public/main/gradebook/lib/be/result.class.php
<?php
/* For licensing terms, see /license.txt */
use Chamilo\CoreBundle\Entity\Session;
/**
* Defines a gradebook Result object.
*
* @author Bert Steppé, Stijn Konings
*/
class Result
{
private $id;
private $user_id;
private $evaluation;
private $created_at;
private $score;
/**
* Result constructor.
*/
public function __construct()
{
$this->created_at = api_get_utc_datetime();
}
public function get_id()
{
return $this->id;
}
public function get_user_id()
{
return $this->user_id;
}
public function get_evaluation_id()
{
return $this->evaluation;
}
public function get_date()
{
return $this->created_at;
}
public function get_score()
{
return $this->score;
}
public function set_id($id)
{
$this->id = $id;
}
public function set_user_id($user_id)
{
$this->user_id = $user_id;
}
public function set_evaluation_id($evaluation_id)
{
$this->evaluation = $evaluation_id;
}
/**
* @param string $creation_date
*/
public function set_date($creation_date)
{
$this->created_at = $creation_date;
}
/**
* @param float $score
*/
public function set_score($score)
{
$this->score = $score;
}
/**
* Retrieve results and return them as an array of Result objects.
*
* @param $id result id
* @param $user_id user id (student)
* @param $evaluation_id evaluation where this is a result for
*
* @return array
*/
public static function load($id = null, $user_id = null, $evaluation_id = null, $loadEvalUsers = false)
{
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$tbl_grade_results = Database::get_main_table(TABLE_MAIN_GRADEBOOK_RESULT);
$tbl_course_rel_course = Database::get_main_table(TABLE_MAIN_COURSE_USER);
$tbl_session_rel_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$sessionId = api_get_session_id();
$list_user_course_list = [];
if (is_null($id) && is_null($user_id) && !is_null($evaluation_id)) {
// Verified_if_exist_evaluation
$sql = 'SELECT COUNT(*) AS count
FROM '.$tbl_grade_results.'
WHERE evaluation_id="'.Database::escape_string($evaluation_id).'"';
$result = Database::query($sql);
$existEvaluation = Database::result($result, 0, 0);
if (!empty($existEvaluation) || $loadEvalUsers) {
if ($sessionId) {
$sql = 'SELECT c_id, user_id as user_id, status
FROM '.$tbl_session_rel_course_user.'
WHERE
status= '.Session::STUDENT.' AND
c_id = "'.api_get_course_int_id().'" AND
session_id = '.$sessionId;
} else {
$sql = 'SELECT c_id, user_id, status
FROM '.$tbl_course_rel_course.'
WHERE status ="'.STUDENT.'" AND c_id = "'.api_get_course_int_id().'" ';
}
$res_course_rel_user = Database::query($sql);
while ($row_course_rel_user = Database::fetch_assoc($res_course_rel_user)) {
$list_user_course_list[] = $row_course_rel_user;
}
$current_date = api_get_utc_datetime();
for ($i = 0; $i < count($list_user_course_list); $i++) {
$sql_verified = 'SELECT COUNT(*) AS count
FROM '.$tbl_grade_results.'
WHERE
user_id="'.intval($list_user_course_list[$i]['user_id']).'" AND
evaluation_id="'.intval($evaluation_id).'";';
$res_verified = Database::query($sql_verified);
$info_verified = Database::result($res_verified, 0, 0);
if (0 == $info_verified) {
$sql_insert = 'INSERT INTO '.$tbl_grade_results.'(user_id,evaluation_id,created_at,score)
VALUES ("'.intval($list_user_course_list[$i]['user_id']).'","'.intval($evaluation_id).'","'.$current_date.'", null);';
Database::query($sql_insert);
}
}
}
}
$userIdList = [];
foreach ($list_user_course_list as $data) {
$userIdList[] = $data['user_id'];
}
$userIdListToString = implode("', '", $userIdList);
$sql = "SELECT lastname, gr.id, gr.user_id, gr.evaluation_id, gr.created_at, gr.score
FROM $tbl_grade_results gr
INNER JOIN $tbl_user u
ON gr.user_id = u.id ";
if (!empty($userIdList)) {
$sql .= " AND u.id IN ('$userIdListToString')";
}
$paramcount = 0;
if (!empty($id)) {
$sql .= ' WHERE gr.id = '.intval($id);
$paramcount++;
}
if (!empty($user_id)) {
if (0 != $paramcount) {
$sql .= ' AND';
} else {
$sql .= ' WHERE';
}
$sql .= ' gr.user_id = '.intval($user_id);
$paramcount++;
}
if (!empty($evaluation_id)) {
if (0 != $paramcount) {
$sql .= ' AND';
} else {
$sql .= ' WHERE';
}
$sql .= ' gr.evaluation_id = '.intval($evaluation_id);
}
$sql .= ' ORDER BY u.lastname, u.firstname';
$result = Database::query($sql);
$allres = [];
while ($data = Database::fetch_array($result)) {
$res = new Result();
$res->set_id($data['id']);
$res->set_user_id($data['user_id']);
$res->set_evaluation_id($data['evaluation_id']);
$res->set_date(api_get_local_time($data['created_at']));
$res->set_score($data['score']);
$allres[] = $res;
}
return $allres;
}
/**
* Insert this result into the database.
