* @param int field id
* @param array list of user ids
* @return array
* @since Nov 2009
* @version 1.8.6.2
*/
public static function get_addtional_profile_information_of_field_by_user($field_id, $users)
{
// Database table definition
$table_user = Database::get_main_table(TABLE_MAIN_USER);
$table_user_field_values = Database::get_main_table(TABLE_MAIN_USER_FIELD_VALUES);
$result_extra_field = UserManager::get_extra_field_information($field_id);
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);
$tag_list = array();
foreach($user_result as $item) {
$tag_list[] = $item['tag'];
}
$return[$user_id][] = implode(', ',$tag_list);
}
} else {
$new_user_array = array();
foreach($users as $user_id) {
$new_user_array[]= "'".$user_id."'";
}
$users = implode(',',$new_user_array);
//selecting only the necessary information NOT ALL the user list
$sql = "SELECT user.user_id, field.field_value FROM $table_user user INNER JOIN $table_user_field_values field
ON (user.user_id = field.user_id)
WHERE field.field_id=".intval($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($row['field_value'])) {
if ($result_extra_field['field_type'] == USER_FIELD_TYPE_DOUBLE_SELECT) {
$id_double_select = explode(';',$row['field_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'];
$row['field_value'] = ($value1.';'.$value2);
}
}
}
// get other value from extra field
$return[$row['user_id']][] = $row['field_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, $b)
{
return strcmp(trim(api_strtolower($a[$_SESSION['tracking_column']])), trim(api_strtolower($b[$_SESSION['tracking_column']])));
}
public function sort_users_desc($a, $b)
{
return strcmp( trim(api_strtolower($b[$_SESSION['tracking_column']])), trim(api_strtolower($a[$_SESSION['tracking_column']])));
}
/**
* 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 $direction
* @return array
*/
public static function get_user_data($from, $number_of_items, $column, $direction)
{
global $user_ids, $course_code, $additional_user_profile_info, $export_csv, $is_western_name_order, $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 = $user_ids ";
}
if (!empty($_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'";
}
$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 $url_condition";
if (!in_array($direction, array('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 = array();
$course_info = api_get_course_info($course_code);
$total_surveys = 0;
$total_exercises = get_all_exercises(
$course_info,
$session_id,
false,
null,
false,
3
);
if (empty($session_id)) {
$survey_user_list = array();
$survey_list = survey_manager::get_surveys($course_code, $session_id);
$total_surveys = count($survey_list);
foreach ($survey_list as $survey) {
$user_list = survey_manager::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;
}
}
}
while ($user = Database::fetch_array($res, 'ASSOC')) {
$user['official_code'] = $user['col0'];
$user['lastname'] = $user['col1'];
$user['firstname'] = $user['col2'];
$user['username'] = $user['col3'];
$user['time'] = api_time_to_hms(Tracking::get_time_spent_on_the_course($user['user_id'], $course_code, $session_id));
$avg_student_score = Tracking::get_avg_student_score(
$user['user_id'],
$course_code,
array(),
$session_id
);
$avg_student_progress = Tracking::get_avg_student_progress(
$user['user_id'],
$course_code,
array(),
$session_id
);
if (empty($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'],
$course_code,
$session_id
);
$user['exercise_progress'] = $total_user_exercise;
$total_user_exercise = Tracking::get_exercise_student_average_best_attempt(
$total_exercises,
$user['user_id'],
$course_code,
$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'], $course_code, $session_id);
$user['last_connection'] = Tracking::get_last_connection_date_on_the_course($user['user_id'], $course_code, $session_id);
// we need to display an additional profile field
$user['additional'] = '';
if (isset($_GET['additional_profile_field']) AND is_numeric($_GET['additional_profile_field'])) {
if (isset($additional_user_profile_info[$user['user_id']]) &&
is_array($additional_user_profile_info[$user['user_id']])
) {
$user['additional'] = implode(', ', $additional_user_profile_info[$user['user_id']]);
}
}
if (empty($session_id)) {
$user['survey'] = (isset($survey_user_list[$user['user_id']]) ? $survey_user_list[$user['user_id']] : 0) .' / '.$total_surveys;
}
$user['link'] = '.'2rightarrow.gif)
';
// store columns in array $users
$is_western_name_order = api_is_western_name_order();
$user_row = array();
$user_row[]= $user['official_code']; //0
if ($is_western_name_order) {
$user_row[]= $user['firstname'];
$user_row[]= $user['lastname'];
} else {
$user_row[]= $user['lastname'];
$user_row[]= $user['firstname'];
}
$user_row[]= $user['username'];
$user_row[]= $user['time'];
$user_row[]= $user['average_progress'];
$user_row[]= $user['exercise_progress'];
$user_row[]= $user['exercise_average_best_attempt'];
$user_row[]= $user['student_score'];
$user_row[]= $user['count_assignments'];
$user_row[]= $user['count_messages'];
if (empty($session_id)) {
$user_row[]= $user['survey'];
}
$user_row[]= $user['first_connection'];
$user_row[]= $user['last_connection'];
if (isset($_GET['additional_profile_field']) AND is_numeric($_GET['additional_profile_field'])) {
$user_row[]= $user['additional'];
}
$user_row[]= $user['link'];
$users[] = $user_row;
if ($export_csv) {
if (empty($session_id)) {
$user_row = array_map('strip_tags', $user_row);
unset($user_row[14]);
unset($user_row[15]);
} else {
$user_row = array_map('strip_tags', $user_row);
unset($user_row[13]);
unset($user_row[14]);
}
$csv_content[] = $user_row;
}
}
return $users;
}
}
/**
* @package chamilo.tracking
*/
class TrackingUserLog
{
/**
* Displays the number of logins every month for a specific user in a specific course.
