/**
* Get the users to display on the current page (fill the sortable-table)
* @param int offset of first user to recover
* @param int Number of users to get
* @param int Column to sort on
* @param string Order (ASC,DESC)
* @param bool
* @see SortableTable#get_table_data($from)
*/
function get_user_data($from, $number_of_items, $column, $direction, $get_count = false)
{
$user_table = Database::get_main_table(TABLE_MAIN_USER);
$admin_table = Database::get_main_table(TABLE_MAIN_ADMIN);
$select = "SELECT\n u.user_id\t\t\t\tAS col0,\n u.official_code\t\tAS col2,\n\t\t\t\t " . (api_is_western_name_order() ? "u.firstname \t\t\tAS col3,\n u.lastname \t\t\tAS col4," : "u.lastname \t\t\tAS col3,\n u.firstname \t\t\tAS col4,") . "\n u.username\t\t\t\tAS col5,\n u.email\t\t\t\tAS col6,\n u.status\t\t\t\tAS col7,\n u.active\t\t\t\tAS col8,\n u.user_id\t\t\t\tAS col9,\n u.registration_date AS col10,\n u.expiration_date AS exp,\n u.password\n ";
if ($get_count) {
$select = "SELECT count(u.user_id) as total_rows";
}
$sql = "{$select} FROM {$user_table} u ";
// adding the filter to see the user's only of the current access_url
if ((api_is_platform_admin() || api_is_session_admin()) && api_get_multiple_access_url()) {
$access_url_rel_user_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$sql .= " INNER JOIN {$access_url_rel_user_table} url_rel_user ON (u.user_id=url_rel_user.user_id)";
}
if (isset($_GET['keyword_extra_data'])) {
$keyword_extra_data = Database::escape_string($_GET['keyword_extra_data']);
if (!empty($keyword_extra_data)) {
$extra_info = UserManager::get_extra_field_information_by_name($keyword_extra_data);
$field_id = $extra_info['id'];
$sql .= " INNER JOIN user_field_values ufv ON u.user_id=ufv.user_id AND ufv.field_id={$field_id} ";
}
}
if (isset($_GET['keyword'])) {
$keyword = Database::escape_string(trim($_GET['keyword']));
$sql .= " WHERE (u.firstname LIKE '%" . $keyword . "%' OR u.lastname LIKE '%" . $keyword . "%' OR concat(u.firstname,' ',u.lastname) LIKE '%" . $keyword . "%' OR concat(u.lastname,' ',u.firstname) LIKE '%" . $keyword . "%' OR u.username LIKE '%" . $keyword . "%' OR u.official_code LIKE '%" . $keyword . "%' OR u.email LIKE '%" . $keyword . "%' )";
} elseif (isset($_GET['keyword_firstname'])) {
$keyword_firstname = Database::escape_string($_GET['keyword_firstname']);
$keyword_lastname = Database::escape_string($_GET['keyword_lastname']);
$keyword_email = Database::escape_string($_GET['keyword_email']);
$keyword_officialcode = Database::escape_string($_GET['keyword_officialcode']);
$keyword_username = Database::escape_string($_GET['keyword_username']);
$keyword_status = Database::escape_string($_GET['keyword_status']);
$query_admin_table = '';
$and_conditions = array();
if ($keyword_status == SESSIONADMIN) {
$keyword_status = '%';
$query_admin_table = " , {$admin_table} a ";
$and_conditions[] = ' a.user_id = u.user_id ';
}
if (isset($_GET['keyword_extra_data'])) {
if (!empty($_GET['keyword_extra_data']) && !empty($_GET['keyword_extra_data_text'])) {
$keyword_extra_data_text = Database::escape_string($_GET['keyword_extra_data_text']);
$and_conditions[] = " ufv.field_value LIKE '%" . trim($keyword_extra_data_text) . "%' ";
}
}
$keyword_active = isset($_GET['keyword_active']);
$keyword_inactive = isset($_GET['keyword_inactive']);
$sql .= $query_admin_table . " WHERE ( ";
if (!empty($keyword_firstname)) {
$and_conditions[] = "u.firstname LIKE '%" . $keyword_firstname . "%' ";
}
if (!empty($keyword_lastname)) {
