Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/tracking/exams.php

732 lines
25 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* Exams script
* @package chamilo.tracking
*/
require_once __DIR__.'/../inc/global.inc.php';
$toolTable = Database::get_course_table(TABLE_TOOL_LIST);
$quizTable = Database::get_course_table(TABLE_QUIZ_TEST);
$this_section = SECTION_TRACKING;
$is_allowedToTrack = $is_courseAdmin || $is_platformAdmin || $is_session_general_coach || $is_sessionAdmin;
if (!$is_allowedToTrack) {
api_not_allowed();
}
$exportToXLS = false;
if (isset($_GET['export'])) {
$exportToXLS = true;
}
if (api_is_platform_admin() && empty($_GET['cidReq'])) {
$global = true;
} else {
$global = false;
}
$courseList = array();
if ($global) {
$temp = CourseManager::get_courses_list();
foreach ($temp as $tempCourse) {
$courseInfo = api_get_course_info($tempCourse['code']);
$courseList[] = $courseInfo;
}
} else {
$courseList = array(api_get_course_info());
}
$sessionId = api_get_session_id();
if (empty($sessionId)) {
$sessionCondition = ' AND session_id = 0';
} else {
$sessionCondition = api_get_session_condition($sessionId, true, true);
}
$form = new FormValidator('search_simple', 'POST', '', '', null, false);
$form->addElement('text', 'score', get_lang('Percentage'));
if ($global) {
$form->addElement('hidden', 'view', 'admin');
} else {
// Get exam lists
$courseId = api_get_course_int_id();
$sql = "SELECT quiz.title, id FROM $quizTable AS quiz
WHERE
c_id = $courseId AND
active = 1
$sessionCondition
ORDER BY quiz.title ASC";
$result = Database::query($sql);
$exerciseList = array(get_lang('All'));
while ($row = Database::fetch_array($result)) {
$exerciseList[$row['id']] = $row['title'];
}
$form->addElement('select', 'exercise_id', get_lang('Exercise'), $exerciseList);
}
$form->addButtonFilter(get_lang('Filter'));
$filter_score = isset($_REQUEST['score']) ? intval($_REQUEST['score']) : 70;
$exerciseId = isset($_REQUEST['exercise_id']) ? intval($_REQUEST['exercise_id']) : 0;
$form->setDefaults(array('score' => $filter_score));
if (!$exportToXLS) {
Display :: display_header(get_lang('Reporting'));
$actionsLeft = $actionsRight = '';
if ($global) {
$actionsLeft .= '<a href="'.api_get_path(WEB_CODE_PATH).'auth/my_progress.php">'.
Display::return_icon('stats.png', get_lang('MyStats'), '', ICON_SIZE_MEDIUM);
$actionsLeft .= '</a>';
$courseInfo = api_get_course_info();
$actionsRight .= '<a href="'.api_get_self().'?export=1&score='.$filter_score.'&exercise_id='.$exerciseId.'">'.
Display::return_icon('export_excel.png', get_lang('ExportAsXLS'), '', ICON_SIZE_MEDIUM).'</a>';
$actionsRight .= '<a href="javascript: void(0);" onclick="javascript: window.print()">'.
