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- <?php
- /* For licensing terms, see /license.txt */
- /**
- * Class SessionManager
- *
- * This is the session library for Chamilo.
- * All main sessions functions should be placed here.
- * This class provides methods for sessions management.
- * Include/require it in your code to use its features.
- *
- * @package chamilo.library
- *
- */
- class SessionManager
- {
- public static $_debug = false;
- /**
- *
- */
- public function __construct()
- {
- }
- /**
- * Fetches a session from the database
- * @param int Session ID
- * @return array Session details
- */
- public static function fetch($id)
- {
- $t = Database::get_main_table(TABLE_MAIN_SESSION);
- if ($id != strval(intval($id))) {
- return array();
- }
- $s = "SELECT * FROM $t WHERE id = $id";
- $r = Database::query($s);
- if (Database::num_rows($r) != 1) {
- return array();
- }
- return Database::fetch_array($r, 'ASSOC');
- }
- /**
- * Create a session
- * @author Carlos Vargas <carlos.vargas@beeznest.com>, from existing code
- * @param string name
- * @param integer Start year (yyyy)
- * @param integer Start month (mm)
- * @param integer Start day (dd)
- * @param integer End year (yyyy)
- * @param integer End month (mm)
- * @param integer End day (dd)
- * @param integer Number of days that the coach can access the session before the start date
- * @param integer Number of days that the coach can access the session after the end date
- * @param integer If 1, means there are no date limits
- * @param mixed If integer, this is the session coach id, if string, the coach ID will be looked for from the user table
- * @param integer ID of the session category in which this session is registered
- * @param integer Visibility after end date (0 = read-only, 1 = invisible, 2 = accessible)
- * @param string Start limit = true if the start date has to be considered
- * @param string End limit = true if the end date has to be considered
- * @param string $fix_name
- * @todo use an array to replace all this parameters or use the model.lib.php ...
- * @return mixed Session ID on success, error message otherwise
- * */
- public static function create_session(
- $sname,
- $syear_start,
- $smonth_start,
- $sday_start,
- $syear_end,
- $smonth_end,
- $sday_end,
- $snb_days_acess_before,
- $snb_days_acess_after,
- $nolimit,
- $coach_username,
- $id_session_category,
- $id_visibility,
- $start_limit = true,
- $end_limit = true,
- $fix_name = false,
- $duration = null
- ) {
- global $_configuration;
- //Check portal limits
- $access_url_id = 1;
- if (api_get_multiple_access_url()) {
- $access_url_id = api_get_current_access_url_id();
- }
- if (is_array($_configuration[$access_url_id]) &&
- isset($_configuration[$access_url_id]['hosting_limit_sessions']) &&
- $_configuration[$access_url_id]['hosting_limit_sessions'] > 0
- ) {
- $num = self::count_sessions();
- if ($num >= $_configuration[$access_url_id]['hosting_limit_sessions']) {
- api_warn_hosting_contact('hosting_limit_sessions');
- return get_lang('PortalSessionsLimitReached');
- }
- }
- $name = Database::escape_string(trim($sname));
- $year_start = intval($syear_start);
- $month_start = intval($smonth_start);
- $day_start = intval($sday_start);
- $year_end = intval($syear_end);
- $month_end = intval($smonth_end);
- $day_end = intval($sday_end);
- $nb_days_acess_before = intval($snb_days_acess_before);
- $nb_days_acess_after = intval($snb_days_acess_after);
- $id_session_category = intval($id_session_category);
- $id_visibility = intval($id_visibility);
- $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
- $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
- if (is_int($coach_username)) {
- $id_coach = $coach_username;
- } else {
- $sql = 'SELECT user_id FROM ' . $tbl_user . ' WHERE username="' . Database::escape_string($coach_username) . '"';
- $rs = Database::query($sql);
- $id_coach = Database::result($rs, 0, 'user_id');
- }
- if (empty($nolimit)) {
- $date_start = "$year_start-" . (($month_start < 10) ? "0$month_start" : $month_start) . "-" . (($day_start < 10) ? "0$day_start" : $day_start);
- $date_end = "$year_end-" . (($month_end < 10) ? "0$month_end" : $month_end) . "-" . (($day_end < 10) ? "0$day_end" : $day_end);
- } else {
- $id_visibility = 1; // by default session visibility is read only
- $date_start = "0000-00-00";
- $date_end = "0000-00-00";
- }
- if (empty($end_limit)) {
- $date_end = "0000-00-00";
- $id_visibility = 1; // by default session visibility is read only
- }
- if (empty($start_limit)) {
- $date_start = "0000-00-00";
- }
- if (empty($name)) {
- $msg = get_lang('SessionNameIsRequired');
- return $msg;
- } elseif (empty($coach_username)) {
- $msg = get_lang('CoachIsRequired');
- return $msg;
- } elseif (!empty($start_limit) && empty($nolimit) && (!$month_start || !$day_start || !$year_start || !checkdate($month_start, $day_start, $year_start))) {
- $msg = get_lang('InvalidStartDate');
- return $msg;
- } elseif (!empty($end_limit) && empty($nolimit) && (!$month_end || !$day_end || !$year_end || !checkdate($month_end, $day_end, $year_end))) {
- $msg = get_lang('InvalidEndDate');
- return $msg;
- } elseif (!empty($start_limit) && !empty($end_limit) && empty($nolimit) && $date_start >= $date_end) {
- $msg = get_lang('StartDateShouldBeBeforeEndDate');
- return $msg;
- } else {
- $ready_to_create = false;
- if ($fix_name) {
- $name = self::generate_nice_next_session_name($name);
- if ($name) {
- $ready_to_create = true;
- } else {
- $msg = get_lang('SessionNameAlreadyExists');
- return $msg;
- }
- } else {
- $rs = Database::query("SELECT 1 FROM $tbl_session WHERE name='" . $name . "'");
- if (Database::num_rows($rs)) {
- $msg = get_lang('SessionNameAlreadyExists');
- return $msg;
- }
- $ready_to_create = true;
- }
- if ($ready_to_create) {
- $sql = "INSERT INTO $tbl_session(name,date_start,date_end,id_coach,session_admin_id, nb_days_access_before_beginning, nb_days_access_after_end, session_category_id,visibility)
- VALUES('" . $name . "','$date_start','$date_end','$id_coach'," . api_get_user_id() . "," . $nb_days_acess_before . ", " . $nb_days_acess_after . ", " . $id_session_category . ", " . $id_visibility . ")";
- Database::query($sql);
- $session_id = Database::insert_id();
- if (self::durationPerUserIsEnabled()) {
- $duration = intval($duration);
- if (empty($duration)) {
- $duration = null;
- } else {
- $sql = "UPDATE $tbl_session SET
- date_start = '0000-00-00',
- date_end = '0000-00-00'
- WHERE id = $session_id";
- Database::query($sql);
- }
- $sql = "UPDATE $tbl_session
- SET duration = '$duration'
- WHERE id = $session_id";
- Database::query($sql);
- }
- if (!empty($session_id)) {
- /*
- Sends a message to the user_id = 1
- $user_info = api_get_user_info(1);
- $complete_name = $user_info['firstname'].' '.$user_info['lastname'];
- $subject = api_get_setting('siteName').' - '.get_lang('ANewSessionWasCreated');
- $message = get_lang('ANewSessionWasCreated')." <br /> ".get_lang('NameOfTheSession').' : '.$name;
- api_mail_html($complete_name, $user_info['email'], $subject, $message);
- *
- */
- //Adding to the correct URL
- $access_url_id = api_get_current_access_url_id();
- UrlManager::add_session_to_url($session_id, $access_url_id);
- // add event to system log
- $user_id = api_get_user_id();
- event_system(LOG_SESSION_CREATE, LOG_SESSION_ID, $session_id, api_get_utc_datetime(), $user_id);
- }
- return $session_id;
- }
- }
- }
- /**
- * @param string $name
- * @return bool
- */
- public static function session_name_exists($name)
- {
- $name = Database::escape_string($name);
- $sql = "SELECT COUNT(*) as count FROM " . Database::get_main_table(TABLE_MAIN_SESSION) . "
- WHERE name = '$name'";
- $result = Database::fetch_array(Database::query($sql));
- return $result['count'] > 0;
- }
- /**
- * @param string $where_condition
- * @return mixed
- */
- public static function get_count_admin($where_condition = null)
- {
- $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
- $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
- $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
- $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
- $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
- $where = 'WHERE 1=1 ';
- $user_id = api_get_user_id();
- $extraJoin = null;
- if (api_is_session_admin() &&
- api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false'
- ) {
- $where .= " AND (
- s.session_admin_id = $user_id OR
- sru.id_user = '$user_id' AND
- sru.relation_type = '" . SESSION_RELATION_TYPE_RRHH . "'
- )
- ";
- $extraJoin = " INNER JOIN $tbl_session_rel_user sru
- ON sru.id_session = s.id ";
- }
- $today = api_get_utc_datetime();
- $today = api_strtotime($today, 'UTC');
- $today = date('Y-m-d', $today);
- if (!empty($where_condition)) {
- $where_condition = str_replace("( session_active = ':' )", '1=1', $where_condition);
- $where_condition = str_replace('category_name', 'sc.name', $where_condition);
- $where_condition = str_replace(
- array("AND session_active = '1' )", " AND ( session_active = '1' )"),
- array(') GROUP BY s.name HAVING session_active = 1 ', " GROUP BY s.name HAVING session_active = 1 " )
- , $where_condition
- );
- $where_condition = str_replace(
- array("AND session_active = '0' )", " AND ( session_active = '0' )"),
- array(') GROUP BY s.name HAVING session_active = 0 ', " GROUP BY s.name HAVING session_active = '0' "),
- $where_condition
- );
- } else {
- $where_condition = " AND 1 = 1";
- }
- $courseCondition = null;