$and_conditions[] = "u.lastname LIKE '%" . $keyword_lastname . "%' ";
}
if (!empty($keyword_username)) {
$and_conditions[] = "u.username LIKE '%" . $keyword_username . "%' ";
}
if (!empty($keyword_email)) {
$and_conditions[] = "u.email LIKE '%" . $keyword_email . "%' ";
}
if (!empty($keyword_officialcode)) {
$and_conditions[] = "u.official_code LIKE '%" . $keyword_officialcode . "%' ";
}
if (!empty($keyword_status)) {
$and_conditions[] = "u.status LIKE '" . $keyword_status . "' ";
}
if ($keyword_active && !$keyword_inactive) {
$and_conditions[] = " u.active='1' ";
} elseif ($keyword_inactive && !$keyword_active) {
$and_conditions[] = " u.active='0' ";
}
if (!empty($and_conditions)) {
$sql .= implode(' AND ', $and_conditions);
}
$sql .= " ) ";
}
// adding the filter to see the user's only of the current access_url
if ((api_is_platform_admin() || api_is_session_admin()) && api_get_multiple_access_url()) {
$sql .= " AND url_rel_user.access_url_id=" . api_get_current_access_url_id();
}
$checkPassStrength = isset($_GET['check_easy_passwords']) && $_GET['check_easy_passwords'] == 1 ? true : false;
if ($checkPassStrength) {
$easyPasswordList = api_get_easy_password_list();
$easyPasswordList = array_map('api_get_encrypted_password', $easyPasswordList);
$easyPasswordList = array_map(array('Database', 'escape_string'), $easyPasswordList);
$easyPassword = implode("' OR password LIKE '", $easyPasswordList);
$sql .= "AND password LIKE '{$easyPassword}' ";
}
if (!in_array($direction, array('ASC', 'DESC'))) {
$direction = 'ASC';
}
$column = intval($column);
$from = intval($from);
$number_of_items = intval($number_of_items);
// Returns counts and exits function.
if ($get_count) {
$res = Database::query($sql);
$user = Database::fetch_array($res);
return $user['total_rows'];
}
$sql .= " ORDER BY col{$column} {$direction} ";
$sql .= " LIMIT {$from},{$number_of_items}";
$res = Database::query($sql);
$users = array();
$t = time();
while ($user = Database::fetch_row($res)) {
$userInfo = api_get_user_info($user[0]);
$image_path = UserManager::get_user_picture_path_by_id($user[0], 'web', false, true);
$user_profile = UserManager::get_picture_user($user[0], $image_path['file'], 22, USER_IMAGE_SIZE_SMALL, ' width="22" height="22" ');
if (!api_is_anonymous()) {
$photo = '<center><a href="' . $userInfo['profile_url'] . '" title="' . get_lang('Info') . '">
<img src="' . $user_profile['file'] . '" ' . $user_profile['style'] . ' alt="' . $userInfo['complete_name'] . '" title="' . $userInfo['complete_name'] . '" /></a></center>';
} else {
$photo = '<center><img src="' . $user_profile['file'] . '" ' . $user_profile['style'] . ' alt="' . $userInfo['complete_name'] . '" title="' . $userInfo['complete_name'] . '" /></center>';
}
if ($user[7] == 1 && $user[10] != '0000-00-00 00:00:00') {
// check expiration date
$expiration_time = api_convert_sql_date($user[10]);
// if expiration date is passed, store a special value for active field
if ($expiration_time < $t) {
$user[7] = '-1';
}
}
// forget about the expiration date field
$users[] = array($user[0], $photo, $user[1], Display::url($user[2], $userInfo['profile_url']), Display::url($user[3], $userInfo['profile_url']), $user[4], $user[5], $user[6], $user[7], api_get_local_time($user[9]), $user[0]);
}
return $users;
}
/**
* Writes the current data to the database
* @return boolean Query result
*/
public function write_to_db()
{
if (self::debug > 0) {
error_log('learnpathItem::write_to_db()', 0);
}
// Check the session visibility.