*/
public function display_login_tracking_info($view, $user_id, $course_id, $session_id = 0)
{
$MonthsLong = $GLOBALS['MonthsLong'];
// protected data
$user_id = intval($user_id);
$session_id = intval($session_id);
$course_id = Database::escape_string($course_id);
$track_access_table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ACCESS);
$tempView = $view;
if(substr($view,0,1) == '1') {
$new_view = substr_replace($view,'0',0,1);
echo "
|
- " .
"".get_lang('LoginsAndAccessTools')." [".get_lang('Close')."] [".get_lang('ExportAsCSV')."]
|
";
echo "".get_lang('LoginsDetails')."
";
$sql = "SELECT UNIX_TIMESTAMP(access_date), count(access_date)
FROM $track_access_table
WHERE access_user_id = '$user_id'
AND access_cours_code = '$course_id'
AND access_session_id = '$session_id'
GROUP BY YEAR(access_date),MONTH(access_date)
ORDER BY YEAR(access_date),MONTH(access_date) ASC";
echo " |
";
//$results = getManyResults2Col($sql);
$results = getManyResults3Col($sql);
echo "";
echo "
|
".get_lang('LoginsTitleMonthColumn')."
|
".get_lang('LoginsTitleCountColumn')."
|
";
$total = 0;
if (is_array($results)) {
for($j = 0 ; $j < count($results) ; $j++) {
echo "";
echo "| ".$MonthsLong[date('n', $results[$j][0])-1].' '.date('Y', $results[$j][0])." | ";
echo "".$results[$j][1]." | ";
echo" ";
$total = $total + $results[$j][1];
}
echo "";
echo "| ".get_lang('Total')." | ";
echo "".$total." | ";
echo" ";
} else {
echo "";
echo "| ".get_lang('NoResult')." | ";
echo" ";
}
echo " ";
echo " |
";
} else {
$new_view = substr_replace($view,'1',0,1);
echo "
|
+ ".get_lang('LoginsAndAccessTools')."
|
";
}
}
/**
* Displays the exercise results for a specific user in a specific course.
* @todo remove globals
*/
public function display_exercise_tracking_info($view, $user_id, $course_id)
{
global $TBL_TRACK_HOTPOTATOES, $TABLECOURSE_EXERCICES, $TABLETRACK_EXERCICES, $dateTimeFormatLong;
if(substr($view,1,1) == '1') {
$new_view = substr_replace($view,'0',1,1);
echo "
|
- ".get_lang('ExercicesResults')." [".get_lang('Close')."] [".get_lang('ExportAsCSV')."]
|
";
echo "".get_lang('ExercicesDetails')."
";
$sql = "SELECT ce.title, te.exe_result , te.exe_weighting, UNIX_TIMESTAMP(te.exe_date)
FROM $TABLECOURSE_EXERCICES AS ce , $TABLETRACK_EXERCICES AS te
WHERE te.exe_cours_id = '".Database::escape_string($course_id)."'
AND te.exe_user_id = '".intval($user_id)."'
AND te.exe_exo_id = ce.id
ORDER BY ce.title ASC, te.exe_date ASC";
$hpsql = "SELECT te.exe_name, te.exe_result , te.exe_weighting, UNIX_TIMESTAMP(te.exe_date)
FROM $TBL_TRACK_HOTPOTATOES AS te
WHERE te.exe_user_id = '".intval($user_id)."' AND te.exe_cours_id = '".Database::escape_string($course_id)."'