- if (strpos($where_condition, 'c.id')) {
- $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
- $tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);
- $courseCondition = " INNER JOIN $table course_rel_session ON (s.id = course_rel_session.id_session)
- INNER JOIN $tableCourse c ON (course_rel_session.course_code = c.code)
- ";
- }
- $sql = "SELECT COUNT(id) as total_rows FROM (
- SELECT DISTINCT
- IF (
- (s.date_start <= '$today' AND '$today' <= s.date_end) OR
- (s.nb_days_access_before_beginning > 0 AND DATEDIFF(s.date_start, '$today') <= s.nb_days_access_before_beginning) OR
- (s.nb_days_access_after_end > 0 AND DATEDIFF('$today',s.date_end) <= s.nb_days_access_after_end) OR
- (s.date_start = '0000-00-00' AND s.date_end = '0000-00-00' ) OR
- (s.date_start <= '$today' AND '0000-00-00' = s.date_end) OR
- ('$today' <= s.date_end AND '0000-00-00' = s.date_start)
- , 1, 0) as session_active,
- s.id
- FROM $tbl_session s
- LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
- INNER JOIN $tbl_user u ON s.id_coach = u.user_id
- $courseCondition
- $extraJoin
- $where $where_condition ) as session_table";
- if (api_is_multiple_url_enabled()) {
- $access_url_id = api_get_current_access_url_id();
- if ($access_url_id != -1) {
- $where.= " AND ar.access_url_id = $access_url_id ";
- $sql = "SELECT count(id) as total_rows FROM (
- SELECT DISTINCT
- IF (
- (s.date_start <= '$today' AND '$today' <= s.date_end) OR
- (s.nb_days_access_before_beginning > 0 AND DATEDIFF(s.date_start, '$today') <= s.nb_days_access_before_beginning) OR
- (s.nb_days_access_after_end > 0 AND DATEDIFF('$today',s.date_end) <= s.nb_days_access_after_end) OR
- (s.date_start = '0000-00-00' AND s.date_end = '0000-00-00' ) OR
- (s.date_start <= '$today' AND '0000-00-00' = s.date_end) OR
- ('$today' <= s.date_end AND '0000-00-00' = s.date_start)
- , 1, 0)
- as session_active,
- s.id
- FROM $tbl_session s
- LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
- INNER JOIN $tbl_user u ON s.id_coach = u.user_id
- INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id
- $courseCondition
- $extraJoin
- $where $where_condition) as session_table";
- }
- }
- $result_rows = Database::query($sql);
- $row = Database::fetch_array($result_rows);
- $num = $row['total_rows'];
- return $num;
- }
- /**
- * Gets the admin session list callback of the admin/session_list.php page
- * @param array $options order and limit keys
- * @return array
- */
- public static function get_sessions_admin($options)
- {
- $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
- $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
- $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
- $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
- $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
- $where = ' WHERE 1=1 ';
- $user_id = api_get_user_id();
- $extraJoin = null;
- if (api_is_session_admin() &&
- api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false'
- ) {
- $where .= " AND (
- s.session_admin_id = $user_id OR
- sru.id_user = '$user_id' AND
- sru.relation_type = '" . SESSION_RELATION_TYPE_RRHH . "'
- )
- ";
- $extraJoin = " INNER JOIN $tbl_session_rel_user sru
- ON sru.id_session = s.id ";
- }
- if (api_is_allowed_to_edit() && !api_is_platform_admin()) {
- $where.=" AND s.id_coach = $user_id ";
- }
- $coach_name = " CONCAT(u.lastname , ' ', u.firstname) as coach_name ";
- if (api_is_western_name_order()) {
- $coach_name = " CONCAT(u.firstname, ' ', u.lastname) as coach_name ";
- }
- $options['where'] = str_replace(
- array("AND session_active = '1' )", " AND ( session_active = '1' )"),
- array(') GROUP BY s.name HAVING session_active = 1 ', " GROUP BY s.name HAVING session_active = 1 ")
- , $options['where']
- );
- $options['where'] = str_replace("( session_active = ':' )", '1=1', $options['where']);
- $options['where'] = str_replace(
- array("AND session_active = '0' )", " AND ( session_active = '0' )"),
- array(') GROUP BY s.name HAVING session_active = 0 ', " GROUP BY s.name HAVING session_active = '0' "),
- $options['where']
- );
- $today = api_get_utc_datetime();
- $today = api_strtotime($today, 'UTC');
- $today = date('Y-m-d', $today);
- $courseCondition = null;
- if (strpos($options['where'], 'c.id')) {
- $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
- $tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);
- $courseCondition = " INNER JOIN $table course_rel_session ON (s.id = course_rel_session.id_session)
- INNER JOIN $tableCourse c ON (course_rel_session.course_code = c.code)
- ";
- }
- $select = "SELECT * FROM (SELECT
- IF (
- (s.date_start <= '$today' AND '$today' <= s.date_end) OR
- (s.nb_days_access_before_beginning > 0 AND DATEDIFF(s.date_start,'" . $today . "' " . ") <= s.nb_days_access_before_beginning) OR
- (s.nb_days_access_after_end > 0 AND DATEDIFF('" . $today . "',s.date_end) <= s.nb_days_access_after_end) OR
- (s.date_start = '0000-00-00' AND s.date_end = '0000-00-00' ) OR
- (s.date_start <= '$today' AND '0000-00-00' = s.date_end) OR
- ('$today' <= s.date_end AND '0000-00-00' = s.date_start)
- , 1, 0)
- as session_active,
- s.name,
- nbr_courses,
- s.nbr_users,
- s.date_start,
- s.date_end,
- $coach_name,
- sc.name as category_name,
- s.visibility,
- u.user_id,
- s.id";
- $limit = null;
- if (!empty($options['limit'])) {
- $limit = " LIMIT " . $options['limit'];
- }
- if (!empty($options['where'])) {
- $where .= ' '.$options['where'];
- }
- $order = null;
- if (!empty($options['order'])) {
- $order = " ORDER BY " . $options['order'];
- }
- $query = "$select FROM $tbl_session s
- LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
- LEFT JOIN $tbl_user u ON s.id_coach = u.user_id
- $courseCondition
- $extraJoin
- $where $order $limit";
- if (api_is_multiple_url_enabled()) {
- $access_url_id = api_get_current_access_url_id();
- if ($access_url_id != -1) {
- $query = " $select
- FROM $tbl_session s
- LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
- LEFT JOIN $tbl_user u ON s.id_coach = u.user_id
- INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id AND ar.access_url_id = $access_url_id
- $courseCondition
- $extraJoin
- $where $order $limit";
- }
- }
- $query .= ") AS session_table";
- $result = Database::query($query);
- $formatted_sessions = array();
- if (Database::num_rows($result)) {
- $sessions = Database::store_result($result);
- foreach ($sessions as $session) {
- $session['name'] = Display::url($session['name'], "resume_session.php?id_session=" . $session['id']);
- $session['coach_name'] = Display::url($session['coach_name'], "user_information.php?user_id=" . $session['user_id']);
- if ($session['date_start'] == '0000-00-00' && $session['date_end'] == '0000-00-00') {
- // $session['session_active'] = 1;
- }
- if ($session['session_active'] == 1) {
- $session['session_active'] = Display::return_icon('accept.png', get_lang('Active'), array(), ICON_SIZE_SMALL);
- } else {
- $session['session_active'] = Display::return_icon('error.png', get_lang('Inactive'), array(), ICON_SIZE_SMALL);
- }
- if ($session['date_start'] == '0000-00-00') {
- $session['date_start'] = '';
- }
- if ($session['date_end'] == '0000-00-00') {
- $session['date_end'] = '';
- }
- switch ($session['visibility']) {
- case SESSION_VISIBLE_READ_ONLY: //1
- $session['visibility'] = get_lang('SessionReadOnly');
- break;
- case SESSION_VISIBLE: //2
- $session['visibility'] = get_lang('SessionAccessible');
- break;
- case SESSION_INVISIBLE: //3
- $session['visibility'] = api_ucfirst(get_lang('SessionNotAccessible'));
- break;
- }
- $formatted_sessions[] = $session;
- }
- }
- return $formatted_sessions;
- }
- /**
- * Get total of records for progress of learning paths in the given session
- * @param int session id
- * @return int
- */
- public static function get_count_session_lp_progress($sessionId = 0)
- {
- $tbl_lp = Database::get_course_table(TABLE_LP_MAIN);
- $tbl_lp_view = Database::get_course_table(TABLE_LP_VIEW);
- $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
- $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
- $sql = "select count(*) as total_rows
- FROM $tbl_lp_view v
- INNER JOIN $tbl_lp l ON l.id = v.lp_id
- INNER JOIN $tbl_user u ON u.user_id = v.user_id
- INNER JOIN $tbl_course c";
- $sql .= ' WHERE v.session_id = ' . $sessionId;
- $result_rows = Database::query($sql);
- $row = Database::fetch_array($result_rows);
- $num = $row['total_rows'];
- return $num;
- }
- /**
- * Gets the progress of learning paths in the given session
- * @param int session id
- * @param array options order and limit keys
- * @return array table with user name, lp name, progress
- */
- public static function get_session_lp_progress($sessionId = 0, $courseId = 0, $date_from, $date_to, $options)
- {
- //escaping vars
- $sessionId = $sessionId == 'T' ? 'T' : intval($sessionId);
- $courseId = intval($courseId);
- $date_from = Database :: escape_string($date_from);
- $date_to = Database :: escape_string($date_to);
- //tables
- $session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $user = Database::get_main_table(TABLE_MAIN_USER);
- $tbl_course_lp_view = Database::get_course_table(TABLE_LP_VIEW);
- $course = api_get_course_info_by_id($courseId);
- //getting all the students of the course
- //we are not using this because it only returns user ids
- /* if (empty($sessionId)
- {
- // Registered students in a course outside session.
- $users = CourseManager :: get_student_list_from_course_code($course_code);
- } else {
- // Registered students in session.