if (!api_is_allowed_to_session_edit()) {
if (self::debug > 0) {
error_log('return false api_is_allowed_to_session_edit');
}
return false;
}
$course_id = api_get_course_int_id();
$mode = $this->get_lesson_mode();
$credit = $this->get_credit();
$item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
$sql_verified = 'SELECT status FROM ' . $item_view_table . '
WHERE c_id = ' . $course_id . ' AND lp_item_id="' . $this->db_id . '" AND lp_view_id="' . $this->view_id . '" AND view_count="' . $this->get_attempt_id() . '" ;';
$rs_verified = Database::query($sql_verified);
$row_verified = Database::fetch_array($rs_verified);
$my_case_completed = array('completed', 'passed', 'browsed', 'failed');
$save = true;
if (isset($row_verified) && isset($row_verified['status'])) {
if (in_array($row_verified['status'], $my_case_completed)) {
$save = false;
}
}
if (($save === false && $this->type == 'sco' || $this->type == 'sco' && ($credit == 'no-credit' or $mode == 'review' or $mode == 'browse')) && ($this->seriousgame_mode != 1 && $this->type == 'sco')) {
if (self::debug > 1) {
error_log("This info shouldn't be saved as the credit or lesson mode info prevent it");
error_log('learnpathItem::write_to_db() - credit(' . $credit . ') or lesson_mode(' . $mode . ') prevent recording!', 0);
}
} else {
// Check the row exists.
$inserted = false;
// This a special case for multiple attempts and Chamilo exercises.
if ($this->type == 'quiz' && $this->get_prevent_reinit() == 0 && $this->get_status() == 'completed') {
// We force the item to be restarted.
$this->restart();
$sql = "INSERT INTO {$item_view_table} " . "(c_id, total_time, " . "start_time, " . "score, " . "status, " . "max_score, " . "lp_item_id, " . "lp_view_id, " . "view_count, " . "suspend_data, " . "lesson_location)" . "VALUES" . "({$course_id}, " . $this->get_total_time() . "," . "" . $this->current_start_time . "," . "" . $this->get_score() . "," . "'" . $this->get_status(false) . "'," . "'" . $this->get_max() . "'," . "" . $this->db_id . "," . "" . $this->view_id . "," . "" . $this->get_attempt_id() . "," . "'" . Database::escape_string($this->current_data) . "'," . "'" . $this->lesson_location . "')";
if (self::debug > 2) {
error_log('learnpathItem::write_to_db() - Inserting into item_view forced: ' . $sql, 0);
}
$res = Database::query($sql);
$this->db_item_view_id = Database::insert_id();
$inserted = true;
}
$check_attempts = self::check_attempts($this->get_attempt_id());
if (!$check_attempts) {
return false;
}
$item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
$check = "SELECT * FROM {$item_view_table}\n WHERE\n c_id = {$course_id} AND\n lp_item_id = " . $this->db_id . " AND\n lp_view_id = " . $this->view_id . " AND\n view_count = " . $this->get_attempt_id();
if (self::debug > 2) {
error_log('learnpathItem::write_to_db() - Querying item_view: ' . $check, 0);
}
$check_res = Database::query($check);
// Depending on what we want (really), we'll update or insert a new row
// now save into DB.