ORDER BY te.exe_cours_id ASC, te.exe_date ASC";
$hpresults = getManyResultsXCol($hpsql, 4);
$NoTestRes = 0;
$NoHPTestRes = 0;
echo " |
\n\n";
$results = getManyResultsXCol($sql, 4);
echo "\n";
echo "
|
".get_lang('ExercicesTitleExerciceColumn')."
|
".get_lang('Date')."
|
".get_lang('ExercicesTitleScoreColumn')."
|
";
if (is_array($results)) {
for($i = 0; $i < sizeof($results); $i++) {
$display_date = api_convert_and_format_date($results[$i][3], null, date_default_timezone_get());
echo "\n";
echo "| ".$results[$i][0]." | \n";
echo "".$display_date." | \n";
echo "".$results[$i][1]." / ".$results[$i][2]." | \n";
echo " \n";
}
} else {
// istvan begin
$NoTestRes = 1;
}
// The Result of Tests
if(is_array($hpresults)) {
for($i = 0; $i < sizeof($hpresults); $i++) {
$title = GetQuizName($hpresults[$i][0],'');
if ($title == '')
$title = basename($hpresults[$i][0]);
$display_date = api_convert_and_format_date($hpresults[$i][3], null, date_default_timezone_get());
?>
|
|
/
|
\n";
echo "".get_lang('NoResult')." | \n";
echo "\n";
}
echo " ";
echo " | \n
\n";
} else {
$new_view = substr_replace($view,'1',1,1);
echo "
|
+ ".get_lang('ExercicesResults')."
|
";
}
}
/**
* Displays the student publications for a specific user in a specific course.
* @todo remove globals
*/
public function display_student_publications_tracking_info($view, $user_id, $course_id)
{
global $TABLETRACK_UPLOADS, $TABLECOURSE_WORK, $dateTimeFormatLong, $_course;
if (substr($view,2,1) == '1') {
$new_view = substr_replace($view,'0',2,1);
echo "
|
- ".get_lang('WorkUploads')." [".get_lang('Close')."] [".get_lang('ExportAsCSV')."]
|
";
echo "".get_lang('WorksDetails')."
";
$sql = "SELECT u.upload_date, w.title, w.author,w.url
FROM $TABLETRACK_UPLOADS u , $TABLECOURSE_WORK w
WHERE u.upload_work_id = w.id
AND u.upload_user_id = '".intval($user_id)."'
AND u.upload_cours_id = '".Database::escape_string($course_id)."'
ORDER BY u.upload_date DESC";
echo " |
";
$results = getManyResultsXCol($sql,4);
echo "";
echo "
|
".get_lang('WorkTitle')."
|
".get_lang('WorkAuthors')."
|
".get_lang('Date')."
|
";
if (is_array($results)) {
for($j = 0 ; $j < count($results) ; $j++) {
$pathToFile = api_get_path(WEB_COURSE_PATH).$_course['path']."/".$results[$j][3];
$beautifulDate = api_convert_and_format_date($results[$j][0], null, date_default_timezone_get());
echo "";
echo "| "
."".$results[$j][1].""
." | ";
echo "".$results[$j][2]." | ";
echo "".$beautifulDate." | ";
echo" ";
}
} else {
echo "";
echo "| ".get_lang('NoResult')." | ";
echo" ";
}
echo " ";
echo " |
";
} else {
$new_view = substr_replace($view,'1',2,1);
echo "
|
+ ".get_lang('WorkUploads')."
|
";
}
}
/**
* Displays the links followed for a specific user in a specific course.
* @todo remove globals
*/
public function display_links_tracking_info($view, $user_id, $course_id)
{
global $TABLETRACK_LINKS, $TABLECOURSE_LINKS;
if (substr($view,3,1) == '1') {
$new_view = substr_replace($view,'0',3,1);
echo "
|
- ".get_lang('LinksAccess')." [".get_lang('Close')."] [".get_lang('ExportAsCSV')."]
|
";
echo "".get_lang('LinksDetails')."
";
$sql = "SELECT cl.title, cl.url
FROM $TABLETRACK_LINKS AS sl, $TABLECOURSE_LINKS AS cl
WHERE sl.links_link_id = cl.id
AND sl.links_cours_id = '".Database::escape_string($course_id)."'
AND sl.links_user_id = '".intval($user_id)."'
GROUP BY cl.title, cl.url";
echo " |
";
$results = getManyResults2Col($sql);
echo "";
echo "
|
".get_lang('LinksTitleLinkColumn')."
|
";
if (is_array($results)) {
for($j = 0 ; $j < count($results) ; $j++) {
echo "";
echo "| ".$results[$j][0]." | ";
echo" ";
}
} else {
echo "";
echo "| ".get_lang('NoResult')." | ";
echo" ";
}
echo " ";
echo " |
";
} else {
$new_view = substr_replace($view,'1',3,1);
echo "
|
+ ".get_lang('LinksAccess')."
|
";
}
}
/**
* Displays the documents downloaded for a specific user in a specific course.