- $users = CourseManager :: get_student_list_from_course_code($course_code, true, $sessionId);
- } */
- $sessionCond = 'and id_session = %s';
- if ($sessionId == 'T') {
- $sessionCond = "";
- }
- $where = " WHERE course_code = '%s'
- AND s.status <> 2 $sessionCond";
- $limit = null;
- if (!empty($options['limit'])) {
- $limit = " LIMIT " . $options['limit'];
- }
- if (!empty($options['where'])) {
- $where .= ' '.$options['where'];
- }
- $order = null;
- if (!empty($options['order'])) {
- $order = " ORDER BY " . $options['order'];
- }
- $sql = "SELECT u.user_id, u.lastname, u.firstname, u.username, u.email, s.course_code
- FROM $session_course_user s
- INNER JOIN $user u ON u.user_id = s.id_user
- $where $order $limit";
- $sql_query = sprintf($sql, Database::escape_string($course['code']), $sessionId);
- $rs = Database::query($sql_query);
- while ($user = Database::fetch_array($rs)) {
- $users[$user['user_id']] = $user;
- }
- //Get lessons
- require_once api_get_path(SYS_CODE_PATH) . 'newscorm/learnpathList.class.php';
- $lessons = LearnpathList::get_course_lessons($course['code'], $sessionId);
- $table = array();
- foreach ($users as $user) {
- $data = array(
- 'lastname' => $user[1],
- 'firstname' => $user[2],
- 'username' => $user[3],
- );
- $sessionCond = 'AND v.session_id = %d';
- if ($sessionId == 'T') {
- $sessionCond = "";
- }
- //Get lessons progress by user
- $sql = "SELECT v.lp_id as id, v.progress
- FROM $tbl_course_lp_view v
- WHERE v.c_id = %d
- AND v.user_id = %d
- $sessionCond";
- $sql_query = sprintf($sql,
- intval($courseId),
- Database::escape_string($user['user_id']),
- $sessionId
- );
- $result = Database::query($sql_query);
- $user_lessons = array();
- while ($row = Database::fetch_array($result)) {
- $user_lessons[$row['id']] = $row;
- }
- //Match course lessons with user progress
- $progress = 0;
- $count = 0;
- foreach ($lessons as $lesson) {
- $data[$lesson['id']] = (!empty($user_lessons[$lesson['id']]['progress'])) ? $user_lessons[$lesson['id']]['progress'] : 0;
- $progress += $data[$lesson['id']];
- $data[$lesson['id']] = $data[$lesson['id']] . '%';
- $count++;
- }
- if ($count == 0) {
- $data['total'] = 0;
- } else {
- $data['total'] = round($progress / $count, 2) . '%';
- }
- $table[] = $data;
- }
- return $table;
- }
- /**
- * Gets the survey answers
- * @param int session id
- * @param int course id
- * @param int survey id
- * @param array options order and limit keys
- * @todo fix the query
- * @return array table with user name, lp name, progress
- */
- public static function get_survey_overview($sessionId = 0, $courseId = 0, $surveyId = 0, $date_from, $date_to, $options)
- {
- //escaping vars
- $sessionId = intval($sessionId);
- $courseId = intval($courseId);
- $surveyId = intval($surveyId);
- $date_from = Database::escape_string($date_from);
- $date_to = Database::escape_string($date_to);
- //tables
- $session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $user = Database::get_main_table(TABLE_MAIN_USER);
- $tbl_course_lp_view = Database::get_course_table(TABLE_LP_VIEW);
- $c_survey = Database::get_course_table(TABLE_SURVEY);
- $c_survey_answer = Database::get_course_table(TABLE_SURVEY_ANSWER);
- $c_survey_question = Database::get_course_table(TABLE_SURVEY_QUESTION);
- $c_survey_question_option = Database::get_course_table(TABLE_SURVEY_QUESTION_OPTION);
- $course = api_get_course_info_by_id($courseId);
- $where = " WHERE course_code = '%s' AND s.status <> 2 AND id_session = %s";
- $limit = null;
- if (!empty($options['limit'])) {
- $limit = " LIMIT " . $options['limit'];
- }
- if (!empty($options['where'])) {
- $where .= ' '.$options['where'];
- }
- $order = null;
- if (!empty($options['order'])) {
- $order = " ORDER BY " . $options['order'];
- }
- /* $where_survey = '';
- if (!empty($date_to) && !empty($date_from)) {
- $where_survey = sprintf(" AND s.avail_from >= '%s'
- AND s.avail_till <= '%s'", $date_from, $date_to);
- } */
- $sql = "SELECT u.user_id, u.lastname, u.firstname, u.username, u.email, s.course_code
- FROM $session_course_user s
- INNER JOIN $user u ON u.user_id = s.id_user
- $where $order $limit";
- $sql_query = sprintf($sql, Database::escape_string($course['code']), $sessionId);
- $rs = Database::query($sql_query);
- while ($user = Database::fetch_array($rs)) {
- $users[$user['user_id']] = $user;
- }
- //Get survey questions
- $questions = survey_manager::get_questions($surveyId, $courseId);
- //Survey is anonymous?
- $result = Database::query(sprintf("SELECT anonymous FROM $c_survey WHERE survey_id = %d", $surveyId));
- $row = Database::fetch_array($result);
- $anonymous = ($row['anonymous'] == 1) ? true : false;
- $table = array();
- foreach ($users as $user) {
- $data = array(
- 'lastname' => ($anonymous ? '***' : $user[1]),
- 'firstname' => ($anonymous ? '***' : $user[2]),
- 'username' => ($anonymous ? '***' : $user[3]),
- );
- //Get questions by user
- $sql = "SELECT sa.question_id, sa.option_id, sqo.option_text, sq.type
- FROM $c_survey_answer sa
- INNER JOIN $c_survey_question sq
- ON sq.question_id = sa.question_id
- LEFT JOIN $c_survey_question_option sqo
- ON
- sqo.c_id = sa.c_id AND
- sqo.question_id = sq.question_id AND
- sqo.question_option_id = sa.option_id AND
- sqo.survey_id = sq.survey_id
- WHERE
- sa.survey_id = %d AND
- sa.c_id = %d AND
- sa.user = %d
- "; //. $where_survey;
- $sql_query = sprintf($sql, $surveyId, $courseId, $user['user_id']);
- $result = Database::query($sql_query);
- $user_questions = array();
- while ($row = Database::fetch_array($result)) {
- $user_questions[$row['question_id']] = $row;
- }
- //Match course lessons with user progress
- foreach ($questions as $question_id => $question) {
- $option_text = 'option_text';
- if ($user_questions[$question_id]['type'] == 'open') {
- $option_text = 'option_id';
- }
- $data[$question_id] = $user_questions[$question_id][$option_text];
- }
- $table[] = $data;
- }
- return $table;
- }
- /**
- * Gets the progress of the given session
- * @param int session id
- * @param array options order and limit keys
- * @return array table with user name, lp name, progress
- */
- public static function get_session_progress($sessionId, $courseId, $date_from, $date_to, $options)
- {
- $sessionId = intval($sessionId);
- $getAllSessions = false;
- if (empty($sessionId)) {
- $sessionId = 0;
- $getAllSessions = true;
- }
- //tables
- $session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $user = Database::get_main_table(TABLE_MAIN_USER);
- $course_rel_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $workTable = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
- $workTableAssignment = Database::get_course_table(TABLE_STUDENT_PUBLICATION_ASSIGNMENT);
- $forum = Database::get_course_table(TABLE_FORUM);
- $forum_post = Database::get_course_table(TABLE_FORUM_POST);
- $tbl_course_lp = Database::get_course_table(TABLE_LP_MAIN);
- $wiki = Database::get_course_table(TABLE_WIKI);
- $table_stats_default = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_DEFAULT);
- $table_stats_access = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ACCESS);
- $course = api_get_course_info_by_id($courseId);
- //getting all the students of the course
- //we are not using this because it only returns user ids
- /* if (empty($sessionId)
- {
- // Registered students in a course outside session.
- $users = CourseManager :: get_student_list_from_course_code($course_code);
- } else {
- // Registered students in session.
- $users = CourseManager :: get_student_list_from_course_code($course_code, true, $sessionId);
- } */
- $where = " WHERE course_code = '%s' AND s.status <> 2 ";
- $limit = null;
- if (!empty($options['limit'])) {
- $limit = " LIMIT " . $options['limit'];
- }
- if (!empty($options['where'])) {
- $where .= ' '.$options['where'];
- }
- $order = null;
- if (!empty($options['order'])) {
- $order = " ORDER BY " . $options['order'];
- }
- //TODO, fix create report without session
- $queryVariables = array($course['code']);
- if (!empty($sessionId)) {
- $where .= ' AND id_session = %s';
- $queryVariables[] = $sessionId;
- $sql = "SELECT
- u.user_id, u.lastname, u.firstname, u.username,
- u.email, s.course_code, s.id_session
- FROM $session_course_user s
- INNER JOIN $user u
- ON u.user_id = s.id_user
- $where $order $limit";
- } else {
- $sql = "SELECT
- u.user_id, u.lastname, u.firstname, u.username,
- u.email, s.course_code, s.id_session
- FROM $session_course_user s
- INNER JOIN $user u ON u.user_id = s.id_user
- $where $order $limit";
- }
- $sql_query = vsprintf($sql, $queryVariables);
- $rs = Database::query($sql_query);
- while ($user = Database::fetch_array($rs)) {
- $users[$user['user_id']] = $user;
- }
- /**
- * Lessons
- */
- $sql = "SELECT * FROM $tbl_course_lp WHERE c_id = %s "; //AND session_id = %s
- $sql_query = sprintf($sql, $course['real_id']);
- $result = Database::query($sql_query);
- $arrLesson = array(array());
- while ($row = Database::fetch_array($result)) {
- // if (api_get_item_visibility(api_get_course_info($course['code']), 'learnpath', $row['id'], $row['session_id']))
- // {
- if (empty($arrLesson[$row['session_id']]['lessons_total'])) {
- $arrLesson[$row['session_id']]['lessons_total'] = 1;
- } else {
- $arrLesson[$row['session_id']]['lessons_total'] ++;
- }
- // }
- }
- /**
- * Exercises
- */
- require_once api_get_path(SYS_CODE_PATH) . 'exercice/exercise.lib.php';
- $exercises = get_all_exercises($course, $sessionId, false, '', $getAllSessions);
- $exercises_total = count($exercises);
- /**
- * Assignments
- */
- //total
- if ($getAllSessions) {
- $sql = "SELECT count(w.id) as count
- FROM $workTable w
- LEFT JOIN $workTableAssignment a ON (a.publication_id = w.id AND a.c_id = w.c_id)
- WHERE w.c_id = %s
- AND parent_id = 0
- AND active IN (1, 0)";
- } else {
- $sql = "SELECT count(w.id) as count
- FROM $workTable w
- LEFT JOIN $workTableAssignment a ON (a.publication_id = w.id AND a.c_id = w.c_id)
- WHERE w.c_id = %s
- AND parent_id = 0
- AND active IN (1, 0)
- AND session_id = %s";
- }
- $sql_query = sprintf($sql, $course['real_id'], $sessionId);
- $result = Database::query($sql_query);
- $row = Database::fetch_array($result);
- $assignments_total = $row['count'];
- /**
- * Wiki
- */
- if ($getAllSessions) {
- $sql = "SELECT count(distinct page_id) as count FROM $wiki
- WHERE c_id = %s";
- } else {
- $sql = "SELECT count(distinct page_id) as count FROM $wiki
- WHERE c_id = %s and session_id = %s";
- }
- $sql_query = sprintf($sql, $course['real_id'], $sessionId);
- $result = Database::query($sql_query);
- $row = Database::fetch_array($result);
- $wiki_total = $row['count'];
- /**
- * Surveys
- */
- $survey_user_list = array();
- $survey_list = survey_manager::get_surveys($course['code'], $sessionId);
- $surveys_total = count($survey_list);
- $survey_data = array();
- foreach ($survey_list as $survey) {
- $user_list = survey_manager::get_people_who_filled_survey($survey['survey_id'], false, $course['real_id']);
- foreach ($user_list as $user_id) {
- isset($survey_user_list[$user_id]) ? $survey_user_list[$user_id] ++ : $survey_user_list[$user_id] = 1;
- }
- }
- /**
- * Forums
- */
- $forums_total = CourseManager::getCountForum(
- $course['real_id'],
- $sessionId,
- $getAllSessions
- );
- //process table info
- foreach ($users as $user) {
- //Course description
- $sql = "SELECT count(*) as count
- FROM $table_stats_access
- WHERE access_tool = 'course_description'
- AND access_cours_code = '%s'
- AND access_session_id = %s
- AND access_user_id = %s ";
- $sql_query = sprintf($sql, $course['code'], $user['id_session'], $user['user_id']);
- $result = Database::query($sql_query);
- $row = Database::fetch_array($result);
- $course_description_progress = ($row['count'] > 0) ? 100 : 0;
- if (!empty($arrLesson[$user['id_session']]['lessons_total'])) {
- $lessons_total = $arrLesson[$user['id_session']]['lessons_total'];
- } else {
- $lessons_total = !empty($arrLesson[0]['lessons_total']) ? $arrLesson[0]['lessons_total'] : 0;
- }
- //Lessons
- //TODO: Lessons done and left is calculated by progress per item in lesson, maybe we should calculate it only per completed lesson?
