/**
* Generates an HTML Certificate and fills the path_certificate field in the DB
**/
public function generate($params = array())
{
//The user directory should be set
if (empty($this->certification_user_path) && $this->force_certificate_generation == false) {
return false;
}
require_once api_get_path(SYS_CODE_PATH) . 'gradebook/lib/be.inc.php';
require_once api_get_path(SYS_CODE_PATH) . 'gradebook/lib/gradebook_functions.inc.php';
require_once api_get_path(SYS_CODE_PATH) . 'gradebook/lib/scoredisplay.class.php';
$params['hide_print_button'] = isset($params['hide_print_button']) ? true : false;
$my_category = Category::load($this->certificate_data['cat_id']);
if (isset($my_category[0]) && $my_category[0]->is_certificate_available($this->user_id)) {
$user = api_get_user_info($this->user_id);
$scoredisplay = ScoreDisplay::instance();
$scorecourse = $my_category[0]->calc_score($this->user_id);
$scorecourse_display = isset($scorecourse) ? $scoredisplay->display_score($scorecourse, SCORE_AVERAGE) : get_lang('NoResultsAvailable');
// Prepare all necessary variables:
$organization_name = api_get_setting('Institution');
//$portal_name = api_get_setting('siteName');
$stud_fn = $user['firstname'];
$stud_ln = $user['lastname'];
//@todo this code is not needed
$certif_text = sprintf(get_lang('CertificateWCertifiesStudentXFinishedCourseYWithGradeZ'), $organization_name, $stud_fn . ' ' . $stud_ln, $my_category[0]->get_name(), $scorecourse_display);
$certif_text = str_replace("\\n", "\n", $certif_text);
//If the gradebook is related to skills we added the skills to the user
$skill = new Skill();
$skill->add_skill_to_user($this->user_id, $this->certificate_data['cat_id']);
if (is_dir($this->certification_user_path)) {
if (!empty($this->certificate_data)) {
$new_content_html = get_user_certificate_content($this->user_id, $my_category[0]->get_course_code(), false, $params['hide_print_button']);
if ($my_category[0]->get_id() == strval(intval($this->certificate_data['cat_id']))) {
$name = $this->certificate_data['path_certificate'];
$my_path_certificate = $this->certification_user_path . basename($name);
if (file_exists($my_path_certificate) && !empty($name) && !is_dir($my_path_certificate) && $this->force_certificate_generation == false) {
//Seems that the file was already generated
return true;
} else {
// Creating new name
$name = md5($this->user_id . $this->certificate_data['cat_id']) . '.html';
$my_path_certificate = $this->certification_user_path . $name;
$path_certificate = '/' . $name;
//Getting QR filename
$file_info = pathinfo($path_certificate);
$qr_code_filename = $this->certification_user_path . $file_info['filename'] . '_qr.png';
$my_new_content_html = str_replace('((certificate_barcode))', Display::img($this->certification_web_user_path . $file_info['filename'] . '_qr.png', 'QR'), $new_content_html['content']);
$my_new_content_html = mb_convert_encoding($my_new_content_html, 'UTF-8', api_get_system_encoding());
$result = @file_put_contents($my_path_certificate, $my_new_content_html);
if ($result) {
//Updating the path
self::update_user_info_about_certificate($this->certificate_data['cat_id'], $this->user_id, $path_certificate);
$this->certificate_data['path_certificate'] = $path_certificate;
if ($this->html_file_is_generated()) {
if (!empty($file_info)) {
$text = $this->parse_certificate_variables($new_content_html['variables']);
$this->generate_qr($text, $qr_code_filename);
}
}
}
return $result;
}
}
}
}
}
return false;
}
/**
* @param int $category_id
* @param int $user_id
* @return bool|string
*/
public static function register_user_certificate($category_id, $user_id)
{
