*
* @package chamilo.library
*/
class Tracking
{
/**
* Get group reporting.
*
* @param int $course_id
* @param int $sessionId
* @param int $group_id
* @param string $type
* @param int $start
* @param int $limit
* @param int $sidx
* @param string $sord
* @param array $where_condition
*
* @return array|null
*/
public static function get_group_reporting(
$course_id,
$sessionId = 0,
$group_id = 0,
$type = 'all',
$start = 0,
$limit = 1000,
$sidx = 1,
$sord = 'desc',
$where_condition = []
) {
$course_id = (int) $course_id;
$sessionId = (int) $sessionId;
if (empty($course_id)) {
return null;
}
$courseInfo = api_get_course_info_by_id($course_id);
if ($type == 'count') {
return GroupManager::get_group_list(null, $courseInfo, null, $sessionId, true);
}
$groupList = GroupManager::get_group_list(null, $courseInfo, null, $sessionId);
$parsedResult = [];
if (!empty($groupList)) {
foreach ($groupList as $group) {
$users = GroupManager::get_users($group['id'], true, null, null, false, $courseInfo['real_id']);
$time = 0;
$avg_student_score = 0;
$avg_student_progress = 0;
$work = 0;
$messages = 0;
foreach ($users as $user_data) {
$time += self::get_time_spent_on_the_course(
$user_data['user_id'],
$courseInfo['real_id'],
$sessionId
);
$average = self::get_avg_student_score(
$user_data['user_id'],
$courseInfo['code'],
[],
$sessionId
);
if (is_numeric($average)) {
$avg_student_score += $average;
}
$avg_student_progress += self::get_avg_student_progress(
$user_data['user_id'],
$courseInfo['code'],
[],
$sessionId
);
$work += self::count_student_assignments(
$user_data['user_id'],
$courseInfo['code'],
$sessionId
);
$messages += self::count_student_messages(
$user_data['user_id'],
$courseInfo['code'],
$sessionId
);
}
$countUsers = count($users);
$averageProgress = empty($countUsers) ? 0 : round($avg_student_progress / $countUsers, 2);
$averageScore = empty($countUsers) ? 0 : round($avg_student_score / $countUsers, 2);
$groupItem = [
'id' => $group['id'],
'name' => $group['name'],
'time' => api_time_to_hms($time),
'progress' => $averageProgress,
'score' => $averageScore,
'works' => $work,
'messages' => $messages,
];
$parsedResult[] = $groupItem;
}
}
return $parsedResult;
}
/**
* @param int $user_id
* @param array $courseInfo
* @param int $session_id
* @param string $origin
* @param bool $export_csv
* @param int $lp_id
* @param int $lp_item_id
* @param int $extendId
* @param int $extendAttemptId
* @param string $extendedAttempt
* @param string $extendedAll
* @param string $type classic or simple
* @param bool $allowExtend Optional. Allow or not extend te results
*
* @return string
*/
public static function getLpStats(
$user_id,
$courseInfo,
$session_id,
$origin,
$export_csv,
$lp_id,
$lp_item_id = null,
$extendId = null,
$extendAttemptId = null,
$extendedAttempt = null,
$extendedAll = null,
$type = 'classic',
$allowExtend = true
) {
if (empty($courseInfo) || empty($lp_id)) {
return '';
}
$hideTime = api_get_configuration_value('hide_lp_time');
$allowNewTracking = api_get_configuration_value('use_new_tracking_in_lp_item');
$lp_id = (int) $lp_id;
if ($allowNewTracking) {
$extraField = new ExtraFieldValue('lp');
$result = $extraField->get_values_by_handler_and_field_variable($lp_id, 'track_lp_item');
if (empty($result)) {
$allowNewTracking = false;
} else {
if (isset($result['value']) && $result['value'] == 1) {
$allowNewTracking = true;
}
}
}
$lp_item_id = (int) $lp_item_id;
$user_id = (int) $user_id;
$session_id = (int) $session_id;
$origin = Security::remove_XSS($origin);
$list = learnpath::get_flat_ordered_items_list($lp_id, 0, $courseInfo['real_id']);
$is_allowed_to_edit = api_is_allowed_to_edit(null, true);
$course_id = $courseInfo['real_id'];
$courseCode = $courseInfo['code'];
$session_condition = api_get_session_condition($session_id);
// Extend all button
$output = '';
$url_suffix = '&lp_id='.$lp_id;
if ($origin === 'tracking') {
$url_suffix = '&session_id='.$session_id.'&course='.$courseCode.'&student_id='.$user_id.'&lp_id='.$lp_id.'&origin='.$origin;
}
$extend_all = 0;
if (!empty($extendedAll)) {
$extend_all_link = Display::url(
Display::return_icon('view_less_stats.gif', get_lang('Hide all attempts')),
api_get_self().'?action=stats'.$url_suffix
);
$extend_all = 1;
} else {
$extend_all_link = Display::url(
Display::return_icon('view_more_stats.gif', get_lang('Show all attempts')),
api_get_self().'?action=stats&extend_all=1'.$url_suffix
);
}
if ($origin != 'tracking') {
$output .= '
';
$output .= Display::page_header(get_lang('My progress'));
$output .= '
';
}
$actionColumn = null;
if ($type === 'classic') {
$actionColumn = ' '.get_lang('Detail').' | ';
}
$timeHeader = ''.get_lang('Time').' | ';
if ($hideTime) {
$timeHeader = '';
}
$output .= '';
$output .= '
';
// Going through the items using the $items[] array instead of the database order ensures
// we get them in the same order as in the imsmanifest file, which is rather random when using
// the database table.
$TBL_LP_ITEM = Database::get_course_table(TABLE_LP_ITEM);
$TBL_LP_ITEM_VIEW = Database::get_course_table(TABLE_LP_ITEM_VIEW);
$TBL_LP_VIEW = Database::get_course_table(TABLE_LP_VIEW);
$tbl_quiz_questions = Database::get_course_table(TABLE_QUIZ_QUESTION);
$TBL_QUIZ = Database::get_course_table(TABLE_QUIZ_TEST);
$tbl_stats_exercices = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
$tbl_stats_attempts = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$sql = "SELECT max(view_count)
FROM $TBL_LP_VIEW
WHERE
c_id = $course_id AND
lp_id = $lp_id AND
user_id = $user_id
$session_condition";
$res = Database::query($sql);
$view = 0;
if (Database::num_rows($res) > 0) {
$myrow = Database::fetch_array($res);
$view = (int) $myrow[0];
}
$counter = 0;
$total_time = 0;
$h = get_lang('h');
if (!empty($export_csv)) {
$csvHeaders = [
get_lang('Learning object name'),
get_lang('Status'),
get_lang('Score'),
];
if ($hideTime === false) {
$csvHeaders[] = get_lang('Time');
}
$csv_content[] = $csvHeaders;
}
$result_disabled_ext_all = true;
$chapterTypes = learnpath::getChapterTypes();
$accessToPdfExport = api_is_allowed_to_edit(false, false, true);
$minimunAvailable = self::minimumTimeAvailable($session_id, $course_id);
$timeCourse = [];
if ($minimunAvailable) {
$timeCourse = self::getCalculateTime($user_id, $course_id, $session_id);
Session::write('trackTimeCourse', $timeCourse);
}
// Show lp items
if (is_array($list) && count($list) > 0) {
foreach ($list as $my_item_id) {
$extend_this = 0;
$order = 'DESC';
if ((!empty($extendId) && $extendId == $my_item_id) || $extend_all) {
$extend_this = 1;
$order = 'ASC';
}
// Prepare statement to go through each attempt.
$viewCondition = null;
if (!empty($view)) {
$viewCondition = " AND v.view_count = $view ";
}
$sql = "SELECT
iv.status as mystatus,
v.view_count as mycount,
iv.score as myscore,
iv.total_time as mytime,
i.iid as myid,
i.lp_id as mylpid,
iv.lp_view_id as mylpviewid,
i.title as mytitle,
i.max_score as mymaxscore,
iv.max_score as myviewmaxscore,
i.item_type as item_type,
iv.view_count as iv_view_count,
iv.id as iv_id,
path
FROM $TBL_LP_ITEM as i
INNER JOIN $TBL_LP_ITEM_VIEW as iv
ON (i.iid = iv.lp_item_id AND i.c_id = iv.c_id)
INNER JOIN $TBL_LP_VIEW as v
ON (iv.lp_view_id = v.id AND v.c_id = iv.c_id)
WHERE
v.c_id = $course_id AND
i.iid = $my_item_id AND
i.lp_id = $lp_id AND
v.user_id = $user_id AND
v.session_id = $session_id
$viewCondition
ORDER BY iv.view_count $order ";
$result = Database::query($sql);
$num = Database::num_rows($result);
$time_for_total = 0;
$attemptResult = 0;
if ($allowNewTracking && $timeCourse) {
if (isset($timeCourse['learnpath_detailed']) &&
isset($timeCourse['learnpath_detailed'][$lp_id]) &&
isset($timeCourse['learnpath_detailed'][$lp_id][$my_item_id])
) {
$attemptResult = $timeCourse['learnpath_detailed'][$lp_id][$my_item_id][$view];
}
}
// Extend all
if (($extend_this || $extend_all) && $num > 0) {
$row = Database::fetch_array($result);
$result_disabled_ext_all = false;
if ($row['item_type'] === 'quiz') {
// Check results_disabled in quiz table.
$my_path = Database::escape_string($row['path']);
$sql = "SELECT results_disabled
FROM $TBL_QUIZ
WHERE
c_id = $course_id AND
id ='".$my_path."'";
$res_result_disabled = Database::query($sql);
$row_result_disabled = Database::fetch_row($res_result_disabled);
if (Database::num_rows($res_result_disabled) > 0 &&
(int) $row_result_disabled[0] === 1
) {
$result_disabled_ext_all = true;
}
}
// If there are several attempts, and the link to extend has been clicked, show each attempt...
$oddclass = 'row_even';
if (($counter % 2) === 0) {
$oddclass = 'row_odd';
}
$extend_link = '';
if (!empty($inter_num)) {
$extend_link = Display::url(
Display::return_icon(
'visible.png',
get_lang('Hide attempt view')
),
api_get_self().'?action=stats&fold_id='.$my_item_id.$url_suffix
);
}
$title = $row['mytitle'];
if (empty($title)) {
$title = learnpath::rl_get_resource_name($courseInfo['code'], $lp_id, $row['myid']);
}
if (in_array($row['item_type'], $chapterTypes)) {
$title = " $title
";
}
$lesson_status = $row['mystatus'];
$title = Security::remove_XSS($title);
$counter++;
$action = null;
if ($type === 'classic') {
$action = ' | ';
}
if (in_array($row['item_type'], $chapterTypes)) {
$output .= '
'.$extend_link.' |
'.$title.'
|
'.learnpathItem::humanize_status($lesson_status, true, $type).' |
|
|
'.$action.'
';
continue;
} else {
$output .= '
'.$extend_link.' |
'.$title.' |
|
|
|
'.$action.'
';
}
$attemptCount = 1;
do {
// Check if there are interactions below.
$extend_attempt_link = '';
$extend_this_attempt = 0;
if ($allowNewTracking && $timeCourse) {
//$attemptResult = 0;
if (isset($timeCourse['learnpath_detailed']) &&
isset($timeCourse['learnpath_detailed'][$lp_id]) &&
isset($timeCourse['learnpath_detailed'][$lp_id][$my_item_id])
) {
$attemptResult = $timeCourse['learnpath_detailed'][$lp_id][$my_item_id][$row['iv_view_count']];
}
}
if ((
learnpath::get_interactions_count_from_db($row['iv_id'], $course_id) > 0 ||
learnpath::get_objectives_count_from_db($row['iv_id'], $course_id) > 0
) &&
!$extend_all
) {
if ($extendAttemptId == $row['iv_id']) {
// The extend button for this attempt has been clicked.
$extend_this_attempt = 1;
$extend_attempt_link = Display::url(
Display::return_icon('visible.png', get_lang('Hide attempt view')),
api_get_self().'?action=stats&extend_id='.$my_item_id.'&fold_attempt_id='.$row['iv_id'].$url_suffix
);
if ($accessToPdfExport) {
$extend_attempt_link .= ' '.
Display::url(
Display::return_icon('pdf.png', get_lang('Export to PDF')),
api_get_self(
).'?action=export_stats&extend_id='.$my_item_id.'&extend_attempt_id='.$row['iv_id'].$url_suffix
);
}
} else { // Same case if fold_attempt_id is set, so not implemented explicitly.
// The extend button for this attempt has not been clicked.
$extend_attempt_link = Display::url(
Display::return_icon('invisible.png', get_lang('Extend attempt view')),
api_get_self().'?action=stats&extend_id='.$my_item_id.'&extend_attempt_id='.$row['iv_id'].$url_suffix
);
if ($accessToPdfExport) {
$extend_attempt_link .= ' '.
Display::url(
Display::return_icon('pdf.png', get_lang('Export to PDF')),
api_get_self(
).'?action=export_stats&extend_id='.$my_item_id.'&extend_attempt_id='.$row['iv_id'].$url_suffix
);
}
}
}
$oddclass = 'row_even';
if (($counter % 2) == 0) {
$oddclass = 'row_odd';
}
$lesson_status = $row['mystatus'];
$score = $row['myscore'];
$time_for_total = $row['mytime'];
$attemptTime = $row['mytime'];
if ($minimunAvailable) {
$lp_time = $timeCourse[TOOL_LEARNPATH];
$lpTime = null;
if (isset($lp_time[$lp_id])) {
$lpTime = (int) $lp_time[$lp_id];
}
$time_for_total = $lpTime;
if ($allowNewTracking) {
$time_for_total = (int) $attemptResult;
$attemptTime = (int) $attemptResult;
}
}
$time = learnpathItem::getScormTimeFromParameter('js', $attemptTime);
if ($score == 0) {
$maxscore = $row['mymaxscore'];
} else {
if ($row['item_type'] === 'sco') {
if (!empty($row['myviewmaxscore']) && $row['myviewmaxscore'] > 0) {
$maxscore = $row['myviewmaxscore'];
} elseif ($row['myviewmaxscore'] === '') {
$maxscore = 0;
} else {
$maxscore = $row['mymaxscore'];
}
} else {
$maxscore = $row['mymaxscore'];
}
}
// Remove "NaN" if any (@todo: locate the source of these NaN)
$time = str_replace('NaN', '00'.$h.'00\'00"', $time);
if ($row['item_type'] !== 'dir') {
if (!$is_allowed_to_edit && $result_disabled_ext_all) {
$view_score = Display::return_icon(
'invisible.png',
get_lang('Results hidden by the exercise setting')
);
} else {
switch ($row['item_type']) {
case 'sco':
if ($maxscore == 0) {
$view_score = $score;
} else {
$view_score = ExerciseLib::show_score(
$score,
$maxscore,
false
);
}
break;
case 'document':
$view_score = ($score == 0 ? '/' : ExerciseLib::show_score($score, $maxscore, false));
break;
default:
$view_score = ExerciseLib::show_score(
$score,
$maxscore,
false
);
break;
}
}
$action = null;
if ($type == 'classic') {
$action = ' | ';
}
$timeRow = ''.$time.' | ';
if ($hideTime) {
$timeRow = '';
}
$output .= '
|
'.$extend_attempt_link.' |
'.get_lang('Attempt').' '.$attemptCount.' |
'.learnpathItem::humanize_status($lesson_status, true, $type).' |
'.$view_score.' |
'.$timeRow.'
'.$action.'
';
$attemptCount++;
if (!empty($export_csv)) {
$temp = [];
$temp[] = $title = Security::remove_XSS($title);
$temp[] = Security::remove_XSS(
learnpathItem::humanize_status($lesson_status, false, $type)
);
if ($row['item_type'] === 'quiz') {
if (!$is_allowed_to_edit && $result_disabled_ext_all) {
$temp[] = '/';
} else {
$temp[] = ($score == 0 ? '0/'.$maxscore : ($maxscore == 0 ? $score : $score.'/'.float_format($maxscore, 1)));
}
} else {
$temp[] = ($score == 0 ? '/' : ($maxscore == 0 ? $score : $score.'/'.float_format($maxscore, 1)));
}
if ($hideTime === false) {
$temp[] = $time;
}
$csv_content[] = $temp;
}
}
$counter++;
$action = null;
if ($type === 'classic') {
$action = ' | ';
}
if ($extend_this_attempt || $extend_all) {
$list1 = learnpath::get_iv_interactions_array($row['iv_id'], $course_id);
foreach ($list1 as $id => $interaction) {
$oddclass = 'row_even';
if (($counter % 2) == 0) {
$oddclass = 'row_odd';
}
$timeRow = ''.$interaction['time'].' | ';
if ($hideTime) {
$timeRow = '';
}
$output .= '
|
|
|
'.$interaction['order_id'].' |
'.$interaction['id'].' | ';
$output .= '
'.$interaction['type'].' |
'.$interaction['student_response_formatted'].' |
'.$interaction['result'].' |
'.$interaction['latency'].' |
'.$timeRow.'
'.$action.'
';
$counter++;
}
$list2 = learnpath::get_iv_objectives_array($row['iv_id'], $course_id);
foreach ($list2 as $id => $interaction) {
$oddclass = 'row_even';
if (($counter % 2) === 0) {
$oddclass = 'row_odd';
}
$output .= '
|
|
|
'.$interaction['order_id'].' |
'.$interaction['objective_id'].' |
'.$interaction['status'].' |
'.$interaction['score_raw'].' |
'.$interaction['score_max'].' |
'.$interaction['score_min'].' |
'.$action.'
';
$counter++;
}
}
} while ($row = Database::fetch_array($result));
} elseif ($num > 0) {
// Not extended.
$row = Database::fetch_array($result, 'ASSOC');
$my_id = $row['myid'];
$my_lp_id = $row['mylpid'];
$my_lp_view_id = $row['mylpviewid'];
$my_path = $row['path'];
$result_disabled_ext_all = false;
if ($row['item_type'] === 'quiz') {
// Check results_disabled in quiz table.
$my_path = Database::escape_string($my_path);
$sql = "SELECT results_disabled
FROM $TBL_QUIZ
WHERE c_id = $course_id AND id = '$my_path' ";
$res_result_disabled = Database::query($sql);
$row_result_disabled = Database::fetch_row($res_result_disabled);
if (Database::num_rows($res_result_disabled) > 0 &&
(int) $row_result_disabled[0] === 1
) {
$result_disabled_ext_all = true;
}
}
// Check if there are interactions below
$extend_this_attempt = 0;
$inter_num = learnpath::get_interactions_count_from_db($row['iv_id'], $course_id);
$objec_num = learnpath::get_objectives_count_from_db($row['iv_id'], $course_id);
$extend_attempt_link = '';
if ($inter_num > 0 || $objec_num > 0) {
if (!empty($extendAttemptId) && $extendAttemptId == $row['iv_id']) {
// The extend button for this attempt has been clicked.
$extend_this_attempt = 1;
$extend_attempt_link = Display::url(
Display::return_icon('visible.png', get_lang('Hide attempt view')),
api_get_self().'?action=stats&extend_id='.$my_item_id.'&fold_attempt_id='.$row['iv_id'].$url_suffix
);
} else {
// Same case if fold_attempt_id is set, so not implemented explicitly.
// The extend button for this attempt has not been clicked.
$extend_attempt_link = Display::url(
Display::return_icon('invisible.png', get_lang('Extend attempt view')),
api_get_self().'?action=stats&extend_id='.$my_item_id.'&extend_attempt_id='.$row['iv_id'].$url_suffix
);
}
}
$oddclass = 'row_even';
if (($counter % 2) == 0) {
$oddclass = 'row_odd';
}
$extend_link = '';
if ($inter_num > 1) {
$extend_link = Display::url(
Display::return_icon('invisible.png', get_lang('Extend attempt view')),
api_get_self().'?action=stats&extend_id='.$my_item_id.'&extend_attempt_id='.$row['iv_id'].$url_suffix
);
}
$lesson_status = $row['mystatus'];
$score = $row['myscore'];
$subtotal_time = $row['mytime'];
while ($tmp_row = Database::fetch_array($result)) {
$subtotal_time += $tmp_row['mytime'];
}
if ($allowNewTracking) {
$subtotal_time = $attemptResult;
}
$title = $row['mytitle'];
// Selecting the exe_id from stats attempts tables in order to look the max score value.
$sql = 'SELECT * FROM '.$tbl_stats_exercices.'
WHERE
exe_exo_id="'.$row['path'].'" AND
exe_user_id="'.$user_id.'" AND
orig_lp_id = "'.$lp_id.'" AND
orig_lp_item_id = "'.$row['myid'].'" AND
c_id = '.$course_id.' AND
status <> "incomplete" AND
session_id = '.$session_id.'
ORDER BY exe_date DESC
LIMIT 1';
$resultLastAttempt = Database::query($sql);
$num = Database::num_rows($resultLastAttempt);
$id_last_attempt = null;
if ($num > 0) {
while ($rowLA = Database::fetch_array($resultLastAttempt)) {
$id_last_attempt = $rowLA['exe_id'];
}
}
switch ($row['item_type']) {
case 'sco':
if (!empty($row['myviewmaxscore']) && $row['myviewmaxscore'] > 0) {
$maxscore = $row['myviewmaxscore'];
} elseif ($row['myviewmaxscore'] === '') {
$maxscore = 0;
} else {
$maxscore = $row['mymaxscore'];
}
break;
case 'quiz':
// Get score and total time from last attempt of a exercise en lp.
$sql = "SELECT iid, score
FROM $TBL_LP_ITEM_VIEW
WHERE
c_id = $course_id AND
lp_item_id = '".(int) $my_id."' AND
lp_view_id = '".(int) $my_lp_view_id."'
ORDER BY view_count DESC
LIMIT 1";
$res_score = Database::query($sql);
$row_score = Database::fetch_array($res_score);
$sql = "SELECT SUM(total_time) as total_time
FROM $TBL_LP_ITEM_VIEW
WHERE
c_id = $course_id AND
lp_item_id = '".(int) $my_id."' AND
lp_view_id = '".(int) $my_lp_view_id."'";
$res_time = Database::query($sql);
$row_time = Database::fetch_array($res_time);
$score = 0;
$subtotal_time = 0;
if (Database::num_rows($res_score) > 0 &&
Database::num_rows($res_time) > 0
) {
$score = (float) $row_score['score'];
$subtotal_time = (int) $row_time['total_time'];
}
// Selecting the max score from an attempt.
$sql = "SELECT SUM(t.ponderation) as maxscore
FROM (
SELECT DISTINCT
question_id, marks, ponderation
FROM $tbl_stats_attempts as at
INNER JOIN $tbl_quiz_questions as q
ON (q.id = at.question_id AND q.c_id = $course_id)
WHERE exe_id ='$id_last_attempt'
) as t";
$result = Database::query($sql);
$row_max_score = Database::fetch_array($result);
$maxscore = $row_max_score['maxscore'];
// Get duration time from track_e_exercises.exe_duration instead of lp_view_item.total_time
$sql = 'SELECT SUM(exe_duration) exe_duration
FROM '.$tbl_stats_exercices.'
WHERE
exe_exo_id="'.$row['path'].'" AND
exe_user_id="'.$user_id.'" AND
orig_lp_id = "'.$lp_id.'" AND
orig_lp_item_id = "'.$row['myid'].'" AND
c_id = '.$course_id.' AND
status <> "incomplete" AND
session_id = '.$session_id.'
ORDER BY exe_date DESC ';
$sumScoreResult = Database::query($sql);
$durationRow = Database::fetch_array($sumScoreResult, 'ASSOC');
if (!empty($durationRow['exe_duration'])) {
$exeDuration = $durationRow['exe_duration'];
if ($exeDuration != $subtotal_time &&
!empty($row_score['iid']) &&
!empty($exeDuration)
) {
$subtotal_time = $exeDuration;
// Update c_lp_item_view.total_time
$sqlUpdate = "UPDATE $TBL_LP_ITEM_VIEW SET total_time = '$exeDuration'
WHERE iid = ".$row_score['iid'];
Database::query($sqlUpdate);
}
}
break;
default:
$maxscore = $row['mymaxscore'];
break;
}
$time_for_total = $subtotal_time;
$time = learnpathItem::getScormTimeFromParameter('js', $subtotal_time);
if (empty($title)) {
$title = learnpath::rl_get_resource_name(
$courseInfo['code'],
$lp_id,
$row['myid']
);
}
$action = null;
if ($type == 'classic') {
$action = ' | ';
}
if (in_array($row['item_type'], $chapterTypes)) {
$title = Security::remove_XSS($title);
$output .= '
'.$extend_link.' |
'.$title.'
|
'.learnpathitem::humanize_status($lesson_status).' |
|
|
'.$action.'
';
} else {
$correct_test_link = '-';
$showRowspan = false;
if ($row['item_type'] === 'quiz') {
$my_url_suffix = '&course='.$courseCode.'&student_id='.$user_id.'&lp_id='.intval($row['mylpid']).'&origin='.$origin;
$sql = 'SELECT * FROM '.$tbl_stats_exercices.'
WHERE
exe_exo_id="'.$row['path'].'" AND
exe_user_id="'.$user_id.'" AND
orig_lp_id = "'.$lp_id.'" AND
orig_lp_item_id = "'.$row['myid'].'" AND
c_id = '.$course_id.' AND
status <> "incomplete" AND
session_id = '.$session_id.'
ORDER BY exe_date DESC ';
$resultLastAttempt = Database::query($sql);
$num = Database::num_rows($resultLastAttempt);
$showRowspan = false;
if ($num > 0) {
$linkId = 'link_'.$my_id;
if ($extendedAttempt == 1 &&
$lp_id == $my_lp_id &&
$lp_item_id == $my_id
) {
$showRowspan = true;
$correct_test_link = Display::url(
Display::return_icon(
'view_less_stats.gif',
get_lang('Hide all attempts')
),
api_get_self().'?action=stats'.$my_url_suffix.'&session_id='.$session_id.'&lp_item_id='.$my_id.'#'.$linkId,
['id' => $linkId]
);
} else {
$correct_test_link = Display::url(
Display::return_icon(
'view_more_stats.gif',
get_lang(
'Show all attemptsByExercise'
)
),
api_get_self().'?action=stats&extend_attempt=1'.$my_url_suffix.'&session_id='.$session_id.'&lp_item_id='.$my_id.'#'.$linkId,
['id' => $linkId]
);
}
}
}
$title = Security::remove_XSS($title);
$action = null;
if ($type === 'classic') {
$action = ''.$correct_test_link.' | ';
}
if ($lp_id == $my_lp_id && false) {
$output .= '
'.$extend_link.' |
'.$title.' |
|
|
|
'.$action.'