$res = 0;
if (!$inserted && Database::num_rows($check_res) < 1) {
$sql = "INSERT INTO {$item_view_table} " . "(c_id, total_time, " . "start_time, " . "score, " . "status, " . "max_score, " . "lp_item_id, " . "lp_view_id, " . "view_count, " . "suspend_data, " . "lesson_location)" . "VALUES" . "({$course_id}, " . $this->get_total_time() . "," . "" . $this->current_start_time . "," . "" . $this->get_score() . "," . "'" . $this->get_status(false) . "'," . "'" . $this->get_max() . "'," . "" . $this->db_id . "," . "" . $this->view_id . "," . "" . $this->get_attempt_id() . "," . "'" . Database::escape_string($this->current_data) . "'," . "'" . $this->lesson_location . "')";
if (self::debug > 2) {
error_log('learnpathItem::write_to_db() - Inserting into item_view: ' . $sql, 0);
}
$res = Database::query($sql);
$this->db_item_view_id = Database::insert_id();
} else {
$sql = '';
if ($this->type == 'hotpotatoes') {
$sql = "UPDATE {$item_view_table} " . "SET total_time = " . $this->get_total_time() . ", " . " start_time = " . $this->get_current_start_time() . ", " . " score = " . $this->get_score() . ", " . " status = '" . $this->get_status(false) . "'," . " max_score = '" . $this->get_max() . "'," . " suspend_data = '" . Database::escape_string($this->current_data) . "'," . " lesson_location = '" . $this->lesson_location . "' " . "WHERE c_id = {$course_id} AND lp_item_id = " . $this->db_id . " " . "AND lp_view_id = " . $this->view_id . " " . "AND view_count = " . $this->get_attempt_id();
} else {
// For all other content types...
if ($this->type == 'quiz') {
$my_status = ' ';
$total_time = ' ';
if (!empty($_REQUEST['exeId'])) {
$TBL_TRACK_EXERCICES = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$safe_exe_id = Database::escape_string($_REQUEST['exeId']);
$sql = 'SELECT start_date,exe_date FROM ' . $TBL_TRACK_EXERCICES . ' WHERE exe_id = ' . (int) $safe_exe_id;
$res = Database::query($sql);
$row_dates = Database::fetch_array($res);
$time_start_date = api_convert_sql_date($row_dates['start_date']);
$time_exe_date = api_convert_sql_date($row_dates['exe_date']);
$mytime = (int) $time_exe_date - (int) $time_start_date;
$total_time = " total_time = " . $mytime . ", ";
}
} else {
$my_type_lp = learnpath::get_type_static($this->lp_id);
// This is a array containing values finished
$case_completed = array('completed', 'passed', 'browsed', 'failed');
//is not multiple attempts
if ($this->seriousgame_mode == 1 && $this->type == 'sco') {
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} elseif ($this->get_prevent_reinit() == 1) {
// Process of status verified into data base.
$sql_verified = 'SELECT status FROM ' . $item_view_table . '
WHERE c_id = ' . $course_id . ' AND lp_item_id = "' . $this->db_id . '" AND lp_view_id="' . $this->view_id . '" AND view_count="' . $this->get_attempt_id() . '" ;';
$rs_verified = Database::query($sql_verified);
$row_verified = Database::fetch_array($rs_verified);
// Get type lp: 1=lp dokeos and 2=scorm.
// If not is completed or passed or browsed and learning path is scorm.
if (!in_array($this->get_status(false), $case_completed) && $my_type_lp == 2) {
//&& $this->type!='dir'
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} else {
// Verified into data base.
if (!in_array($row_verified['status'], $case_completed) && $my_type_lp == 2) {
//&& $this->type!='dir'
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} elseif (in_array($row_verified['status'], $case_completed) && $my_type_lp == 2 && $this->type != 'sco') {
//&& $this->type!='dir'
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} else {
//&& !in_array($row_verified['status'], $case_completed)
//is lp dokeos
if ($my_type_lp == 1 && $this->type != 'chapter') {
$total_time = " total_time = total_time + " . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
}
}
}
} else {
// Multiple attempts are allowed.
if (in_array($this->get_status(false), $case_completed) && $my_type_lp == 2) {
// Reset zero new attempt ?