$courseId = api_get_course_int_id();
$courseCode = api_get_course_id();
$sessionId = api_get_session_id();
// Generating the total score for a course
$cats_course = Category::load($category_id, null, null, null, null, $sessionId, false);
/** @var Category $category */
$category = $cats_course[0];
//@todo move these in a function
$sum_categories_weight_array = array();
if (isset($cats_course) && !empty($cats_course)) {
$categories = Category::load(null, null, null, $category_id);
if (!empty($categories)) {
foreach ($categories as $subCategory) {
$sum_categories_weight_array[$subCategory->get_id()] = $subCategory->get_weight();
}
} else {
$sum_categories_weight_array[$category_id] = $cats_course[0]->get_weight();
}
}
$main_weight = $cats_course[0]->get_weight();
$cattotal = Category::load($category_id);
$scoretotal = $cattotal[0]->calc_score($user_id);
// Do not remove this the gradebook/lib/fe/gradebooktable.class.php
// file load this variable as a global
$scoredisplay = ScoreDisplay::instance();
$my_score_in_gradebook = $scoredisplay->display_score($scoretotal, SCORE_SIMPLE);
// A student always sees only the teacher's repartition
$scoretotal_display = $scoredisplay->display_score($scoretotal, SCORE_DIV_PERCENT);
if (!self::userFinishedCourse($user_id, $cats_course[0], 0, $courseCode, $sessionId, true)) {
return false;
}
$skillToolEnabled = api_get_setting('skill.allow_skills_tool') == 'true';
$userHasSkills = false;
if ($skillToolEnabled) {
if (!$category->getGenerateCertificates()) {
$skill = new Skill();
$skill->add_skill_to_user($user_id, $category_id, $courseId, $sessionId);
}
$objSkillRelUser = new SkillRelUser();
$userSkills = $objSkillRelUser->get_user_skills($user_id, $courseId, $sessionId);
$userHasSkills = !empty($userSkills);
if (!$category->getGenerateCertificates() && $userHasSkills) {
return ['badge_link' => Display::url(get_lang('DownloadBadges'), api_get_path(WEB_CODE_PATH) . "gradebook/get_badges.php?user={$user_id}", array('target' => '_blank', 'class' => 'btn btn-default'))];
}
}
$my_certificate = GradebookUtils::get_certificate_by_user_id($cats_course[0]->get_id(), $user_id);
if (empty($my_certificate)) {
GradebookUtils::register_user_info_about_certificate($category_id, $user_id, $my_score_in_gradebook, api_get_utc_datetime());
$my_certificate = GradebookUtils::get_certificate_by_user_id($cats_course[0]->get_id(), $user_id);
}
$html = array();
if (!empty($my_certificate)) {
$certificate_obj = new Certificate($my_certificate['id']);
$fileWasGenerated = $certificate_obj->html_file_is_generated();
if (!empty($fileWasGenerated)) {
$url = api_get_path(WEB_PATH) . 'certificates/index.php?id=' . $my_certificate['id'];
$certificates = Display::url(Display::returnFontAwesomeIcon('download') . ' ' . get_lang('DownloadCertificate'), $url, array('target' => '_blank', 'class' => 'btn btn-sm btn-primary'));
$exportToPDF = Display::url(Display::return_icon('pdf.png', get_lang('ExportToPDF'), array(), ICON_SIZE_MEDIUM), "{$url}&action=export");
$hideExportLink = api_get_setting('hide_certificate_export_link');
$hideExportLinkStudent = api_get_setting('hide_certificate_export_link_students');
if ($hideExportLink === 'true' || api_is_student() && $hideExportLinkStudent === 'true') {
$exportToPDF = null;
}
$html = array('certificate_link' => $certificates, 'pdf_link' => $exportToPDF, 'pdf_url' => "{$url}&action=export");
if ($skillToolEnabled && $userHasSkills) {
$html['badge_link'] = Display::url(get_lang('DownloadBadges'), api_get_path(WEB_CODE_PATH) . "gradebook/get_badges.php?user={$user_id}", array('target' => '_blank', 'class' => 'btn btn-default'));
}
}
return $html;
}
}