Display::return_icon('printer.png', get_lang('Print'), '', ICON_SIZE_MEDIUM).'</a>';
$menuItems[] = Display::url(
Display::return_icon('teacher.png', get_lang('TeacherInterface'), array(), 32),
api_get_path(WEB_CODE_PATH).'mySpace/?view=teacher'
);
if (api_is_platform_admin()) {
$menuItems[] = Display::url(
Display::return_icon('star.png', get_lang('AdminInterface'), array(), 32),
api_get_path(WEB_CODE_PATH).'mySpace/admin_view.php'
);
} else {
$menuItems[] = Display::url(
Display::return_icon('star.png', get_lang('CoachInterface'), array(), 32),
api_get_path(WEB_CODE_PATH).'mySpace/index.php?view=coach'
);
}
$menuItems[] = '<a href="#">'.Display::return_icon('quiz_na.png', get_lang('ExamTracking'), array(), 32).'</a>';
$nb_menu_items = count($menuItems);
if ($nb_menu_items > 1) {
foreach ($menuItems as $key => $item) {
$actionsLeft .= $item;
}
}
} else {
$actionsLeft .= Display::url(
Display::return_icon('user.png', get_lang('StudentsTracking'), array(), 32),
'courseLog.php?'.api_get_cidreq().'&studentlist=true'
);
$actionsLeft .= Display::url(
Display::return_icon('course.png', get_lang('CourseTracking'), array(), 32),
'courseLog.php?'.api_get_cidreq().'&studentlist=false'
);
$actionsLeft .= Display::url(
Display::return_icon('tools.png', get_lang('ResourcesTracking'), array(), 32),
'courseLog.php?'.api_get_cidreq().'&studentlist=resouces'
);
$actionsLeft .= Display::url(
Display::return_icon('export_excel.png', get_lang('ExportAsXLS'), array(), 32),
api_get_self().'?'.api_get_cidreq().'&export=1&score='.$filter_score.'&exercise_id='.$exerciseId
);
}
$toolbar = Display::toolbarAction('toolbar-exams', [$actionsLeft, $actionsRight]);
echo $toolbar;
$form->display();
echo '<h3>'.sprintf(get_lang('FilteringWithScoreX'), $filter_score).'%</h3>';
}
$html = '<table class="data_table">';
if ($global) {
$html .= '<tr>';
$html .= '<th>'.get_lang('Courses').'</th>';
$html .= '<th>'.get_lang('Quiz').'</th>';
$html .= '<th>'.get_lang('ExamTaken').'</th>';
$html .= '<th>'.get_lang('ExamNotTaken').'</th>';
$html .= '<th>'.sprintf(get_lang('ExamPassX'), $filter_score).'%</th>';
$html .= '<th>'.get_lang('ExamFail').'</th>';
$html .= '<th>'.get_lang('TotalStudents').'</th>';
$html .= '</tr>';
} else {
$html .= '<tr>';
$html .= '<th>'.get_lang('Quiz').'</th>';
$html .= '<th>'.get_lang('User').'</th>';
$html .= '<th>'.get_lang('Username').'</th>';
//$html .= '<th>'.sprintf(get_lang('ExamPassX'), $filter_score).'</th>';
$html .= '<th>'.get_lang('Percentage').' %</th>';
$html .= '<th>'.get_lang('Status').'</th>';
$html .= '<th>'.get_lang('Attempts').'</th>';
$html .= '</tr>';
}
$export_array_global = $export_array = array();
$s_css_class = null;
if (!empty($courseList) && is_array($courseList)) {
foreach ($courseList as $courseInfo) {
$sessionList = SessionManager::get_session_by_course($courseInfo['real_id']);
$newSessionList = array();
if (!empty($sessionList)) {
foreach ($sessionList as $session) {
$newSessionList[$session['id']] = $session['name'];
}
}
$courseId = $courseInfo['real_id'];
if ($global) {
$sql = "SELECT count(id) as count
FROM $quizTable AS quiz
WHERE c_id = $courseId AND active = 1 AND (session_id = 0 OR session_id IS NULL)";
$result = Database::query($sql);
$countExercises = Database::store_result($result);
$exerciseCount = $countExercises[0]['count'];
$sql = "SELECT count(id) as count
FROM $quizTable AS quiz
WHERE c_id = $courseId AND active = 1 AND session_id <> 0";
$result = Database::query($sql);
$countExercises = Database::store_result($result);
$exerciseSessionCount = $countExercises[0]['count'];
$exerciseCount = $exerciseCount + $exerciseCount * count($newSessionList) + $exerciseSessionCount;
// Add course and session list.
if ($exerciseCount == 0) {
$exerciseCount = 2;
}
$html .= "<tr>
<td rowspan=$exerciseCount>";
$html .= $courseInfo['title'];
$html .= "</td>";
}
$sql = "SELECT visibility FROM $toolTable
WHERE c_id = $courseId AND name = 'quiz'";
$result = Database::query($sql);
// If main tool is visible.
if (Database::result($result, 0, 'visibility') == 1) {
// Getting the exam list.
