<?php
/* For licensing terms, see /license.txt */

/**
 * Script that displays an error message when no content could be loaded
 * @package chamilo.learnpath
 * @author Yannick Warnier <ywarnier@beeznest.org>
 */
/**
 * Code
 */
// Including the global initialization file.
require_once '../inc/global.inc.php';

$debug = 0;
if ($debug > 0) { error_log('New lp - In lp_content.php', 0); }
if (empty($lp_controller_touched)) {
    if ($debug > 0) { error_log('New lp - In lp_content.php - Redirecting to lp_controller', 0); }
    header('location: lp_controller.php?action=content&lp_id='.Security::remove_XSS($_REQUEST['lp_id']).'&item_id='.Security::remove_XSS($_REQUEST['item_id']));
}
$_SESSION['oLP']->error = '';
$lp_type = $_SESSION['oLP']->get_type();
$lp_item_id = $_SESSION['oLP']->get_current_item_id();

/**
 * Get a link to the corresponding document
 */
$src = '';
if ($debug > 0) { error_log('New lp - In lp_content.php - Looking for file url', 0); }

$list = $_SESSION['oLP']->get_toc();

$dokeos_chapter = false;

foreach ($list as $toc) {
    if ($toc['id']==$lp_item_id && ($toc['type']=='dokeos_chapter' || $toc['type']=='dokeos_module' || $toc['type']=='dir')) {
        $dokeos_chapter = true;
    }
}

if ($dokeos_chapter) {
    $src = 'blank.php';
} else {    
    switch ($lp_type) {
        case 1:
            $_SESSION['oLP']->stop_previous_item();
            $prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
            if ($prereq_check === true) {
                $src = $_SESSION['oLP']->get_link('http', $lp_item_id);                
                $_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
            } else {
                $src = 'blank.php?error=prerequisites';
            }
            break;
        case 2:
            $_SESSION['oLP']->stop_previous_item();
            $prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
            if ($prereq_check === true) {
                $src = $_SESSION['oLP']->get_link('http',$lp_item_id);
                $_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
            } else {
                $src = 'blank.php?error=prerequisites';
            }
            break;
        case 3:
            // save old if asset
            $_SESSION['oLP']->stop_previous_item(); // save status manually if asset
            $prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
            if ($prereq_check === true) {
                $src = $_SESSION['oLP']->get_link('http',$lp_item_id);
                $_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
            } else {
                $src = 'blank.php';
            }
            break;
        case 4:
            break;
    }
}

if ($debug > 0) { error_log('New lp - In lp_content.php - File url is '.$src, 0); }
$_SESSION['oLP']->set_previous_item($lp_item_id);

if (isset($_SESSION['gradebook'])) {
    $gradebook = $_SESSION['gradebook'];
}

if (!empty($gradebook) && $gradebook == 'view') {
    $interbreadcrumb[] = array (
            'url' => '../gradebook/'.$_SESSION['gradebook_dest'],
            'name' => get_lang('ToolGradebook')
        );
}
// Define the 'doc.inc.php' as language file.
$nameTools = $_SESSION['oLP']->get_name();
$interbreadcrumb[]= array('url' => './lp_list.php', 'name' => get_lang('Doc'));
// Update global setting to avoid displaying right menu.
$save_setting = api_get_setting('show_navigation_menu');
global $_setting;
$_setting['show_navigation_menu'] = false;
if ($debug > 0) { error_log('New LP - In lp_content.php - Loading '.$src, 0); }

header("Location: ".urldecode($src));