- $lessons_progress = Tracking::get_avg_student_progress($user['user_id'], $course['code'], array(), $user['id_session']);
- $lessons_done = ($lessons_progress * $lessons_total) / 100;
- $lessons_left = $lessons_total - $lessons_done;
- //Exercises
- $exercises_progress = str_replace('%', '', Tracking::get_exercise_student_progress($exercises, $user['user_id'], $course['code'], $user['id_session']));
- $exercises_done = round(($exercises_progress * $exercises_total) / 100);
- $exercises_left = $exercises_total - $exercises_done;
- //Assignments
- $assignments_done = Tracking::count_student_assignments($user['user_id'], $course['code'], $user['id_session']);
- $assignments_left = $assignments_total - $assignments_done;
- if (!empty($assignments_total)) {
- $assignments_progress = round((( $assignments_done * 100 ) / $assignments_total), 2);
- } else {
- $assignments_progress = 0;
- }
- //Wiki
- //total revisions per user
- $sql = "SELECT count(*) as count
- FROM $wiki
- where c_id = %s and session_id = %s and user_id = %s";
- $sql_query = sprintf($sql, $course['real_id'], $user['id_session'], $user['user_id']);
- $result = Database::query($sql_query);
- $row = Database::fetch_array($result);
- $wiki_revisions = $row['count'];
- //count visited wiki pages
- $sql = "SELECT count(distinct default_value) as count
- FROM $table_stats_default
- WHERE default_user_id = %s
- AND default_cours_code = '%s'
- AND default_event_type = 'wiki_page_view'
- AND default_value_type = 'wiki_page_id'
- AND c_id = %s";
- $sql_query = sprintf($sql, $user['user_id'], $course['code'], $course['real_id']);
- $result = Database::query($sql_query);
- $row = Database::fetch_array($result);
- $wiki_read = $row['count'];
- $wiki_unread = $wiki_total - $wiki_read;
- if (!empty($wiki_total)) {
- $wiki_progress = round((( $wiki_read * 100 ) / $wiki_total), 2);
- } else {
- $wiki_progress = 0;
- }
- //Surveys
- $surveys_done = (isset($survey_user_list[$user['user_id']]) ? $survey_user_list[$user['user_id']] : 0);
- $surveys_left = $surveys_total - $surveys_done;
- if (!empty($surveys_total)) {
- $surveys_progress = round((( $surveys_done * 100 ) / $surveys_total), 2);
- } else {
- $surveys_progress = 0;
- }
- //Forums
- $forums_done = CourseManager::getCountForumPerUser(
- $user['user_id'],
- $course['real_id'],
- $user['id_session']
- );
- $forums_left = $forums_total - $forums_done;
- if (!empty($forums_total)) {
- $forums_progress = round((( $forums_done * 100 ) / $forums_total), 2);
- } else {
- $forums_progress = 0;
- }
- //Overall Total
- $overall_total = ($course_description_progress + $exercises_progress + $forums_progress + $assignments_progress + $wiki_progress + $surveys_progress) / 6;
- $link = '<a href="' . api_get_path(WEB_CODE_PATH) . 'mySpace/myStudents.php?student=' . $user[0] . '&details=true&course=' . $course['code'] . '&id_session=' . $user['id_session'] . '"> %s </a>';
- $linkForum = '<a href="' . api_get_path(WEB_CODE_PATH) . 'forum/index.php?cidReq=' . $course['code'] . '&id_session=' . $user['id_session'] . '"> %s </a>';
- $linkWork = '<a href="' . api_get_path(WEB_CODE_PATH) . 'work/work.php?cidReq=' . $course['code'] . '&id_session=' . $user['id_session'] . '"> %s </a>';
- $linkWiki = '<a href="' . api_get_path(WEB_CODE_PATH) . 'wiki/index.php?cidReq=' . $course['code'] . '&session_id=' . $user['id_session'] . '&action=statistics"> %s </a>';
- $linkSurvey = '<a href="' . api_get_path(WEB_CODE_PATH) . 'survey/survey_list.php?cidReq=' . $course['code'] . '&id_session=' . $user['id_session'] . '"> %s </a>';
- $table[] = array(
- 'lastname' => $user[1],
- 'firstname' => $user[2],
- 'username' => $user[3],
- #'profile' => '',
- 'total' => round($overall_total, 2) . '%',
- 'courses' => sprintf($link, $course_description_progress . '%'),
- 'lessons' => sprintf($link, $lessons_progress . '%'),
- 'exercises' => sprintf($link, $exercises_progress . '%'),
- 'forums' => sprintf($link, $forums_progress . '%'),
- 'homeworks' => sprintf($link, $assignments_progress . '%'),
- 'wikis' => sprintf($link, $wiki_progress . '%'),
- 'surveys' => sprintf($link, $surveys_progress . '%'),
- //course description
- 'course_description_progress' => $course_description_progress . '%',
- //lessons
- 'lessons_total' => sprintf($link, $lessons_total),
- 'lessons_done' => sprintf($link, $lessons_done),
- 'lessons_left' => sprintf($link, $lessons_left),
- 'lessons_progress' => sprintf($link, $lessons_progress . '%'),
- //exercises
- 'exercises_total' => sprintf($link, $exercises_total),
- 'exercises_done' => sprintf($link, $exercises_done),
- 'exercises_left' => sprintf($link, $exercises_left),
- 'exercises_progress' => sprintf($link, $exercises_progress . '%'),
- //forums
- 'forums_total' => sprintf($linkForum, $forums_total),
- 'forums_done' => sprintf($linkForum, $forums_done),
- 'forums_left' => sprintf($linkForum, $forums_left),
- 'forums_progress' => sprintf($linkForum, $forums_progress . '%'),
- //assignments
- 'assignments_total' => sprintf($linkWork, $assignments_total),
- 'assignments_done' => sprintf($linkWork, $assignments_done),
- 'assignments_left' => sprintf($linkWork, $assignments_left),
- 'assignments_progress' => sprintf($linkWork, $assignments_progress . '%'),
- //wiki
- 'wiki_total' => sprintf($linkWiki, $wiki_total),
- 'wiki_revisions' => sprintf($linkWiki, $wiki_revisions),
- 'wiki_read' => sprintf($linkWiki, $wiki_read),
- 'wiki_unread' => sprintf($linkWiki, $wiki_unread),
- 'wiki_progress' => sprintf($linkWiki, $wiki_progress . '%'),
- //survey
- 'surveys_total' => sprintf($linkSurvey, $surveys_total),
- 'surveys_done' => sprintf($linkSurvey, $surveys_done),
- 'surveys_left' => sprintf($linkSurvey, $surveys_left),
- 'surveys_progress' => sprintf($linkSurvey, $surveys_progress . '%'),
- );
- }
- return $table;
- }
- function get_number_of_tracking_access_overview()
- {
- // database table definition
- $track_e_course_access = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
- return Database::count_rows($track_e_course_access);
- }
- /**
- * Get the ip, total of clicks, login date and time logged in for all user, in one session
- * @todo track_e_course_access table should have ip so we dont have to look for it in track_e_login
- *
- * @author César Perales <cesar.perales@beeznest.com>, Beeznest Team
- * @version Chamilo 1.9.6
- */
- static function get_user_data_access_tracking_overview(
- $sessionId,
- $courseId,
- $studentId = 0,
- $profile = '',
- $date_from = '',
- $date_to = '',
- $options
- ) {
- global $_configuration;
- //escaping variables
- $sessionId = intval($sessionId);
- $courseId = intval($courseId);
- $studentId = intval($studentId);
- $profile = intval($profile);
- $date_from = Database::escape_string($date_from);
- $date_to = Database::escape_string($date_to);
- // database table definition
- $user = Database :: get_main_table(TABLE_MAIN_USER);
- $course = Database :: get_main_table(TABLE_MAIN_COURSE);
- $track_e_login = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
- $track_e_course_access = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
- $sessionTable = Database :: get_main_table(TABLE_MAIN_SESSION);
- global $export_csv;
- if ($export_csv) {
- $is_western_name_order = api_is_western_name_order(PERSON_NAME_DATA_EXPORT);
- } else {
- $is_western_name_order = api_is_western_name_order();
- }
- if (isset($sessionId) && !empty($sessionId)) {
- $where = sprintf(" WHERE a.session_id = %d", $sessionId);
- }
- if (isset($courseId) && !empty($courseId)) {
- $where .= sprintf(" AND c.id = %d", $courseId);
- }
- if (isset($studentId) && !empty($studentId)) {
- $where .= sprintf(" AND u.user_id = %d", $studentId);
- }
- if (isset($profile) && !empty($profile)) {
- $where .= sprintf(" AND u.status = %d", $profile);
- }
- if (!empty($date_to) && !empty($date_from)) {
- $where .= sprintf(
- " AND a.login_course_date >= '%s 00:00:00'
- AND a.login_course_date <= '%s 23:59:59'",
- $date_from,
- $date_to
- );
- }
- $limit = null;
- if (!empty($options['limit'])) {
- $limit = " LIMIT " . $options['limit'];
- }
- if (!empty($options['where'])) {
- $where .= ' '.$options['where'];
- }
- $order = null;
- if (!empty($options['order'])) {
- $order = " ORDER BY " . $options['order'];
- }
- //TODO add course name
- $sql = "SELECT
- a.login_course_date ,
- u.username ,
- " . ($is_western_name_order ? "
- u.firstname,
- u.lastname,
- " : "
- u.lastname,
- u.firstname,
- ") . "
- a.logout_course_date,
- a.counter,
- c.title,
- c.code,
- u.user_id,
- a.session_id
- FROM $track_e_course_access a
- INNER JOIN $user u ON a.user_id = u.user_id
- INNER JOIN $course c ON a.course_code = c.code
- $where $order $limit";
- $result = Database::query(sprintf($sql, $sessionId, $courseId));
- $data = array();
- while ($user = Database::fetch_assoc($result)) {
- $data[] = $user;
- }
- //foreach
- foreach ($data as $key => $info) {
- $sql = "SELECT
- name
- FROM $sessionTable
- WHERE
- id = {$info['session_id']}";
- $result = Database::query($sql);
- $session = Database::fetch_assoc($result);
- //We are not using this becaouse the range its to small and no other date match the condition of this function
- //$clicks = Tracking::get_total_clicks($info['user_id'], $courseId, $sessionId, $info['login_course_date'], $info['logout_course_date']);