$my_status = " status = '" . $this->get_status(false) . "' ,";
} elseif (!in_array($this->get_status(false), $case_completed) && $my_type_lp == 2) {
$total_time = " total_time = " . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
} else {
// It is dokeos LP.
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
$my_status = " status = '" . $this->get_status(false) . "' ,";
}
// Code added by Isaac Flores.
// This code line fixes the problem of wrong status.
if ($my_type_lp == 2) {
// Verify current status in multiples attempts.
$sql_status = 'SELECT status FROM ' . $item_view_table . '
WHERE c_id = ' . $course_id . ' AND lp_item_id="' . $this->db_id . '" AND lp_view_id="' . $this->view_id . '" AND view_count="' . $this->get_attempt_id() . '" ';
$rs_status = Database::query($sql_status);
$current_status = Database::result($rs_status, 0, 'status');
if (in_array($current_status, $case_completed)) {
$my_status = '';
$total_time = '';
} else {
$total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
}
}
}
}
if ($this->type == 'sco') {
//IF scorm scorm_update_time has already updated total_tim in db
$sql = "UPDATE {$item_view_table} " . " SET " . " score = " . $this->get_score() . ", " . $my_status . " max_score = '" . $this->get_max() . "'," . " suspend_data = '" . Database::escape_string($this->current_data) . "'," . " lesson_location = '" . $this->lesson_location . "' " . "WHERE c_id = {$course_id} AND lp_item_id = " . $this->db_id . " " . "AND lp_view_id = " . $this->view_id . " " . "AND view_count = " . $this->get_attempt_id();
} else {
$sql = "UPDATE {$item_view_table} " . "SET " . $total_time . " start_time = " . $this->get_current_start_time() . ", " . " score = " . $this->get_score() . ", " . $my_status . " max_score = '" . $this->get_max() . "'," . " suspend_data = '" . Database::escape_string($this->current_data) . "'," . " lesson_location = '" . $this->lesson_location . "' " . "WHERE c_id = {$course_id} AND lp_item_id = " . $this->db_id . " " . "AND lp_view_id = " . $this->view_id . " " . "AND view_count = " . $this->get_attempt_id();
}
$this->current_start_time = time();
}
if (self::debug > 2) {
error_log('learnpathItem::write_to_db() - Updating item_view: ' . $sql, 0);
}
$res = Database::query($sql);
}
if (is_array($this->interactions) && count($this->interactions) > 0) {
// Save interactions.
$tbl = Database::get_course_table(TABLE_LP_ITEM_VIEW);
$sql = "SELECT id FROM {$tbl} " . "WHERE c_id = {$course_id} AND lp_item_id = " . $this->db_id . " " . "AND lp_view_id = " . $this->view_id . " " . "AND view_count = " . $this->get_attempt_id();
$res = Database::query($sql);
if (Database::num_rows($res) > 0) {
$row = Database::fetch_array($res);
$lp_iv_id = $row[0];
if (self::debug > 2) {
error_log('learnpathItem::write_to_db() - Got item_view_id ' . $lp_iv_id . ', now checking interactions ', 0);
}
foreach ($this->interactions as $index => $interaction) {
$correct_resp = '';
if (is_array($interaction[4]) && !empty($interaction[4][0])) {
foreach ($interaction[4] as $resp) {
$correct_resp .= $resp . ',';
}
$correct_resp = substr($correct_resp, 0, strlen($correct_resp) - 1);
}
$iva_table = Database::get_course_table(TABLE_LP_IV_INTERACTION);
$iva_sql = "SELECT id FROM {$iva_table} " . "WHERE c_id = {$course_id} AND lp_iv_id = {$lp_iv_id} " . "AND (order_id = {$index} " . "OR interaction_id = '" . Database::escape_string($interaction[0]) . "')";
$iva_res = Database::query($iva_sql);
// id(0), type(1), time(2), weighting(3), correct_responses(4), student_response(5), result(6), latency(7)
if (Database::num_rows($iva_res) > 0) {
// Update (or don't).
