Chamilo is a learning management system focused on ease of use and accessibility
 
 
 
 
 
 
chamilo-lms/public/main/gradebook/lib/be/studentpublicationlink.clas...

427 lines
12 KiB

<?php
/* For licensing terms, see /license.txt */
use Chamilo\CoreBundle\Framework\Container;
/**
* Gradebook link to student publication item.
*
* @author Bert Steppé
*/
class StudentPublicationLink extends AbstractLink
{
private $studpub_table;
private $itemprop_table;
/**
* Constructor.
*/
public function __construct()
{
parent::__construct();
$this->set_type(LINK_STUDENTPUBLICATION);
}
/**
* Returns the URL of a document
* This function is loaded when using a gradebook as a tab (gradebook = -1)
* see issue #2705.
*/
public function get_view_url($stud_id)
{
return null;
// find a file uploaded by the given student,
// with the same title as the evaluation name
$eval = $this->get_evaluation();
$stud_id = (int) $stud_id;
$itemProperty = $this->get_itemprop_table();
$workTable = $this->get_studpub_table();
$courseId = $this->course_id;
$sql = "SELECT pub.url
FROM $itemProperty prop
INNER JOIN $workTable pub
ON (prop.c_id = pub.c_id AND prop.ref = pub.id)
WHERE
prop.c_id = $courseId AND
pub.c_id = $courseId AND
prop.tool = 'work' AND
prop.insert_user_id = $stud_id AND
pub.title = '".Database::escape_string($eval->get_name())."' AND
pub.session_id=".api_get_session_id();
$result = Database::query($sql);
if ($fileurl = Database::fetch_row($result)) {
return null;
} else {
return null;
}
}
/**
* @return string
*/
public function get_type_name()
{
return get_lang('Assignments');
}
public function is_allowed_to_change_name()
{
return false;
}
/**
* Generate an array of all exercises available.
*
* @return array 2-dimensional array - every element contains 2 subelements (id, name)
*/
public function get_all_links()
{
if (empty($this->course_code)) {
return [];
}
$em = Database::getManager();
$sessionId = $this->get_session_id();
$session = api_get_session_entity($sessionId);
/*
if (empty($session_id)) {
$session_condition = api_get_session_condition(0, true);
} else {
$session_condition = api_get_session_condition($session_id, true, true);
}
$sql = "SELECT id, url, title FROM $tbl_grade_links
WHERE c_id = {$this->course_id} AND filetype='folder' AND active = 1 $session_condition ";*/
//Only show works from the session
//AND has_properties != ''
$links = Container::getStudentPublicationRepository()
->findBy([
'cId' => $this->course_id,
'active' => true,
'filetype' => 'folder',
'session' => $session,
]);
foreach ($links as $data) {
$work_name = $data->getTitle();
if (empty($work_name)) {
$work_name = basename($data->getUrl());
}
$cats[] = [$data->getId(), $work_name];
}
$cats = isset($cats) ? $cats : [];
return $cats;
}
/**
* Has anyone done this exercise yet ?
*/
public function has_results()
{
$data = $this->get_exercise_data();
if (empty($data)) {
return '';
}
$id = $data['id'];
$em = Database::getManager();
$session = api_get_session_entity($this->get_session_id());
$results = Container::getStudentPublicationRepository()
->findBy([
'cId' => $this->course_id,
'parentId' => $id,
'session' => $session,
]);
return 0 != count($results);
}
/**
* @param null $stud_id
*
* @return array
*/
public function calc_score($stud_id = null, $type = null)
{
$stud_id = (int) $stud_id;
$em = Database::getManager();
$data = $this->get_exercise_data();
if (empty($data)) {
return [];
}
$id = $data['id'];
$session = api_get_session_entity($this->get_session_id());
$assignment = Container::getStudentPublicationRepository()
->findOneBy([
'cId' => $this->course_id,
'id' => $id,
'session' => $session,
])
;
$parentId = !$assignment ? 0 : $assignment->getId();
if (empty($session)) {
$dql = 'SELECT a FROM ChamiloCourseBundle:CStudentPublication a
WHERE
a.cId = :course AND
a.active = :active AND
a.parentId = :parent AND
a.session is null AND
a.qualificatorId <> 0
';
$params = [
'course' => $this->course_id,
'parent' => $parentId,
'active' => true,
];
} else {
$dql = 'SELECT a FROM ChamiloCourseBundle:CStudentPublication a
WHERE
a.cId = :course AND
a.active = :active AND
a.parentId = :parent AND
a.session = :session AND
a.qualificatorId <> 0
';
$params = [
'course' => $this->course_id,
'parent' => $parentId,
'session' => $session,
'active' => true,
];
}
if (!empty($stud_id)) {
$dql .= ' AND a.userId = :student ';
$params['student'] = $stud_id;
}