- #building array to display
- $return[] = array(
- 'user_id' => $info['user_id'],
- 'logindate' => $info['login_course_date'],
- 'username' => $info['username'],
- 'firstname' => $info['firstname'],
- 'lastname' => $info['lastname'],
- 'clicks' => $info['counter'], //+ $clicks[$info['user_id']],
- 'ip' => '',
- 'timeLoggedIn' => gmdate("H:i:s", strtotime($info['logout_course_date']) - strtotime($info['login_course_date'])),
- 'session' => $session['name']);
- }
- foreach ($return as $key => $info) {
- //Search for ip, we do less querys if we iterate the final array
- $sql = sprintf("SELECT login_ip FROM $track_e_login WHERE login_user_id = %d AND login_date < '%s' ORDER BY login_date DESC LIMIT 1", $info['user_id'], $info['logindate']); //TODO add select by user too
- $result = Database::query($sql);
- $ip = Database::fetch_assoc($result);
- //if no ip founded, we search the closest higher ip
- if (empty($ip['login_ip'])) {
- $sql = sprintf("SELECT login_ip FROM $track_e_login WHERE login_user_id = %d AND login_date > '%s' ORDER BY login_date ASC LIMIT 1", $info['user_id'], $info['logindate']); //TODO add select by user too
- $result = Database::query($sql);
- $ip = Database::fetch_assoc($result);
- }
- #add ip to final array
- $return[$key]['ip'] = $ip['login_ip'];
- }
- return $return;
- }
- /**
- * Creates a new course code based in given code
- *
- * @param string wanted code
- * <code>
- * $wanted_code = 'curse' if there are in the DB codes like curse1 curse2 the function will return: course3
- * if the course code doest not exist in the DB the same course code will be returned
- * </code>
- * @return string wanted unused code
- */
- public static function generate_nice_next_session_name($session_name)
- {
- $session_name_ok = !self::session_name_exists($session_name);
- if (!$session_name_ok) {
- $table = Database::get_main_table(TABLE_MAIN_SESSION);
- $session_name = Database::escape_string($session_name);
- $sql = "SELECT count(*) as count FROM $table WHERE name LIKE '$session_name%'";
- $result = Database::query($sql);
- if (Database::num_rows($result) > 0) {
- $row = Database::fetch_array($result);
- $count = $row['count'] + 1;
- $session_name = $session_name . '_' . $count;
- $result = self::session_name_exists($session_name);
- if (!$result) {
- return $session_name;
- }
- }
- return false;
- }
- return $session_name;
- }
- /**
- * Edit a session
- * @author Carlos Vargas from existing code
- * @param integer id
- * @param string name
- * @param integer year_start
- * @param integer month_start
- * @param integer day_start
- * @param integer year_end
- * @param integer month_end
- * @param integer day_end
- * @param integer nb_days_acess_before
- * @param integer nb_days_acess_after
- * @param integer nolimit
- * @param integer id_coach
- * @param integer id_session_category
- * @param int $id_visibility
- * @param bool
- * @param bool
- * @param string $description
- * @param int $showDescription
- * @return $id;
- * The parameter id is a primary key
- * */
- public static function edit_session(
- $id,
- $name,
- $year_start,
- $month_start,
- $day_start,
- $year_end,
- $month_end,
- $day_end,
- $nb_days_acess_before,
- $nb_days_acess_after,
- $nolimit,
- $id_coach,
- $id_session_category,
- $id_visibility,
- $start_limit = true,
- $end_limit = true,
- $description = null,
- $showDescription = null,
- $duration = null
- ) {
- $name = trim(stripslashes($name));
- $year_start = intval($year_start);
- $month_start = intval($month_start);
- $day_start = intval($day_start);
- $year_end = intval($year_end);
- $month_end = intval($month_end);
- $day_end = intval($day_end);
- $id_coach = intval($id_coach);
- $nb_days_acess_before = intval($nb_days_acess_before);
- $nb_days_acess_after = intval($nb_days_acess_after);
- $id_session_category = intval($id_session_category);
- $id_visibility = intval($id_visibility);
- $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
- if (empty($nolimit)) {
- $date_start = "$year_start-" . (($month_start < 10) ? "0$month_start" : $month_start) . "-" . (($day_start < 10) ? "0$day_start" : $day_start);
- $date_end = "$year_end-" . (($month_end < 10) ? "0$month_end" : $month_end) . "-" . (($day_end < 10) ? "0$day_end" : $day_end);
- } else {
- $date_start = "0000-00-00";
- $date_end = "0000-00-00";
- $id_visibility = 1; //force read only
- }
- if (!empty($no_end_limit)) {
- $date_end = "0000-00-00";
- }
- if (empty($end_limit)) {
- $date_end = "0000-00-00";
- $id_visibility = 1; //force read only
- }
- if (empty($start_limit)) {
- $date_start = "0000-00-00";
- }
- if (empty($name)) {
- $msg = get_lang('SessionNameIsRequired');
- return $msg;
- } elseif (empty($id_coach)) {
- $msg = get_lang('CoachIsRequired');
- return $msg;
- } elseif (!empty($start_limit) && empty($nolimit) && (!$month_start || !$day_start || !$year_start || !checkdate($month_start, $day_start, $year_start))) {
- $msg = get_lang('InvalidStartDate');
- return $msg;
- } elseif (!empty($end_limit) && empty($nolimit) && (!$month_end || !$day_end || !$year_end || !checkdate($month_end, $day_end, $year_end))) {
- $msg = get_lang('InvalidEndDate');
- return $msg;
- } elseif (!empty($start_limit) && !empty($end_limit) && empty($nolimit) && $date_start >= $date_end) {
- $msg = get_lang('StartDateShouldBeBeforeEndDate');
- return $msg;
- } else {
- $rs = Database::query("SELECT id FROM $tbl_session WHERE name='" . Database::escape_string($name) . "'");
- $exists = false;
- while ($row = Database::fetch_array($rs)) {
- if ($row['id'] != $id) {
- $exists = true;
- }
- }
- if ($exists) {
- $msg = get_lang('SessionNameAlreadyExists');
- return $msg;
- } else {
- $sessionInfo = SessionManager::fetch($id);
- $descriptionCondition = null;
- if (array_key_exists('description', $sessionInfo)) {
- $descriptionCondition = ' description = "' . Database::escape_string($description) . '" ,';
- }
- $showDescriptionCondition = null;
- if (array_key_exists('show_description', $sessionInfo)) {
- $showDescriptionCondition = ' show_description = "' . Database::escape_string($showDescription) . '" ,';
- }
- $durationCondition = null;
- if (self::durationPerUserIsEnabled()) {
- if (empty($duration)) {
- $duration = null;
- } else {
- $date_start = '0000-00-00';
- $date_end = "0000-00-00";
- $duration = intval($duration);
- }
- $durationCondition = ' duration = "' . $duration . '" ,';
- }
- $sql = "UPDATE $tbl_session SET
- name='" . Database::escape_string($name) . "',
- date_start='" . $date_start . "',
- date_end='" . $date_end . "',
- id_coach='" . $id_coach . "',
- nb_days_access_before_beginning = " . $nb_days_acess_before . ",
- nb_days_access_after_end = " . $nb_days_acess_after . ",
- session_category_id = " . $id_session_category . " ,
- $descriptionCondition
- $showDescriptionCondition
- $durationCondition
- visibility= " . $id_visibility . "
- WHERE id='$id'";
- Database::query($sql);
- return $id;
- }
- }
- }
- /**
- * Delete session
- * @author Carlos Vargas from existing code
- * @param array id_checked an array to delete sessions
- * @param boolean optional, true if the function is called by a webservice, false otherwise.
- * @return void Nothing, or false on error
- * */
- public static function delete_session($id_checked, $from_ws = false)
- {
- $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
- $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
- $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
- $tbl_url_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
- $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
- $userId = api_get_user_id();
- if (is_array($id_checked)) {
- $id_checked = Database::escape_string(implode(',', $id_checked));
- } else {
- $id_checked = intval($id_checked);
- }
- if (!api_is_platform_admin() && !$from_ws) {
- $sql = 'SELECT session_admin_id FROM ' . Database :: get_main_table(TABLE_MAIN_SESSION) . ' WHERE id=' . $id_checked;
- $rs = Database::query($sql);
- if (Database::result($rs, 0, 0) != $userId) {
- api_not_allowed(true);
- }
- }
- Database::query("DELETE FROM $tbl_session WHERE id IN($id_checked)");
- Database::query("DELETE FROM $tbl_session_rel_course WHERE id_session IN($id_checked)");
- Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session IN($id_checked)");
- Database::query("DELETE FROM $tbl_session_rel_user WHERE id_session IN($id_checked)");
- Database::query("DELETE FROM $tbl_url_session WHERE session_id IN($id_checked)");
- $sql_delete_sfv = "DELETE FROM $t_sfv WHERE session_id = '$id_checked'";
- Database::query($sql_delete_sfv);
- // Add event to system log
- event_system(LOG_SESSION_DELETE, LOG_SESSION_ID, $id_checked, api_get_utc_datetime(), $userId);
- }
- /**
- * @param int $id_promotion
- * @return bool
- */
- public static function clear_session_ref_promotion($id_promotion)
- {
- $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
- $id_promotion = intval($id_promotion);
- $update_sql = "UPDATE $tbl_session SET promotion_id=0 WHERE promotion_id='$id_promotion'";
- if (Database::query($update_sql)) {
- return true;
- } else {
- return false;
- }
- }
- /**
- * Subscribes students to the given session and optionally (default) unsubscribes previous users
- *
- * @author Carlos Vargas from existing code
- * @author Julio Montoya. Cleaning code.
