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chamilo-lms
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Minor code style update

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skala
Yannick Warnier 13 years ago
parent 6c5c11dbce
commit bbc04aa099
1 changed files with 237 additions and 237 deletions
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  1. 474
      main/inc/lib/certificate.lib.php

474
main/inc/lib/certificate.lib.php
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@ -16,196 +16,196 @@ class Certificate extends Model {
* */
var $certification_user_path = null;
var $certification_web_user_path = null;
var $html_file = null;
var $qr_file = null;
var $html_file = null;
var $qr_file = null;
var $user_id;
//If true every time we enter to the certificate URL we would generate a new certificate
// (good thing because we can edit the certificate and all users will have the latest certificate bad because we load everytime)
var $force_certificate_generation = true; //default true
public function __construct($certificate_id = null) {
$this->table = Database::get_main_table(TABLE_MAIN_GRADEBOOK_CERTIFICATE);
public function __construct($certificate_id = null) {
$this->table = Database::get_main_table(TABLE_MAIN_GRADEBOOK_CERTIFICATE);
$this->certificate_data = null;
if (isset($certificate_id)) {
$this->certificate_data = $this->get($certificate_id);
$this->user_id = $this->certificate_data['user_id'];
$this->certificate_data = $this->get($certificate_id);
$this->user_id = $this->certificate_data['user_id'];
} else {
//Try with the current user
$this->user_id = api_get_user_id();
//Try with the current user
$this->user_id = api_get_user_id();
}
if ($this->user_id) {
//Need to be called before any operation
$this->check_certificate_path();
//To force certification generation
if ($this->force_certificate_generation) {
$this->generate();
}
if (isset($this->certificate_data) && $this->certificate_data) {
if (empty($this->certificate_data['path_certificate'])) {
$this->generate();
}
}
//Need to be called before any operation
$this->check_certificate_path();
//To force certification generation
if ($this->force_certificate_generation) {
$this->generate();
}
if (isset($this->certificate_data) && $this->certificate_data) {
if (empty($this->certificate_data['path_certificate'])) {
$this->generate();
}
}
}
//Setting the qr and html variables
if (isset($certificate_id) && !empty($this->certification_user_path)) {
$pathinfo = pathinfo($this->certificate_data['path_certificate']);
$this->html_file = $this->certification_user_path.basename($this->certificate_data['path_certificate']);
$this->qr_file = $this->certification_user_path.$pathinfo['filename'].'_qr.png';
$pathinfo = pathinfo($this->certificate_data['path_certificate']);
$this->html_file = $this->certification_user_path.basename($this->certificate_data['path_certificate']);
$this->qr_file = $this->certification_user_path.$pathinfo['filename'].'_qr.png';
}
}
/**
* Checks if the certificate user path directory is created
*/
public function check_certificate_path() {
$this->certification_user_path = null;
//Setting certification path
$path_info = UserManager::get_user_picture_path_by_id($this->user_id, 'system', true);
$web_path_info = UserManager::get_user_picture_path_by_id($this->user_id, 'web', true);
if (!empty($path_info) && isset($path_info['dir'])) {
$this->certification_user_path = $path_info['dir'].'certificate/';
$this->certification_web_user_path = $web_path_info['dir'].'certificate/';
if (!is_dir($path_info['dir'])) {
mkdir($path_info['dir'], 0777, true);
}
if (!is_dir($this->certification_user_path)) {
mkdir($this->certification_user_path, 0777);
}
}
}
/**
* Checks if the certificate user path directory is created
*/
public function check_certificate_path() {
$this->certification_user_path = null;
//Setting certification path
$path_info = UserManager::get_user_picture_path_by_id($this->user_id, 'system', true);
$web_path_info = UserManager::get_user_picture_path_by_id($this->user_id, 'web', true);
if (!empty($path_info) && isset($path_info['dir'])) {
$this->certification_user_path = $path_info['dir'].'certificate/';
$this->certification_web_user_path = $web_path_info['dir'].'certificate/';
if (!is_dir($path_info['dir'])) {
mkdir($path_info['dir'], 0777, true);
}
if (!is_dir($this->certification_user_path)) {
mkdir($this->certification_user_path, 0777);