';
$output .= '';
} else {
if ($lp_id == $my_lp_id && $lp_item_id == $my_id) {
$output .= "";
} else {
$output .= "
";
}
$scoreItem = null;
if ($row['item_type'] == 'quiz') {
if (!$is_allowed_to_edit && $result_disabled_ext_all) {
$scoreItem .= Display::return_icon(
'invisible.png',
get_lang('Results hidden by the exercise setting')
);
} else {
$scoreItem .= ExerciseLib::show_score($score, $maxscore, false);
}
} else {
$scoreItem .= $score == 0 ? '/' : ($maxscore == 0 ? $score : $score.'/'.$maxscore);
}
$timeRow = ''.$time.' | ';
if ($hideTime) {
$timeRow = '';
}
$output .= '
'.$extend_link.' |
'.$title.' |
'.learnpathitem::humanize_status($lesson_status).' |
'.$scoreItem.' |
'.$timeRow.'
'.$action.'
';
$output .= '
';
}
if (!empty($export_csv)) {
$temp = [];
$temp[] = api_html_entity_decode($title, ENT_QUOTES);
$temp[] = api_html_entity_decode($lesson_status, ENT_QUOTES);
if ($row['item_type'] === 'quiz') {
if (!$is_allowed_to_edit && $result_disabled_ext_all) {
$temp[] = '/';
} else {
$temp[] = ($score == 0 ? '0/'.$maxscore : ($maxscore == 0 ? $score : $score.'/'.float_format($maxscore, 1)));
}
} else {
$temp[] = ($score == 0 ? '/' : ($maxscore == 0 ? $score : $score.'/'.float_format($maxscore, 1)));
}
if ($hideTime === false) {
$temp[] = $time;
}
$csv_content[] = $temp;
}
}
$counter++;
$action = null;
if ($type === 'classic') {
$action = ' | ';
}
if ($extend_this_attempt || $extend_all) {
$list1 = learnpath::get_iv_interactions_array($row['iv_id'], $course_id);
foreach ($list1 as $id => $interaction) {
if (($counter % 2) == 0) {
$oddclass = 'row_odd';
} else {
$oddclass = 'row_even';
}
$timeRow = ''.$interaction['time'].' | ';
if ($hideTime) {
$timeRow = '';
}
$output .= '
|
|
|
'.$interaction['order_id'].' |
'.$interaction['id'].' |
'.$interaction['type'].' |
'.urldecode($interaction['student_response']).' |
'.$interaction['result'].' |
'.$interaction['latency'].' |
'.$timeRow.'
'.$action.'
';
$counter++;
}
$list2 = learnpath::get_iv_objectives_array($row['iv_id'], $course_id);
foreach ($list2 as $id => $interaction) {
if (($counter % 2) == 0) {
$oddclass = 'row_odd';
} else {
$oddclass = 'row_even';
}
$output .= '
|
|
|
'.$interaction['order_id'].' |
'.$interaction['objective_id'].' |
'.$interaction['status'].' |
'.$interaction['score_raw'].' |
'.$interaction['score_max'].' |
'.$interaction['score_min'].' |
'.$action.'
';
$counter++;
}
}
// Attempts listing by exercise.
if ($lp_id == $my_lp_id && $lp_item_id == $my_id && $extendedAttempt) {
// Get attempts of a exercise.
if (!empty($lp_id) &&
!empty($lp_item_id) &&
$row['item_type'] === 'quiz'
) {
$sql = "SELECT path FROM $TBL_LP_ITEM
WHERE
c_id = $course_id AND
iid = '$lp_item_id' AND
lp_id = '$lp_id'";
$res_path = Database::query($sql);
$row_path = Database::fetch_array($res_path);
if (Database::num_rows($res_path) > 0) {
$sql = 'SELECT * FROM '.$tbl_stats_exercices.'
WHERE
exe_exo_id="'.(int) $row_path['path'].'" AND
status <> "incomplete" AND
exe_user_id="'.$user_id.'" AND
orig_lp_id = "'.(int) $lp_id.'" AND
orig_lp_item_id = "'.(int) $lp_item_id.'" AND
c_id = '.$course_id.' AND
session_id = '.$session_id.'
ORDER BY exe_date';
$res_attempts = Database::query($sql);
$num_attempts = Database::num_rows($res_attempts);
if ($num_attempts > 0) {
$n = 1;
while ($row_attempts = Database::fetch_array($res_attempts)) {
$my_score = $row_attempts['score'];
$my_maxscore = $row_attempts['max_score'];
$my_exe_id = $row_attempts['exe_id'];
$mktime_start_date = api_strtotime($row_attempts['start_date'], 'UTC');
$mktime_exe_date = api_strtotime($row_attempts['exe_date'], 'UTC');
$time_attemp = ' - ';
if ($mktime_start_date && $mktime_exe_date) {
$time_attemp = api_format_time($row_attempts['exe_duration'], 'js');
}
if (!$is_allowed_to_edit && $result_disabled_ext_all) {
$view_score = Display::return_icon(
'invisible.png',
get_lang(
'Results hidden by the exercise setting'
)
);
} else {
// Show only float when need it
if ($my_score == 0) {
$view_score = ExerciseLib::show_score(
0,
$my_maxscore,
false
);
} else {
if ($my_maxscore == 0) {
$view_score = $my_score;
} else {
$view_score = ExerciseLib::show_score(
$my_score,
$my_maxscore,
false
);
}
}
}
$my_lesson_status = $row_attempts['status'];
if ($my_lesson_status == '') {
$my_lesson_status = learnpathitem::humanize_status('completed');
} elseif ($my_lesson_status == 'incomplete') {
$my_lesson_status = learnpathitem::humanize_status('incomplete');
}
$timeRow = ''.$time_attemp.' | ';
if ($hideTime) {
$timeRow = '';
}
$output .= '
|
'.$extend_attempt_link.' |
'.get_lang('Attempt').' '.$n.' |
'.$my_lesson_status.' |
'.$view_score.' |
'.$timeRow;
if ($action == 'classic') {
if ($origin != 'tracking') {
if (!$is_allowed_to_edit && $result_disabled_ext_all) {
$output .= '
| ';
} else {
$output .= '
| ';
}
} else {
if (!$is_allowed_to_edit && $result_disabled_ext_all) {
$output .= '
| ';
} else {
$output .= '
| ';
}
}
}
$output .= '
';
$n++;
}
}
$output .= ' |
';
}
}
}
}
$total_time += $time_for_total;
// QUIZZ IN LP
$a_my_id = [];
if (!empty($my_lp_id)) {
$a_my_id[] = $my_lp_id;
}
}
}
// NOT Extend all "left green cross"
if (!empty($a_my_id)) {
if ($extendedAttempt) {
// "Right green cross" extended
$total_score = self::get_avg_student_score(
$user_id,
$course_id,
$a_my_id,
$session_id,
false,
false
);
} else {
// "Left green cross" extended
$total_score = self::get_avg_student_score(
$user_id,
$course_id,
$a_my_id,
$session_id,
false,
true
);
}
} else {
// Extend all "left green cross"
$total_score = self::get_avg_student_score(
$user_id,
$course_id,
[$lp_id],
$session_id,
false,
false
);
}
$total_time = learnpathItem::getScormTimeFromParameter('js', $total_time);
$total_time = str_replace('NaN', '00'.$h.'00\'00"', $total_time);
if (!$is_allowed_to_edit && $result_disabled_ext_all) {
$final_score = Display::return_icon('invisible.png', get_lang('Results hidden by the exercise setting'));
$finalScoreToCsv = get_lang('Results hidden by the exercise setting');
} else {
if (is_numeric($total_score)) {
$final_score = $total_score.'%';
} else {
$final_score = $total_score;
}
$finalScoreToCsv = $final_score;
}
$progress = learnpath::getProgress($lp_id, $user_id, $course_id, $session_id);
$oddclass = 'row_even';
if (($counter % 2) == 0) {
$oddclass = 'row_odd';
}
$action = null;
if ($type === 'classic') {
$action = ' | ';
}
$timeTotal = ''.$total_time.'';
if ($hideTime) {
$timeTotal = '';
}
$output .= ' |
|
'.get_lang('Total of completed learning objects').'
|
'.$progress.'% |
'.$final_score.' |
'.$timeTotal.'
'.$action.'
';
$output .= '
';
if (!empty($export_csv)) {
$temp = [
'',
'',
'',
'',
];
$csv_content[] = $temp;
$temp = [
get_lang('Total of completed learning objects'),
'',
$finalScoreToCsv,
];
if ($hideTime === false) {
$temp[] = $total_time;
}
$csv_content[] = $temp;
ob_end_clean();
Export::arrayToCsv($csv_content, 'reporting_learning_path_details');
exit;
}
return $output;
}
/**
* @param int $userId
* @param bool $getCount
*
* @return array
*/
public static function getStats($userId, $getCount = false)
{
$courses = [];
$assignedCourses = [];
$drhCount = 0;
$teachersCount = 0;
$studentsCount = 0;
$studentBossCount = 0;
$courseCount = 0;
$sessionCount = 0;
$assignedCourseCount = 0;
if (api_is_drh() && api_drh_can_access_all_session_content()) {
$studentList = SessionManager::getAllUsersFromCoursesFromAllSessionFromStatus(
'drh_all',
$userId,
false,
null,
null,
null,
null,
null,
null,
null,
[],
[],
STUDENT
);
$students = [];
if (is_array($studentList)) {
foreach ($studentList as $studentData) {
$students[] = $studentData['user_id'];
}
}
$studentBossesList = SessionManager::getAllUsersFromCoursesFromAllSessionFromStatus(
'drh_all',
$userId,
$getCount,
null,
null,
null,
null,
null,
null,
null,
[],
[],
STUDENT_BOSS
);
if ($getCount) {
$studentBossCount = $studentBossesList;
} else {
$studentBosses = [];
if (is_array($studentBossesList)) {
foreach ($studentBossesList as $studentBossData) {
$studentBosses[] = $studentBossData['user_id'];
}
}
}
$teacherList = SessionManager::getAllUsersFromCoursesFromAllSessionFromStatus(
'drh_all',
$userId,
$getCount,
null,
null,
null,
null,
null,
null,
null,
[],
[],
COURSEMANAGER
);
if ($getCount) {
$teachersCount = $teacherList;
} else {
$teachers = [];
foreach ($teacherList as $teacherData) {
$teachers[] = $teacherData['user_id'];
}
}
$humanResources = SessionManager::getAllUsersFromCoursesFromAllSessionFromStatus(
'drh_all',
$userId,
$getCount,
null,
null,
null,
null,
null,
null,
null,
[],
[],
DRH
);
if ($getCount) {
$drhCount = $humanResources;
} else {
$humanResourcesList = [];
if (is_array($humanResources)) {
foreach ($humanResources as $item) {
$humanResourcesList[] = $item['user_id'];
}
}
}
$platformCourses = SessionManager::getAllCoursesFollowedByUser(
$userId,
null,
null,
null,
null,
null,
$getCount
);
if ($getCount) {
$courseCount = $platformCourses;
} else {
foreach ($platformCourses as $course) {
$courses[$course['code']] = $course['code'];
}
}
$sessions = SessionManager::get_sessions_followed_by_drh(
$userId,
null,
null,
false
);
} else {
$studentList = UserManager::getUsersFollowedByUser(
$userId,
STUDENT,
false,
false,
false,
null,
null,
null,
null,
null,
null,
COURSEMANAGER
);
$students = [];
if (is_array($studentList)) {
foreach ($studentList as $studentData) {
$students[] = $studentData['user_id'];
}
}
$studentBossesList = UserManager::getUsersFollowedByUser(
$userId,
STUDENT_BOSS,
false,
false,
$getCount,
null,
null,
null,
null,
null,
null,
COURSEMANAGER
);
if ($getCount) {
$studentBossCount = $studentBossesList;
} else {
$studentBosses = [];
if (is_array($studentBossesList)) {
foreach ($studentBossesList as $studentBossData) {
$studentBosses[] = $studentBossData['user_id'];
}
}
}
$teacherList = UserManager::getUsersFollowedByUser(
$userId,
COURSEMANAGER,
false,
false,
$getCount,
null,
null,
null,
null,
null,
null,
COURSEMANAGER
);
if ($getCount) {
$teachersCount = $teacherList;
} else {
$teachers = [];
foreach ($teacherList as $teacherData) {
$teachers[] = $teacherData['user_id'];
}
}
$humanResources = UserManager::getUsersFollowedByUser(
$userId,
DRH,
false,
false,
$getCount,
null,
null,
null,
null,
null,
null,
COURSEMANAGER
);
if ($getCount) {
$drhCount = $humanResources;
} else {
$humanResourcesList = [];
foreach ($humanResources as $item) {
$humanResourcesList[] = $item['user_id'];
}
}
$platformCourses = CourseManager::getCoursesFollowedByUser(
$userId,
COURSEMANAGER,
null,
null,
null,
null,
$getCount,
null,
null,
true
);
if ($getCount) {
$assignedCourseCount = $platformCourses;
} else {
foreach ($platformCourses as $course) {
$assignedCourses[$course['code']] = $course['code'];
}
}
$platformCourses = CourseManager::getCoursesFollowedByUser(
$userId,
COURSEMANAGER,
null,
null,
null,
null,
$getCount
);
if ($getCount) {
$courseCount = $platformCourses;
} else {
foreach ($platformCourses as $course) {
$courses[$course['code']] = $course['code'];
}
}
$sessions = SessionManager::getSessionsFollowedByUser(
$userId,
COURSEMANAGER,
null,
null,
false
);
}
if ($getCount) {
return [
'drh' => $drhCount,
'teachers' => $teachersCount,
'student_count' => count($students),
'student_list' => $students,
'student_bosses' => $studentBossCount,
'courses' => $courseCount,
'session_count' => count($sessions),
'session_list' => $sessions,
'assigned_courses' => $assignedCourseCount,
];
}
return [
'drh' => $humanResourcesList,
'teachers' => $teachers,
'student_list' => $students,
'student_bosses' => $studentBosses,
'courses' => $courses,
'sessions' => $sessions,
'assigned_courses' => $assignedCourses,
];
}
/**
* Calculates the time spent on the platform by a user.
*
* @param int|array $userId
* @param string $timeFilter type of time filter: 'last_week' or 'custom'
* @param string $start_date start date date('Y-m-d H:i:s')
* @param string $end_date end date date('Y-m-d H:i:s')
*
* @return int
*/
public static function get_time_spent_on_the_platform(
$userId,
$timeFilter = 'last_7_days',
$start_date = null,
$end_date = null
) {
$tbl_track_login = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
$condition_time = '';
if (is_array($userId)) {
$userList = array_map('intval', $userId);
$userCondition = " login_user_id IN ('".implode("','", $userList)."')";
} else {
$userCondition = " login_user_id = ".intval($userId);
}
if (empty($timeFilter)) {
$timeFilter = 'last_week';
}
$today = new DateTime('now', new DateTimeZone('UTC'));
switch ($timeFilter) {
case 'last_7_days':
$newDate = new DateTime('-7 day', new DateTimeZone('UTC'));
$condition_time = " AND (login_date >= '{$newDate->format('Y-m-d H:i:s')}'";
$condition_time .= " AND logout_date <= '{$today->format('Y-m-d H:i:s')}') ";
break;
case 'last_30_days':
$newDate = new DateTime('-30 days', new DateTimeZone('UTC'));
$condition_time = " AND (login_date >= '{$newDate->format('Y-m-d H:i:s')}'";
$condition_time .= "AND logout_date <= '{$today->format('Y-m-d H:i:s')}') ";
break;
case 'custom':
if (!empty($start_date) && !empty($end_date)) {
$start_date = Database::escape_string($start_date);
$end_date = Database::escape_string($end_date);
$condition_time = ' AND (login_date >= "'.$start_date.'" AND logout_date <= "'.$end_date.'" ) ';
}
break;
}
$sql = 'SELECT SUM(TIMESTAMPDIFF(SECOND, login_date, logout_date)) diff
FROM '.$tbl_track_login.'
WHERE '.$userCondition.$condition_time;
$rs = Database::query($sql);
$row = Database::fetch_array($rs, 'ASSOC');
$diff = $row['diff'];
if ($diff >= 0) {
return $diff;
}
return -1;
}
/**
* @param string $startDate
* @param string $endDate
*
* @return int
*/
public static function getTotalTimeSpentOnThePlatform(
$startDate = '',
$endDate = ''
) {
$tbl_track_login = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
$tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$url_table = null;
$url_condition = null;
if (api_is_multiple_url_enabled()) {
$access_url_id = api_get_current_access_url_id();
$url_table = ", ".$tbl_url_rel_user." as url_users";
$url_condition = " AND u.login_user_id = url_users.user_id AND access_url_id='$access_url_id'";
}
if (!empty($startDate) && !empty($endDate)) {
$startDate = Database::escape_string($startDate);
$endDate = Database::escape_string($endDate);
$condition_time = ' (login_date >= "'.$startDate.'" AND logout_date <= "'.$endDate.'" ) ';
}
$sql = "SELECT SUM(TIMESTAMPDIFF(SECOND, login_date, logout_date)) diff
FROM $tbl_track_login u $url_table
WHERE $condition_time $url_condition";
$rs = Database::query($sql);
$row = Database::fetch_array($rs, 'ASSOC');
$diff = $row['diff'];
if ($diff >= 0) {
return $diff;
}
return -1;
}
/**
* Checks if the "lp_minimum_time" feature is available for the course.
*
* @param int $sessionId
* @param int $courseId
*
* @return bool
*/
public static function minimumTimeAvailable($sessionId, $courseId)
{
if (!api_get_configuration_value('lp_minimum_time')) {
return false;
}
if (!empty($sessionId)) {
$extraFieldValue = new ExtraFieldValue('session');
$value = $extraFieldValue->get_values_by_handler_and_field_variable($sessionId, 'new_tracking_system');
if ($value && isset($value['value']) && $value['value'] == 1) {
return true;
}
} else {
if ($courseId) {
$extraFieldValue = new ExtraFieldValue('course');
$value = $extraFieldValue->get_values_by_handler_and_field_variable($courseId, 'new_tracking_system');
if ($value && isset($value['value']) && $value['value'] == 1) {
return true;
}
}
}
return false;
}
/**
* Calculates the time spent on the course.
*
* @param int $user_id
* @param int $courseId
* @param int Session id (optional)
*
* @return int Time in seconds
*/
public static function get_time_spent_on_the_course(
$user_id,
$courseId,
$session_id = 0
) {
$courseId = (int) $courseId;
if (empty($courseId) || empty($user_id)) {
return 0;
}
if (self::minimumTimeAvailable($session_id, $courseId)) {
$courseTime = self::getCalculateTime($user_id, $courseId, $session_id);
$time = isset($courseTime['total_time']) ? $courseTime['total_time'] : 0;
return $time;
}
$session_id = (int) $session_id;
if (is_array($user_id)) {
$user_id = array_map('intval', $user_id);
$conditionUser = " AND user_id IN (".implode(',', $user_id).") ";
} else {
$user_id = (int) $user_id;
$conditionUser = " AND user_id = $user_id ";
}
$table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
$sql = "SELECT
SUM(UNIX_TIMESTAMP(logout_course_date) - UNIX_TIMESTAMP(login_course_date)) as nb_seconds
FROM $table
WHERE
UNIX_TIMESTAMP(logout_course_date) > UNIX_TIMESTAMP(login_course_date) AND
c_id = '$courseId' ";
if ($session_id != -1) {
$sql .= "AND session_id = '$session_id' ";
}
$sql .= $conditionUser;
$rs = Database::query($sql);
$row = Database::fetch_array($rs);
return $row['nb_seconds'];
}
/**
* Get first connection date for a student.
*
* @param int $student_id
*
* @return string|bool Date format long without day or false if there are no connections
*/
public static function get_first_connection_date($student_id)
{
$table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
$sql = 'SELECT login_date
FROM '.$table.'
WHERE login_user_id = '.intval($student_id).'
ORDER BY login_date ASC
LIMIT 0,1';
$rs = Database::query($sql);
if (Database::num_rows($rs) > 0) {
if ($first_login_date = Database::result($rs, 0, 0)) {
return api_convert_and_format_date(
$first_login_date,
DATE_FORMAT_SHORT
);
}
}
return false;
}
/**
* Get las connection date for a student.
*
* @param int $student_id
* @param bool $warning_message Show a warning message (optional)
* @param bool $return_timestamp True for returning results in timestamp (optional)
*
* @return string|int|bool Date format long without day, false if there are no connections or
* timestamp if parameter $return_timestamp is true
*/
public static function get_last_connection_date(
$student_id,
$warning_message = false,
$return_timestamp = false
) {
$table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
$sql = 'SELECT login_date
FROM '.$table.'
WHERE login_user_id = '.intval($student_id).'
ORDER BY login_date
DESC LIMIT 0,1';
$rs = Database::query($sql);
if (Database::num_rows($rs) > 0) {
if ($last_login_date = Database::result($rs, 0, 0)) {
$last_login_date = api_get_local_time($last_login_date);
if ($return_timestamp) {
return api_strtotime($last_login_date, 'UTC');
} else {
if (!$warning_message) {
return api_format_date($last_login_date, DATE_FORMAT_SHORT);
} else {
$timestamp = api_strtotime($last_login_date, 'UTC');
$currentTimestamp = time();
//If the last connection is > than 7 days, the text is red
//345600 = 7 days in seconds
if ($currentTimestamp - $timestamp > 604800) {
return ''.api_format_date($last_login_date, DATE_FORMAT_SHORT).'';
} else {
return api_format_date($last_login_date, DATE_FORMAT_SHORT);
}
}
}
}
}
return false;
}
/**
* Get first user's connection date on the course.
*
* @param int User id
* @param int $courseId
* @param int Session id (optional, default=0)
* @param bool $convert_date
*
* @return string|bool Date with format long without day or false if there is no date
*/
public static function get_first_connection_date_on_the_course(
$student_id,
$courseId,
$session_id = 0,
$convert_date = true
) {
$student_id = (int) $student_id;
$courseId = (int) $courseId;
$session_id = (int) $session_id;
$table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
$sql = 'SELECT login_course_date
FROM '.$table.'
WHERE
user_id = '.$student_id.' AND
c_id = '.$courseId.' AND
session_id = '.$session_id.'
ORDER BY login_course_date ASC
LIMIT 0,1';
$rs = Database::query($sql);
if (Database::num_rows($rs) > 0) {
if ($first_login_date = Database::result($rs, 0, 0)) {
if (empty($first_login_date)) {
return false;
}
if ($convert_date) {
return api_convert_and_format_date(
$first_login_date,
DATE_FORMAT_SHORT
);
}
return $first_login_date;
}
}
return false;
}
/**
* Get last user's connection date on the course.
*
* @param int User id
* @param array $courseInfo real_id and code are used
* @param int Session id (optional, default=0)
* @param bool $convert_date
*
* @return string|bool Date with format long without day or false if there is no date
*/
public static function get_last_connection_date_on_the_course(
$student_id,
$courseInfo,
$session_id = 0,
$convert_date = true
) {
// protect data
$student_id = (int) $student_id;
$session_id = (int) $session_id;
if (empty($courseInfo) || empty($student_id)) {
return false;
}
$courseId = $courseInfo['real_id'];
$table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
if (self::minimumTimeAvailable($session_id, $courseId)) {
// Show the last date on which the user acceed the session when it was active
$where_condition = '';
$userInfo = api_get_user_info($student_id);
if ($userInfo['status'] == STUDENT && !empty($session_id)) {
// fin de acceso a la sesión
$sessionInfo = SessionManager::fetch($session_id);
$last_access = $sessionInfo['access_end_date'];
if (!empty($last_access)) {
$where_condition = ' AND logout_course_date < "'.$last_access.'" ';
}
}
$sql = "SELECT logout_course_date
FROM $table
WHERE user_id = $student_id AND
c_id = $courseId AND
session_id = $session_id $where_condition
ORDER BY logout_course_date DESC
LIMIT 0,1";
$rs = Database::query($sql);
if (Database::num_rows($rs) > 0) {
if ($last_login_date = Database::result($rs, 0, 0)) {
if (empty($last_login_date)) {
return false;
}
if ($convert_date) {
return api_convert_and_format_date($last_login_date, DATE_FORMAT_SHORT);
}
return $last_login_date;
}
}
} else {
$sql = "SELECT logout_course_date
FROM $table
WHERE user_id = $student_id AND
c_id = $courseId AND
session_id = $session_id
ORDER BY logout_course_date DESC
LIMIT 0,1";
$rs = Database::query($sql);
if (Database::num_rows($rs) > 0) {
if ($last_login_date = Database::result($rs, 0, 0)) {
if (empty($last_login_date)) {
return false;
}
//see #5736
$last_login_date_timestamp = api_strtotime($last_login_date);
$now = time();
//If the last connection is > than 7 days, the text is red
//345600 = 7 days in seconds
if ($now - $last_login_date_timestamp > 604800) {
if ($convert_date) {
$last_login_date = api_convert_and_format_date($last_login_date, DATE_FORMAT_SHORT);
$icon = null;
if (api_is_allowed_to_edit()) {
$url = api_get_path(WEB_CODE_PATH).
'announcements/announcements.php?action=add&remind_inactive='.$student_id.'&cidReq='.$courseInfo['code'];
$icon = '
'.Display::return_icon('messagebox_warning.gif').'
';
}
return $icon.Display::label($last_login_date, 'warning');
}
return $last_login_date;
} else {
if ($convert_date) {
return api_convert_and_format_date($last_login_date, DATE_FORMAT_SHORT);
}
return $last_login_date;
}
}
}
}
return false;
}
/**
* Get count of the connections to the course during a specified period.