if ($global) {
$sql = "SELECT quiz.title, id, session_id
FROM $quizTable AS quiz
WHERE c_id = $courseId AND active = 1
ORDER BY session_id, quiz.title ASC";
} else {
//$sessionCondition = api_get_session_condition($sessionId, true, false);
if (!empty($exerciseId)) {
$sql = "SELECT quiz.title, id, session_id
FROM $quizTable AS quiz
WHERE
c_id = $courseId AND
active = 1 AND
id = $exerciseId
$sessionCondition
ORDER BY session_id, quiz.title ASC";
} else {
$sql = "SELECT quiz.title, id, session_id
FROM $quizTable AS quiz
WHERE
c_id = $courseId AND
active = 1
$sessionCondition
ORDER BY session_id, quiz.title ASC";
}
}
$resultExercises = Database::query($sql);
if (Database::num_rows($resultExercises) > 0) {
while ($exercise = Database::fetch_array($resultExercises, 'ASSOC')) {
$exerciseSessionId = $exercise['session_id'];
if (empty($exerciseSessionId)) {
if ($global) {
// If the exercise was created in the base course.
// Load all sessions.
foreach ($newSessionList as $currentSessionId => $sessionName) {
$result = processStudentList(
$filter_score,
$global,
$exercise,
$courseInfo,
$currentSessionId,
$newSessionList
);
$html .= $result['html'];
$export_array_global = array_merge($export_array_global, $result['export_array_global']);
}
// Load base course.
$result = processStudentList(
$filter_score,
$global,
$exercise,
$courseInfo,
0,
$newSessionList
);
$html .= $result['html'];
$export_array_global = array_merge($export_array_global, $result['export_array_global']);
} else {
if (empty($sessionId)) {
// Load base course.
$result = processStudentList(
$filter_score,
$global,
$exercise,
$courseInfo,
0,
$newSessionList
);
$html .= $result['html'];
$export_array_global = array_merge(
$export_array_global,
$result['export_array_global']
);
} else {
$result = processStudentList(
$filter_score,
$global,
$exercise,
$courseInfo,
$sessionId,
$newSessionList
);
$html .= $result['html'];
$export_array_global = array_merge(
$export_array_global,
$result['export_array_global']
);
}
}
} else {
// If the exercise only exists in this session.
$result = processStudentList(
$filter_score,
$global,
$exercise,
$courseInfo,
$exerciseSessionId,
$newSessionList
);
$html .= $result['html'];
$export_array_global = array_merge(
$export_array_global,
$result['export_array_global']
);
}
}
} else {
$html .= "<tr>
<td colspan='6'>
".get_lang('NoExercise')."
</td>
</tr>
";
}
} else {
$html .= "<tr>
<td colspan='6'>
".get_lang('NoExercise')."
</td>
</tr>
";
}
}
}
$html .= '</table>';
if (!$exportToXLS) {
echo $html;
}
$filename = 'exam-reporting-'.api_get_local_time().'.xlsx';
if ($exportToXLS) {
export_complete_report_xls($filename, $export_array_global);
exit;
}
/**
* @param $a
* @param $b
* @return int
*/
function sort_user($a, $b) {
if (is_numeric($a['score']) && is_numeric($b['score'])) {
if ($a['score'] < $b['score']) {
return 1;
}
return 0;
}
return 1;
}
/**
* @param string $filename
* @param array $array
*/
function export_complete_report_xls($filename, $array)
{
global $global, $filter_score;
$spreadsheet = new PHPExcel();
$spreadsheet->setActiveSheetIndex(0);
$worksheet = $spreadsheet->getActiveSheet();
$line = 1;
$column = 0; //skip the first column (row titles)
if ($global) {
$worksheet->setCellValueByColumnAndRow($column, $line, get_lang('Courses'));
$column++;
$worksheet->setCellValueByColumnAndRow($column, $line, get_lang('Exercises'));
$column++;
$worksheet->setCellValueByColumnAndRow($column, $line, get_lang('ExamTaken'));
$column++;
$worksheet->setCellValueByColumnAndRow($column, $line, get_lang('ExamNotTaken'));
$column++;