- * @param int $id_session
- * @param array $user_list
- * @param int $session_visibility
- * @param bool $empty_users
- * @param bool $send_email
- * @return bool
- */
- public static function suscribe_users_to_session(
- $id_session,
- $user_list,
- $session_visibility = SESSION_VISIBLE_READ_ONLY,
- $empty_users = true,
- $send_email = false
- ) {
- if ($id_session != strval(intval($id_session))) {
- return false;
- }
- foreach ($user_list as $intUser) {
- if ($intUser != strval(intval($intUser))) {
- return false;
- }
- }
- $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
- $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
- $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
- $session_info = api_get_session_info($id_session);
- $session_name = $session_info['name'];
- // from function parameter
- if (empty($session_visibility)) {
- $session_visibility = $session_info['visibility']; //loaded from DB
- //default status loaded if empty
- if (empty($session_visibility))
- $session_visibility = SESSION_VISIBLE_READ_ONLY; // by default readonly 1
- } else {
- if (!in_array($session_visibility, array(SESSION_VISIBLE_READ_ONLY, SESSION_VISIBLE, SESSION_INVISIBLE))) {
- $session_visibility = SESSION_VISIBLE_READ_ONLY;
- }
- }
- $sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user
- WHERE id_session = '$id_session' AND status = 0";
- $result = Database::query($sql);
- $existingUsers = array();
- while ($row = Database::fetch_array($result)) {
- $existingUsers[] = $row['id_user'];
- }
- $sql = "SELECT course_code FROM $tbl_session_rel_course
- WHERE id_session = '$id_session'";
- $result = Database::query($sql);
- $course_list = array();
- while ($row = Database::fetch_array($result)) {
- $course_list[] = $row['course_code'];
- }
- if ($send_email) {
- // Sending emails only
- if (is_array($user_list) && count($user_list) > 0) {
- foreach ($user_list as $user_id) {
- if (!in_array($user_id, $existingUsers)) {
- $subject = '[' . get_setting('siteName') . '] ' . get_lang('YourReg') . ' ' . get_setting('siteName');
- $user_info = api_get_user_info($user_id);
- $content = get_lang('Dear') . " " . stripslashes($user_info['complete_name']) . ",\n\n" . sprintf(get_lang('YouAreRegisterToSessionX'), $session_name) . " \n\n" . get_lang('Address') . " " . get_setting('siteName') . " " . get_lang('Is') . " : " . api_get_path(WEB_PATH) . "\n\n" . get_lang('Problem') . "\n\n" . get_lang('Formula') . ",\n\n" . get_setting('administratorName') . " " . get_setting('administratorSurname') . "\n" . get_lang('Manager') . " " . get_setting('siteName') . "\nT. " . get_setting('administratorTelephone') . "\n" . get_lang('Email') . " : " . get_setting('emailAdministrator');
- MessageManager::send_message(
- $user_id,
- $subject,
- $content,
- array(),
- array(),
- null,
- null,
- null,
- null,
- null
- );
- }
- }
- }
- }
- foreach ($course_list as $enreg_course) {
- // for each course in the session
- $nbr_users = 0;
- $enreg_course = Database::escape_string($enreg_course);
- $sql = "SELECT DISTINCT id_user FROM $tbl_session_rel_course_rel_user
- WHERE id_session = '$id_session' AND course_code='$enreg_course' AND status = 0";
- $result = Database::query($sql);
- $existingUsers = array();
- while ($row = Database::fetch_array($result)) {
- $existingUsers[] = $row['id_user'];
- }
- // Delete existing users
- if ($empty_users) {
- foreach ($existingUsers as $existing_user) {
- if (!in_array($existing_user, $user_list)) {
- $sql = "DELETE FROM $tbl_session_rel_course_rel_user
- WHERE id_session='$id_session' AND course_code='$enreg_course' AND id_user='$existing_user' AND status = 0";
- Database::query($sql);
- if (Database::affected_rows()) {
- $nbr_users--;
- }
- }
- }
- }
- // Replace with this new function
- // insert new users into session_rel_course_rel_user and ignore if they already exist
- foreach ($user_list as $enreg_user) {
- if (!in_array($enreg_user, $existingUsers)) {
- $enreg_user = Database::escape_string($enreg_user);
- $sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user(id_session, course_code, id_user, visibility, status)
- VALUES('$id_session','$enreg_course','$enreg_user','$session_visibility', '0')";
- Database::query($sql);
- if (Database::affected_rows()) {
- $nbr_users++;
- }
- }
- }
- // Count users in this session-course relation
- $sql = "SELECT COUNT(id_user) as nbUsers FROM $tbl_session_rel_course_rel_user
- WHERE id_session='$id_session' AND course_code='$enreg_course' AND status<>2";
- $rs = Database::query($sql);
- list($nbr_users) = Database::fetch_array($rs);
- // update the session-course relation to add the users total
- $sql = "UPDATE $tbl_session_rel_course SET nbr_users = $nbr_users
- WHERE id_session='$id_session' AND course_code = '$enreg_course'";
- Database::query($sql);
- }
- // Delete users from the session
- if ($empty_users === true) {
- $sql = "DELETE FROM $tbl_session_rel_user
- WHERE id_session = $id_session AND relation_type<>" . SESSION_RELATION_TYPE_RRHH . "";
- Database::query($sql);
- }
- // Insert missing users into session
- $nbr_users = 0;
- foreach ($user_list as $enreg_user) {
- $enreg_user = Database::escape_string($enreg_user);
- $nbr_users++;
- $sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user)
- VALUES ('$id_session', '$enreg_user')";
- Database::query($sql);
- }
- // update number of users in the session
- $nbr_users = count($user_list);
- if ($empty_users) {
- // update number of users in the session
- $sql = "UPDATE $tbl_session SET nbr_users= $nbr_users WHERE id='$id_session' ";
- Database::query($sql);
- } else {
- $sql = "UPDATE $tbl_session SET nbr_users= nbr_users + $nbr_users WHERE id='$id_session'";
- Database::query($sql);
- }
- }
- /**
- * Subscribe a user to an specific course inside a session.
- *
- * @param array $user_list
- * @param int $session_id
- * @param string $course_code
- * @param int $session_visibility
- * @return bool
- */
- public static function subscribe_users_to_session_course(
- $user_list,
- $session_id,
- $course_code,
- $session_visibility = SESSION_VISIBLE_READ_ONLY
- ) {
- $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
- $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
- $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
- if (empty($user_list) || empty($session_id) || empty($course_code)) {
- return false;
- }
- $session_id = intval($session_id);
- $course_code = Database::escape_string($course_code);
- $session_visibility = intval($session_visibility);
- $nbr_users = 0;
- foreach ($user_list as $enreg_user) {
- $enreg_user = intval($enreg_user);
- // Checking if user exists in session - course - user table.
- $sql = "SELECT count(id_user) as count
- FROM $tbl_session_rel_course_rel_user
- WHERE id_session = $session_id AND
- course_code = '$course_code' and
- id_user = $enreg_user ";
- $result = Database::query($sql);
- $count = 0;
- if (Database::num_rows($result) > 0) {
- $row = Database::fetch_array($result, 'ASSOC');
- $count = $row['count'];
- }
- if ($count == 0) {
- $insert_sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user(id_session, course_code, id_user, visibility)
- VALUES ('$session_id','$course_code','$enreg_user','$session_visibility')";
- Database::query($insert_sql);
- if (Database::affected_rows()) {
- $nbr_users++;
- }
- }
- // Checking if user exists in session - user table.
- $sql = "SELECT count(id_user) as count
- FROM $tbl_session_rel_user
- WHERE id_session = $session_id AND id_user = $enreg_user ";
- $result = Database::query($sql);
- $count = 0;
- if (Database::num_rows($result) > 0) {
- $row = Database::fetch_array($result, 'ASSOC');
- $count = $row['count'];
- }
- if (empty($count)) {
- // If user is not registered to a session then add it.
- $sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user) VALUES ('$session_id', '$enreg_user')";
- Database::query($sql);
- $sql = "UPDATE $tbl_session SET nbr_users = nbr_users + 1 WHERE id='$session_id' ";
- Database::query($sql);
- }
- }
- // count users in this session-course relation
- $sql = "SELECT COUNT(id_user) as nbUsers FROM $tbl_session_rel_course_rel_user
- WHERE id_session='$session_id' AND course_code='$course_code' AND status<>2";
- $rs = Database::query($sql);
- list($nbr_users) = Database::fetch_array($rs);
- // update the session-course relation to add the users total
- $sql = "UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users
- WHERE id_session='$session_id' AND course_code='$course_code'";
- Database::query($sql);
- }
- /**
- * Unsubscribe user from session
- *
- * @param int Session id
- * @param int User id
- * @return bool True in case of success, false in case of error
- */
- public static function unsubscribe_user_from_session($session_id, $user_id)
- {
- $session_id = (int) $session_id;
- $user_id = (int) $user_id;
- $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
- $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
- $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
- $delete_sql = "DELETE FROM $tbl_session_rel_user
- WHERE
- id_session = '$session_id' AND
- id_user ='$user_id' AND
- relation_type <> " . SESSION_RELATION_TYPE_RRHH . "";
- Database::query($delete_sql);
- $return = Database::affected_rows();
- // Update number of users
- $sql = "UPDATE $tbl_session
- SET nbr_users = nbr_users - $return
- WHERE id='$session_id' ";
- Database::query($sql);
- // Get the list of courses related to this session
- $course_list = SessionManager::get_course_list_by_session_id($session_id);
- if (!empty($course_list)) {
- foreach ($course_list as $course) {
- $course_code = $course['code'];
- // Delete user from course
- $sql = "DELETE FROM $tbl_session_rel_course_rel_user
- WHERE id_session='$session_id' AND course_code='$course_code' AND id_user='$user_id'";
- Database::query($sql);
- if (Database::affected_rows()) {
- // Update number of users in this relation
- $sql = "UPDATE $tbl_session_rel_course SET nbr_users = nbr_users - 1
- WHERE id_session='$session_id' AND course_code='$course_code'";
- Database::query($sql);
- }
- }
- }
- return true;
- }
- /** Subscribes courses to the given session and optionally (default) unsubscribes previous users
- * @author Carlos Vargas from existing code
- * @param int Session ID
- * @param array List of courses IDs
- * @param bool Whether to unsubscribe existing users (true, default) or not (false)
- * @return void Nothing, or false on error
- * */
- public static function add_courses_to_session($id_session, $course_list, $empty_courses = true)
- {
- // Security checks
- if ($id_session != strval(intval($id_session))) {
- return false;
- }
- $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
- $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
- $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
- $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
- // get general coach ID
- $id_coach = Database::query("SELECT id_coach FROM $tbl_session WHERE id=$id_session");
- $id_coach = Database::fetch_array($id_coach);
- $id_coach = $id_coach[0];
- // get list of courses subscribed to this session
- $rs = Database::query("SELECT course_code FROM $tbl_session_rel_course WHERE id_session=$id_session");
- $existingCourses = Database::store_result($rs);
- $nbr_courses = count($existingCourses);
- // get list of users subscribed to this session
- $sql = "SELECT id_user
- FROM $tbl_session_rel_user
- WHERE id_session = $id_session AND relation_type<>" . SESSION_RELATION_TYPE_RRHH . "";
- $result = Database::query($sql);
- $user_list = Database::store_result($result);
- // remove existing courses from the session
- if ($empty_courses === true) {
- foreach ($existingCourses as $existingCourse) {
- if (!in_array($existingCourse['course_code'], $course_list)) {
- Database::query("DELETE FROM $tbl_session_rel_course WHERE course_code='" . $existingCourse['course_code'] . "' AND id_session=$id_session");
- Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE course_code='" . $existingCourse['course_code'] . "' AND id_session=$id_session");
- }
- }
- $nbr_courses = 0;
- }
- // Pass through the courses list we want to add to the session
- foreach ($course_list as $enreg_course) {
- $enreg_course = Database::escape_string($enreg_course);