*
* @param int $courseId
* @param int Session id (optional)
* @param int Datetime from which to collect data (defaults to 0)
* @param int Datetime to which to collect data (defaults to now)
*
* @return int count connections
*/
public static function get_course_connections_count(
$courseId,
$session_id = 0,
$start = 0,
$stop = null
) {
if ($start < 0) {
$start = 0;
}
if (!isset($stop) || $stop < 0) {
$stop = api_get_utc_datetime();
}
// Given we're storing in cache, round the start and end times
// to the lower minute
$roundedStart = substr($start, 0, -2).'00';
$roundedStop = substr($stop, 0, -2).'00';
$roundedStart = Database::escape_string($roundedStart);
$roundedStop = Database::escape_string($roundedStop);
$month_filter = " AND login_course_date > '$roundedStart' AND login_course_date < '$roundedStop' ";
$courseId = (int) $courseId;
$session_id = (int) $session_id;
$count = 0;
$table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
$sql = "SELECT count(*) as count_connections
FROM $table
WHERE
c_id = $courseId AND
session_id = $session_id
$month_filter";
//This query can be very slow (several seconds on an indexed table
// with 14M rows). As such, we'll try to use APCu if it is
// available to store the resulting value for a few seconds
$cacheAvailable = api_get_configuration_value('apc');
if ($cacheAvailable === true) {
$apc = apcu_cache_info(true);
$apc_end = $apc['start_time'] + $apc['ttl'];
$apc_var = api_get_configuration_value('apc_prefix').'course_access_'.$courseId.'_'.$session_id.'_'.strtotime($roundedStart).'_'.strtotime($roundedStop);
if (apcu_exists($apc_var) && (time() < $apc_end) &&
apcu_fetch($apc_var) > 0
) {
$count = apcu_fetch($apc_var);
} else {
$rs = Database::query($sql);
if (Database::num_rows($rs) > 0) {
$row = Database::fetch_object($rs);
$count = $row->count_connections;
}
apcu_clear_cache();
apcu_store($apc_var, $count, 60);
}
} else {
$rs = Database::query($sql);
if (Database::num_rows($rs) > 0) {
$row = Database::fetch_object($rs);
$count = $row->count_connections;
}
}
return $count;
}
/**
* Get count courses per student.
*
* @param int $user_id Student id
* @param bool $include_sessions Include sessions (optional)
*
* @return int count courses
*/
public static function count_course_per_student($user_id, $include_sessions = true)
{
$user_id = (int) $user_id;
$tbl_course_rel_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
$tbl_session_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$sql = 'SELECT DISTINCT c_id
FROM '.$tbl_course_rel_user.'
WHERE user_id = '.$user_id.' AND relation_type<>'.COURSE_RELATION_TYPE_RRHH;
$rs = Database::query($sql);
$nb_courses = Database::num_rows($rs);
if ($include_sessions) {
$sql = 'SELECT DISTINCT c_id
FROM '.$tbl_session_course_rel_user.'
WHERE user_id = '.$user_id;
$rs = Database::query($sql);
$nb_courses += Database::num_rows($rs);
}
return $nb_courses;
}
/**
* Gets the score average from all tests in a course by student.
*
* @param $student_id
* @param $course_code
* @param int $exercise_id
* @param null $session_id
* @param int $active_filter 2 for consider all tests
* 1 for active <> -1
* 0 for active <> 0
* @param int $into_lp 1 for all exercises
* 0 for without LP
* @param mixed id
* @param string code
* @param int id (optional), filtered by exercise
* @param int id (optional), if param $session_id is null
* it'll return results including sessions, 0 = session is not filtered
*
* @return string value (number %) Which represents a round integer about the score average
*/
public static function get_avg_student_exercise_score(
$student_id,
$course_code,
$exercise_id = 0,
$session_id = null,
$active_filter = 1,
$into_lp = 0
) {
$course_code = Database::escape_string($course_code);
$course_info = api_get_course_info($course_code);
if (!empty($course_info)) {
// table definition
$tbl_course_quiz = Database::get_course_table(TABLE_QUIZ_TEST);
$tbl_stats_exercise = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
// Compose a filter based on optional exercise given
$condition_quiz = "";
if (!empty($exercise_id)) {
$exercise_id = intval($exercise_id);
$condition_quiz = " AND id = $exercise_id ";
}
// Compose a filter based on optional session id given
$condition_session = '';
if (isset($session_id)) {
$session_id = intval($session_id);
$condition_session = " AND session_id = $session_id ";
}
if ($active_filter == 1) {
$condition_active = 'AND active <> -1';
} elseif ($active_filter == 0) {
$condition_active = 'AND active <> 0';
} else {
$condition_active = '';
}
$condition_into_lp = '';
$select_lp_id = '';
if ($into_lp == 0) {
$condition_into_lp = 'AND orig_lp_id = 0 AND orig_lp_item_id = 0';
} else {
$select_lp_id = ', orig_lp_id as lp_id ';
}
$sql = "SELECT count(id)
FROM $tbl_course_quiz
WHERE c_id = {$course_info['real_id']} $condition_active $condition_quiz ";
$count_quiz = 0;
$countQuizResult = Database::query($sql);
if (!empty($countQuizResult)) {
$count_quiz = Database::fetch_row($countQuizResult);
}
if (!empty($count_quiz[0]) && !empty($student_id)) {
if (is_array($student_id)) {
$student_id = array_map('intval', $student_id);
$condition_user = " AND exe_user_id IN (".implode(',', $student_id).") ";
} else {
$student_id = intval($student_id);
$condition_user = " AND exe_user_id = '$student_id' ";
}
if (empty($exercise_id)) {
$sql = "SELECT id FROM $tbl_course_quiz
WHERE c_id = {$course_info['real_id']} $condition_active $condition_quiz";
$result = Database::query($sql);
$exercise_list = [];
$exercise_id = null;
if (!empty($result) && Database::num_rows($result)) {
while ($row = Database::fetch_array($result)) {
$exercise_list[] = $row['id'];
}
}
if (!empty($exercise_list)) {
$exercise_id = implode("','", $exercise_list);
}
}
$count_quiz = Database::fetch_row(Database::query($sql));
$sql = "SELECT
SUM(score/max_score*100) as avg_score,
COUNT(*) as num_attempts
$select_lp_id
FROM $tbl_stats_exercise
WHERE
exe_exo_id IN ('".$exercise_id."')
$condition_user AND
status = '' AND
c_id = {$course_info['real_id']}
$condition_session
$condition_into_lp
ORDER BY exe_date DESC";
$res = Database::query($sql);
$row = Database::fetch_array($res);
$quiz_avg_score = null;
if (!empty($row['avg_score'])) {
$quiz_avg_score = round($row['avg_score'], 2);
}
if (!empty($row['num_attempts'])) {
$quiz_avg_score = round($quiz_avg_score / $row['num_attempts'], 2);
}
if (is_array($student_id)) {
$quiz_avg_score = round($quiz_avg_score / count($student_id), 2);
}
if ($into_lp == 0) {
return $quiz_avg_score;
} else {
if (!empty($row['lp_id'])) {
$tbl_lp = Database::get_course_table(TABLE_LP_MAIN);
$tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
$sql = "SELECT lp.name
FROM $tbl_lp as lp, $tbl_course as c
WHERE
c.code = '$course_code' AND
lp.id = ".$row['lp_id']." AND
lp.c_id = c.id
LIMIT 1;
";
$result = Database::query($sql);
$row_lp = Database::fetch_row($result);
$lp_name = $row_lp[0];
return [$quiz_avg_score, $lp_name];
} else {
return [$quiz_avg_score, null];
}
}
}
}
return null;
}
/**
* Get count student's exercise COMPLETED attempts.
*
* @param int $student_id
* @param int $courseId
* @param int $exercise_id
* @param int $lp_id
* @param int $lp_item_id
* @param int $session_id
* @param int $find_all_lp 0 = just LP specified
* 1 = LP specified or whitout LP,
* 2 = all rows
*
* @internal param \Student $int id
* @internal param \Course $string code
* @internal param \Exercise $int id
* @internal param \Learning $int path id (optional),
* for showing attempts inside a learning path $lp_id and $lp_item_id params are required
* @internal param \Learning $int path item id (optional),
* for showing attempts inside a learning path $lp_id and $lp_item_id params are required
*
* @return int count of attempts
*/
public static function count_student_exercise_attempts(
$student_id,
$courseId,
$exercise_id,
$lp_id = 0,
$lp_item_id = 0,
$session_id = 0,
$find_all_lp = 0
) {
$courseId = intval($courseId);
$student_id = intval($student_id);
$exercise_id = intval($exercise_id);
$session_id = intval($session_id);
$lp_id = intval($lp_id);
$lp_item_id = intval($lp_item_id);
$tbl_stats_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
$sql = "SELECT COUNT(ex.exe_id) as essais
FROM $tbl_stats_exercises AS ex
WHERE
ex.c_id = $courseId AND
ex.exe_exo_id = $exercise_id AND
status = '' AND
exe_user_id= $student_id AND
session_id = $session_id ";
if ($find_all_lp == 1) {
$sql .= "AND (orig_lp_id = $lp_id OR orig_lp_id = 0)
AND (orig_lp_item_id = $lp_item_id OR orig_lp_item_id = 0)";
} elseif ($find_all_lp == 0) {
$sql .= "AND orig_lp_id = $lp_id
AND orig_lp_item_id = $lp_item_id";
}
$rs = Database::query($sql);
$row = Database::fetch_row($rs);
$count_attempts = $row[0];
return $count_attempts;
}
/**
* Get count student's exercise progress.
*
* @param array $exercise_list
* @param int $user_id
* @param int $courseId
* @param int $session_id
*
* @return string
*/
public static function get_exercise_student_progress(
$exercise_list,
$user_id,
$courseId,
$session_id
) {
$courseId = (int) $courseId;
$user_id = (int) $user_id;
$session_id = (int) $session_id;
if (empty($exercise_list)) {
return '0%';
}
$tbl_stats_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
$exercise_list = array_keys($exercise_list);
$exercise_list = array_map('intval', $exercise_list);
$exercise_list_imploded = implode("' ,'", $exercise_list);
$sql = "SELECT COUNT(DISTINCT ex.exe_exo_id)
FROM $tbl_stats_exercises AS ex
WHERE
ex.c_id = $courseId AND
ex.session_id = $session_id AND
ex.exe_user_id = $user_id AND
ex.exe_exo_id IN ('$exercise_list_imploded') ";
$rs = Database::query($sql);
$count = 0;
if ($rs) {
$row = Database::fetch_row($rs);
$count = $row[0];
}
$count = ($count != 0) ? 100 * round(intval($count) / count($exercise_list), 2).'%' : '0%';
return $count;
}
/**
* @param array $exercise_list
* @param int $user_id
* @param int $courseId
* @param int $session_id
*
* @return string
*/
public static function get_exercise_student_average_best_attempt(
$exercise_list,
$user_id,
$courseId,
$session_id
) {
$result = 0;
if (!empty($exercise_list)) {
foreach ($exercise_list as $exercise_data) {
$exercise_id = $exercise_data['id'];
$best_attempt = Event::get_best_attempt_exercise_results_per_user(
$user_id,
$exercise_id,
$courseId,
$session_id
);
if (!empty($best_attempt) && !empty($best_attempt['max_score'])) {
$result += $best_attempt['score'] / $best_attempt['max_score'];
}
}
$result = $result / count($exercise_list);
$result = round($result, 2) * 100;
}
return $result.'%';
}
/**
* Returns the average student progress in the learning paths of the given
* course, it will take into account the progress that were not started.
*
* @param int|array $studentId
* @param string $courseCode
* @param array $lpIdList Limit average to listed lp ids
* @param int $sessionId Session id (optional),
* if parameter $session_id is null(default) it'll return results including
* sessions, 0 = session is not filtered
* @param bool $returnArray Will return an array of the type:
* [sum_of_progresses, number] if it is set to true
* @param bool $onlySeriousGame Optional. Limit average to lp on seriousgame mode
*
* @return float Average progress of the user in this course
*/
public static function get_avg_student_progress(
$studentId,
$courseCode = null,
$lpIdList = [],
$sessionId = null,
$returnArray = false,
$onlySeriousGame = false
) {
// If there is at least one learning path and one student.
if (empty($studentId)) {
return false;
}
$sessionId = (int) $sessionId;
$courseInfo = api_get_course_info($courseCode);
if (empty($courseInfo)) {
return false;
}
$lPTable = Database::get_course_table(TABLE_LP_MAIN);
$lpViewTable = Database::get_course_table(TABLE_LP_VIEW);
$lpConditions = [];
$lpConditions['c_id = ? '] = $courseInfo['real_id'];
if ($sessionId > 0) {
$lpConditions['AND (session_id = ? OR session_id = 0 OR session_id IS NULL)'] = $sessionId;
} else {
$lpConditions['AND session_id = ?'] = $sessionId;
}
if (is_array($lpIdList) && count($lpIdList) > 0) {
$placeHolders = [];
for ($i = 0; $i < count($lpIdList); $i++) {
$placeHolders[] = '?';
}
$lpConditions['AND id IN('.implode(', ', $placeHolders).') '] = $lpIdList;
}
if ($onlySeriousGame) {
$lpConditions['AND seriousgame_mode = ? '] = true;
}
$resultLP = Database::select(
'id',
$lPTable,
['where' => $lpConditions]
);
$filteredLP = array_keys($resultLP);
if (empty($filteredLP)) {
return false;
}
$conditions = [
" c_id = {$courseInfo['real_id']} ",
" lp_view.lp_id IN (".implode(', ', $filteredLP).") ",
];
$groupBy = 'GROUP BY lp_id';
if (is_array($studentId)) {
$studentId = array_map('intval', $studentId);
$conditions[] = " lp_view.user_id IN (".implode(',', $studentId).") ";
} else {
$studentId = (int) $studentId;
$conditions[] = " lp_view.user_id = '$studentId' ";
if (empty($lpIdList)) {
$lpList = new LearnpathList(
$studentId,
$courseInfo,
$sessionId,
null,
false,
null,
true
);
$lpList = $lpList->get_flat_list();
if (!empty($lpList)) {
/** @var $lp */
foreach ($lpList as $lpId => $lp) {
$lpIdList[] = $lp['lp_old_id'];
}
}
}
}
if (!empty($sessionId)) {
$conditions[] = " session_id = $sessionId ";
} else {
$conditions[] = ' (session_id = 0 OR session_id IS NULL) ';
}
$conditionToString = implode('AND', $conditions);
$sql = "SELECT lp_id, view_count, progress
FROM $lpViewTable lp_view
WHERE
$conditionToString
$groupBy
ORDER BY view_count DESC";
$result = Database::query($sql);
$progress = [];
$viewCount = [];
while ($row = Database::fetch_array($result, 'ASSOC')) {
if (!isset($viewCount[$row['lp_id']])) {
$progress[$row['lp_id']] = $row['progress'];
}
$viewCount[$row['lp_id']] = $row['view_count'];
}
// Fill with lp ids
$newProgress = [];
if (!empty($lpIdList)) {
foreach ($lpIdList as $lpId) {
if (isset($progress[$lpId])) {
$newProgress[] = $progress[$lpId];
}
}
$total = count($lpIdList);
} else {
$newProgress = $progress;
$total = count($newProgress);
}
$average = 0;
$sum = 0;
if (!empty($newProgress)) {
$sum = array_sum($newProgress);
$average = $sum / $total;
}
if ($returnArray) {
return [
$sum,
$total,
];
}
return round($average, 1);
}
/**
* This function gets:
* 1. The score average from all SCORM Test items in all LP in a course-> All the answers / All the max scores.
* 2. The score average from all Tests (quiz) in all LP in a course-> All the answers / All the max scores.
* 3. And finally it will return the average between 1. and 2.
*
* @todo improve performance, when loading 1500 users with 20 lps the script dies
* This function does not take the results of a Test out of a LP
*
* @param mixed $student_id Array of user ids or an user id
* @param string $course_code
* @param array $lp_ids List of LP ids
* @param int $session_id Session id (optional),
* if param $session_id is null(default) it'll return results
* including sessions, 0 = session is not filtered
* @param bool $return_array Returns an array of the
* type [sum_score, num_score] if set to true
* @param bool $get_only_latest_attempt_results get only the latest attempts or ALL attempts
* @param bool $getOnlyBestAttempt
*
* @return string value (number %) Which represents a round integer explain in got in 3
*/
public static function get_avg_student_score(
$student_id,
$course_code,
$lp_ids = [],
$session_id = null,
$return_array = false,
$get_only_latest_attempt_results = false,
$getOnlyBestAttempt = false
) {
$debug = false;
if ($debug) {
echo 'Tracking::get_avg_student_score
';
}
$tbl_stats_exercices = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
$tbl_stats_attempts = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$course = api_get_course_info($course_code);
if (empty($course)) {
return null;
}
// Get course tables names
$tbl_quiz_questions = Database::get_course_table(TABLE_QUIZ_QUESTION);
$lp_table = Database::get_course_table(TABLE_LP_MAIN);
$lp_item_table = Database::get_course_table(TABLE_LP_ITEM);
$lp_view_table = Database::get_course_table(TABLE_LP_VIEW);
$lp_item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
$course_id = $course['real_id'];
// Compose a filter based on optional learning paths list given
$condition_lp = '';
if (count($lp_ids) > 0) {
$condition_lp = " AND id IN(".implode(',', $lp_ids).") ";
}
// Compose a filter based on optional session id
$session_id = intval($session_id);
if (count($lp_ids) > 0) {
$condition_session = " AND session_id = $session_id ";
} else {
$condition_session = " WHERE session_id = $session_id ";
}
// Check the real number of LPs corresponding to the filter in the
// database (and if no list was given, get them all)
if (empty($session_id)) {
$sql = "SELECT DISTINCT(id), use_max_score
FROM $lp_table
WHERE
c_id = $course_id AND
(session_id = 0 OR session_id IS NULL) $condition_lp ";
} else {
$sql = "SELECT DISTINCT(id), use_max_score
FROM $lp_table
WHERE c_id = $course_id $condition_lp ";
}
$res_row_lp = Database::query($sql);
$count_row_lp = Database::num_rows($res_row_lp);
$lp_list = $use_max_score = [];
while ($row_lp = Database::fetch_array($res_row_lp)) {
$lp_list[] = $row_lp['id'];
$use_max_score[$row_lp['id']] = $row_lp['use_max_score'];
}
// prepare filter on users
if (is_array($student_id)) {
array_walk($student_id, 'intval');
$condition_user1 = " AND user_id IN (".implode(',', $student_id).") ";
} else {
$condition_user1 = " AND user_id = $student_id ";
}
if (empty($count_row_lp) || empty($student_id)) {
return null;
}
// Getting latest LP result for a student
//@todo problem when a course have more than 1500 users
$sql = "SELECT MAX(view_count) as vc, id, progress, lp_id, user_id
FROM $lp_view_table
WHERE
c_id = $course_id AND
lp_id IN (".implode(',', $lp_list).")
$condition_user1 AND
session_id = $session_id
GROUP BY lp_id, user_id";
$rs_last_lp_view_id = Database::query($sql);
$global_result = 0;
if (Database::num_rows($rs_last_lp_view_id) > 0) {
// Cycle through each line of the results (grouped by lp_id, user_id)
while ($row_lp_view = Database::fetch_array($rs_last_lp_view_id)) {
$count_items = 0;
$lpPartialTotal = 0;
$list = [];
$lp_view_id = $row_lp_view['id'];
$lp_id = $row_lp_view['lp_id'];
$user_id = $row_lp_view['user_id'];
if ($debug) {
echo 'LP id '.$lp_id.'
';
echo "get_only_latest_attempt_results: $get_only_latest_attempt_results
";
echo "getOnlyBestAttempt: $getOnlyBestAttempt
";
}
if ($get_only_latest_attempt_results || $getOnlyBestAttempt) {
// Getting lp_items done by the user
$sql = "SELECT DISTINCT lp_item_id
FROM $lp_item_view_table
WHERE
c_id = $course_id AND
lp_view_id = $lp_view_id
ORDER BY lp_item_id";
$res_lp_item = Database::query($sql);
while ($row_lp_item = Database::fetch_array($res_lp_item, 'ASSOC')) {
$my_lp_item_id = $row_lp_item['lp_item_id'];
$order = ' view_count DESC';
if ($getOnlyBestAttempt) {
$order = ' lp_iv.score DESC';
}
// Getting the most recent attempt
$sql = "SELECT
lp_iv.id as lp_item_view_id,
lp_iv.score as score,
lp_i.max_score,
lp_iv.max_score as max_score_item_view,
lp_i.path,
lp_i.item_type,
lp_i.id as iid
FROM $lp_item_view_table as lp_iv
INNER JOIN $lp_item_table as lp_i
ON (
lp_i.id = lp_iv.lp_item_id AND
lp_iv.c_id = lp_i.c_id
)
WHERE
lp_iv.c_id = $course_id AND
lp_i.c_id = $course_id AND
lp_item_id = $my_lp_item_id AND
lp_view_id = $lp_view_id AND
(lp_i.item_type='sco' OR lp_i.item_type='".TOOL_QUIZ."')
ORDER BY $order
LIMIT 1";
$res_lp_item_result = Database::query($sql);
while ($row_max_score = Database::fetch_array($res_lp_item_result, 'ASSOC')) {
$list[] = $row_max_score;
}
}
} else {
// For the currently analysed view, get the score and
// max_score of each item if it is a sco or a TOOL_QUIZ
$sql = "SELECT
lp_iv.id as lp_item_view_id,
lp_iv.score as score,
lp_i.max_score,
lp_iv.max_score as max_score_item_view,
lp_i.path,
lp_i.item_type,
lp_i.id as iid
FROM $lp_item_view_table as lp_iv
INNER JOIN $lp_item_table as lp_i
ON lp_i.id = lp_iv.lp_item_id AND
lp_iv.c_id = lp_i.c_id
WHERE
lp_iv.c_id = $course_id AND
lp_i.c_id = $course_id AND
lp_view_id = $lp_view_id AND
(lp_i.item_type='sco' OR lp_i.item_type='".TOOL_QUIZ."')
";
$res_max_score = Database::query($sql);
while ($row_max_score = Database::fetch_array($res_max_score, 'ASSOC')) {
$list[] = $row_max_score;
}
}
// Go through each scorable element of this view
$score_of_scorm_calculate = 0;
foreach ($list as $row_max_score) {
// Came from the original lp_item
$max_score = $row_max_score['max_score'];
// Came from the lp_item_view
$max_score_item_view = $row_max_score['max_score_item_view'];
$score = $row_max_score['score'];
if ($debug) {
echo 'Item Type: '.$row_max_score['item_type'].'
';
}
if ($row_max_score['item_type'] == 'sco') {
/* Check if it is sco (easier to get max_score)
when there's no max score, we assume 100 as the max score,
as the SCORM 1.2 says that the value should always be between 0 and 100.
*/
if ($max_score == 0 || is_null($max_score) || $max_score == '') {
// Chamilo style
if ($use_max_score[$lp_id]) {
$max_score = 100;
} else {
// Overwrites max score = 100 to use the one that came in the lp_item_view see BT#1613
$max_score = $max_score_item_view;
}
}
// Avoid division by zero errors
if (!empty($max_score)) {
$lpPartialTotal += $score / $max_score;
}
if ($debug) {
var_dump("lpPartialTotal: $lpPartialTotal");
var_dump("score: $score");
var_dump("max_score: $max_score");
}
} else {
// Case of a TOOL_QUIZ element
$item_id = $row_max_score['iid'];
$item_path = $row_max_score['path'];
$lp_item_view_id = (int) $row_max_score['lp_item_view_id'];
$lpItemCondition = '';
if (empty($lp_item_view_id)) {
$lpItemCondition = ' (orig_lp_item_view_id = 0 OR orig_lp_item_view_id IS NULL) ';
} else {
$lpItemCondition = " orig_lp_item_view_id = $lp_item_view_id ";
}
// Get last attempt to this exercise through
// the current lp for the current user
$order = 'exe_date DESC';
if ($getOnlyBestAttempt) {
$order = 'score DESC';
}
$sql = "SELECT exe_id, score
FROM $tbl_stats_exercices
WHERE
exe_exo_id = '$item_path' AND
exe_user_id = $user_id AND
orig_lp_item_id = $item_id AND
$lpItemCondition AND
c_id = $course_id AND
session_id = $session_id AND
status = ''
ORDER BY $order
LIMIT 1";
$result_last_attempt = Database::query($sql);
$num = Database::num_rows($result_last_attempt);
if ($num > 0) {
$attemptResult = Database::fetch_array($result_last_attempt, 'ASSOC');
$id_last_attempt = $attemptResult['exe_id'];
// We overwrite the score with the best one not the one saved in the LP (latest)
if ($getOnlyBestAttempt && $get_only_latest_attempt_results == false) {
if ($debug) {
echo "Following score comes from the track_exercise table not in the LP because the score is the best
";
}
$score = $attemptResult['score'];
}
if ($debug) {
echo "Attempt id: $id_last_attempt with score $score
";
}
// Within the last attempt number tracking, get the sum of
// the max_scores of all questions that it was
// made of (we need to make this call dynamic because of random questions selection)
$sql = "SELECT SUM(t.ponderation) as maxscore FROM
(
SELECT DISTINCT
question_id,
marks,
ponderation
FROM $tbl_stats_attempts AS at
INNER JOIN $tbl_quiz_questions AS q
ON (q.id = at.question_id AND q.c_id = q.c_id)
WHERE
exe_id ='$id_last_attempt' AND
q.c_id = $course_id
)
AS t";
$res_max_score_bis = Database::query($sql);
$row_max_score_bis = Database::fetch_array($res_max_score_bis);
if (!empty($row_max_score_bis['maxscore'])) {
$max_score = $row_max_score_bis['maxscore'];
}
if (!empty($max_score) && floatval($max_score) > 0) {
$lpPartialTotal += $score / $max_score;
}
if ($debug) {
var_dump("score: $score");
var_dump("max_score: $max_score");
var_dump("lpPartialTotal: $lpPartialTotal");
}
}
}
if (in_array($row_max_score['item_type'], ['quiz', 'sco'])) {
// Normal way
if ($use_max_score[$lp_id]) {
$count_items++;
} else {
if ($max_score != '') {
$count_items++;
}
}
if ($debug) {
echo '$count_items: '.$count_items;
}
}
} //end for
$score_of_scorm_calculate += $count_items ? (($lpPartialTotal / $count_items) * 100) : 0;
$global_result += $score_of_scorm_calculate;
if ($debug) {
var_dump("count_items: $count_items");
var_dump("score_of_scorm_calculate: $score_of_scorm_calculate");
var_dump("global_result: $global_result");
}
} // end while
}
$lp_with_quiz = 0;
foreach ($lp_list as $lp_id) {
// Check if LP have a score we assume that all SCO have an score
$sql = "SELECT count(id) as count
FROM $lp_item_table
WHERE
c_id = $course_id AND
(item_type = 'quiz' OR item_type = 'sco') AND
lp_id = ".$lp_id;
$result_have_quiz = Database::query($sql);
if (Database::num_rows($result_have_quiz) > 0) {
$row = Database::fetch_array($result_have_quiz, 'ASSOC');
if (is_numeric($row['count']) && $row['count'] != 0) {
$lp_with_quiz++;
}
}
}
if ($debug) {
echo '$lp_with_quiz '.$lp_with_quiz.'