}
}
}
public function delete() {
if (!empty($this->certificate_data)) {
if (!is_null($this->html_file) || $this->html_file!='' || strlen($this->html_file)) {
//Deleting HTML file
if (is_file($this->html_file)) {
@unlink($this->html_file);
if (is_file($this->html_file) === false) {
$delete_db = true;
} else {
$delete_db = false;
}
}
//Deleting QR code PNG image file
if (is_file($this->qr_file)) {
@unlink($this->qr_file);
}
if ($delete_db) {
return parent::delete($this->certificate_data['id']);
}
} else {
return parent::delete($this->certificate_data['id']);
}
}
return false;
}
/**
* Generates an HTML Certificate and fills the path_certificate field in the DB
* */
public function generate() {
//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';
$my_category = Category :: load($this->certificate_data['cat_id']);
}
public function delete() {
if (!empty($this->certificate_data)) {
if (!is_null($this->html_file) || $this->html_file!='' || strlen($this->html_file)) {
//Deleting HTML file
if (is_file($this->html_file)) {
@unlink($this->html_file);
if (is_file($this->html_file) === false) {
$delete_db = true;
} else {
$delete_db = false;
}
}
//Deleting QR code PNG image file
if (is_file($this->qr_file)) {
@unlink($this->qr_file);
}
if ($delete_db) {
return parent::delete($this->certificate_data['id']);
}
} else {
return parent::delete($this->certificate_data['id']);
}
}
return false;
}
/**
* Generates an HTML Certificate and fills the path_certificate field in the DB
* */
public function generate() {
//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';
$my_category = Category :: load($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'));
//$cattotal = Category :: load($this->certificate_data['cat_id']);
//$scoretotal= $cattotal[0]->calc_score($this->user_id);
//$scoretotal_display = (isset($scoretotal) ? $scoredisplay->display_score($scoretotal,SCORE_PERCENT) : 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 = $user['lastname'];
if (isset($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'));
//$cattotal = Category :: load($this->certificate_data['cat_id']);
//$scoretotal= $cattotal[0]->calc_score($this->user_id);
//$scoretotal_display = (isset($scoretotal) ? $scoredisplay->display_score($scoretotal,SCORE_PERCENT) : 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);
//@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", $certif_text);
//$date = date('d/m/Y', time());
//$date = date('d/m/Y', time());
//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, $my_category[0]->get_course_code(), false);
if (is_dir($this->certification_user_path)) {
if (!empty($this->certificate_data)) {
$new_content_html = get_user_certificate_content($this->user_id, $my_category[0]->get_course_code(), false);
if ($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';
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';
$new_content_html['content'] = str_replace('((certificate_barcode))', Display::img($this->certification_web_user_path.$file_info['filename'].'_qr.png', 'QR'), $new_content_html['content']);
$my_new_content_html = $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) {
$new_content_html['content'] = str_replace('((certificate_barcode))', Display::img($this->certification_web_user_path.$file_info['filename'].'_qr.png', 'QR'), $new_content_html['content']);
$my_new_content_html = $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 $result;
}
}
}
}
}
return false;
}
self::update_user_info_about_certificate($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 $result;
}
}
}
}
}
return false;
}
/**
* update user info about certificate
@ -223,53 +223,53 @@ class Certificate extends Model {
}
}
/**
*
* Check if the file was generated
*
* @return boolean
*/
function html_file_is_generated() {
if (empty($this->certification_user_path)) {
return false;
}
if (!empty($this->certificate_data) && isset($this->certificate_data['path_certificate']) && !empty($this->certificate_data['path_certificate'])) {
return true;
}
return false;
}
/**
* @param string Text to be added in the QR code
* @param string file path of the image
* */
public function generate_qr($text, $path) {
//Make sure HTML certificate is generated
if (!empty($text) && !empty($path)) {
require_once api_get_path(LIBRARY_PATH).'phpqrcode/qrlib.php';
//L low, M - Medium, L large error correction
$return = QRcode::png($text, $path, 'M', 2, 2);