* @param string kind of view inside tracking info
* @param int User id
* @param string Course code
* @param int Session id (optional, default = 0)
* @return void
*/
public static function display_document_tracking_info($view, $user_id, $course_id, $session_id = 0) {
// protect data
$user_id = intval($user_id);
$course_id = Database::escape_string($course_id);
$session_id = intval($session_id);
$downloads_table = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
if(substr($view,4,1) == '1') {
$new_view = substr_replace($view,'0',4,1);
echo "
|
- ".get_lang('DocumentsAccess')." [".get_lang('Close')."] [".get_lang('ExportAsCSV')."]
|
";
echo "".get_lang('DocumentsDetails')."
";
$sql = "SELECT down_doc_path
FROM $downloads_table
WHERE down_cours_id = '".$course_id."'
AND down_user_id = '$user_id'
AND down_session_id = '$session_id'
GROUP BY down_doc_path";
echo " |
";
$results = getManyResults1Col($sql);
echo "";
echo "
|
".get_lang('DocumentsTitleDocumentColumn')."
|
";
if (is_array($results)) {
for($j = 0 ; $j < count($results) ; $j++) {
echo "";
echo "| ".$results[$j]." | ";
echo" ";
}
} else {
echo "";
echo "| ".get_lang('NoResult')." | ";
echo" ";
}
echo " ";
echo " |
";
} else {
$new_view = substr_replace($view,'1',4,1);
echo "
|
+ ".get_lang('DocumentsAccess')."
|
";
}
}
/**
* 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) or empty($event_date)) {
return false;
}
$table_login = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
$sql_ip = "SELECT login_date, login_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], array('title'=>get_lang('TraceIP'), 'target'=>'_blank'));
} else {
$ip = $row_ip[1];
}
}
return $ip;
}
}
/**
* @package chamilo.tracking
*/
class TrackingUserLogCSV
{
/**
* Displays the number of logins every month for a specific user in a specific course.
*/
public function display_login_tracking_info($view, $user_id, $course_id, $session_id = 0)
{
$MonthsLong = $GLOBALS['MonthsLong'];
$track_access_table = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ACCESS);
// protected data
$user_id = intval($user_id);
$session_id = intval($session_id);
$course_id = Database::escape_string($course_id);
$tempView = $view;
if(substr($view,0,1) == '1')
{
$new_view = substr_replace($view,'0',0,1);
$title[1]= get_lang('LoginsAndAccessTools').get_lang('LoginsDetails');
$sql = "SELECT UNIX_TIMESTAMP(access_date), count(access_date)
FROM $track_access_table
WHERE access_user_id = '$user_id'
AND access_cours_code = '".$course_id."'
AND access_session_id = '$session_id'
GROUP BY YEAR(access_date),MONTH(access_date)
ORDER BY YEAR(access_date),MONTH(access_date) ASC";
//$results = getManyResults2Col($sql);
$results = getManyResults3Col($sql);
$title_line= get_lang('LoginsTitleMonthColumn').';'.get_lang('LoginsTitleCountColumn')."\n";
$line='';
$total = 0;
if (is_array($results)) {
for($j = 0 ; $j < count($results) ; $j++) {
$line .= $results[$j][0].';'.$results[$j][1]."\n";
$total = $total + $results[$j][1];
}
$line .= get_lang('Total').";".$total."\n";
} else {
$line= get_lang('NoResult')."";
}
} else {
$new_view = substr_replace($view,'1',0,1);
}
return array($title_line, $line);
}
/**
* Displays the exercise results for a specific user in a specific course.