';
}
if ($debug) {
echo 'Final return
';
}
if ($lp_with_quiz != 0) {
if (!$return_array) {
$score_of_scorm_calculate = round(($global_result / $lp_with_quiz), 2);
if ($debug) {
var_dump($score_of_scorm_calculate);
}
if (empty($lp_ids)) {
if ($debug) {
echo 'All lps fix: '.$score_of_scorm_calculate.'
';
}
}
return $score_of_scorm_calculate;
}
if ($debug) {
var_dump($global_result, $lp_with_quiz);
}
return [$global_result, $lp_with_quiz];
}
return '-';
}
/**
* This function gets:
* 1. The score average from all SCORM Test items in all LP in a course-> All the answers / All the max scores.
* 2. The score average from all Tests (quiz) in all LP in a course-> All the answers / All the max scores.
* 3. And finally it will return the average between 1. and 2.
* This function does not take the results of a Test out of a LP.
*
* @param int|array $student_id Array of user ids or an user id
* @param string $course_code Course code
* @param array $lp_ids List of LP ids
* @param int $session_id Session id (optional), if param $session_id is 0(default)
* it'll return results including sessions, 0 = session is not filtered
*
* @return string value (number %) Which represents a round integer explain in got in 3
*/
public static function getAverageStudentScore(
$student_id,
$course_code = '',
$lp_ids = [],
$session_id = 0
) {
if (empty($student_id)) {
return 0;
}
$conditions = [];
if (!empty($course_code)) {
$course = api_get_course_info($course_code);
$courseId = $course['real_id'];
$conditions[] = " c_id = $courseId";
}
// Get course tables names
$lp_table = Database::get_course_table(TABLE_LP_MAIN);
$lp_item_table = Database::get_course_table(TABLE_LP_ITEM);
$lp_view_table = Database::get_course_table(TABLE_LP_VIEW);
$lp_item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
// Compose a filter based on optional learning paths list given
if (!empty($lp_ids) && count($lp_ids) > 0) {
$conditions[] = ' id IN ('.implode(',', $lp_ids).') ';
}
// Compose a filter based on optional session id
$session_id = (int) $session_id;
if (!empty($session_id)) {
$conditions[] = " session_id = $session_id ";
}
if (is_array($student_id)) {
array_walk($student_id, 'intval');
$conditions[] = " lp_view.user_id IN (".implode(',', $student_id).") ";
} else {
$student_id = (int) $student_id;
$conditions[] = " lp_view.user_id = $student_id ";
}
$conditionsToString = implode('AND ', $conditions);
$sql = "SELECT
SUM(lp_iv.score) sum_score,
SUM(lp_i.max_score) sum_max_score
FROM $lp_table as lp
INNER JOIN $lp_item_table as lp_i
ON lp.iid = lp_id AND lp.c_id = lp_i.c_id
INNER JOIN $lp_view_table as lp_view
ON lp_view.lp_id = lp_i.lp_id AND lp_view.c_id = lp_i.c_id
INNER JOIN $lp_item_view_table as lp_iv
ON lp_i.iid = lp_iv.lp_item_id AND lp_view.c_id = lp_iv.c_id AND lp_iv.lp_view_id = lp_view.iid
WHERE (lp_i.item_type='sco' OR lp_i.item_type='".TOOL_QUIZ."') AND
$conditionsToString
";
$result = Database::query($sql);
$row = Database::fetch_array($result, 'ASSOC');
if (empty($row['sum_max_score'])) {
return 0;
}
return ($row['sum_score'] / $row['sum_max_score']) * 100;
}
/**
* This function gets time spent in learning path for a student inside a course.
*
* @param int|array $student_id Student id(s)
* @param string $course_code Course code
* @param array $lp_ids Limit average to listed lp ids
* @param int $session_id Session id (optional), if param $session_id is null(default)
* it'll return results including sessions, 0 = session is not filtered
*
* @return int Total time
*/
public static function get_time_spent_in_lp(
$student_id,
$course_code,
$lp_ids = [],
$session_id = 0
) {
$course = api_get_course_info($course_code);
$student_id = (int) $student_id;
$session_id = (int) $session_id;
$total_time = 0;
if (!empty($course)) {
$lpTable = Database::get_course_table(TABLE_LP_MAIN);
$lpItemTable = Database::get_course_table(TABLE_LP_ITEM);
$lpViewTable = Database::get_course_table(TABLE_LP_VIEW);
$lpItemViewTable = Database::get_course_table(TABLE_LP_ITEM_VIEW);
$trackExercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
$course_id = $course['real_id'];
// Compose a filter based on optional learning paths list given
$condition_lp = '';
if (count($lp_ids) > 0) {
$condition_lp = " AND id IN(".implode(',', $lp_ids).") ";
}
// Check the real number of LPs corresponding to the filter in the
// database (and if no list was given, get them all)
$sql = "SELECT DISTINCT(id) FROM $lpTable
WHERE c_id = $course_id $condition_lp";
$result = Database::query($sql);
$session_condition = api_get_session_condition($session_id);
// calculates time
if (Database::num_rows($result) > 0) {
while ($row = Database::fetch_array($result)) {
$lp_id = (int) $row['id'];
// Start Exercise in LP total_time
// Get duration time from track_e_exercises.exe_duration instead of lp_view_item.total_time
$list = learnpath::get_flat_ordered_items_list($lp_id, 0, $course_id);
foreach ($list as $itemId) {
$sql = "SELECT max(view_count)
FROM $lpViewTable
WHERE
c_id = $course_id AND
lp_id = $lp_id AND
user_id = $student_id
$session_condition";
$res = Database::query($sql);
$view = '';
if (Database::num_rows($res) > 0) {
$myrow = Database::fetch_array($res);
$view = $myrow[0];
}
$viewCondition = null;
if (!empty($view)) {
$viewCondition = " AND v.view_count = $view ";
}
$sql = "SELECT
iv.iid,
iv.total_time as mytime,
i.id as myid,
iv.view_count as iv_view_count,
path
FROM $lpItemTable as i
INNER JOIN $lpItemViewTable as iv
ON (i.id = iv.lp_item_id AND i.c_id = iv.c_id)
INNER JOIN $lpViewTable as v
ON (iv.lp_view_id = v.id AND v.c_id = iv.c_id)
WHERE
v.c_id = $course_id AND
i.id = $itemId AND
i.lp_id = $lp_id AND
v.user_id = $student_id AND
item_type = 'quiz' AND
path <> '' AND
v.session_id = $session_id
$viewCondition
ORDER BY iv.view_count DESC ";
$resultRow = Database::query($sql);
if (Database::num_rows($resultRow)) {
$row = Database::fetch_array($resultRow);
$totalTimeInLpItemView = $row['mytime'];
$lpItemViewId = $row['iid'];
$sql = 'SELECT SUM(exe_duration) exe_duration
FROM '.$trackExercises.'
WHERE
exe_exo_id="'.$row['path'].'" AND
exe_user_id="'.$student_id.'" AND
orig_lp_id = "'.$lp_id.'" AND
orig_lp_item_id = "'.$row['myid'].'" AND
c_id = '.$course_id.' AND
status <> "incomplete" AND
session_id = '.$session_id.'
ORDER BY exe_date DESC ';
$sumScoreResult = Database::query($sql);
$durationRow = Database::fetch_array($sumScoreResult, 'ASSOC');
if (!empty($durationRow['exe_duration'])) {
$exeDuration = $durationRow['exe_duration'];
if ($exeDuration != $totalTimeInLpItemView &&
!empty($lpItemViewId) &&
!empty($exeDuration)
) {
// Update c_lp_item_view.total_time
$sqlUpdate = "UPDATE $lpItemViewTable SET total_time = '$exeDuration'
WHERE iid = ".$lpItemViewId;
Database::query($sqlUpdate);
}
}
}
}
// End total_time fix
// Calculate total time
$sql = "SELECT SUM(total_time)
FROM $lpItemViewTable AS item_view
INNER JOIN $lpViewTable AS view
ON (
item_view.lp_view_id = view.id AND
item_view.c_id = view.c_id
)
WHERE
item_view.c_id = $course_id AND
view.c_id = $course_id AND
view.lp_id = $lp_id AND
view.user_id = $student_id AND
session_id = $session_id";
$rs = Database::query($sql);
if (Database::num_rows($rs) > 0) {
$total_time += Database::result($rs, 0, 0);
}
}
}
}
return $total_time;
}
/**
* This function gets last connection time to one learning path.
*
* @param int|array $student_id Student id(s)
* @param string $course_code Course code
* @param int $lp_id Learning path id
* @param int $session_id
*
* @return int Total time
*/
public static function get_last_connection_time_in_lp(
$student_id,
$course_code,
$lp_id,
$session_id = 0
) {
$course = api_get_course_info($course_code);
$student_id = (int) $student_id;
$lp_id = (int) $lp_id;
$session_id = (int) $session_id;
$lastTime = 0;
if (!empty($course)) {
$course_id = $course['real_id'];
$lp_table = Database::get_course_table(TABLE_LP_MAIN);
$t_lpv = Database::get_course_table(TABLE_LP_VIEW);
$t_lpiv = Database::get_course_table(TABLE_LP_ITEM_VIEW);
// Check the real number of LPs corresponding to the filter in the
// database (and if no list was given, get them all)
$sql = "SELECT id FROM $lp_table
WHERE c_id = $course_id AND id = $lp_id ";
$row = Database::query($sql);
$count = Database::num_rows($row);
// calculates last connection time
if ($count > 0) {
$sql = 'SELECT MAX(start_time)
FROM '.$t_lpiv.' AS item_view
INNER JOIN '.$t_lpv.' AS view
ON (item_view.lp_view_id = view.id AND item_view.c_id = view.c_id)
WHERE
status != "not attempted" AND
item_view.c_id = '.$course_id.' AND
view.c_id = '.$course_id.' AND
view.lp_id = '.$lp_id.' AND
view.user_id = '.$student_id.' AND
view.session_id = '.$session_id;
$rs = Database::query($sql);
if (Database::num_rows($rs) > 0) {
$lastTime = Database::result($rs, 0, 0);
}
}
}
return $lastTime;
}
/**
* gets the list of students followed by coach.
*
* @param int $coach_id Coach id
*
* @return array List of students
*/
public static function get_student_followed_by_coach($coach_id)
{
$coach_id = intval($coach_id);
$tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_session_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$students = [];
// At first, courses where $coach_id is coach of the course //
$sql = 'SELECT session_id, c_id
FROM '.$tbl_session_course_user.'
WHERE user_id='.$coach_id.' AND status=2';
if (api_is_multiple_url_enabled()) {
$tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1) {
$sql = 'SELECT scu.session_id, scu.c_id
FROM '.$tbl_session_course_user.' scu
INNER JOIN '.$tbl_session_rel_access_url.' sru
ON (scu.session_id=sru.session_id)
WHERE
scu.user_id='.$coach_id.' AND
scu.status=2 AND
sru.access_url_id = '.$access_url_id;
}
}
$result = Database::query($sql);
while ($a_courses = Database::fetch_array($result)) {
$courseId = $a_courses['c_id'];
$id_session = $a_courses['session_id'];
$sql = "SELECT DISTINCT srcru.user_id
FROM $tbl_session_course_user AS srcru
INNER JOIN $tbl_session_user sru
ON (srcru.user_id = sru.user_id AND srcru.session_id = sru.session_id)
WHERE
sru.relation_type <> ".SESSION_RELATION_TYPE_RRHH." AND
srcru.c_id = '$courseId' AND
srcru.session_id = '$id_session'";
$rs = Database::query($sql);
while ($row = Database::fetch_array($rs)) {
$students[$row['user_id']] = $row['user_id'];
}
}
// Then, courses where $coach_id is coach of the session
$sql = 'SELECT session_course_user.user_id
FROM '.$tbl_session_course_user.' as session_course_user
INNER JOIN '.$tbl_session_user.' sru
ON session_course_user.user_id = sru.user_id AND session_course_user.session_id = sru.session_id
INNER JOIN '.$tbl_session_course.' as session_course
ON session_course.c_id = session_course_user.c_id
AND session_course_user.session_id = session_course.session_id
INNER JOIN '.$tbl_session.' as session
ON session.id = session_course.session_id
AND session.id_coach = '.$coach_id;
if (api_is_multiple_url_enabled()) {
$tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1) {
$sql = 'SELECT session_course_user.user_id
FROM '.$tbl_session_course_user.' as session_course_user
INNER JOIN '.$tbl_session_user.' sru
ON session_course_user.user_id = sru.user_id AND
session_course_user.session_id = sru.session_id
INNER JOIN '.$tbl_session_course.' as session_course
ON session_course.c_id = session_course_user.c_id AND
session_course_user.session_id = session_course.session_id
INNER JOIN '.$tbl_session.' as session
ON session.id = session_course.session_id AND
session.id_coach = '.$coach_id.'
INNER JOIN '.$tbl_session_rel_access_url.' session_rel_url
ON session.id = session_rel_url.session_id
WHERE access_url_id = '.$access_url_id;
}
}
$result = Database::query($sql);
while ($row = Database::fetch_array($result)) {
$students[$row['user_id']] = $row['user_id'];
}
return $students;
}
/**
* Check if a coach is allowed to follow a student.
*
* @param int Coach id
* @param int Student id
*
* @return bool
*/
public static function is_allowed_to_coach_student($coach_id, $student_id)
{
$coach_id = intval($coach_id);
$student_id = intval($student_id);
$tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
// At first, courses where $coach_id is coach of the course
$sql = 'SELECT 1 FROM '.$tbl_session_course_user.'
WHERE user_id='.$coach_id.' AND status=2';
$result = Database::query($sql);
if (Database::num_rows($result) > 0) {
return true;
}
// Then, courses where $coach_id is coach of the session
$sql = 'SELECT session_course_user.user_id
FROM '.$tbl_session_course_user.' as session_course_user
INNER JOIN '.$tbl_session_course.' as session_course
ON session_course.c_id = session_course_user.c_id
INNER JOIN '.$tbl_session.' as session
ON session.id = session_course.session_id
AND session.id_coach = '.$coach_id.'
WHERE user_id = '.$student_id;
$result = Database::query($sql);
if (Database::num_rows($result) > 0) {
return true;
}
return false;
}
/**
* Get courses followed by coach.
*
* @param int Coach id
* @param int Session id (optional)
*
* @return array Courses list
*/
public static function get_courses_followed_by_coach($coach_id, $id_session = 0)
{
$coach_id = intval($coach_id);
if (!empty($id_session)) {
$id_session = intval($id_session);
}
$tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
$tbl_course_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
// At first, courses where $coach_id is coach of the course.
$sql = 'SELECT DISTINCT c.code
FROM '.$tbl_session_course_user.' sc
INNER JOIN '.$tbl_course.' c
ON (c.id = sc.c_id)
WHERE user_id = '.$coach_id.' AND status = 2';
if (api_is_multiple_url_enabled()) {
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1) {
$sql = 'SELECT DISTINCT c.code
FROM '.$tbl_session_course_user.' scu
INNER JOIN '.$tbl_course.' c
ON (c.code = scu.c_id)
INNER JOIN '.$tbl_course_rel_access_url.' cru
ON (c.id = cru.c_id)
WHERE
scu.user_id='.$coach_id.' AND
scu.status=2 AND
cru.access_url_id = '.$access_url_id;
}
}
if (!empty($id_session)) {
$sql .= ' AND session_id='.$id_session;
}
$courseList = [];
$result = Database::query($sql);
while ($row = Database::fetch_array($result)) {
$courseList[$row['code']] = $row['code'];
}
// Then, courses where $coach_id is coach of the session
$sql = 'SELECT DISTINCT course.code
FROM '.$tbl_session_course.' as session_course
INNER JOIN '.$tbl_session.' as session
ON session.id = session_course.session_id
AND session.id_coach = '.$coach_id.'
INNER JOIN '.$tbl_course.' as course
ON course.id = session_course.c_id';
if (api_is_multiple_url_enabled()) {
$tbl_course_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1) {
$sql = 'SELECT DISTINCT c.code
FROM '.$tbl_session_course.' as session_course
INNER JOIN '.$tbl_course.' c
ON (c.id = session_course.c_id)
INNER JOIN '.$tbl_session.' as session
ON session.id = session_course.session_id
AND session.id_coach = '.$coach_id.'
INNER JOIN '.$tbl_course.' as course
ON course.id = session_course.c_id
INNER JOIN '.$tbl_course_rel_access_url.' course_rel_url
ON (course_rel_url.c_id = c.id)';
}
}
if (!empty($id_session)) {
$sql .= ' WHERE session_course.session_id='.$id_session;
if (api_is_multiple_url_enabled()) {
$sql .= ' AND access_url_id = '.$access_url_id;
}
} else {
if (api_is_multiple_url_enabled()) {
$sql .= ' WHERE access_url_id = '.$access_url_id;
}
}
$result = Database::query($sql);
while ($row = Database::fetch_array($result)) {
$courseList[$row['code']] = $row['code'];
}
return $courseList;
}
/**
* Get sessions coached by user.
*
* @param int $coach_id
* @param int $start
* @param int $limit
* @param bool $getCount
* @param string $keyword
* @param string $description
* @param string $orderByName
* @param string $orderByDirection
* @param array $options
*
* @return mixed
*/
public static function get_sessions_coached_by_user(
$coach_id,
$start = 0,
$limit = 0,
$getCount = false,
$keyword = '',
$description = '',
$orderByName = '',
$orderByDirection = '',
$options = []
) {
// table definition
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$coach_id = (int) $coach_id;
$select = ' SELECT * FROM ';
if ($getCount) {
$select = ' SELECT count(DISTINCT id) as count FROM ';
}
$limitCondition = null;
if (!empty($start) && !empty($limit)) {
$limitCondition = " LIMIT ".intval($start).", ".intval($limit);
}
$keywordCondition = null;
if (!empty($keyword)) {
$keyword = Database::escape_string($keyword);
$keywordCondition = " AND (name LIKE '%$keyword%' ) ";
if (!empty($description)) {
$description = Database::escape_string($description);
$keywordCondition = " AND (name LIKE '%$keyword%' OR description LIKE '%$description%' ) ";
}
}
$extraFieldModel = new ExtraFieldModel('session');
$conditions = $extraFieldModel->parseConditions($options);
$sqlInjectJoins = $conditions['inject_joins'];
$extraFieldsConditions = $conditions['where'];
$sqlInjectWhere = $conditions['inject_where'];
$injectExtraFields = $conditions['inject_extra_fields'];
$tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$access_url_id = api_get_current_access_url_id();
$orderBy = '';
if (!empty($orderByName)) {
if (in_array($orderByName, ['name', 'access_start_date'])) {
$orderByDirection = in_array(strtolower($orderByDirection), ['asc', 'desc']) ? $orderByDirection : 'asc';
$orderByName = Database::escape_string($orderByName);
$orderBy .= " ORDER BY $orderByName $orderByDirection";
}
}
$sql = "
$select
(
SELECT DISTINCT
s.id,
name,
$injectExtraFields
access_start_date,
access_end_date
FROM $tbl_session s
INNER JOIN $tbl_session_rel_access_url session_rel_url
ON (s.id = session_rel_url.session_id)
$sqlInjectJoins
WHERE
id_coach = $coach_id AND
access_url_id = $access_url_id
$keywordCondition
$extraFieldsConditions
$sqlInjectWhere
UNION
SELECT DISTINCT
s.id,
s.name,
$injectExtraFields
s.access_start_date,
s.access_end_date
FROM $tbl_session as s
INNER JOIN $tbl_session_course_user as session_course_user
ON
s.id = session_course_user.session_id AND
session_course_user.user_id = $coach_id AND
session_course_user.status = 2
INNER JOIN $tbl_session_rel_access_url session_rel_url
ON (s.id = session_rel_url.session_id)
$sqlInjectJoins
WHERE
access_url_id = $access_url_id
$keywordCondition
$extraFieldsConditions
$sqlInjectWhere
) as sessions $limitCondition $orderBy
";
$rs = Database::query($sql);
if ($getCount) {
$row = Database::fetch_array($rs);
return $row['count'];
}
$sessions = [];
while ($row = Database::fetch_array($rs)) {
if ($row['access_start_date'] === '0000-00-00 00:00:00') {
$row['access_start_date'] = null;
}
$sessions[$row['id']] = $row;
}
if (!empty($sessions)) {
foreach ($sessions as &$session) {
if (empty($session['access_start_date'])) {
$session['status'] = get_lang('active');
} else {
$time_start = api_strtotime($session['access_start_date'], 'UTC');
$time_end = api_strtotime($session['access_end_date'], 'UTC');
if ($time_start < time() && time() < $time_end) {
$session['status'] = get_lang('active');
} else {
if (time() < $time_start) {
$session['status'] = get_lang('Not yet begun');
} else {
if (time() > $time_end) {
$session['status'] = get_lang('Past');
}
}
}
}
}
}
return $sessions;
}
/**
* Get courses list from a session.
*
* @param int Session id
*
* @return array Courses list
*/
public static function get_courses_list_from_session($session_id)
{
$session_id = (int) $session_id;
// table definition
$tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$courseTable = Database::get_main_table(TABLE_MAIN_COURSE);
$sql = "SELECT DISTINCT code, c_id
FROM $tbl_session_course sc
INNER JOIN $courseTable c
ON sc.c_id = c.id
WHERE session_id= $session_id";
$result = Database::query($sql);
$courses = [];
while ($row = Database::fetch_array($result)) {
$courses[$row['code']] = $row;
}
return $courses;
}
/**
* Count the number of documents that an user has uploaded to a course.
*
* @param int|array Student id(s)
* @param string Course code
* @param int Session id (optional),
* if param $session_id is null(default)
* return count of assignments including sessions, 0 = session is not filtered
*
* @return int Number of documents
*/
public static function count_student_uploaded_documents(
$student_id,
$course_code,
$session_id = null
) {
// get the information of the course
$a_course = api_get_course_info($course_code);
if (!empty($a_course)) {
// table definition
$tbl_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
$tbl_document = Database::get_course_table(TABLE_DOCUMENT);
$course_id = $a_course['real_id'];
if (is_array($student_id)) {
$studentList = array_map('intval', $student_id);
$condition_user = " AND ip.insert_user_id IN ('".implode(',', $studentList)."') ";
} else {
$student_id = (int) $student_id;
$condition_user = " AND ip.insert_user_id = '$student_id' ";
}
$condition_session = null;
if (isset($session_id)) {
$session_id = (int) $session_id;
$condition_session = " AND pub.session_id = $session_id ";
}
$sql = "SELECT count(ip.tool) AS count
FROM $tbl_item_property ip
INNER JOIN $tbl_document pub
ON (ip.ref = pub.iid AND ip.c_id = pub.c_id)
WHERE
ip.c_id = $course_id AND
pub.c_id = $course_id AND
pub.filetype ='file' AND
ip.tool = 'document'
$condition_user $condition_session ";
$rs = Database::query($sql);
$row = Database::fetch_array($rs, 'ASSOC');
return $row['count'];
}
return null;
}
/**
* Count assignments per student.
*
* @param array|int $student_id
* @param string $course_code
* @param int $session_id if param is null(default) return count of assignments including sessions,
* 0 = session is not filtered
*
* @return int Count of assignments
*/
public static function count_student_assignments(
$student_id,
$course_code = null,
$session_id = null
) {
if (empty($student_id)) {
return 0;
}
$conditions = [];
// Get the information of the course
$a_course = api_get_course_info($course_code);
if (!empty($a_course)) {
$course_id = $a_course['real_id'];
$conditions[] = " ip.c_id = $course_id AND pub.c_id = $course_id ";
}
// table definition
$tbl_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
$tbl_student_publication = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
if (is_array($student_id)) {
$studentList = array_map('intval', $student_id);
$conditions[] = " ip.insert_user_id IN ('".implode("','", $studentList)."') ";
} else {
$student_id = (int) $student_id;
$conditions[] = " ip.insert_user_id = '$student_id' ";
}
$conditions[] = ' pub.active <> 2 ';
$conditionToString = implode(' AND ', $conditions);
$sessionCondition = api_get_session_condition($session_id, true, false, 'pub.session_id');
$conditionToString .= $sessionCondition;
$sql = "SELECT count(ip.tool) as count
FROM $tbl_item_property ip
INNER JOIN $tbl_student_publication pub
ON (ip.ref = pub.iid AND ip.c_id = pub.c_id)
WHERE
ip.tool='work' AND
$conditionToString";
$rs = Database::query($sql);
$row = Database::fetch_array($rs, 'ASSOC');
return $row['count'];
}
/**
* Count messages per student inside forum tool.
*
* @param int|array Student id
* @param string Course code
* @param int Session id if null(default) return count of messages including sessions, 0 = session is not filtered
*
* @return int Count of messages
*/
public static function count_student_messages($student_id, $courseCode = null, $session_id = null)
{
if (empty($student_id)) {
return 0;
}
// Table definition.
$tbl_forum_post = Database::get_course_table(TABLE_FORUM_POST);
$tbl_forum = Database::get_course_table(TABLE_FORUM);
$conditions = [];
if (is_array($student_id)) {
$studentList = array_map('intval', $student_id);
$conditions[] = " post.poster_id IN ('".implode("','", $studentList)."') ";
} else {
$student_id = (int) $student_id;
$conditions[] = " post.poster_id = '$student_id' ";
}
$conditionsToString = implode('AND ', $conditions);
if (empty($courseCode)) {
$sql = "SELECT count(poster_id) as count
FROM $tbl_forum_post post
INNER JOIN $tbl_forum forum
ON (forum.forum_id = post.forum_id AND forum.c_id = post.c_id)
WHERE $conditionsToString";
$rs = Database::query($sql);
$row = Database::fetch_array($rs, 'ASSOC');
return $row['count'];
}
require_once api_get_path(SYS_CODE_PATH).'forum/forumfunction.inc.php';
$courseInfo = api_get_course_info($courseCode);
$forums = [];
if (!empty($courseInfo)) {
$forums = get_forums('', $courseCode, true, $session_id);
$course_id = $courseInfo['real_id'];
$conditions[] = " post.c_id = $course_id ";
}
if (!empty($forums)) {
$idList = array_column($forums, 'forum_id');
$idListToString = implode("', '", $idList);
$conditions[] = " post.forum_id IN ('$idListToString')";
}
$conditionsToString = implode('AND ', $conditions);
$sql = "SELECT count(poster_id) as count
FROM $tbl_forum_post post
WHERE $conditionsToString";
$rs = Database::query($sql);
$row = Database::fetch_array($rs, 'ASSOC');
$count = $row['count'];
return $count;
}
/**
* This function counts the number of post by course.