}
}
private function parse_certificate_variables($array) {
$text = '';
$headers = $array[0];
$content = $array[1];
$final_content = array();
/**
*
* Check if the file was generated
*
* @return boolean
*/
function html_file_is_generated() {
if (empty($this->certification_user_path)) {
return false;
}
if (!empty($this->certificate_data) && isset($this->certificate_data['path_certificate']) && !empty($this->certificate_data['path_certificate'])) {
return true;
}
return false;
}
/**
* @param string Text to be added in the QR code
* @param string file path of the image
* */
public function generate_qr($text, $path) {
//Make sure HTML certificate is generated
if (!empty($text) && !empty($path)) {
require_once api_get_path(LIBRARY_PATH).'phpqrcode/qrlib.php';
//L low, M - Medium, L large error correction
$return = QRcode::png($text, $path, 'M', 2, 2);
}
}
private function parse_certificate_variables($array) {
$text = '';
$headers = $array[0];
$content = $array[1];
$final_content = array();
if (!empty($content)) {
foreach($content as $key => $value) {
$my_header = $headers[$key];
$my_header = str_replace(array('((', '))') , '', $my_header);
$final_content[$my_header] = $value;
}
if (!empty($content)) {
foreach($content as $key => $value) {
$my_header = $headers[$key];
$my_header = str_replace(array('((', '))') , '', $my_header);
$final_content[$my_header] = $value;
}
}
/* Certificate tags
*
0 => string '((user_firstname))' (length=18)
/* Certificate tags
*
0 => string '((user_firstname))' (length=18)
1 => string '((user_lastname))' (length=17)
2 => string '((gradebook_institution))' (length=25)
3 => string '((gradebook_sitename))' (length=22)
@ -283,23 +283,23 @@ class Certificate extends Model {
11 => string '((certificate_link))' (length=20)
12 => string '((certificate_link_html))' (length=25)
13 => string '((certificate_barcode))' (length=23)
*/
$break_space = " \n\r ";
$text = $final_content['gradebook_institution'].' - '.$final_content['gradebook_sitename'].' - '.get_lang('Certification').$break_space.
get_lang('Student'). ': '.$final_content['user_firstname'].' '.$final_content['user_lastname'].$break_space.
get_lang('Teacher'). ': '.$final_content['teacher_firstname'].' '.$final_content['teacher_lastname'].$break_space.
get_lang('Date'). ': '.$final_content['date_certificate'].$break_space.
get_lang('Score'). ': '.$final_content['gradebook_grade'].$break_space.
'URL'. ': '.$final_content['certificate_link'];
return $text;
}
/**
* Shows the student's certificate (HTML file)
*/
public function show() {
*/
$break_space = " \n\r ";
$text = $final_content['gradebook_institution'].' - '.$final_content['gradebook_sitename'].' - '.get_lang('Certification').$break_space.
get_lang('Student'). ': '.$final_content['user_firstname'].' '.$final_content['user_lastname'].$break_space.
get_lang('Teacher'). ': '.$final_content['teacher_firstname'].' '.$final_content['teacher_lastname'].$break_space.
get_lang('Date'). ': '.$final_content['date_certificate'].$break_space.
get_lang('Score'). ': '.$final_content['gradebook_grade'].$break_space.
'URL'. ': '.$final_content['certificate_link'];
return $text;
}
/**
* Shows the student's certificate (HTML file)
*/
public function show() {
if (api_is_anonymous()) {
if (api_get_setting('allow_public_certificates') != 'true') {
return false;
@ -318,17 +318,17 @@ class Certificate extends Model {
}
}
//Read file or preview file
if (!empty($this->certificate_data['path_certificate'])) {
$user_certificate = $this->certification_user_path.basename($this->certificate_data['path_certificate']);
if (file_exists($user_certificate)) {
header('Content-Type: text/html; charset='. api_get_system_encoding());
echo @file_get_contents($user_certificate);
}
} else {
Display :: display_reduced_header();
Display :: display_warning_message(get_lang('NoCertificateAvailable'));
}
exit;
}
//Read file or preview file
if (!empty($this->certificate_data['path_certificate'])) {
$user_certificate = $this->certification_user_path.basename($this->certificate_data['path_certificate']);
if (file_exists($user_certificate)) {
header('Content-Type: text/html; charset='. api_get_system_encoding());
echo @file_get_contents($user_certificate);
}
} else {
Display :: display_reduced_header();
Display :: display_warning_message(get_lang('NoCertificateAvailable'));
}
exit;
}
}

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