* @todo remove globals
*/
public function display_exercise_tracking_info($view, $user_id, $course_id)
{
global $TABLECOURSE_EXERCICES, $TABLETRACK_EXERCICES, $TABLETRACK_HOTPOTATOES, $dateTimeFormatLong;
if (substr($view,1,1) == '1') {
$new_view = substr_replace($view,'0',1,1);
$title[1]= get_lang('ExercicesDetails');
$line='';
$sql = "SELECT ce.title, te.exe_result , te.exe_weighting, UNIX_TIMESTAMP(te.exe_date)
FROM $TABLECOURSE_EXERCICES AS ce , $TABLETRACK_EXERCICES AS te
WHERE te.exe_cours_id = '$course_id'
AND te.exe_user_id = '$user_id'
AND te.exe_exo_id = ce.id
ORDER BY ce.title ASC, te.exe_date ASC";
$hpsql = "SELECT te.exe_name, te.exe_result , te.exe_weighting, UNIX_TIMESTAMP(te.exe_date)
FROM $TABLETRACK_HOTPOTATOES AS te
WHERE te.exe_user_id = '$user_id' AND te.exe_cours_id = '$course_id'
ORDER BY te.exe_cours_id ASC, te.exe_date ASC";
$hpresults = getManyResultsXCol($hpsql, 4);
$NoTestRes = 0;
$NoHPTestRes = 0;
$results = getManyResultsXCol($sql, 4);
$title_line=get_lang('ExercicesTitleExerciceColumn').";".get_lang('Date').';'.get_lang('ExercicesTitleScoreColumn')."\n";
if (is_array($results)) {
for($i = 0; $i < sizeof($results); $i++)
{
$display_date = api_convert_and_format_date($results[$i][3], null, date_default_timezone_get());
$line .= $results[$i][0].";".$display_date.";".$results[$i][1]." / ".$results[$i][2]."\n";
}
} else {
// istvan begin
$NoTestRes = 1;
}
// The Result of Tests
if (is_array($hpresults)) {
for($i = 0; $i < sizeof($hpresults); $i++) {
$title = GetQuizName($hpresults[$i][0],'');
if ($title == '')
$title = basename($hpresults[$i][0]);
$display_date = api_convert_and_format_date($hpresults[$i][3], null, date_default_timezone_get());
$line .= $title.';'.$display_date.';'.$hpresults[$i][1].'/'.$hpresults[$i][2]."\n";
}
} else {
$NoHPTestRes = 1;
}
if ($NoTestRes == 1 && $NoHPTestRes == 1) {
$line=get_lang('NoResult');
}
} else {
$new_view = substr_replace($view,'1',1,1);
}
return array($title_line, $line);
}
/**
* Displays the student publications for a specific user in a specific course.
* @todo remove globals
*/
public function display_student_publications_tracking_info($view, $user_id, $course_id)
{
global $TABLETRACK_UPLOADS, $TABLECOURSE_WORK, $dateTimeFormatLong, $_course;
if (substr($view,2,1) == '1') {
$new_view = substr_replace($view,'0',2,1);
$sql = "SELECT u.upload_date, w.title, w.author, w.url
FROM $TABLETRACK_UPLOADS u , $TABLECOURSE_WORK w
WHERE u.upload_work_id = w.id
AND u.upload_user_id = '$user_id'
AND u.upload_cours_id = '$course_id'
ORDER BY u.upload_date DESC";
$results = getManyResultsXCol($sql,4);
$title[1]=get_lang('WorksDetails');
$line='';
$title_line=get_lang('WorkTitle').";".get_lang('WorkAuthors').";".get_lang('Date')."\n";
if (is_array($results)) {
for($j = 0 ; $j < count($results) ; $j++) {
$pathToFile = api_get_path(WEB_COURSE_PATH).$_course['path']."/".$results[$j][3];
$beautifulDate = api_convert_and_format_date($results[$j][0], null, date_default_timezone_get());
$line .= $results[$j][1].";".$results[$j][2].";".$beautifulDate."\n";
}
} else {
$line= get_lang('NoResult');
}
} else {
$new_view = substr_replace($view,'1',2,1);
}
return array($title_line, $line);
}
/**
* Displays the links followed for a specific user in a specific course.
* @todo remove globals
*/
public function display_links_tracking_info($view, $user_id, $course_id)
{
global $TABLETRACK_LINKS, $TABLECOURSE_LINKS;
$line = null;
if (substr($view,3,1) == '1') {
$new_view = substr_replace($view,'0',3,1);
$title[1]=get_lang('LinksDetails');
$sql = "SELECT cl.title, cl.url
FROM $TABLETRACK_LINKS AS sl, $TABLECOURSE_LINKS AS cl
WHERE sl.links_link_id = cl.id
AND sl.links_cours_id = '$course_id'
AND sl.links_user_id = '$user_id'
GROUP BY cl.title, cl.url";
$results = getManyResults2Col($sql);
$title_line= get_lang('LinksTitleLinkColumn')."\n";
if (is_array($results)) {
for ($j = 0 ; $j < count($results) ; $j++) {
$line .= $results[$j][0]."\n";
}
} else {
$line=get_lang('NoResult');
}
} else {
$new_view = substr_replace($view,'1',3,1);
}
return array($title_line, $line);
}
/**
* Displays the documents downloaded for a specific user in a specific course.