*
* @param string $course_code
* @param int $session_id (optional), if is null(default) it'll return results including sessions,
* 0 = session is not filtered
* @param int $groupId
*
* @return int The number of post by course
*/
public static function count_number_of_posts_by_course($course_code, $session_id = null, $groupId = 0)
{
$courseInfo = api_get_course_info($course_code);
if (!empty($courseInfo)) {
$tbl_posts = Database::get_course_table(TABLE_FORUM_POST);
$tbl_forums = Database::get_course_table(TABLE_FORUM);
$condition_session = '';
if (isset($session_id)) {
$session_id = (int) $session_id;
$condition_session = api_get_session_condition(
$session_id,
true,
false,
'f.session_id'
);
}
$course_id = $courseInfo['real_id'];
$groupId = (int) $groupId;
if (!empty($groupId)) {
$groupCondition = " i.to_group_id = $groupId ";
} else {
$groupCondition = ' (i.to_group_id = 0 OR i.to_group_id IS NULL) ';
}
$item = Database::get_course_table(TABLE_ITEM_PROPERTY);
$sql = "SELECT count(*) FROM $tbl_posts p
INNER JOIN $tbl_forums f
ON f.forum_id = p.forum_id AND p.c_id = f.c_id
INNER JOIN $item i
ON (tool = '".TOOL_FORUM."' AND f.c_id = i.c_id AND f.iid = i.ref)
WHERE
p.c_id = $course_id AND
f.c_id = $course_id AND
$groupCondition
$condition_session
";
$result = Database::query($sql);
$row = Database::fetch_row($result);
$count = $row[0];
return $count;
}
return 0;
}
/**
* This function counts the number of threads by course.
*
* @param string Course code
* @param int Session id (optional),
* if param $session_id is null(default) it'll return results including
* sessions, 0 = session is not filtered
* @param int $groupId
*
* @return int The number of threads by course
*/
public static function count_number_of_threads_by_course(
$course_code,
$session_id = null,
$groupId = 0
) {
$course_info = api_get_course_info($course_code);
if (empty($course_info)) {
return null;
}
$course_id = $course_info['real_id'];
$tbl_threads = Database::get_course_table(TABLE_FORUM_THREAD);
$tbl_forums = Database::get_course_table(TABLE_FORUM);
$condition_session = '';
if (isset($session_id)) {
$session_id = (int) $session_id;
$condition_session = ' AND f.session_id = '.$session_id;
}
$groupId = (int) $groupId;
if (!empty($groupId)) {
$groupCondition = " i.to_group_id = $groupId ";
} else {
$groupCondition = " (i.to_group_id = 0 OR i.to_group_id IS NULL) ";
}
$item = Database::get_course_table(TABLE_ITEM_PROPERTY);
$sql = "SELECT count(*)
FROM $tbl_threads t
INNER JOIN $tbl_forums f
ON f.iid = t.forum_id AND f.c_id = t.c_id
INNER JOIN $item i
ON (
tool = '".TOOL_FORUM_THREAD."' AND
f.c_id = i.c_id AND
t.iid = i.ref
)
WHERE
t.c_id = $course_id AND
f.c_id = $course_id AND
$groupCondition
$condition_session
";
$result = Database::query($sql);
if (Database::num_rows($result)) {
$row = Database::fetch_row($result);
$count = $row[0];
return $count;
}
return 0;
}
/**
* This function counts the number of forums by course.
*
* @param string Course code
* @param int Session id (optional),
* if param $session_id is null(default) it'll return results
* including sessions, 0 = session is not filtered
* @param int $groupId
*
* @return int The number of forums by course
*/
public static function count_number_of_forums_by_course(
$course_code,
$session_id = null,
$groupId = 0
) {
$course_info = api_get_course_info($course_code);
if (empty($course_info)) {
return null;
}
$course_id = $course_info['real_id'];
$condition_session = '';
if (isset($session_id)) {
$session_id = (int) $session_id;
$condition_session = ' AND f.session_id = '.$session_id;
}
$groupId = (int) $groupId;
if (!empty($groupId)) {
$groupCondition = " i.to_group_id = $groupId ";
} else {
$groupCondition = " (i.to_group_id = 0 OR i.to_group_id IS NULL) ";
}
$tbl_forums = Database::get_course_table(TABLE_FORUM);
$item = Database::get_course_table(TABLE_ITEM_PROPERTY);
$sql = "SELECT count(*)
FROM $tbl_forums f
INNER JOIN $item i
ON f.c_id = i.c_id AND f.iid = i.ref AND tool = '".TOOL_FORUM."'
WHERE
f.c_id = $course_id AND
$groupCondition
$condition_session
";
$result = Database::query($sql);
if (Database::num_rows($result)) {
$row = Database::fetch_row($result);
$count = $row[0];
return $count;
}
return 0;
}
/**
* This function counts the chat last connections by course in x days.
*
* @param string Course code
* @param int Last x days
* @param int Session id (optional)
*
* @return int Chat last connections by course in x days
*/
public static function chat_connections_during_last_x_days_by_course(
$course_code,
$last_days,
$session_id = 0
) {
$course_info = api_get_course_info($course_code);
if (empty($course_info)) {
return null;
}
$course_id = $course_info['real_id'];
// Protect data
$last_days = (int) $last_days;
$session_id = (int) $session_id;
$tbl_stats_access = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ACCESS);
$now = api_get_utc_datetime();
$sql = "SELECT count(*) FROM $tbl_stats_access
WHERE
DATE_SUB('$now',INTERVAL $last_days DAY) <= access_date AND
c_id = '$course_id' AND
access_tool='".TOOL_CHAT."' AND
access_session_id = '$session_id' ";
$result = Database::query($sql);
if (Database::num_rows($result)) {
$row = Database::fetch_row($result);
$count = $row[0];
return $count;
}
return 0;
}
/**
* This function gets the last student's connection in chat.
*
* @param int Student id
* @param string Course code
* @param int Session id (optional)
*
* @return string datetime formatted without day (e.g: February 23, 2010 10:20:50 )
*/
public static function chat_last_connection(
$student_id,
$courseId,
$session_id = 0
) {
$student_id = (int) $student_id;
$courseId = (int) $courseId;
$session_id = (int) $session_id;
$date_time = '';
// table definition
$tbl_stats_access = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LASTACCESS);
$sql = "SELECT access_date
FROM $tbl_stats_access
WHERE
access_tool='".TOOL_CHAT."' AND
access_user_id='$student_id' AND
c_id = $courseId AND
access_session_id = '$session_id'
ORDER BY access_date DESC limit 1";
$rs = Database::query($sql);
if (Database::num_rows($rs) > 0) {
$row = Database::fetch_array($rs);
$date_time = api_convert_and_format_date(
$row['access_date'],
null,
date_default_timezone_get()
);
}
return $date_time;
}
/**
* Get count student's visited links.
*
* @param int $student_id Student id
* @param int $courseId
* @param int $session_id Session id (optional)
*
* @return int count of visited links
*/
public static function count_student_visited_links($student_id, $courseId, $session_id = 0)
{
$student_id = (int) $student_id;
$courseId = (int) $courseId;
$session_id = (int) $session_id;
// table definition
$table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LINKS);
$sql = 'SELECT 1
FROM '.$table.'
WHERE
links_user_id= '.$student_id.' AND
c_id = "'.$courseId.'" AND
links_session_id = '.$session_id.' ';
$rs = Database::query($sql);
return Database::num_rows($rs);
}
/**
* Get count student downloaded documents.
*
* @param int Student id
* @param int $courseId
* @param int Session id (optional)
*
* @return int Count downloaded documents
*/
public static function count_student_downloaded_documents($student_id, $courseId, $session_id = 0)
{
$student_id = (int) $student_id;
$courseId = (int) $courseId;
$session_id = (int) $session_id;
// table definition
$table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
$sql = 'SELECT 1
FROM '.$table.'
WHERE down_user_id = '.$student_id.'
AND c_id = "'.$courseId.'"
AND down_session_id = '.$session_id.' ';
$rs = Database::query($sql);
return Database::num_rows($rs);
}
/**
* Get course list inside a session from a student.
*
* @param int $user_id Student id
* @param int $id_session Session id (optional)
*
* @return array Courses list
*/
public static function get_course_list_in_session_from_student($user_id, $id_session = 0)
{
$user_id = intval($user_id);
$id_session = intval($id_session);
$tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$courseTable = Database::get_main_table(TABLE_MAIN_COURSE);
$sql = "SELECT c.code
FROM $tbl_session_course_user sc
INNER JOIN $courseTable c
WHERE
user_id= $user_id AND
session_id = $id_session";
$result = Database::query($sql);
$courses = [];
while ($row = Database::fetch_array($result)) {
$courses[$row['code']] = $row['code'];
}
return $courses;
}
/**
* Get inactive students in course.
*
* @param int $courseId
* @param string|int $since Since login course date (optional, default = 'never')
* @param int $session_id (optional)
*
* @return array Inactive users
*/
public static function getInactiveStudentsInCourse(
$courseId,
$since = 'never',
$session_id = 0
) {
$tbl_track_login = Database::get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
$tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$table_course_rel_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
$tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);
$now = api_get_utc_datetime();
$courseId = (int) $courseId;
$session_id = (int) $session_id;
if (empty($courseId)) {
return false;
}
if ($since === 'never') {
if (empty($session_id)) {
$sql = 'SELECT course_user.user_id
FROM '.$table_course_rel_user.' course_user
LEFT JOIN '.$tbl_track_login.' stats_login
ON course_user.user_id = stats_login.user_id AND
relation_type<>'.COURSE_RELATION_TYPE_RRHH.'
INNER JOIN '.$tableCourse.' c
ON (c.id = course_user.c_id)
WHERE
course_user.c_id = '.$courseId.' AND
stats_login.login_course_date IS NULL
GROUP BY course_user.user_id';
} else {
$sql = 'SELECT session_course_user.user_id
FROM '.$tbl_session_course_user.' session_course_user
LEFT JOIN '.$tbl_track_login.' stats_login
ON session_course_user.user_id = stats_login.user_id
INNER JOIN '.$tableCourse.' c
ON (c.id = session_course_user.c_id)
WHERE
session_course_user.c_id = '.$courseId.' AND
stats_login.login_course_date IS NULL
GROUP BY session_course_user.user_id';
}
} else {
$since = (int) $since;
if (empty($session_id)) {
$inner = 'INNER JOIN '.$table_course_rel_user.' course_user
ON course_user.user_id = stats_login.user_id AND course_user.c_id = c.id ';
} else {
$inner = 'INNER JOIN '.$tbl_session_course_user.' session_course_user
ON
c.id = session_course_user.c_id AND
session_course_user.session_id = '.$session_id.' AND
session_course_user.user_id = stats_login.user_id ';
}
$sql = 'SELECT
stats_login.user_id,
MAX(login_course_date) max_date
FROM '.$tbl_track_login.' stats_login
INNER JOIN '.$tableCourse.' c
ON (c.id = stats_login.c_id)
'.$inner.'
WHERE c.id = '.$courseId.'
GROUP BY stats_login.user_id
HAVING DATE_SUB("'.$now.'", INTERVAL '.$since.' DAY) > max_date ';
}
$rs = Database::query($sql);
$users = [];
while ($user = Database::fetch_array($rs)) {
$users[] = $user['user_id'];
}
return $users;
}
/**
* get count clicks about tools most used by course.
*
* @param int $courseId
* @param int Session id (optional),
* if param $session_id is null(default) it'll return results
* including sessions, 0 = session is not filtered
*
* @return array tools data
*/
public static function get_tools_most_used_by_course($courseId, $session_id = null)
{
$courseId = (int) $courseId;
$data = [];
$TABLETRACK_ACCESS = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LASTACCESS);
$condition_session = '';
if (isset($session_id)) {
$session_id = (int) $session_id;
$condition_session = ' AND access_session_id = '.$session_id;
}
$sql = "SELECT
access_tool,
COUNT(DISTINCT access_user_id),
count(access_tool) as count_access_tool
FROM $TABLETRACK_ACCESS
WHERE
access_tool IS NOT NULL AND
access_tool != '' AND
c_id = '$courseId'
$condition_session
GROUP BY access_tool
ORDER BY count_access_tool DESC
LIMIT 0, 3";
$rs = Database::query($sql);
if (Database::num_rows($rs) > 0) {
while ($row = Database::fetch_array($rs)) {
$data[] = $row;
}
}
return $data;
}
/**
* get documents most downloaded by course.
*
* @param string Course code
* @param int Session id (optional),
* if param $session_id is null(default) it'll return results including
* sessions, 0 = session is not filtered
* @param int Limit (optional, default = 0, 0 = without limit)
*
* @return array documents downloaded
*/
public static function get_documents_most_downloaded_by_course(
$course_code,
$session_id = 0,
$limit = 0
) {
$courseId = api_get_course_int_id($course_code);
$data = [];
$TABLETRACK_DOWNLOADS = Database::get_main_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
$condition_session = '';
$session_id = intval($session_id);
if (!empty($session_id)) {
$condition_session = ' AND down_session_id = '.$session_id;
}
$sql = "SELECT
down_doc_path,
COUNT(DISTINCT down_user_id),
COUNT(down_doc_path) as count_down
FROM $TABLETRACK_DOWNLOADS
WHERE c_id = $courseId
$condition_session
GROUP BY down_doc_path
ORDER BY count_down DESC
LIMIT 0, $limit";
$rs = Database::query($sql);
if (Database::num_rows($rs) > 0) {
while ($row = Database::fetch_array($rs)) {
$data[] = $row;
}
}
return $data;
}
/**
* get links most visited by course.
*
* @param string Course code
* @param int Session id (optional),
* if param $session_id is null(default) it'll
* return results including sessions, 0 = session is not filtered
*
* @return array links most visited
*/
public static function get_links_most_visited_by_course($course_code, $session_id = null)
{
$course_code = Database::escape_string($course_code);
$course_info = api_get_course_info($course_code);
$course_id = $course_info['real_id'];
$data = [];
$TABLETRACK_LINKS = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LINKS);
$TABLECOURSE_LINKS = Database::get_course_table(TABLE_LINK);
$condition_session = '';
if (isset($session_id)) {
$session_id = intval($session_id);
$condition_session = ' AND cl.session_id = '.$session_id;
}
$sql = "SELECT cl.title, cl.url,count(DISTINCT sl.links_user_id), count(cl.title) as count_visits
FROM $TABLETRACK_LINKS AS sl, $TABLECOURSE_LINKS AS cl
WHERE
cl.c_id = $course_id AND
sl.links_link_id = cl.id AND
sl.c_id = $course_id
$condition_session
GROUP BY cl.title, cl.url
ORDER BY count_visits DESC
LIMIT 0, 3";
$rs = Database::query($sql);
if (Database::num_rows($rs) > 0) {
while ($row = Database::fetch_array($rs)) {
$data[] = $row;
}
}
return $data;
}
/**
* Shows the user progress (when clicking in the Progress tab).
*
* @param int $user_id
* @param int $session_id
* @param string $extra_params
* @param bool $show_courses
* @param bool $showAllSessions
* @param bool $returnArray
*
* @return string|array
*/
public static function show_user_progress(
$user_id,
$session_id = 0,
$extra_params = '',
$show_courses = true,
$showAllSessions = true,
$returnArray = false
) {
$tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$tbl_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
$tbl_access_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_access_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$trackingColumns = [
'course_session' => [
'course_title' => true,
'published_exercises' => true,
'new_exercises' => true,
'my_average' => true,
'average_exercise_result' => true,
'time_spent' => true,
'lp_progress' => true,
'score' => true,
'best_score' => true,
'last_connection' => true,
'details' => true,
],
];
$trackingColumnsConfig = api_get_configuration_value('tracking_columns');
if (!empty($trackingColumnsConfig)) {
$trackingColumns = $trackingColumnsConfig;
}
$user_id = (int) $user_id;
$session_id = (int) $session_id;
$urlId = api_get_current_access_url_id();
if (api_is_multiple_url_enabled()) {
$sql = "SELECT c.id, c.code, title
FROM $tbl_course_user cu
INNER JOIN $tbl_course c
ON (cu.c_id = c.id)
INNER JOIN $tbl_access_rel_course a
ON (a.c_id = c.id)
WHERE
cu.user_id = $user_id AND
relation_type<> ".COURSE_RELATION_TYPE_RRHH." AND
access_url_id = $urlId
ORDER BY title";
} else {
$sql = "SELECT c.id, c.code, title
FROM $tbl_course_user u
INNER JOIN $tbl_course c ON (c_id = c.id)
WHERE
u.user_id= $user_id AND
relation_type <> ".COURSE_RELATION_TYPE_RRHH."
ORDER BY title";
}
$rs = Database::query($sql);
$courses = $course_in_session = $temp_course_in_session = [];
$courseIdList = [];
while ($row = Database::fetch_array($rs, 'ASSOC')) {
$courses[$row['code']] = $row['title'];
$courseIdList[] = $row['id'];
}
$orderBy = ' ORDER BY name ';
$extraInnerJoin = null;
if (SessionManager::orderCourseIsEnabled() && !empty($session_id)) {
$orderBy = ' ORDER BY s.id, src.position ';
$tableSessionRelCourse = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$extraInnerJoin = " INNER JOIN $tableSessionRelCourse src
ON (cu.c_id = src.c_id AND src.session_id = $session_id) ";
}
$sessionCondition = '';
if (!empty($session_id)) {
$sessionCondition = " AND s.id = $session_id";
}
// Get the list of sessions where the user is subscribed as student
if (api_is_multiple_url_enabled()) {
$sql = "SELECT DISTINCT c.code, s.id as session_id, name
FROM $tbl_session_course_user cu
INNER JOIN $tbl_access_rel_session a
ON (a.session_id = cu.session_id)
INNER JOIN $tbl_session s
ON (s.id = a.session_id)
INNER JOIN $tbl_course c
ON (c.id = cu.c_id)
$extraInnerJoin
WHERE
cu.user_id = $user_id AND
access_url_id = ".$urlId."
$sessionCondition
$orderBy ";
} else {
$sql = "SELECT DISTINCT c.code, s.id as session_id, name
FROM $tbl_session_course_user cu
INNER JOIN $tbl_session s
ON (s.id = cu.session_id)
INNER JOIN $tbl_course c
ON (c.id = cu.c_id)
$extraInnerJoin
WHERE
cu.user_id = $user_id
$sessionCondition
$orderBy ";
}
$rs = Database::query($sql);
$simple_session_array = [];
while ($row = Database::fetch_array($rs, 'ASSOC')) {
$course_info = api_get_course_info($row['code']);
$temp_course_in_session[$row['session_id']]['course_list'][$course_info['real_id']] = $course_info;
$temp_course_in_session[$row['session_id']]['name'] = $row['name'];
$simple_session_array[$row['session_id']] = $row['name'];
}
foreach ($simple_session_array as $my_session_id => $session_name) {
$course_list = $temp_course_in_session[$my_session_id]['course_list'];
$my_course_data = [];
foreach ($course_list as $courseId => $course_data) {
$my_course_data[$courseId] = $course_data['title'];
}
if (empty($session_id)) {
$my_course_data = utf8_sort($my_course_data);
}
$final_course_data = [];
foreach ($my_course_data as $course_id => $value) {
if (isset($course_list[$course_id])) {
$final_course_data[$course_id] = $course_list[$course_id];
}
}
$course_in_session[$my_session_id]['course_list'] = $final_course_data;
$course_in_session[$my_session_id]['name'] = $session_name;
}
if ($returnArray) {
$course_in_session[0] = $courseIdList;
return $course_in_session;
}
$html = '';
// Course list
if ($show_courses) {
if (!empty($courses)) {
$html .= Display::page_subheader(
Display::return_icon(
'course.png',
get_lang('My courses'),
[],
ICON_SIZE_SMALL
).' '.get_lang('My courses')
);
$columns = [
'course_title' => get_lang('Course'),
'time_spent' => get_lang('Time spent in the course'),
'progress' => get_lang('Progress'),
'best_score_in_lp' => get_lang('Best score in learning path'),
'best_score_not_in_lp' => get_lang('Best score not in learning path'),
'latest_login' => get_lang('Latest login'),
'details' => get_lang('Details'),
];
$availableColumns = [];
if (isset($trackingColumns['my_progress_courses'])) {
$availableColumns = $trackingColumns['my_progress_courses'];
}
$html .= '';
$html .= '
';
$html .= '';
foreach ($columns as $columnKey => $name) {
if (!empty($availableColumns)) {
if (isset($availableColumns[$columnKey]) && $availableColumns[$columnKey] == false) {
continue;
}
}
$html .= Display::tag('th', $name);
}
$html .= '
';
foreach ($courses as $course_code => $course_title) {
$courseInfo = api_get_course_info($course_code);
$courseId = $courseInfo['real_id'];
$total_time_login = self::get_time_spent_on_the_course(
$user_id,
$courseId
);
$time = api_time_to_hms($total_time_login);
$progress = self::get_avg_student_progress(
$user_id,
$course_code
);
$bestScore = self::get_avg_student_score(
$user_id,
$course_code,
[],
null,
false,
false,
true
);
$exerciseList = ExerciseLib::get_all_exercises(
$courseInfo,
0,
false,
null,
false,
1
);
$bestScoreAverageNotInLP = 0;
if (!empty($exerciseList)) {
foreach ($exerciseList as $exerciseData) {
$results = Event::get_best_exercise_results_by_user(
$exerciseData['id'],
$courseInfo['real_id'],
0,
$user_id
);
$best = 0;
if (!empty($results)) {
foreach ($results as $result) {
if (!empty($result['max_score'])) {
$score = $result['score'] / $result['max_score'];
if ($score > $best) {
$best = $score;
}
}
}
}
$bestScoreAverageNotInLP += $best;
}
$bestScoreAverageNotInLP = round($bestScoreAverageNotInLP / count($exerciseList) * 100, 2);
}
$last_connection = self::get_last_connection_date_on_the_course(
$user_id,
$courseInfo
);
if (is_null($progress) || empty($progress)) {
$progress = '0%';
} else {
$progress = $progress.'%';
}
if (isset($_GET['course']) &&
$course_code == $_GET['course'] &&
empty($_GET['session_id'])
) {
$html .= '';
} else {
$html .= '
';
}
$url = api_get_course_url($course_code, $session_id);
$course_url = Display::url($course_title, $url, ['target' => SESSION_LINK_TARGET]);
$bestScoreResult = '';
if (empty($bestScore)) {
$bestScoreResult = '-';
} else {
$bestScoreResult = $bestScore.'%';
}
$bestScoreNotInLP = '';
if (empty($bestScoreAverageNotInLP)) {
$bestScoreNotInLP = '-';
} else {
$bestScoreNotInLP = $bestScoreAverageNotInLP.'%';
}
$detailsLink = '';
if (isset($_GET['course']) &&
$course_code == $_GET['course'] &&
empty($_GET['session_id'])
) {
$detailsLink .= '';
$detailsLink .= Display::return_icon('2rightarrow_na.png', get_lang('Details'));
$detailsLink .= '';
} else {
$detailsLink .= '';
$detailsLink .= Display::return_icon('2rightarrow.png', get_lang('Details'));
$detailsLink .= '';
}
$result = [
'course_title' => $course_url,
'time_spent' => $time,
'progress' => $progress,
'best_score_in_lp' => $bestScoreResult,
'best_score_not_in_lp' => $bestScoreNotInLP,
'latest_login' => $last_connection,
'details' => $detailsLink,
];
foreach ($result as $columnKey => $data) {
if (!empty($availableColumns)) {
if (isset($availableColumns[$columnKey]) && $availableColumns[$columnKey] == false) {
continue;
}
}
$html .= ''.$data.' | ';
}
$html .= '
';
}
$html .= '
';
$html .= '
';
}
}
// Session list
if (!empty($course_in_session)) {
$main_session_graph = '';
// Load graphics only when calling to an specific session
$all_exercise_graph_name_list = [];
$my_results = [];
$all_exercise_graph_list = [];
$all_exercise_start_time = [];
foreach ($course_in_session as $my_session_id => $session_data) {
$course_list = $session_data['course_list'];
$user_count = count(SessionManager::get_users_by_session($my_session_id));
$exercise_graph_name_list = [];
$exercise_graph_list = [];
foreach ($course_list as $course_data) {
$exercise_list = ExerciseLib::get_all_exercises(
$course_data,
$my_session_id,
false,
null,
false,
1
);
foreach ($exercise_list as $exercise_data) {
$exercise_obj = new Exercise($course_data['real_id']);
$exercise_obj->read($exercise_data['id']);
// Exercise is not necessary to be visible to show results check the result_disable configuration instead
//$visible_return = $exercise_obj->is_visible();
if ($exercise_data['results_disabled'] == 0 || $exercise_data['results_disabled'] == 2) {
$best_average = (int)
ExerciseLib::get_best_average_score_by_exercise(
$exercise_data['id'],
$course_data['real_id'],
$my_session_id,
$user_count
)
;
$exercise_graph_list[] = $best_average;
$all_exercise_graph_list[] = $best_average;
$user_result_data = ExerciseLib::get_best_attempt_by_user(
api_get_user_id(),
$exercise_data['id'],
$course_data['real_id'],
$my_session_id
);
$score = 0;
if (!empty($user_result_data['max_score']) && intval($user_result_data['max_score']) != 0) {
$score = intval($user_result_data['score'] / $user_result_data['max_score'] * 100);
}
$time = api_strtotime($exercise_data['start_time']) ? api_strtotime($exercise_data['start_time'], 'UTC') : 0;
$all_exercise_start_time[] = $time;
$my_results[] = $score;
if (count($exercise_list) <= 10) {
$title = cut($course_data['title'], 30)." \n ".cut($exercise_data['title'], 30);
$exercise_graph_name_list[] = $title;
$all_exercise_graph_name_list[] = $title;
} else {
// if there are more than 10 results, space becomes difficult to find,
// so only show the title of the exercise, not the tool
$title = cut($exercise_data['title'], 30);
$exercise_graph_name_list[] = $title;
$all_exercise_graph_name_list[] = $title;
}
}
}
}
}
// Complete graph
if (!empty($my_results) && !empty($all_exercise_graph_list)) {
asort($all_exercise_start_time);
//Fix exams order
$final_all_exercise_graph_name_list = [];
$my_results_final = [];
$final_all_exercise_graph_list = [];
foreach ($all_exercise_start_time as $key => $time) {
$label_time = '';
if (!empty($time)) {
$label_time = date('d-m-y', $time);
}
$final_all_exercise_graph_name_list[] = $all_exercise_graph_name_list[$key].' '.$label_time;
$my_results_final[] = $my_results[$key];
$final_all_exercise_graph_list[] = $all_exercise_graph_list[$key];
}
$main_session_graph = self::generate_session_exercise_graph(
$final_all_exercise_graph_name_list,
$my_results_final,
$final_all_exercise_graph_list
);
}
$sessionIcon = Display::return_icon(
'session.png',
get_lang('Course sessions'),
[],
ICON_SIZE_SMALL
);
$anchor = Display::url('', '', ['name' => 'course_session_header']);
$html .= $anchor.Display::page_subheader(
$sessionIcon.' '.get_lang('Course sessions')
);
$html .= '';
$html .= '
';
$html .= '';
$html .= '
'.Display::tag('th', get_lang('Session'), ['width' => '300px']).'