$worksheet->setCellValueByColumnAndRow($column, $line, sprintf(get_lang('ExamPassX'), $filter_score).'%');
$column++;
$worksheet->setCellValueByColumnAndRow($column, $line, get_lang('ExamFail'));
$column++;
$worksheet->setCellValueByColumnAndRow($column, $line, get_lang('TotalStudents'));
$column++;
$line++;
foreach ($array as $row) {
$column = 0;
foreach ($row as $item) {
$worksheet->setCellValueByColumnAndRow($column, $line, html_entity_decode(strip_tags($item)));
$column++;
}
$line++;
}
$line++;
} else {
$worksheet->setCellValueByColumnAndRow(0, $line, get_lang('Exercises'));
$worksheet->setCellValueByColumnAndRow(1, $line, get_lang('User'));
$worksheet->setCellValueByColumnAndRow(2, $line, get_lang('Username'));
$worksheet->setCellValueByColumnAndRow(3, $line, get_lang('Percentage'));
$worksheet->setCellValueByColumnAndRow(4, $line, get_lang('Status'));
$worksheet->setCellValueByColumnAndRow(5, $line, get_lang('Attempts'));
$line++;
foreach ($array as $row) {
$worksheet->setCellValueByColumnAndRow(
0,
$line,
html_entity_decode(strip_tags($row['exercise']))
);
foreach ($row['users'] as $key => $user) {
$worksheet->setCellValueByColumnAndRow(
1,
$line,
html_entity_decode(strip_tags($user))
);
$worksheet->setCellValueByColumnAndRow(
2,
$line,
$row['usernames'][$key]
);
$column = 3;
foreach ($row['results'][$key] as $result_item) {
$worksheet->setCellValueByColumnAndRow(
$column,
$line,
html_entity_decode(strip_tags($result_item))
);
$column++;
}
$line++;
}
}
}
$file = api_get_path(SYS_ARCHIVE_PATH).api_replace_dangerous_char($filename);
$writer = new PHPExcel_Writer_Excel2007($spreadsheet);
$writer->save($file);
DocumentManager::file_send_for_download($file, true, $filename);
exit;
}
/**
* @param $filter_score
* @param $global
* @param $exercise
* @param $courseInfo
* @param $sessionId
* @param $newSessionList
* @return array
*/
function processStudentList($filter_score, $global, $exercise, $courseInfo, $sessionId, $newSessionList)
{
if (
(isset($exercise['id']) && empty($exercise['id'])) ||
!isset($exercise['id'])
) {
return array(
'html' => '',
'export_array_global' => [],
'total_students' => 0
);
}
$exerciseStatsTable = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
$courseId = api_get_course_int_id($courseInfo['code']);
if (empty($sessionId)) {
$students = CourseManager::get_student_list_from_course_code(
$courseInfo['code'],
false,
0,
null,
null,
false
);
} else {
$students = CourseManager::get_student_list_from_course_code(
$courseInfo['code'],
true,
$sessionId,
null,
null,
false
);
}
$html = null;
$totalStudents = count($students);
if (!$global) {
$html .= "<tr>";
}
if (!$global) {
$html .= '<td rowspan="'.$totalStudents.'">';
} else {
$html .= '<td>';
}
$html .= $exercise['title'];
if ($global && !empty($sessionId)) {
$sessionName = isset($newSessionList[$sessionId]) ? $newSessionList[$sessionId] : null;
$html .= Display::return_icon('star.png', get_lang('Session')).' ('.$sessionName.')';
}
$html .= '</td>';
$globalRow = array(
$courseInfo['title'],
$exercise['title']
);
$total_with_parameter_score = 0;
$taken = 0;
$export_array_global = array();
$studentResult = array();
foreach ($students as $student) {
$studentId = isset($student['user_id']) ? $student['user_id'] : $student['id_user'];
$sql = "SELECT COUNT(ex.exe_id) as count
FROM $exerciseStatsTable AS ex
WHERE
ex.c_id = $courseId AND
ex.exe_exo_id = ".$exercise['id']." AND
exe_user_id= $studentId AND
session_id = $sessionId
";
$result = Database::query($sql);
$attempts = Database::fetch_array($result);
$sql = "SELECT exe_id, exe_result, exe_weighting