$order = api_get_setting('student_publication_to_take_in_gradebook');
switch ($order) {
case 'last':
// latest attempt
$dql .= ' ORDER BY a.sentDate DESC';
break;
case 'first':
default:
// first attempt
$dql .= ' ORDER BY a.iid';
break;
}
$scores = $em->createQuery($dql)->execute($params);
// for 1 student
if (!empty($stud_id)) {
if (!count($scores)) {
return [null, null];
}
$data = $scores[0];
return [
$data->getQualification(),
$assignment->getQualification(),
api_get_local_time($assignment->getDateOfQualification()),
1,
];
}
$students = []; // user list, needed to make sure we only
// take first attempts into account
$rescount = 0;
$sum = 0;
$bestResult = 0;
$weight = 0;
$sumResult = 0;
foreach ($scores as $data) {
if (!(array_key_exists($data->getUserId(), $students))) {
if (0 != $assignment->getQualification()) {
$students[$data->getUserId()] = $data->getQualification();
$rescount++;
$sum += $data->getQualification() / $assignment->getQualification();
$sumResult += $data->getQualification();
if ($data->getQualification() > $bestResult) {
$bestResult = $data->getQualification();
}
$weight = $assignment->getQualification();
}
}
}
if (0 == $rescount) {
return [null, null];
}
switch ($type) {
case 'best':
return [$bestResult, $weight];
break;
case 'average':
return [$sumResult / $rescount, $weight];
break;
case 'ranking':
return AbstractLink::getCurrentUserRanking($stud_id, $students);
break;
default:
return [$sum, $rescount];
break;
}
}
public function needs_name_and_description()
{
return false;
}
public function get_name()
{
$this->get_exercise_data();
$name = isset($this->exercise_data['title']) && !empty($this->exercise_data['title']) ? $this->exercise_data['title'] : get_lang('Untitled');
return $name;
}
public function get_description()
{
$this->get_exercise_data();
return isset($this->exercise_data['description']) ? $this->exercise_data['description'] : null;
}
public function get_link()
{
$sessionId = $this->get_session_id();
$url = api_get_path(WEB_PATH).'main/work/work.php?'.api_get_cidreq_params($this->getCourseId(), $sessionId).'&id='.$this->exercise_data['id'].'&gradebook=view';
return $url;
}
public function needs_max()
{
return false;
}
public function needs_results()
{
return false;
}
public function is_valid_link()
{
$data = $this->get_exercise_data();
if (empty($data)) {
return '';
}
$id = $data['id'];
$sql = 'SELECT count(id) FROM '.$this->get_studpub_table().'
WHERE
c_id = "'.$this->course_id.'" AND
id = '.$id;
$result = Database::query($sql);
$number = Database::fetch_row($result);
return 0 != $number[0];
}
public function get_icon_name()
{
return 'studentpublication';
}
public function save_linked_data()
{
$data = $this->get_exercise_data();
if (empty($data)) {
return '';
}
$id = $data['id'];
$weight = api_float_val($this->get_weight());
if (!empty($id)) {
//Cleans works
$sql = 'UPDATE '.$this->get_studpub_table().'
SET weight= '.$weight.'
WHERE c_id = '.$this->course_id.' AND id ='.$id;
Database::query($sql);
}
}
/**
* @return string
*/
public function delete_linked_data()
{
$data = $this->get_exercise_data();
if (empty($data)) {
return '';
}
/*if (!empty($id)) {
//Cleans works
$sql = 'UPDATE '.$this->get_studpub_table().'
SET weight = 0
WHERE c_id = '.$this->course_id.' AND id ='.$id;
Database::query($sql);
}*/
}
/**
* Lazy load function to get the database table of the student publications.
*/
private function get_studpub_table()
{
return $this->studpub_table = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
}
/**
* Lazy load function to get the database table of the item properties.
*/
private function get_itemprop_table()
{
return $this->itemprop_table = Database::get_course_table(TABLE_ITEM_PROPERTY);
}
/**
* @return array
*/
private function get_exercise_data()
{
$course_info = api_get_course_info($this->get_course_code());
if (!isset($this->exercise_data)) {
$sql = 'SELECT * FROM '.$this->get_studpub_table()."
WHERE
c_id ='".$course_info['real_id']."' AND
id = '".$this->get_ref_id()."' ";
$query = Database::query($sql);
$this->exercise_data = Database::fetch_array($query);
// Try with iid
if (empty($this->exercise_data)) {
$sql = 'SELECT * FROM '.$this->get_studpub_table()."
WHERE
c_id ='".$course_info['real_id']."' AND
iid = '".$this->get_ref_id()."' ";
$query = Database::query($sql);
$this->exercise_data = Database::fetch_array($query);
}
}
return $this->exercise_data;
}
}