$current_folder_id = $document_id;
// Show preview
if (isset($_GET['curdirpath']) && $_GET['curdirpath'] == '/certificates' && isset($_GET['set_preview']) && $_GET['set_preview'] == strval(intval($_GET['set_preview']))) {
if (isset($_GET['set_preview'])) {
// Generate document HTML
$content_html = DocumentManager::replace_user_info_into_html(api_get_user_id(), api_get_course_id(), api_get_session_id(), true);
$filename = 'certificate_preview/' . api_get_unique_id() . '.png';
$qr_code_filename = api_get_path(SYS_ARCHIVE_PATH) . $filename;
$temp_folder = api_get_path(SYS_ARCHIVE_PATH) . 'certificate_preview';
if (!is_dir($temp_folder)) {
mkdir($temp_folder, api_get_permissions_for_new_directories());
}
$qr_code_web_filename = api_get_path(WEB_ARCHIVE_PATH) . $filename;
$certificate = new Certificate();
$text = $certificate->parse_certificate_variables($content_html['variables']);
$result = $certificate->generate_qr($text, $qr_code_filename);
$new_content_html = $content_html['content'];
$path_image = api_get_path(WEB_COURSE_PATH) . api_get_course_path() . '/document/images/gallery';
$new_content_html = str_replace('../images/gallery', $path_image, $new_content_html);
$path_image_in_default_course = api_get_path(WEB_CODE_PATH) . 'default_course_document';
$new_content_html = str_replace('/main/default_course_document', $path_image_in_default_course, $new_content_html);
$new_content_html = str_replace(SYS_CODE_PATH . 'img/', api_get_path(WEB_IMG_PATH), $new_content_html);
Display::display_reduced_header();
echo '<style>body {background:none;}</style>
<style media="print" type="text/css"> #print_div { visibility:hidden; } </style>';
echo '<a href="javascript:window.print();" style="float:right; padding:4px;" id="print_div">
<img src="../img/printmgr.gif" alt="' . get_lang('Print') . '"/>' . get_lang('Print') . '</a>';
if (is_file($qr_code_filename) && is_readable($qr_code_filename)) {
$new_content_html = str_replace('((certificate_barcode))', Display::img($qr_code_web_filename), $new_content_html);
}
print_r($new_content_html);