FROM $exerciseStatsTable
WHERE
exe_user_id = $studentId AND
c_id = $courseId AND
exe_exo_id = ".$exercise['id']." AND
session_id = $sessionId
ORDER BY exe_result DESC
LIMIT 1";
$result = Database::query($sql);
$score = 0;
$weighting = 0;
while ($scoreInfo = Database::fetch_array($result)) {
$score = $score + $scoreInfo['exe_result'];
$weighting = $weighting + $scoreInfo['exe_weighting'];
}
$percentageScore = 0;
if ($weighting != 0) {
$percentageScore = round(($score * 100) / $weighting);
}
if ($attempts['count'] > 0) {
$taken++;
}
if ($percentageScore >= $filter_score) {
$total_with_parameter_score++;
}
$tempArray = array();
if (!$global) {
$userInfo = api_get_user_info($studentId);
// User
$userRow = '<td>';
$userRow .= $userInfo['complete_name'];
$userRow .= '</td>';
$userRow .= '<td>'.$userInfo['username'].'</td>';
// Best result
if (!empty($attempts['count'])) {
$userRow .= '<td>';
$userRow .= $percentageScore;
$tempArray[] = $percentageScore;
$userRow .= '</td>';
if ($percentageScore >= $filter_score) {
$userRow .= '<td style="background-color:#DFFFA8">';
$userRow .= get_lang('PassExam').'</td>';
$tempArray[] = get_lang('PassExam');
} else {
$userRow .= '<td style="background-color:#FC9A9E" >';
$userRow .= get_lang('ExamFail').'</td>';
$tempArray[] = get_lang('ExamFail');
}
$userRow .= '<td>';
$userRow .= $attempts['count'];
$tempArray[] = $attempts['count'];
$userRow .= '</td>';
} else {
$score = '-';
$userRow .= '<td>';
$userRow .= '-';
$tempArray[] = '-';
$userRow .= '</td>';
$userRow .= '<td style="background-color:#FCE89A">';
$userRow .= get_lang('NoAttempt');
$tempArray[] = get_lang('NoAttempt');
$userRow .= '</td>';
$userRow .= '<td>';
$userRow .= 0;
$tempArray[] = 0;
$userRow .= '</td>';
}
$userRow .= '</tr>';
$studentResult[$studentId] = array(
'html' => $userRow,
'score' => $score,
'array' => $tempArray,
'user' => $userInfo['complete_name'],
'username' => $userInfo['username']
);
}
}
$row_not_global['exercise'] = $exercise['title'];
if (!$global) {
if (!empty($studentResult)) {
$studentResultEmpty = $studentResultContent = array();
foreach ($studentResult as $row) {
if ($row['score'] == '-') {
$studentResultEmpty[] = $row;
} else {
$studentResultContent[] = $row;
}
}
// Sort only users with content
usort($studentResultContent, 'sort_user');
$studentResult = array_merge($studentResultContent, $studentResultEmpty);
foreach ($studentResult as $row) {
$html .= $row['html'];
$row_not_global['results'][] = $row['array'];
$row_not_global['users'][] = $row['user'];
$row_not_global['usernames'][] = $row['username'];
}
$export_array[] = $row_not_global;
}
}
if ($global) {
// Exam taken
$html .= '<td>';
$html .= $taken;
$globalRow[] = $taken;
$html .= '</td>';
// Exam NOT taken
$html .= '<td>';
$html .= $not_taken = $totalStudents - $taken;
$globalRow[] = $not_taken;
$html .= '</td>';
// Exam pass
if (!empty($total_with_parameter_score)) {
$html .= '<td style="background-color:#DFFFA8" >';
} else {
$html .= '<td style="background-color:#FCE89A" >';
}
$html .= $total_with_parameter_score;
$globalRow[] = $total_with_parameter_score;
$html .= '</td>';
// Exam fail
$html .= '<td>';
$html .= $fail = $taken - $total_with_parameter_score;
$globalRow[] = $fail;
$html .= '</td>';
$html .= '<td>';
$html .= $totalStudents;
$globalRow[] = $totalStudents;
$html .= '</td>';
$html .= '</tr>';
$export_array_global[] = $globalRow;
}
return array(
'html' => $html,
'export_array_global' => $global ? $export_array_global : $export_array,
'total_students' => $totalStudents
);
}
Display :: display_footer();