$iva_row = Database::fetch_array($iva_res);
$iva_id = $iva_row[0];
$ivau_sql = "UPDATE {$iva_table} " . "SET interaction_id = '" . Database::escape_string($interaction[0]) . "'," . "interaction_type = '" . Database::escape_string($interaction[1]) . "'," . "weighting = '" . Database::escape_string($interaction[3]) . "'," . "completion_time = '" . Database::escape_string($interaction[2]) . "'," . "correct_responses = '" . Database::escape_string($correct_resp) . "'," . "student_response = '" . Database::escape_string($interaction[5]) . "'," . "result = '" . Database::escape_string($interaction[6]) . "'," . "latency = '" . Database::escape_string($interaction[7]) . "'" . "WHERE c_id = {$course_id} AND id = {$iva_id}";
Database::query($ivau_sql);
} else {
// Insert new one.
$ivai_sql = "INSERT INTO {$iva_table} (c_id, order_id, lp_iv_id, interaction_id, interaction_type, " . "weighting, completion_time, correct_responses, " . "student_response, result, latency)" . "VALUES" . "({$course_id}, " . $index . "," . $lp_iv_id . ",'" . Database::escape_string($interaction[0]) . "','" . Database::escape_string($interaction[1]) . "'," . "'" . Database::escape_string($interaction[3]) . "','" . Database::escape_string($interaction[2]) . "','" . Database::escape_string($correct_resp) . "'," . "'" . Database::escape_string($interaction[5]) . "','" . Database::escape_string($interaction[6]) . "','" . Database::escape_string($interaction[7]) . "'" . ")";
Database::query($ivai_sql);
}
}
}
}
}
if (self::debug > 2) {
error_log('End of learnpathItem::write_to_db()', 0);
}
return true;
}
/**
* Returns the "what's new" icon notifications
*
* The general logic of this function is to track the last time the user
* entered the course and compare to what has changed inside this course
* since then, based on the item_property table inside this course. Note that,
* if the user never entered the course before, he will not see notification
* icons. This function takes session ID into account (if any) and only shows
* the corresponding notifications.
* @param array Course information array, containing at least elements 'db' and 'k'
* @return string The HTML link to be shown next to the course
*/
public static function show_notification($course_info)
{
$t_track_e_access = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LASTACCESS);
$user_id = api_get_user_id();
$course_tool_table = Database::get_course_table(TABLE_TOOL_LIST);
$tool_edit_table = Database::get_course_table(TABLE_ITEM_PROPERTY);
$course_code = Database::escape_string($course_info['code']);
$course_id = $course_info['real_id'];
$course_info['id_session'] = intval($course_info['id_session']);
// Get the user's last access dates to all tools of this course
//$sqlLastTrackInCourse = "SELECT * FROM $t_track_e_access USE INDEX (c_id, access_user_id)
$sqlLastTrackInCourse = "SELECT * FROM {$t_track_e_access}\n WHERE c_id = " . $course_id . " AND\n access_user_id = '{$user_id}' AND\n access_session_id ='" . $course_info['id_session'] . "'";
$resLastTrackInCourse = Database::query($sqlLastTrackInCourse);
$oldestTrackDate = $oldestTrackDateOrig = '3000-01-01 00:00:00';
while ($lastTrackInCourse = Database::fetch_array($resLastTrackInCourse)) {
$lastTrackInCourseDate[$lastTrackInCourse['access_tool']] = $lastTrackInCourse['access_date'];
if ($oldestTrackDate > $lastTrackInCourse['access_date']) {
$oldestTrackDate = $lastTrackInCourse['access_date'];
}
}
if ($oldestTrackDate == $oldestTrackDateOrig) {
//if there was no connexion to the course ever, then take the
// course creation date as a reference
$course_table = Database::get_main_table(TABLE_MAIN_COURSE);
$sql = "SELECT course.creation_date " . "FROM {$course_table} course " . "WHERE course.code = '" . $course_code . "'";
$res = Database::query($sql);
if ($res && Database::num_rows($res) > 0) {
$row = Database::fetch_array($res);
}
$oldestTrackDate = $row['creation_date'];
}
// Get the last edits of all tools of this course.
