendChild($xml_entry_enclosure);

      $xml_entry_link = $xml->createElement("link");
      $xml_entry_link->setAttribute("rel", "alternate");
      $xml_entry_link->setAttribute("href", "http://".$_SERVER["SERVER_NAME"].dirname($_SERVER["REQUEST_URI"])."?".$user);

      $xml_entry->appendChild($xml_entry_summary);
      $xml_entry->appendChild($xml_entry_link);
      $xml_feed->appendChild($xml_entry);
    }
  }
}

$xml->appendChild($xml_feed);

//Cache::set('flux', array("date" => time(), "flux" => $xml->saveXML()));

print $xml->saveXML();
?>