'.Display::tag('th', get_lang('Tests available'), ['width' => '300px']).'
'.Display::tag('th', get_lang('New exercises')).'
'.Display::tag('th', get_lang('Average exercise result')).'
'.Display::tag('th', get_lang('Details')).'
';
$html .= '';
$html .= '';
foreach ($course_in_session as $my_session_id => $session_data) {
$course_list = $session_data['course_list'];
$session_name = $session_data['name'];
if ($showAllSessions == false) {
if (isset($session_id) && !empty($session_id)) {
if ($session_id != $my_session_id) {
continue;
}
}
}
$all_exercises = 0;
$all_unanswered_exercises_by_user = 0;
$all_average = 0;
$stats_array = [];
foreach ($course_list as $course_data) {
// All exercises in the course @todo change for a real count
$exercises = ExerciseLib::get_all_exercises($course_data, $my_session_id);
$count_exercises = 0;
if (is_array($exercises) && !empty($exercises)) {
$count_exercises = count($exercises);
}
// Count of user results
$done_exercises = null;
$courseInfo = api_get_course_info($course_data['code']);
$answered_exercises = 0;
if (!empty($exercises)) {
foreach ($exercises as $exercise_item) {
$attempts = Event::count_exercise_attempts_by_user(
api_get_user_id(),
$exercise_item['id'],
$courseInfo['real_id'],
$my_session_id
);
if ($attempts > 1) {
$answered_exercises++;
}
}
}
// Average
$average = ExerciseLib::get_average_score_by_course(
$courseInfo['real_id'],
$my_session_id
);
$all_exercises += $count_exercises;
$all_unanswered_exercises_by_user += $count_exercises - $answered_exercises;
$all_average += $average;
}
if (!empty($course_list)) {
$all_average = $all_average / count($course_list);
}
if (isset($_GET['session_id']) && $my_session_id == $_GET['session_id']) {
$html .= '';
} else {
$html .= '
';
}
$url = api_get_path(WEB_CODE_PATH)."session/index.php?session_id={$my_session_id}";
$html .= Display::tag('td', Display::url($session_name, $url, ['target' => SESSION_LINK_TARGET]));
$html .= Display::tag('td', $all_exercises);
$html .= Display::tag('td', $all_unanswered_exercises_by_user);
$html .= Display::tag('td', ExerciseLib::convert_to_percentage($all_average));
if (isset($_GET['session_id']) && $my_session_id == $_GET['session_id']) {
$icon = Display::url(
Display::return_icon(
'2rightarrow_na.png',
get_lang('Details')
),
api_get_self().'?session_id='.$my_session_id.'#course_session_list'
);
} else {
$icon = Display::url(
Display::return_icon(
'2rightarrow.png',
get_lang('Details')
),
api_get_self().'?session_id='.$my_session_id.'#course_session_list'
);
}
$html .= Display::tag('td', $icon);
$html .= '
';
}
$html .= '';
$html .= '
';
$html .= Display::div(
$main_session_graph,
[
'id' => 'session_graph',
'class' => 'chart-session',
'style' => 'position:relative; text-align: center;',
]
);
// Checking selected session.
if (isset($_GET['session_id'])) {
$session_id_from_get = (int) $_GET['session_id'];
$session_data = $course_in_session[$session_id_from_get];
$course_list = $session_data['course_list'];
$html .= '';
$html .= Display::tag('h3', $session_data['name'].' - '.get_lang('Course list'));
$html .= '';
$html .= '
';
$columnHeaders = [
'course_title' => [
get_lang('Course'),
['width' => '300px'],
],
'published_exercises' => [
get_lang('Tests available'),
],
'new_exercises' => [
get_lang('New exercises'),
],
'my_average' => [
get_lang('My average'),
],
'average_exercise_result' => [
get_lang('Average exercise result'),
],
'time_spent' => [
get_lang('Time spent in the course'),
],
'lp_progress' => [
get_lang('Learning path progress'),
],
'score' => [
get_lang('Score').
Display::return_icon(
'info3.gif',
get_lang('Average of tests in Learning Paths'),
['align' => 'absmiddle', 'hspace' => '3px']
),
],
'best_score' => [
get_lang('Best score'),
],
'last_connection' => [
get_lang('Latest login'),
],
'details' => [
get_lang('Details'),
],
];
$html .= '';
foreach ($columnHeaders as $key => $columnSetting) {
if (isset($trackingColumns['course_session']) &&
in_array($key, $trackingColumns['course_session']) &&
$trackingColumns['course_session'][$key]
) {
$settings = isset($columnSetting[1]) ? $columnSetting[1] : [];
$html .= Display::tag(
'th',
$columnSetting[0],
$settings
);
}
}
$html .= '
';
foreach ($course_list as $course_data) {
$course_code = $course_data['code'];
$course_title = $course_data['title'];
$courseId = $course_data['real_id'];
// All exercises in the course @todo change for a real count
$exercises = ExerciseLib::get_all_exercises(
$course_data,
$session_id_from_get
);
$count_exercises = 0;
if (!empty($exercises)) {
$count_exercises = count($exercises);
}
$answered_exercises = 0;
foreach ($exercises as $exercise_item) {
$attempts = Event::count_exercise_attempts_by_user(
api_get_user_id(),
$exercise_item['id'],
$courseId,
$session_id_from_get
);
if ($attempts > 1) {
$answered_exercises++;
}
}
$unanswered_exercises = $count_exercises - $answered_exercises;
// Average
$average = ExerciseLib::get_average_score_by_course(
$courseId,
$session_id_from_get
);
$my_average = ExerciseLib::get_average_score_by_course_by_user(
api_get_user_id(),
$courseId,
$session_id_from_get
);
$bestScore = self::get_avg_student_score(
$user_id,
$course_code,
[],
$session_id_from_get,
false,
false,
true
);
$stats_array[$course_code] = [
'exercises' => $count_exercises,
'unanswered_exercises_by_user' => $unanswered_exercises,
'done_exercises' => $done_exercises,
'average' => $average,
'my_average' => $my_average,
'best_score' => $bestScore,
];
$last_connection = self::get_last_connection_date_on_the_course(
$user_id,
$course_data,
$session_id_from_get
);
$progress = self::get_avg_student_progress(
$user_id,
$course_code,
[],
$session_id_from_get
);
$total_time_login = self::get_time_spent_on_the_course(
$user_id,
$courseId,
$session_id_from_get
);
$time = api_time_to_hms($total_time_login);
$percentage_score = self::get_avg_student_score(
$user_id,
$course_code,
[],
$session_id_from_get
);
$courseCodeFromGet = isset($_GET['course']) ? $_GET['course'] : null;
if ($course_code == $courseCodeFromGet && $_GET['session_id'] == $session_id_from_get) {
$html .= '';
} else {
$html .= '
';
}
$url = api_get_course_url($course_code, $session_id_from_get);
$course_url = Display::url(
$course_title,
$url,
['target' => SESSION_LINK_TARGET]
);
if (is_numeric($progress)) {
$progress = $progress.'%';
} else {
$progress = '0%';
}
if (is_numeric($percentage_score)) {
$percentage_score = $percentage_score.'%';
} else {
$percentage_score = '0%';
}
if (is_numeric($stats_array[$course_code]['best_score'])) {
$bestScore = $stats_array[$course_code]['best_score'].'%';
} else {
$bestScore = '-';
}
if (empty($last_connection) || is_bool($last_connection)) {
$last_connection = '';
}
if ($course_code == $courseCodeFromGet &&
$_GET['session_id'] == $session_id_from_get
) {
$details = Display::url(
Display::return_icon('2rightarrow_na.png', get_lang('Details')),
'#course_session_data'
);
} else {
$url = api_get_self().'?course='.$course_code.'&session_id='.$session_id_from_get.$extra_params.'#course_session_data';
$details = Display::url(
Display::return_icon(
'2rightarrow.png',
get_lang('Details')
),
$url
);
}
$details .= '';
$data = [
'course_title' => $course_url,
'published_exercises' => $stats_array[$course_code]['exercises'], // exercise available
'new_exercises' => $stats_array[$course_code]['unanswered_exercises_by_user'],
'my_average' => ExerciseLib::convert_to_percentage($stats_array[$course_code]['my_average']),
'average_exercise_result' => $stats_array[$course_code]['average'] == 0 ? '-' : '('.ExerciseLib::convert_to_percentage($stats_array[$course_code]['average']).')',
'time_spent' => $time,
'lp_progress' => $progress,
'score' => $percentage_score,
'best_score' => $bestScore,
'last_connection' => $last_connection,
'details' => $details,
];
foreach ($data as $key => $value) {
if (in_array($key, $trackingColumns['course_session'])
&& $trackingColumns['course_session'][$key]
) {
$html .= Display::tag('td', $value);
}
}
$html .= '
';
}
$html .= '
';
}
}
$pluginCalendar = api_get_plugin_setting('learning_calendar', 'enabled') === 'true';
if ($pluginCalendar) {
$course_in_session[0] = $courseIdList;
$plugin = LearningCalendarPlugin::create();
$html .= $plugin->getUserStatsPanel($user_id, $course_in_session);
}
return $html;
}
/**
* Shows the user detail progress (when clicking in the details link).
*
* @param int $user_id
* @param string $course_code
* @param int $session_id
*
* @return string html code
*/
public static function show_course_detail($user_id, $course_code, $session_id)
{
$html = '';
if (isset($course_code)) {
$user_id = (int) $user_id;
$session_id = (int) $session_id;
$course = Database::escape_string($course_code);
$course_info = api_get_course_info($course);
if (empty($course_info)) {
return '';
}
$html .= '';
$html .= Display::page_subheader($course_info['title']);
$html .= '';
$html .= '
';
// Course details
$html .= '
'.get_lang('Tests').' |
'.get_lang('Attempts').' |
'.get_lang('Best attempt').' |
'.get_lang('Ranking').' |
'.get_lang('Best result in course').' |
'.get_lang('Statistics').' '.Display::return_icon('info3.gif', get_lang('In case of multiple attempts, only shows the best result of each learner'), ['align' => 'absmiddle', 'hspace' => '3px']).' |
';
if (empty($session_id)) {
$user_list = CourseManager::get_user_list_from_course_code(
$course,
$session_id,
null,
null,
STUDENT
);
} else {
$user_list = CourseManager::get_user_list_from_course_code(
$course,
$session_id,
null,
null,
0
);
}
// Show exercise results of invisible exercises? see BT#4091
$exercise_list = ExerciseLib::get_all_exercises(
$course_info,
$session_id,
false,
null,
false,
2
);
$to_graph_exercise_result = [];
if (!empty($exercise_list)) {
$score = $weighting = $exe_id = 0;
foreach ($exercise_list as $exercices) {
$exercise_obj = new Exercise($course_info['real_id']);
$exercise_obj->read($exercices['id']);
$visible_return = $exercise_obj->is_visible();
$score = $weighting = $attempts = 0;
// Getting count of attempts by user
$attempts = Event::count_exercise_attempts_by_user(
api_get_user_id(),
$exercices['id'],
$course_info['real_id'],
$session_id
);
$html .= '';
$url = api_get_path(WEB_CODE_PATH)."exercise/overview.php?cidReq={$course_info['code']}&id_session=$session_id&exerciseId={$exercices['id']}";
if ($visible_return['value'] == true) {
$exercices['title'] = Display::url(
$exercices['title'],
$url,
['target' => SESSION_LINK_TARGET]
);
} elseif ($exercices['active'] == -1) {
$exercices['title'] = sprintf(get_lang('%s (deleted)'), $exercices['title']);
}
$html .= Display::tag('td', $exercices['title']);
// Exercise configuration show results or show only score
if ($exercices['results_disabled'] == 0 || $exercices['results_disabled'] == 2) {
//For graphics
$best_exercise_stats = Event::get_best_exercise_results_by_user(
$exercices['id'],
$course_info['real_id'],
$session_id
);
$to_graph_exercise_result[$exercices['id']] = [
'title' => $exercices['title'],
'data' => $best_exercise_stats,
];
$latest_attempt_url = '';
$best_score = $position = $percentage_score_result = '-';
$graph = $normal_graph = null;
// Getting best results
$best_score_data = ExerciseLib::get_best_attempt_in_course(
$exercices['id'],
$course_info['real_id'],
$session_id
);
$best_score = '';
if (!empty($best_score_data)) {
$best_score = ExerciseLib::show_score(
$best_score_data['score'],
$best_score_data['max_score']
);
}
if ($attempts > 0) {
$exercise_stat = ExerciseLib::get_best_attempt_by_user(
api_get_user_id(),
$exercices['id'],
$course_info['real_id'],
$session_id
);
if (!empty($exercise_stat)) {
// Always getting the BEST attempt
$score = $exercise_stat['score'];
$weighting = $exercise_stat['max_score'];
$exe_id = $exercise_stat['exe_id'];
$latest_attempt_url .= api_get_path(WEB_CODE_PATH).'exercise/result.php?id='.$exe_id.'&cidReq='.$course_info['code'].'&show_headers=1&id_session='.$session_id;
$percentage_score_result = Display::url(
ExerciseLib::show_score($score, $weighting),
$latest_attempt_url
);
$my_score = 0;
if (!empty($weighting) && intval($weighting) != 0) {
$my_score = $score / $weighting;
}
//@todo this function slows the page
if (is_int($user_list)) {
$user_list = [$user_list];
}
$position = ExerciseLib::get_exercise_result_ranking(
$my_score,
$exe_id,
$exercices['id'],
$course_info['code'],
$session_id,
$user_list
);
$graph = self::generate_exercise_result_thumbnail_graph(
$to_graph_exercise_result[$exercices['id']]
);
$normal_graph = self::generate_exercise_result_graph(
$to_graph_exercise_result[$exercices['id']]
);
}
}
$html .= Display::div(
$normal_graph,
[
'id' => 'main_graph_'.$exercices['id'],
'class' => 'dialog',
'style' => 'display:none',
]
);
if (empty($graph)) {
$graph = '-';
} else {
$graph = Display::url(
'',
$normal_graph,
[
'id' => $exercices['id'],
'class' => 'expand-image',
]
);
}
$html .= Display::tag('td', $attempts);
$html .= Display::tag('td', $percentage_score_result);
$html .= Display::tag('td', $position);
$html .= Display::tag('td', $best_score);
$html .= Display::tag('td', $graph);
} else {
// Exercise configuration NO results
$html .= Display::tag('td', $attempts);
$html .= Display::tag('td', '-');
$html .= Display::tag('td', '-');
$html .= Display::tag('td', '-');
$html .= Display::tag('td', '-');
}
$html .= '
';
}
} else {
$html .= ''.get_lang('There is no test for the moment').' |
';
}
$html .= '
';
$columnHeaders = [
'lp' => get_lang('Learning paths'),
'time' => get_lang('Time spent'),
'progress' => get_lang('Progress'),
'score' => get_lang('Score'),
'best_score' => get_lang('Best score'),
'last_connection' => get_lang('Latest login'),
];
$headers = '';
$trackingColumns = api_get_configuration_value('tracking_columns');
if (isset($trackingColumns['my_progress_lp'])) {
foreach ($columnHeaders as $key => $value) {
if (!isset($trackingColumns['my_progress_lp'][$key]) ||
$trackingColumns['my_progress_lp'][$key] == false
) {
unset($columnHeaders[$key]);
}
}
}
$columnHeadersKeys = array_keys($columnHeaders);
foreach ($columnHeaders as $key => $columnName) {
$headers .= Display::tag(
'th',
$columnName
);
}
// LP table results
$html .= '';
$html .= '
';
$html .= '';
$html .= $headers;
$html .= '
';
$list = new LearnpathList(
api_get_user_id(),
$course_info,
$session_id,
'lp.publicatedOn ASC',
true,
null,
true
);
$lp_list = $list->get_flat_list();
if (!empty($lp_list)) {
foreach ($lp_list as $lp_id => $learnpath) {
if (!$learnpath['lp_visibility']) {
continue;
}
$progress = self::get_avg_student_progress(
$user_id,
$course,
[$lp_id],
$session_id
);
$last_connection_in_lp = self::get_last_connection_time_in_lp(
$user_id,
$course,
$lp_id,
$session_id
);
$time_spent_in_lp = self::get_time_spent_in_lp(
$user_id,
$course,
[$lp_id],
$session_id
);
$percentage_score = self::get_avg_student_score(
$user_id,
$course,
[$lp_id],
$session_id
);
$bestScore = self::get_avg_student_score(
$user_id,
$course,
[$lp_id],
$session_id,
false,
false,
true
);
if (is_numeric($progress)) {
$progress = $progress.'%';
}
if (is_numeric($percentage_score)) {
$percentage_score = $percentage_score.'%';
} else {
$percentage_score = '0%';
}
if (is_numeric($bestScore)) {
$bestScore = $bestScore.'%';
} else {
$bestScore = '-';
}
$time_spent_in_lp = api_time_to_hms($time_spent_in_lp);
$last_connection = '-';
if (!empty($last_connection_in_lp)) {
$last_connection = api_convert_and_format_date(
$last_connection_in_lp,
DATE_TIME_FORMAT_LONG
);
}
$url = api_get_path(WEB_CODE_PATH)."lp/lp_controller.php?cidReq={$course_code}&id_session=$session_id&lp_id=$lp_id&action=view";
$html .= '';
if (in_array('lp', $columnHeadersKeys)) {
if ($learnpath['lp_visibility'] == 0) {
$html .= Display::tag('td', $learnpath['lp_name']);
} else {
$html .= Display::tag(
'td',
Display::url(
$learnpath['lp_name'],
$url,
['target' => SESSION_LINK_TARGET]
)
);
}
}
if (in_array('time', $columnHeadersKeys)) {
$html .= Display::tag(
'td',
$time_spent_in_lp
);
}
if (in_array('progress', $columnHeadersKeys)) {
$html .= Display::tag(
'td',
$progress
);
}
if (in_array('score', $columnHeadersKeys)) {
$html .= Display::tag('td', $percentage_score);
}
if (in_array('best_score', $columnHeadersKeys)) {
$html .= Display::tag('td', $bestScore);
}
if (in_array('last_connection', $columnHeadersKeys)) {
$html .= Display::tag('td', $last_connection, ['width' => '180px']);
}
$html .= '
';
}
} else {
$html .= '
'.get_lang('No learning path').'
|
';
}
$html .= '
';
$html .= self::displayUserSkills($user_id, $course_info['id'], $session_id);
}
return $html;
}
/**
* Generates an histogram.
*
* @param array $names list of exercise names
* @param array $my_results my results 0 to 100
* @param array $average average scores 0-100
*
* @return string
*/
public static function generate_session_exercise_graph($names, $my_results, $average)
{
$html = api_get_js('chartjs/Chart.js');
$canvas = Display::tag('canvas', '', ['id' => 'session_graph_chart']);
$html .= Display::tag('div', $canvas, ['style' => 'width:100%']);
$jsStr = " var data = {
labels:".json_encode($names).",
datasets: [
{
label: '".get_lang('My results')."',
backgroundColor: 'rgb(255, 99, 132)',
stack: 'Stack1',
data: ".json_encode($my_results).",
},
{
label: '".get_lang('Average score')."',
backgroundColor: 'rgb(75, 192, 192)',
stack: 'Stack2',
data: ".json_encode($average).",
},
],
};
var ctx = document.getElementById('session_graph_chart').getContext('2d');
var myBarChart = new Chart(ctx, {
type: 'bar',
data: data,
options: {
title: {
display: true,
text: '".get_lang('TestsInTimeProgressChart')."'
},
tooltips: {
mode: 'index',
intersect: false
},
responsive: true,
scales: {
yAxes: [{
ticks: {
// Include a dollar sign in the ticks
callback: function(value, index, values) {
return value + '%';
}
}
}]
}
}
});";
$html .= Display::tag('script', $jsStr);
return $html;
}
/**
* Returns a thumbnail of the function generate_exercise_result_graph.
*
* @param array $attempts
*/
public static function generate_exercise_result_thumbnail_graph($attempts)
{
//$exercise_title = $attempts['title'];
$attempts = $attempts['data'];
$my_exercise_result_array = $exercise_result = [];
if (empty($attempts)) {
return null;
}
foreach ($attempts as $attempt) {
if (api_get_user_id() == $attempt['exe_user_id']) {
if ($attempt['max_score'] != 0) {
$my_exercise_result_array[] = $attempt['score'] / $attempt['max_score'];
}
} else {
if ($attempt['max_score'] != 0) {
$exercise_result[] = $attempt['score'] / $attempt['max_score'];
}
}
}
// Getting best result
rsort($my_exercise_result_array);
$my_exercise_result = 0;
if (isset($my_exercise_result_array[0])) {
$my_exercise_result = $my_exercise_result_array[0] * 100;
}
$max = 100;
$pieces = 5;
$part = round($max / $pieces);
$x_axis = [];
$final_array = [];
$my_final_array = [];
for ($i = 1; $i <= $pieces; $i++) {
$sum = 1;
if ($i == 1) {
$sum = 0;
}
$min = ($i - 1) * $part + $sum;
$max = ($i) * $part;
$x_axis[] = $min." - ".$max;
$count = 0;
foreach ($exercise_result as $result) {
$percentage = $result * 100;
//echo $percentage.' - '.$min.' - '.$max."
";
if ($percentage >= $min && $percentage <= $max) {
//echo ' is > ';
$count++;
}
}
//echo '
';
$final_array[] = $count;
if ($my_exercise_result >= $min && $my_exercise_result <= $max) {
$my_final_array[] = 1;
} else {
$my_final_array[] = 0;
}
}
// Fix to remove the data of the user with my data
for ($i = 0; $i <= count($my_final_array); $i++) {
if (!empty($my_final_array[$i])) {
$my_final_array[$i] = $final_array[$i] + 1; //Add my result
$final_array[$i] = 0;
}
}
// Dataset definition
$dataSet = new pData();
$dataSet->addPoints($final_array, 'Serie1');
$dataSet->addPoints($my_final_array, 'Serie2');
$dataSet->normalize(100, "%");
$dataSet->loadPalette(api_get_path(SYS_CODE_PATH).'palettes/pchart/default.color', true);
// Cache definition
$cachePath = api_get_path(SYS_ARCHIVE_PATH);
$myCache = new pCache(['CacheFolder' => substr($cachePath, 0, strlen($cachePath) - 1)]);
$chartHash = $myCache->getHash($dataSet);
if ($myCache->isInCache($chartHash)) {
$imgPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
$myCache->saveFromCache($chartHash, $imgPath);
$imgPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
} else {
/* Create the pChart object */
$widthSize = 80;
$heightSize = 35;
$fontSize = 2;
$myPicture = new pImage($widthSize, $heightSize, $dataSet);
/* Turn of Antialiasing */
$myPicture->Antialias = false;
/* Add a border to the picture */
$myPicture->drawRectangle(
0,
0,
$widthSize - 1,
$heightSize - 1,
['R' => 0, 'G' => 0, 'B' => 0]
);
/* Set the default font */
$myPicture->setFontProperties(
[
'FontName' => api_get_path(
SYS_FONTS_PATH
).'opensans/OpenSans-Regular.ttf',
'FontSize' => $fontSize,
]
);
/* Do not write the chart title */
/* Define the chart area */
$myPicture->setGraphArea(5, 5, $widthSize - 5, $heightSize - 5);
/* Draw the scale */
$scaleSettings = [
'GridR' => 200,
'GridG' => 200,
'GridB' => 200,
'DrawSubTicks' => true,
'CycleBackground' => true,
'Mode' => SCALE_MODE_MANUAL,
'ManualScale' => [
'0' => [
'Min' => 0,
'Max' => 100,
],
],
];
$myPicture->drawScale($scaleSettings);
/* Turn on shadow computing */
$myPicture->setShadow(
true,
[
'X' => 1,
'Y' => 1,
'R' => 0,
'G' => 0,
'B' => 0,
'Alpha' => 10,
]
);
/* Draw the chart */
$myPicture->setShadow(
true,
[
'X' => 1,
'Y' => 1,
'R' => 0,
'G' => 0,
'B' => 0,
'Alpha' => 10,
]
);
$settings = [
'DisplayValues' => true,
'DisplaySize' => $fontSize,
'DisplayR' => 0,
'DisplayG' => 0,
'DisplayB' => 0,
'DisplayOrientation' => ORIENTATION_HORIZONTAL,
'Gradient' => false,
'Surrounding' => 5,
'InnerSurrounding' => 5,
];
$myPicture->drawStackedBarChart($settings);
/* Save and write in cache */
$myCache->writeToCache($chartHash, $myPicture);
$imgPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
$myCache->saveFromCache($chartHash, $imgPath);
$imgPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
}
return $imgPath;
}
/**
* Generates a big graph with the number of best results.