$sql = "SELECT tet.*, tet.lastedit_date last_date, tet.tool tool, tet.ref ref, " . " tet.lastedit_type type, tet.to_group_id group_id, " . " ctt.image image, ctt.link link " . " FROM {$tool_edit_table} tet, {$course_tool_table} ctt " . " WHERE tet.c_id = {$course_id} AND\n \t\tctt.c_id = {$course_id} AND\n \t\ttet.lastedit_date > '{$oldestTrackDate}' " . " AND ctt.name = tet.tool " . " AND ctt.visibility = '1' " . " AND tet.lastedit_user_id != {$user_id} AND tet.id_session = '" . $course_info['id_session'] . "' " . " ORDER BY tet.lastedit_date";
$res = Database::query($sql);
// Get the group_id's with user membership.
$group_ids = GroupManager::get_group_ids($course_info['real_id'], $user_id);
$group_ids[] = 0;
//add group 'everyone'
$notifications = array();
// Filter all last edits of all tools of the course
while ($res && ($item_property = Database::fetch_array($res))) {
// First thing to check is if the user never entered the tool
// or if his last visit was earlier than the last modification.
if ((!isset($lastTrackInCourseDate[$item_property['tool']]) || $lastTrackInCourseDate[$item_property['tool']] < $item_property['lastedit_date']) && (in_array($item_property['to_group_id'], $group_ids) && ($item_property['tool'] != TOOL_DROPBOX && $item_property['tool'] != TOOL_NOTEBOOK && $item_property['tool'] != TOOL_CHAT)) && ($item_property['visibility'] == '1' || $course_info['status'] == '1' && $item_property['visibility'] == '0' || !isset($item_property['visibility']))) {
// Also drop announcements and events that are not for the user or his group.
if (($item_property['tool'] == TOOL_ANNOUNCEMENT || $item_property['tool'] == TOOL_CALENDAR_EVENT) && ($item_property['to_user_id'] != $user_id && (!isset($item_property['to_group_id']) || !in_array($item_property['to_group_id'], $group_ids)))) {
continue;
}
// If it's a survey, make sure the user's invited. Otherwise drop it.
if ($item_property['tool'] == TOOL_SURVEY) {
$survey_info = survey_manager::get_survey($item_property['ref'], 0, $course_code);
if ($survey_info) {
$invited_users = SurveyUtil::get_invited_users($survey_info['code'], $course_code);
if (!in_array($user_id, $invited_users['course_users'])) {
continue;
}
}
}
// If it's a learning path, ensure it is currently visible to the user
if ($item_property['tool'] == TOOL_LEARNPATH) {
require_once api_get_path(SYS_CODE_PATH) . 'newscorm/learnpath.class.php';
if (!learnpath::is_lp_visible_for_student($item_property['ref'], $user_id, $course_code)) {
continue;
}
}
$notifications[$item_property['tool']] = $item_property;
}
}
// Show all tool icons where there is something new.
$retvalue = ' ';
while (list($key, $notification) = each($notifications)) {
$lastDate = date('d/m/Y H:i', api_convert_sql_date($notification['lastedit_date']));
$type = $notification['lastedit_type'];
if (empty($course_info['id_session'])) {
$my_course['id_session'] = 0;
} else {
$my_course['id_session'] = $course_info['id_session'];
}
$label = get_lang('TitleNotification') . ": " . get_lang($type) . " ({$lastDate})";
$retvalue .= '<a href="' . api_get_path(WEB_CODE_PATH) . $notification['link'] . '?cidReq=' . $course_code . '&ref=' . $notification['ref'] . '&gidReq=' . $notification['to_group_id'] . '&id_session=' . $my_course['id_session'] . '">' . Display::return_icon($notification['image'], $label) . '</a> ';
}
return $retvalue;
}