* @param string kind of view inside tracking info
* @param int User id
* @param string Course code
* @param int Session id (optional, default = 0)
* @return void
*/
public function display_document_tracking_info($view, $user_id, $course_id, $session_id = 0)
{
// protect data
$user_id = intval($user_id);
$course_id = Database::escape_string($course_id);
$session_id = intval($session_id);
$downloads_table = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
if (substr($view,4,1) == '1') {
$new_view = substr_replace($view,'0',4,1);
$title[1]= get_lang('DocumentsDetails');
$sql = "SELECT down_doc_path
FROM $downloads_table
WHERE down_cours_id = '$course_id'
AND down_user_id = '$user_id'
AND down_session_id = '$session_id'
GROUP BY down_doc_path";
$results = getManyResults1Col($sql);
$title_line = get_lang('DocumentsTitleDocumentColumn')."\n";
$line = null;
if (is_array($results)) {
for ($j = 0 ; $j < count($results) ; $j++) {
$line .= $results[$j]."\n";
}
} else {
$line = get_lang('NoResult');
}
} else {
$new_view = substr_replace($view,'1',4,1);
}
return array($title_line, $line);
}
/**
* @param $userId
* @param $courseInfo
* @param int $sessionId
* @return array
*/
public static function getToolInformation(
$userId,
$courseInfo,
$sessionId = 0
) {
$csvContent = array();
$courseToolInformation = null;
$headerTool = array(
array(get_lang('Title')),
array(get_lang('CreatedAt')),
array(get_lang('UpdatedAt')),
);
$headerListForCSV = array();
foreach ($headerTool as $item) {
$headerListForCSV[] = $item[0];
}
$courseForumInformationArray = getForumCreatedByUser(
$userId,
$courseInfo['real_id'],
$sessionId
);
if (!empty($courseForumInformationArray)) {
$csvContent[] = array();
$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('Works');
$csvContent[] = $headerListForCSV;
foreach ($courseWorkInformationArray as $row) {
$csvContent[] = $row;
}
$csvContent[] = null;
$courseToolInformation .= Display::page_subheader2(
get_lang('Works')
);
$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(
'array' => $csvContent,
'html' => $courseToolInformationTotal,
);
}
}
 . 'quiz_na.gif "' . get_lang('ShowAttempt') . '")
 . 'quiz.gif "' . get_lang('ShowAttempt') . '")
.'messagebox_warning.gif)
': null;
return $icon. Display::label($last_login_date, 'warning');
} else {
return $last_login_date;
}
} else {
if ($convert_date) {
return api_convert_and_format_date($last_login_date, DATE_FORMAT_SHORT);
} else {
return $last_login_date;
}
}
}
}
return false;
}
/**
* Get count of the connections to the course during a specified period
* @param string Course code
* @param int Session id (optional)
* @param int Datetime from which to collect data (defaults to 0)
* @param int Datetime to which to collect data (defaults to now)
* @return int count connections
*/
public static function get_course_connections_count($course_code, $session_id = 0, $start = 0, $stop = null)
{
if ($start < 0) {
$start = 0;
}
if (!isset($stop) or ($stop < 0)) {
$stop = api_get_utc_datetime();
}
$start = Database::escape_string($start);
$stop = Database::escape_string($stop);
$month_filter = " AND login_course_date > '$start' AND login_course_date < '$stop' ";
$course_code = Database::escape_string($course_code);
$session_id = intval($session_id);
$count = 0;
$tbl_track_e_course_access = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
$sql = "SELECT count(*) as count_connections
FROM $tbl_track_e_course_access
WHERE
course_code = '$course_code' AND
session_id = $session_id
$month_filter";
$rs = Database::query($sql);
if (Database::num_rows($rs)>0) {
$row = Database::fetch_object($rs);
$count = $row->count_connections;
}
return $count;
}
/**
* Get count courses per student
* @param int Student id
* @param bool Include sessions (optional)
* @return int count courses
*/
public static function count_course_per_student($user_id, $include_sessions = true)
{
$user_id = intval($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 course_code
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 course_code
FROM ' . $tbl_session_course_rel_user . '
WHERE id_user = ' . $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
* @internal param \Student $mixed id
* @internal param \Course $string code
* @internal param \Exercise $int id (optional), filtered by exercise
* @internal param \Session $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_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
// 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 ";
$count_quiz = Database::fetch_row(Database::query($sql));
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 = array();
$exercise_id = null;
if (Database::num_rows($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(exe_result/exe_weighting*100) as avg_score,
COUNT(*) as num_attempts
$select_lp_id
FROM $tbl_stats_exercise
WHERE
exe_exo_id IN ('".$exercise_id."')