- $exists = false;
- // check if the course we want to add is already subscribed
- foreach ($existingCourses as $existingCourse) {
- if ($enreg_course == $existingCourse['course_code']) {
- $exists = true;
- }
- }
- if (!$exists) {
- //if the course isn't subscribed yet
- $sql_insert_rel_course = "INSERT INTO $tbl_session_rel_course (id_session,course_code) VALUES ('$id_session','$enreg_course')";
- Database::query($sql_insert_rel_course);
- //We add the current course in the existing courses array, to avoid adding another time the current course
- $existingCourses[] = array('course_code' => $enreg_course);
- $nbr_courses++;
- // subscribe all the users from the session to this course inside the session
- $nbr_users = 0;
- foreach ($user_list as $enreg_user) {
- $enreg_user_id = Database::escape_string($enreg_user['id_user']);
- $sql_insert = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user (id_session,course_code,id_user) VALUES ('$id_session','$enreg_course','$enreg_user_id')";
- Database::query($sql_insert);
- if (Database::affected_rows()) {
- $nbr_users++;
- }
- }
- Database::query("UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users WHERE id_session='$id_session' AND course_code='$enreg_course'");
- }
- }
- Database::query("UPDATE $tbl_session SET nbr_courses=$nbr_courses WHERE id='$id_session'");
- }
- /**
- * Unsubscribe course from a session
- *
- * @param int Session id
- * @param int Course id
- * @return bool True in case of success, false otherwise
- */
- public static function unsubscribe_course_from_session($session_id, $course_id)
- {
- $session_id = (int) $session_id;
- $course_id = (int) $course_id;
- $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
- $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
- // Get course code
- $course_code = CourseManager::get_course_code_from_course_id($course_id);
- if ($course_code == 0) {
- return false;
- }
- // Unsubscribe course
- Database::query("DELETE FROM $tbl_session_rel_course WHERE course_code='$course_code' AND id_session='$session_id'");
- $nb_affected = Database::affected_rows();
- Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE course_code='$course_code' AND id_session='$session_id'");
- if ($nb_affected > 0) {
- // Update number of courses in the session
- Database::query("UPDATE $tbl_session SET nbr_courses= nbr_courses + $nb_affected WHERE id='$session_id' ");
- return true;
- } else {
- return false;
- }
- }
- /**
- * Creates a new extra field for a given session
- * @param string Field's internal variable name
- * @param int Field's type
- * @param string Field's language var name
- * @return int new extra field id
- */
- public static function create_session_extra_field($fieldvarname, $fieldtype, $fieldtitle)
- {
- // database table definition
- $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
- $fieldvarname = Database::escape_string($fieldvarname);
- $fieldtitle = Database::escape_string($fieldtitle);
- $fieldtype = (int) $fieldtype;
- $time = time();
- $sql_field = "SELECT id FROM $t_sf WHERE field_variable = '$fieldvarname'";
- $res_field = Database::query($sql_field);
- $r_field = Database::fetch_row($res_field);
- if (Database::num_rows($res_field) > 0) {
- $field_id = $r_field[0];
- } else {
- // save new fieldlabel into course_field table
- $sql = "SELECT MAX(field_order) FROM $t_sf";
- $res = Database::query($sql);
- $order = 0;
- if (Database::num_rows($res) > 0) {
- $row = Database::fetch_row($res);
- $order = $row[0] + 1;
- }
- $sql = "INSERT INTO $t_sf SET
- field_type = '$fieldtype',
- field_variable = '$fieldvarname',
- field_display_text = '$fieldtitle',
- field_order = '$order',
- tms = FROM_UNIXTIME($time)";
- Database::query($sql);
- $field_id = Database::insert_id();
- }
- return $field_id;
- }
- /**
- * Update an extra field value for a given session
- * @param integer Course ID
- * @param string Field variable name
- * @param string Field value
- * @return boolean true if field updated, false otherwise
- */
- public static function update_session_extra_field_value($session_id, $fname, $fvalue = '')
- {
- $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
- $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
- $fname = Database::escape_string($fname);
- $session_id = (int) $session_id;
- $fvalues = '';
- if (is_array($fvalue)) {
- foreach ($fvalue as $val) {
- $fvalues .= Database::escape_string($val) . ';';
- }
- if (!empty($fvalues)) {
- $fvalues = substr($fvalues, 0, -1);
- }
- } else {
- $fvalues = Database::escape_string($fvalue);
- }
- $sqlsf = "SELECT * FROM $t_sf WHERE field_variable='$fname'";
- $ressf = Database::query($sqlsf);
- if (Database::num_rows($ressf) == 1) {
- //ok, the field exists
- // Check if enumerated field, if the option is available
- $rowsf = Database::fetch_array($ressf);
- $tms = time();
- $sqlsfv = "SELECT * FROM $t_sfv WHERE session_id = '$session_id' AND field_id = '" . $rowsf['id'] . "' ORDER BY id";
- $ressfv = Database::query($sqlsfv);
- $n = Database::num_rows($ressfv);
- if ($n > 1) {
- //problem, we already have to values for this field and user combination - keep last one
- while ($rowsfv = Database::fetch_array($ressfv)) {
- if ($n > 1) {
- $sqld = "DELETE FROM $t_sfv WHERE id = " . $rowsfv['id'];
- $resd = Database::query($sqld);
- $n--;
- }
- $rowsfv = Database::fetch_array($ressfv);
- if ($rowsfv['field_value'] != $fvalues) {
- $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = FROM_UNIXTIME($tms) WHERE id = " . $rowsfv['id'];
- $resu = Database::query($sqlu);
- return($resu ? true : false);
- }
- return true;
- }
- } else if ($n == 1) {
- //we need to update the current record
- $rowsfv = Database::fetch_array($ressfv);
- if ($rowsfv['field_value'] != $fvalues) {
- $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = FROM_UNIXTIME($tms) WHERE id = " . $rowsfv['id'];
- //error_log('UM::update_extra_field_value: '.$sqlu);
- $resu = Database::query($sqlu);
- return($resu ? true : false);
- }
- return true;
- } else {
- $sqli = "INSERT INTO $t_sfv (session_id,field_id,field_value,tms) " .
- "VALUES ('$session_id'," . $rowsf['id'] . ",'$fvalues',FROM_UNIXTIME($tms))";
- //error_log('UM::update_extra_field_value: '.$sqli);
- $resi = Database::query($sqli);
- return($resi ? true : false);
- }
- } else {
- return false; //field not found
- }
- }
- /**
- * Checks the relationship between a session and a course.
- * @param int $session_id
- * @param string $course_id (course code)
- * @return bool Returns TRUE if the session and the course are related, FALSE otherwise.
- * */
- public static function relation_session_course_exist($session_id, $course_id)
- {
- $tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
- $return_value = false;
- $sql = "SELECT course_code FROM $tbl_session_course
- WHERE
- id_session = " . Database::escape_string($session_id) . " AND
- course_code = '" . Database::escape_string($course_id) . "'";
- $result = Database::query($sql);
- $num = Database::num_rows($result);
- if ($num > 0) {
- $return_value = true;
- }
- return $return_value;
- }
- /**
- * Get the session information by name
- * @param string session name
- * @return mixed false if the session does not exist, array if the session exist
- * */
- public static function get_session_by_name($session_name)
- {
- $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
- $session_name = trim($session_name);
- if (empty($session_name)) {
- return false;
- }
- $sql = 'SELECT *
- FROM ' . $tbl_session . '
- WHERE name = "' . Database::escape_string($session_name) . '"';
- $result = Database::query($sql);
- $num = Database::num_rows($result);
- if ($num > 0) {
- return Database::fetch_array($result);
- } else {
- return false;
- }
- }
- /**
- * Create a session category
- * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
- * @param string name
- * @param integer year_start
- * @param integer month_start
- * @param integer day_start
- * @param integer year_end
- * @param integer month_end
- * @param integer day_end
- * @return $id_session;
- * */
- public static function create_category_session($sname, $syear_start, $smonth_start, $sday_start, $syear_end, $smonth_end, $sday_end)
- {
- $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
- $name = trim($sname);
- $year_start = intval($syear_start);
- $month_start = intval($smonth_start);
- $day_start = intval($sday_start);
- $year_end = intval($syear_end);
- $month_end = intval($smonth_end);
- $day_end = intval($sday_end);
- $date_start = "$year_start-" . (($month_start < 10) ? "0$month_start" : $month_start) . "-" . (($day_start < 10) ? "0$day_start" : $day_start);
- $date_end = "$year_end-" . (($month_end < 10) ? "0$month_end" : $month_end) . "-" . (($day_end < 10) ? "0$day_end" : $day_end);
- if (empty($name)) {
- $msg = get_lang('SessionCategoryNameIsRequired');
- return $msg;
- } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start, $day_start, $year_start)) {
- $msg = get_lang('InvalidStartDate');
- return $msg;
- } elseif (!$month_end && !$day_end && !$year_end) {
- $date_end = "null";
- } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end, $day_end, $year_end)) {
- $msg = get_lang('InvalidEndDate');
- return $msg;
- } elseif ($date_start >= $date_end) {
- $msg = get_lang('StartDateShouldBeBeforeEndDate');
- return $msg;
- }
- $access_url_id = api_get_current_access_url_id();
- $sql = "INSERT INTO $tbl_session_category (name, date_start, date_end, access_url_id)
- VALUES('" . Database::escape_string($name) . "','$date_start','$date_end', '$access_url_id')";
- Database::query($sql);
- $id_session = Database::insert_id();
- // Add event to system log
- $user_id = api_get_user_id();
- event_system(LOG_SESSION_CATEGORY_CREATE, LOG_SESSION_CATEGORY_ID, $id_session, api_get_utc_datetime(), $user_id);
- return $id_session;
- }
- /**
- * Edit a sessions categories
- * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>,from existing code
- * @param integer id
- * @param string name
- * @param integer year_start
- * @param integer month_start
- * @param integer day_start
- * @param integer year_end
- * @param integer month_end
- * @param integer day_end
- * @return $id;
- * The parameter id is a primary key
- * */
- public static function edit_category_session($id, $sname, $syear_start, $smonth_start, $sday_start, $syear_end, $smonth_end, $sday_end)
- {
- $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
- $name = trim($sname);
- $year_start = intval($syear_start);
- $month_start = intval($smonth_start);
- $day_start = intval($sday_start);
- $year_end = intval($syear_end);
- $month_end = intval($smonth_end);
- $day_end = intval($sday_end);
- $id = intval($id);
- $date_start = "$year_start-" . (($month_start < 10) ? "0$month_start" : $month_start) . "-" . (($day_start < 10) ? "0$day_start" : $day_start);
- $date_end = "$year_end-" . (($month_end < 10) ? "0$month_end" : $month_end) . "-" . (($day_end < 10) ? "0$day_end" : $day_end);
- if (empty($name)) {
- $msg = get_lang('SessionCategoryNameIsRequired');
- return $msg;
- } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start, $day_start, $year_start)) {
- $msg = get_lang('InvalidStartDate');
- return $msg;
- } elseif (!$month_end && !$day_end && !$year_end) {
- $date_end = null;
- } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end, $day_end, $year_end)) {
- $msg = get_lang('InvalidEndDate');
- return $msg;
- } elseif ($date_start >= $date_end) {
- $msg = get_lang('StartDateShouldBeBeforeEndDate');
- return $msg;
- }
- if ($date_end <> null) {
- $sql = "UPDATE $tbl_session_category SET name = '" . Database::escape_string($name) . "', date_start = '$date_start' " .
- ", date_end = '$date_end' WHERE id= '" . $id . "' ";
- } else {
- $sql = "UPDATE $tbl_session_category SET name = '" . Database::escape_string($name) . "', date_start = '$date_start' " .
- ", date_end = NULL WHERE id= '" . $id . "' ";
- }
- $result = Database::query($sql);
- return ($result ? true : false);
- }
- /**
- * Delete sessions categories
- * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
- * @param array id_checked
- * @param bool include delete session
- * @param bool optional, true if the function is called by a webservice, false otherwise.