*/
public function add()
{
if (isset($this->user_id) && isset($this->evaluation)) {
$tbl_grade_results = Database::get_main_table(TABLE_MAIN_GRADEBOOK_RESULT);
$sql = "INSERT INTO ".$tbl_grade_results
." (user_id, evaluation_id,
created_at";
if (isset($this->score)) {
$sql .= ",score";
}
$sql .= ") VALUES
(".(int) $this->get_user_id().", ".(int) $this->get_evaluation_id()
.", '".$this->get_date()."' ";
if (isset($this->score)) {
$sql .= ", ".$this->get_score();
}
$sql .= ")";
Database::query($sql);
} else {
exit('Error in Result add: required field empty');
}
}
/**
* insert log result.
*/
public function addResultLog($userid, $evaluationid)
{
if (isset($userid) && isset($evaluationid)) {
$table = Database::get_main_table(TABLE_MAIN_GRADEBOOK_RESULT_LOG);
$result = new Result();
$arr_result = $result->load(null, $userid, $evaluationid);
$arr = get_object_vars($arr_result[0]);
$sql = 'INSERT INTO '.$table.' (result_id,user_id, evaluation_id,created_at';
if (isset($arr['score'])) {
$sql .= ',score';
}
$sql .= ') VALUES
('.(int) $arr['id'].','.(int) $arr['user_id'].', '.(int) $arr['evaluation']
.", '".api_get_utc_datetime()."'";
if (isset($arr['score'])) {
$sql .= ', '.$arr['score'];
}
$sql .= ')';
Database::query($sql);
} else {
exit('Error in Result add: required field empty');
}
}
/**
* Update the properties of this result in the database.
*/
public function save()
{
$table = Database::get_main_table(TABLE_MAIN_GRADEBOOK_RESULT);
$sql = 'UPDATE '.$table.'
SET user_id = '.$this->get_user_id()
.', evaluation_id = '.$this->get_evaluation_id()
.', score = ';
if (isset($this->score)) {
$sql .= $this->get_score();
} else {
$sql .= 'null';
}
if (isset($this->id)) {
$sql .= " WHERE id = {$this->id}";
} else {
$sql .= " WHERE evaluation_id = {$this->evaluation}
AND user_id = {$this->user_id}
";
}
// no need to update creation date
Database::query($sql);
Evaluation::generateStats($this->get_evaluation_id());
}
/**
* Delete this result from the database.
*/
public function delete()
{
$table = Database::get_main_table(TABLE_MAIN_GRADEBOOK_RESULT);
$sql = 'DELETE FROM '.$table.' WHERE id = '.$this->id;
Database::query($sql);
$allowMultipleAttempts = ('true' === api_get_setting('gradebook.gradebook_multiple_evaluation_attempts'));
if ($allowMultipleAttempts) {
$table = Database::get_main_table(TABLE_MAIN_GRADEBOOK_RESULT_ATTEMPT);
$sql = "DELETE FROM $table WHERE result_id = ".$this->id;
Database::query($sql);
}
Evaluation::generateStats($this->get_evaluation_id());
}
/**
* Check if exists a result with its user and evaluation.
*
* @throws \Doctrine\ORM\Query\QueryException
*
* @return bool
*/
public function exists()
{
$table = Database::get_main_table(TABLE_MAIN_GRADEBOOK_RESULT);
$sql = "SELECT COUNT(*) AS count
FROM $table gr
WHERE gr.evaluation_id = $this->evaluation
AND gr.user_id = $this->user_id
";
$result = Database::query($sql);
$row = Database::fetch_array($result);
$count = (int) $row['count'];
return $count > 0;
}
}