$condition_user AND
status = '' AND
exe_cours_id = '$course_code'
$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 = $row_lp[0];
return array($quiz_avg_score, $lp_name);
} else {
return array($quiz_avg_score, null);
}
}
}
}
return null;
}
/**
* Get count student's exercise COMPLETED attempts
* @param $student_id
* @param $course_code
* @param $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,
$course_code,
$exercise_id,
$lp_id = 0,
$lp_item_id = 0,
$session_id = 0,
$find_all_lp = 0
) {
$course_code = Database::escape_string($course_code);
$student_id = intval($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_exercices = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$sql = "SELECT COUNT(ex.exe_id) as essais FROM $tbl_stats_exercices AS ex
WHERE ex.exe_cours_id = '$course_code'
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 string $course_code
* @param int $session_id
*/
public static function get_exercise_student_progress($exercise_list, $user_id, $course_code, $session_id)
{
$course_code = Database::escape_string($course_code);
$user_id = intval($user_id);
$session_id = intval($session_id);
if (empty($exercise_list)) {
return '0%';
}
$tbl_stats_exercices = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$exercise_list = array_keys($exercise_list);
$exercise_list = array_map('intval', $exercise_list);
$exercise_list_imploded = implode("' ,'", $exercise_list);
$sql = "SELECT COUNT(DISTINCT ex.exe_exo_id)
FROM $tbl_stats_exercices AS ex
WHERE
ex.exe_cours_id = '$course_code' 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 string $course_code
* @param int $session_id
* @return string
*/
public static function get_exercise_student_average_best_attempt($exercise_list, $user_id, $course_code, $session_id)
{
$result = 0;
if (!empty($exercise_list)) {
foreach ($exercise_list as $exercise_data) {
$exercise_id = $exercise_data['id'];
$best_attempt = get_best_attempt_exercise_results_per_user(
$user_id,
$exercise_id,
$course_code,
$session_id
);
if (!empty($best_attempt) && !empty($best_attempt['exe_weighting'])) {
$result += $best_attempt['exe_result']/$best_attempt['exe_weighting'];
}
}
$result = $result / count($exercise_list);
$result = round($result, 2) * 100;
}
return $result.'%';
}
/**
* get teacher progress by course and session
* @param int course id
* @param int session id
* @return array
*/
static function get_teachers_progress_by_course($courseId, $sessionId)
{
$course = api_get_course_info_by_id($courseId);
$sessionId = intval($sessionId);
$courseId = intval($courseId);
//get teachers
$sql = "SELECT scu.id_session, scu.id_user, s.name
FROM session_rel_course_rel_user scu, session s
WHERE
scu.id_session = s.id
AND scu.status = 2
AND scu.visibility = 1
AND scu.course_code = '%s'
AND scu.id_session = %s";
$query = sprintf($sql,$course['code'], $sessionId);
$rs = Database::query($query);
$teachers = array();
while ($teacher = Database::fetch_array($rs,'ASSOC')) {
$teachers[] = $teacher;
}
$data = array();
foreach ($teachers as $teacher) {
//total documents added
$sql = "SELECT count(*) as total
FROM c_item_property
WHERE lastedit_type = 'DocumentAdded'
AND c_id = %s
AND insert_user_id = %s
AND id_session = %s";
$query = sprintf($sql,
$courseId,
$teacher['id_user'],
$teacher['id_session']
);
$rs = Database::query($query);
$totalDocuments = 0;
if ($rs) {
$row = Database::fetch_row($rs);
$totalDocuments = $row[0];
}
//total links added
$sql = "SELECT count(*) as total
FROM c_item_property
WHERE lastedit_type = 'LinkAdded'
AND c_id = %s
AND insert_user_id = %s
AND id_session = %s";
$query = sprintf($sql,
$courseId,
$teacher['id_user'],
$teacher['id_session']
);
$rs = Database::query($query);
$totalLinks = 0;
if ($rs) {
$row = Database::fetch_row($rs);
$totalLinks = $row[0];
}
//total forums added
$sql = "SELECT count(*) as total
FROM c_item_property
WHERE lastedit_type = 'ForumthreadVisible'
AND c_id = %s
AND insert_user_id = %s
AND id_session = %s";
$query = sprintf($sql,
$courseId,
$teacher['id_user'],
$teacher['id_session']
);
$rs = Database::query($query);
$totalForums = 0;
if ($rs) {
$row = Database::fetch_row($rs);
$totalForums = $row[0];
}
//total wikis added
$sql = "SELECT COUNT(DISTINCT(ref)) as total
FROM c_item_property
WHERE lastedit_type = 'WikiAdded'
AND c_id = %s
AND insert_user_id = %s
AND id_session = %s";
$query = sprintf($sql,
$courseId,
$teacher['id_user'],
$teacher['id_session']
);
$rs = Database::query($query);
$totalWikis = 0;
if ($rs) {
$row = Database::fetch_row($rs);
$totalWikis = $row[0];
}
//total works added
$sql = "SELECT COUNT(*) as total
FROM c_item_property
WHERE lastedit_type = 'DirectoryCreated'
AND tool = 'work'
AND c_id = %s
AND insert_user_id = %s
AND id_session = %s";
$query = sprintf($sql,
$courseId,
$teacher['id_user'],
$teacher['id_session']
);
$rs = Database::query($query);
$totalWorks = 0;
if ($rs) {
$row = Database::fetch_row($rs);
$totalWorks = $row[0];
}
//total announcements added
$sql = "SELECT COUNT(*) as total
FROM c_item_property
WHERE lastedit_type = 'AnnouncementAdded'
AND c_id = %s
AND insert_user_id = %s
AND id_session = %s";
$query = sprintf($sql,
$courseId,
$teacher['id_user'],
$teacher['id_session']
);
$rs = Database::query($query);
$totalAnnouncements = 0;
if ($rs) {
$row = Database::fetch_row($rs);
$totalAnnouncements = $row[0];
}
$tutor = api_get_user_info($teacher['id_user']);
$data[] = array(
'course' => $course['title'],
'session' => $teacher['name'],
'tutor' => $tutor['username'] . ' - ' . $tutor['lastname'] . ' ' . $tutor['firstname'],
'documents' => $totalDocuments,
'links' => $totalLinks,
'forums' => $totalForums,
'works' => $totalWorks,
'wikis' => $totalWikis,
'announcements' => $totalAnnouncements,
);
}
return $data;
}
/**
* Returns the average student progress in the learning paths of the given
* course.