*
* @param array
*/
public static function generate_exercise_result_graph($attempts)
{
$exercise_title = strip_tags($attempts['title']);
$attempts = $attempts['data'];
$my_exercise_result_array = $exercise_result = [];
if (empty($attempts)) {
return null;
}
foreach ($attempts as $attempt) {
if (api_get_user_id() == $attempt['exe_user_id']) {
if ($attempt['max_score'] != 0) {
$my_exercise_result_array[] = $attempt['score'] / $attempt['max_score'];
}
} else {
if ($attempt['max_score'] != 0) {
$exercise_result[] = $attempt['score'] / $attempt['max_score'];
}
}
}
//Getting best result
rsort($my_exercise_result_array);
$my_exercise_result = 0;
if (isset($my_exercise_result_array[0])) {
$my_exercise_result = $my_exercise_result_array[0] * 100;
}
$max = 100;
$pieces = 5;
$part = round($max / $pieces);
$x_axis = [];
$final_array = [];
$my_final_array = [];
for ($i = 1; $i <= $pieces; $i++) {
$sum = 1;
if ($i == 1) {
$sum = 0;
}
$min = ($i - 1) * $part + $sum;
$max = ($i) * $part;
$x_axis[] = $min." - ".$max;
$count = 0;
foreach ($exercise_result as $result) {
$percentage = $result * 100;
if ($percentage >= $min && $percentage <= $max) {
$count++;
}
}
$final_array[] = $count;
if ($my_exercise_result >= $min && $my_exercise_result <= $max) {
$my_final_array[] = 1;
} else {
$my_final_array[] = 0;
}
}
//Fix to remove the data of the user with my data
for ($i = 0; $i <= count($my_final_array); $i++) {
if (!empty($my_final_array[$i])) {
$my_final_array[$i] = $final_array[$i] + 1; //Add my result
$final_array[$i] = 0;
}
}
// Dataset definition
$dataSet = new pData();
$dataSet->addPoints($final_array, 'Serie1');
$dataSet->addPoints($my_final_array, 'Serie2');
$dataSet->addPoints($x_axis, 'Serie3');
$dataSet->setSerieDescription('Serie1', get_lang('Score'));
$dataSet->setSerieDescription('Serie2', get_lang('My results'));
$dataSet->setAbscissa('Serie3');
$dataSet->setXAxisName(get_lang('Score'));
$dataSet->normalize(100, "%");
$dataSet->loadPalette(api_get_path(SYS_CODE_PATH).'palettes/pchart/default.color', true);
// Cache definition
$cachePath = api_get_path(SYS_ARCHIVE_PATH);
$myCache = new pCache(['CacheFolder' => substr($cachePath, 0, strlen($cachePath) - 1)]);
$chartHash = $myCache->getHash($dataSet);
if ($myCache->isInCache($chartHash)) {
$imgPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
$myCache->saveFromCache($chartHash, $imgPath);
$imgPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
} else {
/* Create the pChart object */
$widthSize = 480;
$heightSize = 250;
$fontSize = 8;
$myPicture = new pImage($widthSize, $heightSize, $dataSet);
/* Turn of Antialiasing */
$myPicture->Antialias = false;
/* Add a border to the picture */
$myPicture->drawRectangle(0, 0, $widthSize - 1, $heightSize - 1, ['R' => 0, 'G' => 0, 'B' => 0]);
/* Set the default font */
$myPicture->setFontProperties(
[
'FontName' => api_get_path(
SYS_FONTS_PATH
).'opensans/OpenSans-Regular.ttf',
'FontSize' => 10,
]
);
/* Write the chart title */
$myPicture->drawText(
250,
20,
$exercise_title,
[
'FontSize' => 12,
'Align' => TEXT_ALIGN_BOTTOMMIDDLE,
]
);
/* Define the chart area */
$myPicture->setGraphArea(50, 50, $widthSize - 20, $heightSize - 30);
/* Draw the scale */
$scaleSettings = [
'GridR' => 200,
'GridG' => 200,
'GridB' => 200,
'DrawSubTicks' => true,
'CycleBackground' => true,
'Mode' => SCALE_MODE_MANUAL,
'ManualScale' => [
'0' => [
'Min' => 0,
'Max' => 100,
],
],
];
$myPicture->drawScale($scaleSettings);
/* Turn on shadow computing */
$myPicture->setShadow(true, ['X' => 1, 'Y' => 1, 'R' => 0, 'G' => 0, 'B' => 0, 'Alpha' => 10]);
/* Draw the chart */
$myPicture->setShadow(true, ['X' => 1, 'Y' => 1, 'R' => 0, 'G' => 0, 'B' => 0, 'Alpha' => 10]);
$settings = [
'DisplayValues' => true,
'DisplaySize' => $fontSize,
'DisplayR' => 0,
'DisplayG' => 0,
'DisplayB' => 0,
'DisplayOrientation' => ORIENTATION_HORIZONTAL,
'Gradient' => false,
'Surrounding' => 30,
'InnerSurrounding' => 25,
];
$myPicture->drawStackedBarChart($settings);
$legendSettings = [
'Mode' => LEGEND_HORIZONTAL,
'Style' => LEGEND_NOBORDER,
];
$myPicture->drawLegend($widthSize / 2, 30, $legendSettings);
/* Write and save into cache */
$myCache->writeToCache($chartHash, $myPicture);
$imgPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
$myCache->saveFromCache($chartHash, $imgPath);
$imgPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
}
return $imgPath;
}
/**
* @param FormValidator $form
*
* @return mixed
*/
public static function setUserSearchForm($form)
{
global $_configuration;
$form->addElement('text', 'keyword', get_lang('Keyword'));
$form->addElement(
'select',
'active',
get_lang('Status'),
[1 => get_lang('active'), 0 => get_lang('inactive')]
);
$form->addElement(
'select',
'sleeping_days',
get_lang('inactiveDays'),
[
'',
1 => 1,
5 => 5,
15 => 15,
30 => 30,
60 => 60,
90 => 90,
120 => 120,
]
);
$form->addButtonSearch(get_lang('Search'));
return $form;
}
/**
* Get the progress of a exercise.
*
* @param int $sessionId The session ID (session.id)
* @param int $courseId The course ID (course.id)
* @param int $exerciseId The quiz ID (c_quiz.id)
* @param string $date_from
* @param string $date_to
* @param array $options An array of options you can pass to the query (limit, where and order)
*
* @return array An array with the data of exercise(s) progress
*/
public static function get_exercise_progress(
$sessionId = 0,
$courseId = 0,
$exerciseId = 0,
$date_from = null,
$date_to = null,
$options = []
) {
$sessionId = intval($sessionId);
$courseId = intval($courseId);
$exerciseId = intval($exerciseId);
$date_from = Database::escape_string($date_from);
$date_to = Database::escape_string($date_to);
/*
* This method gets the data by blocks, as previous attempts at one single
* query made it take ages. The logic of query division is described below
*/
// Get tables names
$tuser = Database::get_main_table(TABLE_MAIN_USER);
$tquiz = Database::get_course_table(TABLE_QUIZ_TEST);
$tquiz_answer = Database::get_course_table(TABLE_QUIZ_ANSWER);
$tquiz_question = Database::get_course_table(TABLE_QUIZ_QUESTION);
$tquiz_rel_question = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
$ttrack_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
$ttrack_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$sessions = [];
$courses = [];
// if session ID is defined but course ID is empty, get all the courses
// from that session
if (!empty($sessionId) && empty($courseId)) {
// $courses is an array of course int id as index and course details hash as value
$courses = SessionManager::get_course_list_by_session_id($sessionId);
$sessions[$sessionId] = api_get_session_info($sessionId);
} elseif (empty($sessionId) && !empty($courseId)) {
// if, to the contrary, course is defined but not sessions, get the sessions that include this course
// $sessions is an array like: [0] => ('id' => 3, 'name' => 'Session 35'), [1] => () etc;
$course = api_get_course_info_by_id($courseId);
$sessionsTemp = SessionManager::get_session_by_course($courseId);
$courses[$courseId] = $course;
foreach ($sessionsTemp as $sessionItem) {
$sessions[$sessionItem['id']] = $sessionItem;
}
} elseif (!empty($courseId) && !empty($sessionId)) {
//none is empty
$course = api_get_course_info_by_id($courseId);
$courses[$courseId] = [$course['code']];
$courses[$courseId]['code'] = $course['code'];
$sessions[$sessionId] = api_get_session_info($sessionId);
} else {
//both are empty, not enough data, return an empty array
return [];
}
// Now we have two arrays of courses and sessions with enough data to proceed
// If no course could be found, we shouldn't return anything.
// Course sessions can be empty (then we only return the pure-course-context results)
if (count($courses) < 1) {
return [];
}
$data = [];
// The following loop is less expensive than what it seems:
// - if a course was defined, then we only loop through sessions
// - if a session was defined, then we only loop through courses
// - if a session and a course were defined, then we only loop once
foreach ($courses as $courseIdx => $courseData) {
$where = '';
$whereParams = [];
$whereSessionParams = '';
if (count($sessions > 0)) {
foreach ($sessions as $sessionIdx => $sessionData) {
if (!empty($sessionIdx)) {
$whereSessionParams .= $sessionIdx.',';
}
}
$whereSessionParams = substr($whereSessionParams, 0, -1);
}
if (!empty($exerciseId)) {
$exerciseId = intval($exerciseId);
$where .= ' AND q.id = %d ';
$whereParams[] = $exerciseId;
}
/*
* This feature has been disabled for now, to avoid having to
* join two very large tables
//2 = show all questions (wrong and correct answered)
if ($answer != 2) {
$answer = intval($answer);
//$where .= ' AND qa.correct = %d';
//$whereParams[] = $answer;
}
*/
$limit = '';
if (!empty($options['limit'])) {
$limit = " LIMIT ".$options['limit'];
}
if (!empty($options['where'])) {
$where .= ' AND '.Database::escape_string($options['where']);
}
$order = '';
if (!empty($options['order'])) {
$order = " ORDER BY ".$options['order'];
}
if (!empty($date_to) && !empty($date_from)) {
$where .= sprintf(" AND (te.start_date BETWEEN '%s 00:00:00' AND '%s 23:59:59')", $date_from, $date_to);
}
$sql = "SELECT
te.session_id,
ta.id as attempt_id,
te.exe_user_id as user_id,
te.exe_id as exercise_attempt_id,
ta.question_id,
ta.answer as answer_id,
ta.tms as time,
te.exe_exo_id as quiz_id,
CONCAT ('c', q.c_id, '_e', q.id) as exercise_id,
q.title as quiz_title,
qq.description as description
FROM $ttrack_exercises te
INNER JOIN $ttrack_attempt ta
ON ta.exe_id = te.exe_id
INNER JOIN $tquiz q
ON q.id = te.exe_exo_id
INNER JOIN $tquiz_rel_question rq
ON rq.exercice_id = q.id AND rq.c_id = q.c_id
INNER JOIN $tquiz_question qq
ON
qq.id = rq.question_id AND
qq.c_id = rq.c_id AND
qq.position = rq.question_order AND
ta.question_id = rq.question_id
WHERE
te.c_id = $courseIdx ".(empty($whereSessionParams) ? '' : "AND te.session_id IN ($whereSessionParams)")."
AND q.c_id = $courseIdx
$where $order $limit";
$sql_query = vsprintf($sql, $whereParams);
// Now browse through the results and get the data
$rs = Database::query($sql_query);
$userIds = [];
$questionIds = [];
$answerIds = [];
while ($row = Database::fetch_array($rs)) {
//only show if exercise is visible
if (api_get_item_visibility($courseData, 'quiz', $row['exercise_id'])) {
$userIds[$row['user_id']] = $row['user_id'];
$questionIds[$row['question_id']] = $row['question_id'];
$answerIds[$row['question_id']][$row['answer_id']] = $row['answer_id'];
$row['session'] = $sessions[$row['session_id']];
$data[] = $row;
}
}
// Now fill questions data. Query all questions and answers for this test to avoid
$sqlQuestions = "SELECT tq.c_id, tq.id as question_id, tq.question, tqa.id_auto,
tqa.answer, tqa.correct, tq.position, tqa.id_auto as answer_id
FROM $tquiz_question tq, $tquiz_answer tqa
WHERE
tqa.question_id = tq.id AND
tqa.c_id = tq.c_id AND
tq.c_id = $courseIdx AND
tq.id IN (".implode(',', $questionIds).")";
$resQuestions = Database::query($sqlQuestions);
$answer = [];
$question = [];
while ($rowQuestion = Database::fetch_assoc($resQuestions)) {
$questionId = $rowQuestion['question_id'];
$answerId = $rowQuestion['answer_id'];
$answer[$questionId][$answerId] = [
'position' => $rowQuestion['position'],
'question' => $rowQuestion['question'],
'answer' => $rowQuestion['answer'],
'correct' => $rowQuestion['correct'],
];
$question[$questionId]['question'] = $rowQuestion['question'];
}
// Now fill users data
$sqlUsers = "SELECT user_id, username, lastname, firstname
FROM $tuser
WHERE user_id IN (".implode(',', $userIds).")";
$resUsers = Database::query($sqlUsers);
while ($rowUser = Database::fetch_assoc($resUsers)) {
$users[$rowUser['user_id']] = $rowUser;
}
foreach ($data as $id => $row) {
$rowQuestId = $row['question_id'];
$rowAnsId = $row['answer_id'];
$data[$id]['session'] = $sessions[$row['session_id']]['name'];
$data[$id]['firstname'] = $users[$row['user_id']]['firstname'];
$data[$id]['lastname'] = $users[$row['user_id']]['lastname'];
$data[$id]['username'] = $users[$row['user_id']]['username'];
$data[$id]['answer'] = $answer[$rowQuestId][$rowAnsId]['answer'];
$data[$id]['correct'] = ($answer[$rowQuestId][$rowAnsId]['correct'] == 0 ? get_lang('No') : get_lang('Yes'));
$data[$id]['question'] = $question[$rowQuestId]['question'];
$data[$id]['question_id'] = $rowQuestId;
$data[$id]['description'] = $row['description'];
}
/*
The minimum expected array structure at the end is:
attempt_id,
session name,
exercise_id,
quiz_title,
username,
lastname,
firstname,
time,
question_id,
question,
answer,
*/
}
return $data;
}
/**
* @param User $user
* @param string $tool
* @param Course $course
* @param sessionEntity |null $session Optional
*
* @throws \Doctrine\ORM\NonUniqueResultException
*
* @return \Chamilo\CourseBundle\Entity\CStudentPublication|null
*/
public static function getLastStudentPublication(
User $user,
$tool,
Course $course,
SessionEntity $session = null
) {
return Database::getManager()
->createQuery("
SELECT csp
FROM ChamiloCourseBundle:CStudentPublication csp
INNER JOIN ChamiloCourseBundle:CItemProperty cip
WITH (
csp.iid = cip.ref AND
csp.session = cip.session AND
csp.cId = cip.course AND
csp.userId = cip.lasteditUserId
)
WHERE
cip.session = :session AND cip.course = :course AND cip.lasteditUserId = :user AND cip.tool = :tool
ORDER BY csp.iid DESC
")
->setMaxResults(1)
->setParameters([
'tool' => $tool,
'session' => $session,
'course' => $course,
'user' => $user,
])
->getOneOrNullResult();
}
/**
* Get the HTML code for show a block with the achieved user skill on course/session.
*
* @param int $userId
* @param int $courseId
* @param int $sessionId
* @param bool $forceView forces the view of the skills, not checking for deeper access
*
* @return string
*/
public static function displayUserSkills($userId, $courseId = 0, $sessionId = 0, $forceView = false)
{
if (Skill::isAllowed($userId, false) === false && $forceView == false) {
return '';
}
$skillManager = new Skill();
$html = $skillManager->getUserSkillsTable($userId, $courseId, $sessionId)['table'];
return $html;
}
/**
* @param int $userId
* @param int $courseId
* @param int $sessionId
*
* @return array
*/
public static function getCalculateTime($userId, $courseId, $sessionId)
{
$userId = (int) $userId;
$courseId = (int) $courseId;
$sessionId = (int) $sessionId;
if (empty($userId) || empty($courseId)) {
return [];
}
$sql = "SELECT MIN(date_reg) min, MAX(date_reg) max
FROM track_e_access_complete
WHERE
user_id = $userId AND
c_id = $courseId AND
session_id = $sessionId AND
login_as = 0
ORDER BY date_reg ASC
LIMIT 1";
$rs = Database::query($sql);
$firstConnection = '';
$lastConnection = '';
if (Database::num_rows($rs) > 0) {
$value = Database::fetch_array($rs);
$firstConnection = $value['min'];
$lastConnection = $value['max'];
}
$sql = "SELECT * FROM track_e_access_complete
WHERE
user_id = $userId AND
c_id = $courseId AND
session_id = $sessionId AND
login_as = 0 AND current_id <> 0";
$res = Database::query($sql);
$reg = [];
while ($row = Database::fetch_assoc($res)) {
$reg[$row['id']] = $row;
$reg[$row['id']]['date_reg'] = strtotime($row['date_reg']);
}
$sessions = [];
foreach ($reg as $key => $value) {
$sessions[$value['current_id']][$value['tool']][] = $value;
}
$quizTime = 0;
$result = [];
$totalTime = 0;
$lpTime = [];
$lpDetailTime = [];
foreach ($sessions as $listPerTool) {
$min = 0;
$max = 0;
$sessionDiff = 0;
foreach ($listPerTool as $tool => $results) {
$beforeItem = [];
foreach ($results as $item) {
if (empty($beforeItem)) {
$beforeItem = $item;
continue;
}
$partialTime = $item['date_reg'] - $beforeItem['date_reg'];
if ($item['date_reg'] > $max) {
$max = $item['date_reg'];
}
if (empty($min)) {
$min = $item['date_reg'];
}
if ($item['date_reg'] < $min) {
$min = $item['date_reg'];
}
switch ($tool) {
case TOOL_AGENDA:
case TOOL_FORUM:
case TOOL_ANNOUNCEMENT:
case TOOL_COURSE_DESCRIPTION:
case TOOL_SURVEY:
case TOOL_NOTEBOOK:
case TOOL_GRADEBOOK:
case TOOL_DROPBOX:
case 'Reports':
case 'Videoconference':
case TOOL_LINK:
case TOOL_CHAT:
case 'course-main':
if (!isset($result[$tool])) {
$result[$tool] = 0;
}
$result[$tool] += $partialTime;
break;
case TOOL_LEARNPATH:
if ($item['tool_id'] != $beforeItem['tool_id']) {
break;
}
if (!isset($lpTime[$item['tool_id']])) {
$lpTime[$item['tool_id']] = 0;
}
// Saving the attempt id "action_details"
if (!empty($item['tool_id'])) {
if (!empty($item['tool_id_detail'])) {
if (!isset($lpDetailTime[$item['tool_id']][$item['tool_id_detail']][$item['action_details']])) {
$lpDetailTime[$item['tool_id']][$item['tool_id_detail']][$item['action_details']] = 0;
}
$lpDetailTime[$item['tool_id']][$item['tool_id_detail']][$item['action_details']] += $partialTime;
}
$lpTime[$item['tool_id']] += $partialTime;
}
break;
case TOOL_QUIZ:
if (!isset($lpTime[$item['action_details']])) {
$lpTime[$item['action_details']] = 0;
}
if ($beforeItem['action'] === 'learnpath_id') {
$lpTime[$item['action_details']] += $partialTime;
} else {
$quizTime += $partialTime;
}
break;
}
$beforeItem = $item;
}
}
$sessionDiff += $max - $min;
if ($sessionDiff > 0) {
$totalTime += $sessionDiff;
}
}
$totalLp = 0;
foreach ($lpTime as $value) {
$totalLp += $value;
}
$result['learnpath_detailed'] = $lpDetailTime;
$result[TOOL_LEARNPATH] = $lpTime;
$result[TOOL_QUIZ] = $quizTime;
$result['total_learnpath'] = $totalLp;
$result['total_time'] = $totalTime;
$result['number_connections'] = count($sessions);
$result['first'] = $firstConnection;
$result['last'] = $lastConnection;
return $result;
}
/**
* Gets the IP of a given user, using the last login before the given date.
