<?php
/*
  File name        : edit.php
  Projet           : BackupMX
  Date of creation : 5/5/2009
  Version          : 1.0
  Copyright        : Soft'N'Design
  Author           : Laurent Mazet <mazet@softndesign.fr>

  Description      :

  History          :
  - 5/5/9 inital version
 */

require_once('actions/opendb.php');
require_once('tools/misc.php');
require_once('tools/xml.php');

debugger (1, 'edit.php');

/* Check association */
if ($page["uid"] != 0)
    return;

debugger (1, 'action');

if (((isset($_POST["action"])) && ($_POST["action"] == "edit")) ||
    ((isset($_GET["action"])) && ($_GET["action"] == "edit") )) {

  /* Update filename */
  $filename = realpath($repos)."/".$page['file'];
  $xmlfilename = substr($page['file'], 0, strrpos($page['file'], ".")).".xml";
  $xmlfile = substr($filename, 0, strrpos($filename, ".")).".xml";

  /* Reset page atributes */
  $page = array_merge(array('file' => $page['file'], 'uid' => $page['uid']),
                      importxml(@file_get_contents($xmlfile), 'page'));
 }

/* Action */
if ((isset($_POST["action"])) && ($_POST["action"] == "edit")) {

  /* Load XML associate file */
  $attributes = importxml(@file_get_contents($xmlfile), 'page');
  $xml_modified = false;

  /* Fields:
     - required: title
     - optional: author, date, description, email, keywords, subtitle
  */

  /* Check title */
  if ($_POST["titlename"] != $attributes["title"]) {
    $page["title"] = $attributes["title"] = $_POST["titlename"];
    $xml_modified = true;
  }

  /* Check author */
  if ($_POST["author"] != $attributes["author"]) {
    if (empty($_POST["author"]))
      unset($attributes["author"], $page["author"]);
    else
      $page["author"] = $attributes["author"] = $_POST["author"];
    $xml_modified = true;
  }

  /* Check date */
  if ($_POST["date"] != $attributes["date"]) {
    if (empty($_POST["date"]))
      unset($attributes["date"], $page["date"]);
    else
      $page["date"] = $attributes["date"] = $_POST["date"];
    $xml_modified = true;
  }

  /* Check description */
  if ($_POST["description"] != $attributes["description"]) {
    if (empty($_POST["description"]))
      unset($attributes["description"], $page["description"]);
    else
      $page["description"] = $attributes["description"] = $_POST["description"];
    $xml_modified = true;
  }

  /* Check email */
  if ($_POST["email"] != $attributes["email"]) {
    if (empty($_POST["email"]))
      unset($attributes["email"], $page["email"]);
    else
      $page["email"] = $attributes["email"] = $_POST["email"];
    $xml_modified = true;
  }

  /* Check keywords */
  if ($_POST["keywords"] != $attributes["keywords"]) {
    if (empty($_POST["keywords"]))
      unset($attributes["keywords"], $page["keywords"]);
    else
      $page["keywords"] = $attributes["keywords"] = $_POST["keywords"];
    $xml_modified = true;
  }

  /* Check subtitle */
  if ($_POST["subtitle"] != $attributes["subtitle"]) {
    if (empty($_POST["subtitle"]))
      unset($attributes["subtitle"], $page["subtitle"]);
    else
      $page["subtitle"] = $attributes["subtitle"] = $_POST["subtitle"];
    $xml_modified = true;
  }

  /* Check access modification */
  switch ($_POST["access"]) {
  case 0:
    if (isset($attributes["admin"]) || isset($attributes["logged"])) {
      $xml_modified = true;
      unset($attributes["admin"], $page["admin"]);
      unset($attributes["logged"], $page["logged"]);
    }
    break;
  case 1:
    if (isset($attributes["admin"]) || (!isset($attributes["logged"]))) {
      $xml_modified = true;
      unset($attributes["admin"], $page["admin"]);
      $page["logged"] = $attributes["logged"] = "logged";
    }
    break;
  case 2:
      if (!isset($attributes["admin"])) {
          $xml_modified = true;
          unset($attributes["logged"], $page["logged"]);
          $page["admin"] = $attributes["admin"] = "admin";
      }
  }

  /* Create directory if needed (no way to check it 'cause of safe_mode */
  $dirname = dirname($filename);
  @mkdir($dirname, 0755, TRUE);

  /* Update XML associated file */
  if ($xml_modified)
    if (!($fd = @fopen($xmlfile, "wb")))
      $page["status"][] = "Erreur! Impossible de modifier le fichier XML '" . htmlprotect($xmlfilename) . "'.";
    else {
      fwrite($fd, exportxml($attributes, "page"));
      fclose($fd);
      $page["status"][] = "Fichier XML '" . htmlprotect($xmlfilename) . "' modifi&eacute;.";
    }
  
  /* Write modified file */
  if (!($fd = @fopen($filename, "wb")))
    $page["status"][] = "Erreur! Impossible d'&eacute;crire la page '" . htmlprotect($page["file"]) . "'.";
  else {
    fwrite($fd, $_POST["source"]);
    fclose($fd);
    $page["status"][] = "Page '" . htmlprotect($page["file"]) . "' &eacute;crite.";
  }
}

/* Form */
elseif ((!isset($_GET["action"])) || ($_GET["action"] != "edit"))
  return;

include('forms/edit.php');