* @param int|array $student_id
* @param string $course_code
* @param array $lp_ids Limit average to listed lp ids
* @param int $session_id Session id (optional),
* if parameter $session_id is null(default) it'll return results including
* sessions, 0 = session is not filtered
* @param bool $return_array Will return an array of the type:
* [sum_of_progresses, number] if it is set to true
* @return double Average progress of the user in this course
*/
public static function get_avg_student_progress(
$student_id,
$course_code = null,
$lp_ids = array(),
$session_id = null,
$return_array = false
) {
$conditions = array();
$session_id = intval($session_id);
// Get the information of the course.
$course_info = api_get_course_info($course_code);
if (!empty($course_info)) {
$conditions[] = " c_id = {$course_info['real_id']} ";
}
// table definition
$tbl_course_lp_view = Database :: get_course_table(TABLE_LP_VIEW);
// Compose a filter based on optional learning paths list given
$condition_lp = null;
if (!empty($lp_ids)) {
if (count($lp_ids) > 0) {
$lp_ids = array_map('intval', $lp_ids);
$conditions[] = " lp_view.lp_id IN (".implode(',', $lp_ids).") ";
}
}
// If there is at least one learning path and one student.
if (!empty($student_id)) {
if (is_array($student_id)) {
$student_id = array_map('intval', $student_id);
$conditions[] = " lp_view.user_id IN (".implode(',', $student_id).") ";
} else {
$student_id = intval($student_id);
$conditions[] = " lp_view.user_id = '$student_id' ";
if (empty($lp_ids)) {
$lpList = new learnpathList($student_id, $course_code, $session_id);
$lpList = $lpList->get_flat_list();
if (!empty($lpList)) {
/** @var $lp */
foreach ($lpList as $lpId => $lp) {
$lp_ids[] = $lpId;
}
}
}
}
if (!empty($session_id)) {
$conditions[] = " session_id = $session_id ";
}
$conditionToString = implode('AND', $conditions);
// Get last view for each student (in case of multi-attempt)
// Also filter on LPs of this session
/*$sql = " SELECT
MAX(view_count),
AVG(progress) average,
SUM(progress) sum_progress,
count(progress) count_progress
FROM $tbl_course_lp_view lp_view
WHERE
$conditionToString
GROUP BY lp_id";*/
$sql = " SELECT
lp_id,
view_count,
progress
FROM $tbl_course_lp_view lp_view
WHERE
$conditionToString
GROUP BY lp_id
ORDER BY view_count DESC
";
$result = Database::query($sql);
$progress = array();
$viewCount = array();
while ($row = Database::fetch_array($result, 'ASSOC')) {
if (!isset($viewCount[$row['lp_id']])) {
$progress[$row['lp_id']] = $row['progress'];
}
$viewCount[$row['lp_id']] = $row['view_count'];
}
// Fill with lp ids
if (!empty($lp_ids)) {
foreach ($lp_ids as $lpId) {
if (!isset($progress[$lpId])) {
$progress[$lpId] = 0;
}
}
}
if (!empty($progress)) {
$sum = array_sum($progress);
$average = $sum / count($progress);
} else {
$average = 0;
$sum = 0;
}
if (!$return_array) {
$avg_progress = round($average, 1);
return $avg_progress;
} else {
return array($sum, count($progress));
}
}
}
/**
* 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
*
* @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 = array(),
$session_id = null,
$return_array = false,
$get_only_latest_attempt_results = false
) {
$debug = false;
if (empty($lp_ids)) {
$debug = false;
}
if ($debug) echo '