*
* @param int User ID
* @param string Datetime
* @param bool Whether to return the IP as a link or just as an IP
* @param string If defined and return_as_link if true, will be used as the text to be shown as the link
*
* @return string IP address (or false on error)
* @assert (0,0) === false
*/
public static function get_ip_from_user_event(
$user_id,
$event_date,
$return_as_link = false,
$body_replace = null
) {
if (empty($user_id) || empty($event_date)) {
return false;
}
$user_id = intval($user_id);
$event_date = Database::escape_string($event_date);
$table_login = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
$sql_ip = "SELECT login_date, user_ip
FROM $table_login
WHERE login_user_id = $user_id AND login_date < '$event_date'
ORDER BY login_date DESC LIMIT 1";
$ip = '';
$res_ip = Database::query($sql_ip);
if ($res_ip !== false && Database::num_rows($res_ip) > 0) {
$row_ip = Database::fetch_row($res_ip);
if ($return_as_link) {
$ip = Display::url(
(empty($body_replace) ? $row_ip[1] : $body_replace),
'http://www.whatsmyip.org/ip-geo-location/?ip='.$row_ip[1],
['title' => get_lang('Trace IP'), 'target' => '_blank']
);
} else {
$ip = $row_ip[1];
}
}
return $ip;
}
/**
* @param int $userId
* @param array $courseInfo
* @param int $sessionId
*
* @return array
*/
public static function getToolInformation(
$userId,
$courseInfo,
$sessionId = 0
) {
$csvContent = [];
$courseToolInformation = '';
$headerTool = [
[get_lang('Title')],
[get_lang('Created at')],
[get_lang('Updated at')],
];
$headerListForCSV = [];
foreach ($headerTool as $item) {
$headerListForCSV[] = $item[0];
}
$courseForumInformationArray = getForumCreatedByUser(
$userId,
$courseInfo,
$sessionId
);
if (!empty($courseForumInformationArray)) {
$csvContent[] = [];
$csvContent[] = [get_lang('Forums')];
$csvContent[] = $headerListForCSV;
foreach ($courseForumInformationArray as $row) {
$csvContent[] = $row;
}
$courseToolInformation .= Display::page_subheader2(
get_lang('Forums')
);
$courseToolInformation .= Display::return_sortable_table(
$headerTool,
$courseForumInformationArray
);
}
$courseWorkInformationArray = getWorkCreatedByUser(
$userId,
$courseInfo['real_id'],
$sessionId
);
if (!empty($courseWorkInformationArray)) {
$csvContent[] = null;
$csvContent[] = [get_lang('Assignments')];
$csvContent[] = $headerListForCSV;
foreach ($courseWorkInformationArray as $row) {
$csvContent[] = $row;
}
$csvContent[] = null;
$courseToolInformation .= Display::page_subheader2(
get_lang('Assignments')
);
$courseToolInformation .= Display::return_sortable_table(
$headerTool,
$courseWorkInformationArray
);
}
$courseToolInformationTotal = null;
if (!empty($courseToolInformation)) {
$sessionTitle = null;
if (!empty($sessionId)) {
$sessionTitle = ' ('.api_get_session_name($sessionId).')';
}
$courseToolInformationTotal .= Display::page_subheader(
$courseInfo['title'].$sessionTitle
);
$courseToolInformationTotal .= $courseToolInformation;
}
return [
'array' => $csvContent,
'html' => $courseToolInformationTotal,
];
}
/**
* @param int $sessionId
*
* @return bool
*/
public static function isAllowToTrack($sessionId)
{
$allow =
api_is_platform_admin(true, true) ||
SessionManager::user_is_general_coach(api_get_user_id(), $sessionId) ||
api_is_allowed_to_create_course() ||
api_is_course_tutor() ||
api_is_course_admin();
return $allow;
}
}
/**
* @todo move into a proper file
*
* @package chamilo.tracking
*/
class TrackingCourseLog
{
/**
* @return mixed
*/
public static function count_item_resources()
{
$session_id = api_get_session_id();
$course_id = api_get_course_int_id();
$table_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
$table_user = Database::get_main_table(TABLE_MAIN_USER);
$sql = "SELECT count(tool) AS total_number_of_items
FROM $table_item_property track_resource, $table_user user
WHERE
track_resource.c_id = $course_id AND
track_resource.insert_user_id = user.user_id AND
session_id ".(empty($session_id) ? ' IS NULL ' : " = $session_id ");
if (isset($_GET['keyword'])) {
$keyword = Database::escape_string(trim($_GET['keyword']));
$sql .= " AND (
user.username LIKE '%".$keyword."%' OR
lastedit_type LIKE '%".$keyword."%' OR
tool LIKE '%".$keyword."%'
)";
}
$sql .= " AND tool IN (
'document',
'learnpath',
'quiz',
'glossary',
'link',
'course_description',
'announcement',
'thematic',
'thematic_advance',
'thematic_plan'
)";
$res = Database::query($sql);
$obj = Database::fetch_object($res);
return $obj->total_number_of_items;
}
/**
* @param $from
* @param $number_of_items
* @param $column
* @param $direction
*
* @return array
*/
public static function get_item_resources_data($from, $number_of_items, $column, $direction)
{
$session_id = api_get_session_id();
$course_id = api_get_course_int_id();
$table_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
$table_user = Database::get_main_table(TABLE_MAIN_USER);
$table_session = Database::get_main_table(TABLE_MAIN_SESSION);
$session_id = intval($session_id);
$sql = "SELECT
tool as col0,
lastedit_type as col1,
ref as ref,
user.username as col3,
insert_date as col6,
visibility as col7,
user.user_id as user_id
FROM $table_item_property track_resource, $table_user user
WHERE
track_resource.c_id = $course_id AND
track_resource.insert_user_id = user.user_id AND
session_id ".(empty($session_id) ? ' IS NULL ' : " = $session_id ");
if (isset($_GET['keyword'])) {
$keyword = Database::escape_string(trim($_GET['keyword']));
$sql .= " AND (
user.username LIKE '%".$keyword."%' OR
lastedit_type LIKE '%".$keyword."%' OR
tool LIKE '%".$keyword."%'
) ";
}
$sql .= " AND tool IN (
'document',
'learnpath',
'quiz',
'glossary',
'link',
'course_description',
'announcement',
'thematic',
'thematic_advance',
'thematic_plan'
)";
if ($column == 0) {
$column = '0';
}
if ($column != '' && $direction != '') {
if ($column != 2 && $column != 4) {
$sql .= " ORDER BY col$column $direction";
}
} else {
$sql .= " ORDER BY col6 DESC ";
}
$from = intval($from);
if ($from) {
$number_of_items = intval($number_of_items);
$sql .= " LIMIT $from, $number_of_items ";
}
$res = Database::query($sql);
$resources = [];
$thematic_tools = ['thematic', 'thematic_advance', 'thematic_plan'];
while ($row = Database::fetch_array($res)) {
$ref = $row['ref'];
$table_name = self::get_tool_name_table($row['col0']);
$table_tool = Database::get_course_table($table_name['table_name']);
$id = $table_name['id_tool'];
$recorset = false;
if (in_array($row['col0'], ['thematic_plan', 'thematic_advance'])) {
$tbl_thematic = Database::get_course_table(TABLE_THEMATIC);
$sql = "SELECT thematic_id FROM $table_tool
WHERE c_id = $course_id AND id = $ref";
$rs_thematic = Database::query($sql);
if (Database::num_rows($rs_thematic)) {
$row_thematic = Database::fetch_array($rs_thematic);
$thematic_id = $row_thematic['thematic_id'];
$sql = "SELECT session.id, session.name, user.username
FROM $tbl_thematic t, $table_session session, $table_user user
WHERE
t.c_id = $course_id AND
t.session_id = session.id AND
session.id_coach = user.user_id AND
t.id = $thematic_id";
$recorset = Database::query($sql);
}
} else {
$sql = "SELECT session.id, session.name, user.username
FROM $table_tool tool, $table_session session, $table_user user
WHERE
tool.c_id = $course_id AND
tool.session_id = session.id AND
session.id_coach = user.user_id AND
tool.$id = $ref";
$recorset = Database::query($sql);
}
if (!empty($recorset)) {
$obj = Database::fetch_object($recorset);
$name_session = '';
$coach_name = '';
if (!empty($obj)) {
$name_session = $obj->name;
$coach_name = $obj->username;
}
$url_tool = api_get_path(WEB_CODE_PATH).$table_name['link_tool'];
$row[0] = '';
if ($row['col6'] != 2) {
if (in_array($row['col0'], $thematic_tools)) {
$exp_thematic_tool = explode('_', $row['col0']);
$thematic_tool_title = '';
if (is_array($exp_thematic_tool)) {
foreach ($exp_thematic_tool as $exp) {
$thematic_tool_title .= api_ucfirst($exp);
}
} else {
$thematic_tool_title = api_ucfirst($row['col0']);
}
$row[0] = ''.get_lang($thematic_tool_title).'';
} else {
$row[0] = ''.get_lang('Tool'.api_ucfirst($row['col0'])).'';
}
} else {
$row[0] = api_ucfirst($row['col0']);
}
$row[1] = get_lang($row[1]);
$row[6] = api_convert_and_format_date($row['col6'], null, date_default_timezone_get());
$row[5] = '';
//@todo Improve this code please
switch ($table_name['table_name']) {
case 'document':
$sql = "SELECT tool.title as title FROM $table_tool tool
WHERE c_id = $course_id AND id = $ref";
$rs_document = Database::query($sql);
$obj_document = Database::fetch_object($rs_document);
if ($obj_document) {
$row[5] = $obj_document->title;
}
break;
case 'announcement':
$sql = "SELECT title FROM $table_tool
WHERE c_id = $course_id AND id = $ref";
$rs_document = Database::query($sql);
$obj_document = Database::fetch_object($rs_document);
if ($obj_document) {
$row[5] = $obj_document->title;
}
break;
case 'glossary':
$sql = "SELECT name FROM $table_tool
WHERE c_id = $course_id AND glossary_id = $ref";
$rs_document = Database::query($sql);
$obj_document = Database::fetch_object($rs_document);
if ($obj_document) {
$row[5] = $obj_document->name;
}
break;
case 'lp':
$sql = "SELECT name
FROM $table_tool WHERE c_id = $course_id AND id = $ref";
$rs_document = Database::query($sql);
$obj_document = Database::fetch_object($rs_document);
$row[5] = $obj_document->name;
break;
case 'quiz':
$sql = "SELECT title FROM $table_tool
WHERE c_id = $course_id AND id = $ref";
$rs_document = Database::query($sql);
$obj_document = Database::fetch_object($rs_document);
if ($obj_document) {
$row[5] = $obj_document->title;
}
break;
case 'course_description':
$sql = "SELECT title FROM $table_tool
WHERE c_id = $course_id AND id = $ref";
$rs_document = Database::query($sql);
$obj_document = Database::fetch_object($rs_document);
if ($obj_document) {
$row[5] = $obj_document->title;
}
break;
case 'thematic':
$rs = Database::query("SELECT title FROM $table_tool WHERE c_id = $course_id AND id = $ref");
if (Database::num_rows($rs) > 0) {
$obj = Database::fetch_object($rs);
if ($obj) {
$row[5] = $obj->title;
}
}
break;
case 'thematic_advance':
$rs = Database::query("SELECT content FROM $table_tool WHERE c_id = $course_id AND id = $ref");
if (Database::num_rows($rs) > 0) {
$obj = Database::fetch_object($rs);
if ($obj) {
$row[5] = $obj->content;
}
}
break;
case 'thematic_plan':
$rs = Database::query("SELECT title FROM $table_tool WHERE c_id = $course_id AND id = $ref");
if (Database::num_rows($rs) > 0) {
$obj = Database::fetch_object($rs);
if ($obj) {
$row[5] = $obj->title;
}
}
break;
default:
break;
}
$row2 = $name_session;
if (!empty($coach_name)) {
$row2 .= '
'.get_lang('Coach').': '.$coach_name;
}
$row[2] = $row2;
if (!empty($row['col3'])) {
$userInfo = api_get_user_info($row['user_id']);
$row['col3'] = Display::url(
$row['col3'],
$userInfo['profile_url']
);
$row[3] = $row['col3'];
$ip = Tracking::get_ip_from_user_event(
$row['user_id'],
$row['col6'],
true
);
if (empty($ip)) {
$ip = get_lang('Unknown');
}
$row[4] = $ip;
}
$resources[] = $row;
}
}
return $resources;
}
/**
* @param string $tool
*
* @return array
*/
public static function get_tool_name_table($tool)
{
switch ($tool) {
case 'document':
$table_name = TABLE_DOCUMENT;
$link_tool = 'document/document.php';
$id_tool = 'id';
break;
case 'learnpath':
$table_name = TABLE_LP_MAIN;
$link_tool = 'lp/lp_controller.php';
$id_tool = 'id';
break;
case 'quiz':
$table_name = TABLE_QUIZ_TEST;
$link_tool = 'exercise/exercise.php';
$id_tool = 'id';
break;
case 'glossary':
$table_name = TABLE_GLOSSARY;
$link_tool = 'glossary/index.php';
$id_tool = 'glossary_id';
break;
case 'link':
$table_name = TABLE_LINK;
$link_tool = 'link/link.php';
$id_tool = 'id';
break;
case 'course_description':
$table_name = TABLE_COURSE_DESCRIPTION;
$link_tool = 'course_description/';
$id_tool = 'id';
break;
case 'announcement':
$table_name = TABLE_ANNOUNCEMENT;
$link_tool = 'announcements/announcements.php';
$id_tool = 'id';
break;
case 'thematic':
$table_name = TABLE_THEMATIC;
$link_tool = 'course_progress/index.php';
$id_tool = 'id';
break;
case 'thematic_advance':
$table_name = TABLE_THEMATIC_ADVANCE;
$link_tool = 'course_progress/index.php';
$id_tool = 'id';
break;
case 'thematic_plan':
$table_name = TABLE_THEMATIC_PLAN;
$link_tool = 'course_progress/index.php';
$id_tool = 'id';
break;
default:
$table_name = $tool;
break;
}
return [
'table_name' => $table_name,
'link_tool' => $link_tool,
'id_tool' => $id_tool,
];
}
/**
* @return string
*/
public static function display_additional_profile_fields()
{
// getting all the extra profile fields that are defined by the platform administrator
$extra_fields = UserManager::get_extra_fields(0, 50, 5, 'ASC');
// creating the form
$return = '';
if ($extra_fields_to_show > 0) {
return $return;
} else {
return '';
}
}
/**
* This function gets all the information of a certrain ($field_id)
* additional profile field for a specific list of users is more efficent
* than get_addtional_profile_information_of_field() function
* It gets the information of all the users so that it can be displayed
* in the sortable table or in the csv or xls export.
*
* @author Julio Montoya
*
* @param int field id
* @param array list of user ids
*
* @return array
*
* @since Nov 2009
*
* @version 1.8.6.2
*/
public static function getAdditionalProfileInformationOfFieldByUser($field_id, $users)
{
// Database table definition
$table_user = Database::get_main_table(TABLE_MAIN_USER);
$table_user_field_values = Database::get_main_table(TABLE_EXTRA_FIELD_VALUES);
$extraField = Database::get_main_table(TABLE_EXTRA_FIELD);
$result_extra_field = UserManager::get_extra_field_information($field_id);
$return = [];
if (!empty($users)) {
if ($result_extra_field['field_type'] == UserManager::USER_FIELD_TYPE_TAG) {
foreach ($users as $user_id) {
$user_result = UserManager::get_user_tags($user_id, $field_id);
$tag_list = [];
foreach ($user_result as $item) {
$tag_list[] = $item['tag'];
}
$return[$user_id][] = implode(', ', $tag_list);
}
} else {
$new_user_array = [];
foreach ($users as $user_id) {
$new_user_array[] = "'".$user_id."'";
}
$users = implode(',', $new_user_array);
$extraFieldType = EntityExtraField::USER_FIELD_TYPE;
// Selecting only the necessary information NOT ALL the user list
$sql = "SELECT user.user_id, v.value
FROM $table_user user
INNER JOIN $table_user_field_values v
ON (user.user_id = v.item_id)
INNER JOIN $extraField f
ON (f.id = v.field_id)
WHERE
f.extra_field_type = $extraFieldType AND
v.field_id=".intval($field_id)." AND
user.user_id IN ($users)";
$result = Database::query($sql);
while ($row = Database::fetch_array($result)) {
// get option value for field type double select by id
if (!empty($row['value'])) {
if ($result_extra_field['field_type'] ==
ExtraField::FIELD_TYPE_DOUBLE_SELECT
) {
$id_double_select = explode(';', $row['value']);
if (is_array($id_double_select)) {
$value1 = $result_extra_field['options'][$id_double_select[0]]['option_value'];
$value2 = $result_extra_field['options'][$id_double_select[1]]['option_value'];
$row['value'] = ($value1.';'.$value2);
}
}
if ($result_extra_field['field_type'] == ExtraField::FIELD_TYPE_SELECT_WITH_TEXT_FIELD) {
$parsedValue = explode('::', $row['value']);
if ($parsedValue) {
$value1 = $result_extra_field['options'][$parsedValue[0]]['display_text'];
$value2 = $parsedValue[1];
$row['value'] = "$value1: $value2";
}
}
if ($result_extra_field['field_type'] == ExtraField::FIELD_TYPE_TRIPLE_SELECT) {
list($level1, $level2, $level3) = explode(';', $row['value']);
$row['value'] = $result_extra_field['options'][$level1]['display_text'].' / ';
$row['value'] .= $result_extra_field['options'][$level2]['display_text'].' / ';
$row['value'] .= $result_extra_field['options'][$level3]['display_text'];
}
}
// get other value from extra field
$return[$row['user_id']][] = $row['value'];
}
}
}
return $return;
}
/**
* count the number of students in this course (used for SortableTable)
* Deprecated.
*/
public function count_student_in_course()
{
global $nbStudents;
return $nbStudents;
}
public function sort_users($a, $b)
{
$tracking = Session::read('tracking_column');
return strcmp(
trim(api_strtolower($a[$tracking])),
trim(api_strtolower($b[$tracking]))
);
}
public function sort_users_desc($a, $b)
{
$tracking = Session::read('tracking_column');
return strcmp(
trim(api_strtolower($b[$tracking])),
trim(api_strtolower($a[$tracking]))
);
}
/**
* Get number of users for sortable with pagination.
*
* @return int
*/
public static function get_number_of_users()
{
global $user_ids;
return count($user_ids);
}
/**
* Get data for users list in sortable with pagination.
*
* @param $from
* @param $number_of_items
* @param $column
* @param $direction
* @param $includeInvitedUsers boolean Whether include the invited users
*
* @return array
*/
public static function get_user_data(
$from,
$number_of_items,
$column,
$direction,
$includeInvitedUsers = false
) {
global $user_ids, $course_code, $export_csv, $session_id;
$csv_content = [];
$course_code = Database::escape_string($course_code);
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$access_url_id = api_get_current_access_url_id();
// get all users data from a course for sortable with limit
if (is_array($user_ids)) {
$user_ids = array_map('intval', $user_ids);
$condition_user = " WHERE user.user_id IN (".implode(',', $user_ids).") ";
} else {
$user_ids = (int) $user_ids;
$condition_user = " WHERE user.user_id = $user_ids ";
}
if (!empty($_GET['user_keyword'])) {
$keyword = trim(Database::escape_string($_GET['user_keyword']));
$condition_user .= " AND (
user.firstname LIKE '%".$keyword."%' OR
user.lastname LIKE '%".$keyword."%' OR
user.username LIKE '%".$keyword."%' OR
user.email LIKE '%".$keyword."%'
) ";
}
$url_table = null;
$url_condition = null;
if (api_is_multiple_url_enabled()) {
$url_table = ", $tbl_url_rel_user as url_users";
$url_condition = " AND user.user_id = url_users.user_id AND access_url_id = '$access_url_id'";
}
$invitedUsersCondition = '';
if (!$includeInvitedUsers) {
$invitedUsersCondition = " AND user.status != ".INVITEE;
}
$sql = "SELECT user.user_id as user_id,
user.official_code as col0,
user.lastname as col1,
user.firstname as col2,
user.username as col3
FROM $tbl_user as user $url_table
$condition_user $url_condition $invitedUsersCondition";
if (!in_array($direction, ['ASC', 'DESC'])) {
$direction = 'ASC';
}
$column = (int) $column;
$from = (int) $from;
$number_of_items = (int) $number_of_items;
$sql .= " ORDER BY col$column $direction ";
$sql .= " LIMIT $from, $number_of_items";
$res = Database::query($sql);
$users = [];
$course_info = api_get_course_info($course_code);
$total_surveys = 0;
$total_exercises = ExerciseLib::get_all_exercises(
$course_info,
$session_id,
false,
null,
false,
3
);
if (empty($session_id)) {
$survey_user_list = [];
$survey_list = SurveyManager::get_surveys($course_code, $session_id);
$total_surveys = count($survey_list);
foreach ($survey_list as $survey) {
$user_list = SurveyManager::get_people_who_filled_survey(
$survey['survey_id'],
false,
$course_info['real_id']
);
foreach ($user_list as $user_id) {
isset($survey_user_list[$user_id]) ? $survey_user_list[$user_id]++ : $survey_user_list[$user_id] = 1;
}
}
}
$courseInfo = api_get_course_info($course_code);
$courseId = $courseInfo['real_id'];
$urlBase = api_get_path(WEB_CODE_PATH).'mySpace/myStudents.php?details=true&cidReq='.$course_code.
'&course='.$course_code.'&origin=tracking_course&id_session='.$session_id;
$sortByFirstName = api_sort_by_first_name();
while ($user = Database::fetch_array($res, 'ASSOC')) {
$user['official_code'] = $user['col0'];
$user['username'] = $user['col3'];
$user['time'] = api_time_to_hms(
Tracking::get_time_spent_on_the_course(
$user['user_id'],
$courseId,
$session_id
)
);
$avg_student_score = Tracking::get_avg_student_score(
$user['user_id'],
$course_code,
[],
$session_id
);
$avg_student_progress = Tracking::get_avg_student_progress(
$user['user_id'],
$course_code,
[],
$session_id
);
if (empty($avg_student_progress)) {
$avg_student_progress = 0;
}
$user['average_progress'] = $avg_student_progress.'%';
$total_user_exercise = Tracking::get_exercise_student_progress(
$total_exercises,
$user['user_id'],
$courseId,
$session_id
);
$user['exercise_progress'] = $total_user_exercise;
$total_user_exercise = Tracking::get_exercise_student_average_best_attempt(
$total_exercises,
$user['user_id'],
$courseId,
$session_id
);
$user['exercise_average_best_attempt'] = $total_user_exercise;
if (is_numeric($avg_student_score)) {
$user['student_score'] = $avg_student_score.'%';
} else {
$user['student_score'] = $avg_student_score;
}
$user['count_assignments'] = Tracking::count_student_assignments(
$user['user_id'],
$course_code,
$session_id
);
$user['count_messages'] = Tracking::count_student_messages(
$user['user_id'],
$course_code,
$session_id
);
$user['first_connection'] = Tracking::get_first_connection_date_on_the_course(
$user['user_id'],
$courseId,
$session_id,
$export_csv === false
);
$user['last_connection'] = Tracking::get_last_connection_date_on_the_course(
$user['user_id'],
$courseInfo,
$session_id,
$export_csv === false
);
if ($export_csv) {
$user['first_connection'] = api_get_local_time($user['first_connection']);
$user['last_connection'] = api_get_local_time($user['last_connection']);
}
if (empty($session_id)) {
$user['survey'] = (isset($survey_user_list[$user['user_id']]) ? $survey_user_list[$user['user_id']] : 0).' / '.$total_surveys;
}
$url = $urlBase.'&student='.$user['user_id'];
$user['link'] = '
'.Display::return_icon('2rightarrow.png', get_lang('Details')).'
';
// store columns in array $users
$user_row = [];
$user_row['official_code'] = $user['official_code']; //0
if ($sortByFirstName) {
$user_row['firstname'] = $user['col2'];
$user_row['lastname'] = $user['col1'];
} else {
$user_row['lastname'] = $user['col1'];
$user_row['firstname'] = $user['col2'];
}
$user_row['username'] = $user['username'];
$user_row['time'] = $user['time'];
$user_row['average_progress'] = $user['average_progress'];
$user_row['exercise_progress'] = $user['exercise_progress'];
$user_row['exercise_average_best_attempt'] = $user['exercise_average_best_attempt'];
$user_row['student_score'] = $user['student_score'];
$user_row['count_assignments'] = $user['count_assignments'];
$user_row['count_messages'] = $user['count_messages'];
$userGroupManager = new UserGroup();
$user_row['classes'] = $userGroupManager->getLabelsFromNameList($user['user_id'], UserGroup::NORMAL_CLASS);
if (empty($session_id)) {
$user_row['survey'] = $user['survey'];
}
$user_row['first_connection'] = $user['first_connection'];
$user_row['last_connection'] = $user['last_connection'];
// we need to display an additional profile field
if (isset($_GET['additional_profile_field'])) {
$data = Session::read('additional_user_profile_info');
$extraFieldInfo = Session::read('extra_field_info');
foreach ($_GET['additional_profile_field'] as $fieldId) {
if (isset($data[$fieldId]) && isset($data[$fieldId][$user['user_id']])) {
if (is_array($data[$fieldId][$user['user_id']])) {
$user_row[$extraFieldInfo[$fieldId]['variable']] = implode(
', ',
$data[$fieldId][$user['user_id']]
);
} else {
$user_row[$extraFieldInfo[$fieldId]['variable']] = $data[$fieldId][$user['user_id']];
}
} else {
$user_row[$extraFieldInfo[$fieldId]['variable']] = '';
}
}
}
$user_row['link'] = $user['link'];
if ($export_csv) {
if (empty($session_id)) {
unset($user_row['classes']);
unset($user_row['link']);
} else {
unset($user_row['classes']);
unset($user_row['link']);
}
$csv_content[] = $user_row;
}
$users[] = array_values($user_row);
}
if ($export_csv) {
Session::write('csv_content', $csv_content);
}
Session::erase('additional_user_profile_info');
Session::erase('extra_field_info');
return $users;
}
/**
* Get data for users list in sortable with pagination.
*
* @param $from
* @param $number_of_items
* @param $column
* @param $direction
* @param $includeInvitedUsers boolean Whether include the invited users
*
* @return array
*/
public static function getTotalTimeReport(
$from,
$number_of_items,
$column,
$direction,
$includeInvitedUsers = false
) {
global $user_ids, $course_code, $export_csv, $csv_content, $session_id;
$course_code = Database::escape_string($course_code);
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$access_url_id = api_get_current_access_url_id();
// get all users data from a course for sortable with limit
if (is_array($user_ids)) {
$user_ids = array_map('intval', $user_ids);
$condition_user = " WHERE user.user_id IN (".implode(',', $user_ids).") ";
} else {
$user_ids = intval($user_ids);
$condition_user = " WHERE user.user_id = $user_ids ";
}
$url_table = null;
$url_condition = null;
if (api_is_multiple_url_enabled()) {
$url_table = ", ".$tbl_url_rel_user." as url_users";
$url_condition = " AND user.user_id = url_users.user_id AND access_url_id='$access_url_id'";
}
$invitedUsersCondition = '';
if (!$includeInvitedUsers) {
$invitedUsersCondition = " AND user.status != ".INVITEE;
}
$sql = "SELECT user.user_id as user_id,
user.official_code as col0,
user.lastname as col1,
user.firstname as col2,
user.username as col3
FROM $tbl_user as user $url_table
$condition_user $url_condition $invitedUsersCondition";
if (!in_array($direction, ['ASC', 'DESC'])) {
$direction = 'ASC';
}
$column = intval($column);
$from = intval($from);
$number_of_items = intval($number_of_items);
$sql .= " ORDER BY col$column $direction ";
$sql .= " LIMIT $from,$number_of_items";
$res = Database::query($sql);
$users = [];
$course_info = api_get_course_info($course_code);
$sortByFirstName = api_sort_by_first_name();
while ($user = Database::fetch_array($res, 'ASSOC')) {
$courseInfo = api_get_course_info($course_code);
$courseId = $courseInfo['real_id'];
$user['official_code'] = $user['col0'];
$user['lastname'] = $user['col1'];
$user['firstname'] = $user['col2'];
$user['username'] = $user['col3'];
$totalCourseTime = Tracking::get_time_spent_on_the_course(
$user['user_id'],
$courseId,
$session_id
);
$user['time'] = api_time_to_hms($totalCourseTime);
$totalLpTime = Tracking::get_time_spent_in_lp(
$user['user_id'],
$course_code,
[],
$session_id
);
$user['total_lp_time'] = $totalLpTime;
$warning = '';
if ($totalLpTime > $totalCourseTime) {
$warning = ' '.Display::label(get_lang('Time difference'), 'danger');
}
$user['total_lp_time'] = api_time_to_hms($totalLpTime).$warning;
$user['first_connection'] = Tracking::get_first_connection_date_on_the_course(
$user['user_id'],
$courseId,
$session_id
);
$user['last_connection'] = Tracking::get_last_connection_date_on_the_course(
$user['user_id'],
$courseInfo,
$session_id,
$export_csv === false
);
$user['link'] = '
'.Display::return_icon('2rightarrow.png', get_lang('Details')).'
';
// store columns in array $users
$user_row = [];
$user_row['official_code'] = $user['official_code']; //0
if ($sortByFirstName) {
$user_row['firstname'] = $user['firstname'];
$user_row['lastname'] = $user['lastname'];
} else {
$user_row['lastname'] = $user['lastname'];
$user_row['firstname'] = $user['firstname'];
}
$user_row['username'] = $user['username'];
$user_row['time'] = $user['time'];
$user_row['total_lp_time'] = $user['total_lp_time'];
$user_row['first_connection'] = $user['first_connection'];
$user_row['last_connection'] = $user['last_connection'];
$user_row['link'] = $user['link'];
$users[] = array_values($user_row);
}
return $users;
}
/**
* @param string $current
*/
public static function actionsLeft($current, $sessionId = 0)
{
$usersLink = Display::url(
Display::return_icon('user.png', get_lang('Report on learners'), [], ICON_SIZE_MEDIUM),
'courseLog.php?'.api_get_cidreq(true, false)
);
$groupsLink = Display::url(
Display::return_icon('group.png', get_lang('Group reporting'), [], ICON_SIZE_MEDIUM),
'course_log_groups.php?'.api_get_cidreq()
);
$resourcesLink = Display::url(
Display::return_icon('tools.png', get_lang('Report on resource'), [], ICON_SIZE_MEDIUM),
'course_log_resources.php?'.api_get_cidreq(true, false)
);
$courseLink = Display::url(
Display::return_icon('course.png', get_lang('Course report'), [], ICON_SIZE_MEDIUM),
'course_log_tools.php?'.api_get_cidreq(true, false)
);
$examLink = Display::url(
Display::return_icon('quiz.png', get_lang('Exam tracking'), [], ICON_SIZE_MEDIUM),
api_get_path(WEB_CODE_PATH).'tracking/exams.php?'.api_get_cidreq()
);
$eventsLink = Display::url(
Display::return_icon('security.png', get_lang('Audit report'), [], ICON_SIZE_MEDIUM),
api_get_path(WEB_CODE_PATH).'tracking/course_log_events.php?'.api_get_cidreq()
);
$attendanceLink = '';
if (!empty($sessionId)) {
$attendanceLink = Display::url(
Display::return_icon('attendance_list.png', get_lang('Logins'), '', ICON_SIZE_MEDIUM),
api_get_path(WEB_CODE_PATH).'attendance/index.php?'.api_get_cidreq().'&action=calendar_logins'
);
}
switch ($current) {
case 'users':
$usersLink = Display::url(
Display::return_icon(
'user_na.png',
get_lang('Report on learners'),
[],
ICON_SIZE_MEDIUM
),
'#'
);
break;
case 'groups':
$groupsLink = Display::url(
Display::return_icon('group_na.png', get_lang('Group reporting'), [], ICON_SIZE_MEDIUM),
'#'
);
break;
case 'courses':
$courseLink = Display::url(
Display::return_icon('course_na.png', get_lang('Course report'), [], ICON_SIZE_MEDIUM),
'#'
);
break;
case 'resources':
$resourcesLink = Display::url(
Display::return_icon(
'tools_na.png',
get_lang('Report on resource'),
[],
ICON_SIZE_MEDIUM
),
'#'
);
break;
case 'exams':
$examLink = Display::url(
Display::return_icon('quiz_na.png', get_lang('Exam tracking'), [], ICON_SIZE_MEDIUM),
'#'
);
break;
case 'logs':
$eventsLink = Display::url(
Display::return_icon('security_na.png', get_lang('Audit report'), [], ICON_SIZE_MEDIUM),
'#'
);
break;
case 'attendance':
if (!empty($sessionId)) {
$attendanceLink = Display::url(
Display::return_icon('attendance_list.png', get_lang('Logins'), '', ICON_SIZE_MEDIUM),
'#'
);
}
break;
}
$items = [
$usersLink,
$groupsLink,
$courseLink,
$resourcesLink,
$examLink,
$eventsLink,
$attendanceLink,
];
return implode('', $items).' ';
}
}