- * @return void Nothing, or false on error
- * The parameters is a array to delete sessions
- * */
- public static function delete_session_category($id_checked, $delete_session = false, $from_ws = false)
- {
- $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
- $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
- if (is_array($id_checked)) {
- $id_checked = Database::escape_string(implode(',', $id_checked));
- } else {
- $id_checked = intval($id_checked);
- }
- //Setting session_category_id to 0
- $sql = "UPDATE $tbl_session SET session_category_id = 0
- WHERE session_category_id IN (" . $id_checked . ")";
- Database::query($sql);
- $sql = "SELECT id FROM $tbl_session WHERE session_category_id IN (" . $id_checked . ")";
- $result = Database::query($sql);
- while ($rows = Database::fetch_array($result)) {
- $session_id = $rows['id'];
- if ($delete_session) {
- if ($from_ws) {
- SessionManager::delete_session($session_id, true);
- } else {
- SessionManager::delete_session($session_id);
- }
- }
- }
- $sql = "DELETE FROM $tbl_session_category WHERE id IN (" . $id_checked . ")";
- Database::query($sql);
- // Add event to system log
- $user_id = api_get_user_id();
- event_system(
- LOG_SESSION_CATEGORY_DELETE,
- LOG_SESSION_CATEGORY_ID,
- $id_checked,
- api_get_utc_datetime(),
- $user_id
- );
- return true;
- }
- /**
- * Get a list of sessions of which the given conditions match with an = 'cond'
- * @param array $conditions a list of condition example :
- * array('status' => STUDENT) or array('s.name LIKE' => "%$needle%")
- * @param array $order_by a list of fields on which sort
- * @return array An array with all sessions of the platform.
- * @todo optional course code parameter, optional sorting parameters...
- */
- public static function get_sessions_list($conditions = array(), $order_by = array())
- {
- $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
- $session_category_table = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
- $user_table = Database::get_main_table(TABLE_MAIN_USER);
- $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
- $session_course_table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
- $course_table = Database::get_main_table(TABLE_MAIN_COURSE);
- $access_url_id = api_get_current_access_url_id();
- $return_array = array();
- $sql_query = " SELECT s.id, s.name, s.nbr_courses, s.date_start, s.date_end, u.firstname, u.lastname, sc.name as category_name, s.promotion_id
- FROM $session_table s
- INNER JOIN $user_table u ON s.id_coach = u.user_id
- INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id
- LEFT JOIN $session_category_table sc ON s.session_category_id = sc.id
- LEFT JOIN $session_course_table sco ON (sco.id_session = s.id)
- INNER JOIN $course_table c ON sco.course_code = c.code
- WHERE ar.access_url_id = $access_url_id ";
- if (count($conditions) > 0) {
- foreach ($conditions as $field => $value) {
- $sql_query .= ' AND ';
- $field = Database::escape_string($field);
- $value = Database::escape_string($value);
- $sql_query .= $field . " '" . $value . "'";
- }
- }
- if (count($order_by) > 0) {
- $sql_query .= ' ORDER BY ' . Database::escape_string(implode(',', $order_by));
- }
- $sql_result = Database::query($sql_query);
- if (Database::num_rows($sql_result) > 0) {
- while ($result = Database::fetch_array($sql_result)) {
- $return_array[$result['id']] = $result;
- }
- }
- return $return_array;
- }
- /**
- * Get the session category information by id
- * @param string session category ID
- * @return mixed false if the session category does not exist, array if the session category exists
- */
- public static function get_session_category($id)
- {
- $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
- $id = intval($id);
- $sql = "SELECT id, name, date_start, date_end FROM $tbl_session_category WHERE id= $id";
- $result = Database::query($sql);
- $num = Database::num_rows($result);
- if ($num > 0) {
- return Database::fetch_array($result);
- } else {
- return false;
- }
- }
- /**
- * Get all session categories (filter by access_url_id)
- * @return mixed false if the session category does not exist, array if the session category exists
- */
- public static function get_all_session_category()
- {
- $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
- $id = api_get_current_access_url_id();
- $sql = 'SELECT * FROM ' . $tbl_session_category . ' WHERE access_url_id ="' . $id . '" ORDER BY name ASC';
- $result = Database::query($sql);
- if (Database::num_rows($result) > 0) {
- $data = Database::store_result($result, 'ASSOC');
- return $data;
- } else {
- return false;
- }
- }
- /**
- * Assign a coach to course in session with status = 2
- * @param int - user id
- * @param int - session id
- * @param string - course code
- * @param bool - optional, if is true the user don't be a coach now, otherwise it'll assign a coach
- * @return bool true if there are affected rows, otherwise false
- */
- public static function set_coach_to_course_session(
- $user_id,
- $session_id = 0,
- $course_code = '',
- $nocoach = false
- ) {
- // Definition of variables
- $user_id = intval($user_id);
- if (!empty($session_id)) {
- $session_id = intval($session_id);
- } else {
- $session_id = api_get_session_id();
- }
- if (!empty($course_code)) {
- $course_code = Database::escape_string($course_code);
- } else {
- $course_code = api_get_course_id();
- }
- // Table definition
- $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
- $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
- // check if user is a teacher
- $sql = "SELECT * FROM $tbl_user WHERE status='1' AND user_id = '$user_id'";
- $rs_check_user = Database::query($sql);
- if (Database::num_rows($rs_check_user) > 0) {
- if ($nocoach) {
- // check if user_id exits int session_rel_user
- $sql = "SELECT id_user FROM $tbl_session_rel_user
- WHERE id_session = '$session_id' AND id_user = '$user_id'";
- $res = Database::query($sql);
- if (Database::num_rows($res) > 0) {
- // The user don't be a coach now
- $sql = "UPDATE $tbl_session_rel_course_rel_user SET status = 0
- WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
- Database::query($sql);
- if (Database::affected_rows() > 0)
- return true;
- else
- return false;
- } else {
- // The user don't be a coach now
- $sql = "DELETE FROM $tbl_session_rel_course_rel_user
- WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
- Database::query($sql);
- if (Database::affected_rows() > 0)
- return true;
- else
- return false;
- }
- } else {
- // Assign user like a coach to course
- // First check if the user is registered in the course
- $sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user
- WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id'";
- $rs_check = Database::query($sql);
- // Then update or insert.
- if (Database::num_rows($rs_check) > 0) {
- $sql = "UPDATE $tbl_session_rel_course_rel_user SET status = 2
- WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
- Database::query($sql);
- if (Database::affected_rows() > 0) {
- return true;
- } else {
- return false;
- }
- } else {
- $sql = "INSERT INTO $tbl_session_rel_course_rel_user(id_session, course_code, id_user, status)
- VALUES('$session_id', '$course_code', '$user_id', 2)";
- Database::query($sql);
- if (Database::affected_rows() > 0) {
- return true;
- } else {
- return false;
- }
- }
- }
- } else {
- return false;
- }
- }
- /**
- * Subscribes sessions to human resource manager (Dashboard feature)
- * @param array $userInfo Human Resource Manager info
- * @param array $sessions_list Sessions id
- * @param bool $sendEmail
- * @param bool $removeOldConnections
- * @return int
- * */
- public static function suscribe_sessions_to_hr_manager(
- $userInfo,
- $sessions_list,
- $sendEmail = false,
- $removeOldConnections = true
- ) {
- // Database Table Definitions
- $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
- $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
- if (empty($userInfo)) {
- return 0;
- }
- $userId = $userInfo['user_id'];
- // Only subscribe DRH users.
- if ($userInfo['status'] != DRH) {
- return 0;
- }
- $affected_rows = 0;
- // Deleting assigned sessions to hrm_id.
- if ($removeOldConnections) {
- if (api_is_multiple_url_enabled()) {
- $sql = "SELECT id_session
- FROM $tbl_session_rel_user s
- INNER JOIN $tbl_session_rel_access_url a ON (a.session_id = s.id_session)
- WHERE
- id_user = $userId AND
- relation_type=" . SESSION_RELATION_TYPE_RRHH . " AND
- access_url_id = " . api_get_current_access_url_id() . "";
- } else {
- $sql = "SELECT id_session FROM $tbl_session_rel_user s
- WHERE id_user = $userId AND relation_type=" . SESSION_RELATION_TYPE_RRHH . "";
- }
- $result = Database::query($sql);
- if (Database::num_rows($result) > 0) {
- while ($row = Database::fetch_array($result)) {
- $sql = "DELETE FROM $tbl_session_rel_user
- WHERE
- id_session = {$row['id_session']} AND
- id_user = $userId AND
- relation_type=" . SESSION_RELATION_TYPE_RRHH . " ";
- Database::query($sql);
- }
- }
- }
- // Inserting new sessions list.
- if (!empty($sessions_list) && is_array($sessions_list)) {
- foreach ($sessions_list as $session_id) {
- $session_id = intval($session_id);
- $sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user, relation_type)
- VALUES ($session_id, $userId, '" . SESSION_RELATION_TYPE_RRHH . "')";
- Database::query($sql);
- $affected_rows++;
- }
- }
- return $affected_rows;
- }
- /**
- * @param int $userId
- * @param int $sessionId
- * @return array
- */
- public static function getSessionFollowedByDrh($userId, $sessionId)
- {
- $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
- $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
- $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
- $userId = intval($userId);
- $sessionId = intval($sessionId);
- $select = " SELECT * ";
- if (api_is_multiple_url_enabled()) {
- $sql = " $select FROM $tbl_session s
- INNER JOIN $tbl_session_rel_user sru ON (sru.id_session = s.id)
- LEFT JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
- WHERE
- sru.id_user = '$userId' AND
- sru.id_session = '$sessionId' AND
- sru.relation_type = '" . SESSION_RELATION_TYPE_RRHH . "' AND
- access_url_id = " . api_get_current_access_url_id() . "
- ";
- } else {
- $sql = "$select FROM $tbl_session s
- INNER JOIN $tbl_session_rel_user sru
- ON
- sru.id_session = s.id AND
- sru.id_user = '$userId' AND
- sru.id_session = '$sessionId' AND
- sru.relation_type = '" . SESSION_RELATION_TYPE_RRHH . "'
- ";
- }
- $result = Database::query($sql);
- if (Database::num_rows($result)) {
- $row = Database::fetch_array($result, 'ASSOC');
- $row['course_list'] = self::get_course_list_by_session_id($sessionId);
- return $row;
- }
- return array();
- }
- /**
- * Get sessions followed by human resources manager
- * @param int $userId
- * @param int $start
- * @param int $limit
- * @param bool $getCount
- * @param bool $getOnlySessionId
- * @param bool $getSql
- * @param string $orderCondition
- * @return array sessions
- */
- public static function get_sessions_followed_by_drh(
- $userId,
- $start = null,
- $limit = null,
- $getCount = false,
- $getOnlySessionId = false,
- $getSql = false,
- $orderCondition = null,
- $keyword = null
- ) {
- return self::getSessionsFollowedByUser(
- $userId,
- DRH,
- $start,
- $limit,
- $getCount,
- $getOnlySessionId,
- $getSql,
- $orderCondition,
- $keyword
- );
- }
- /**
- * Get sessions followed by human resources manager
- * @param int $userId
- * @param int $start
- * @param int $limit
- * @param bool $getCount
- * @param bool $getOnlySessionId
- * @param bool $getSql
- * @param string $orderCondition
- * @param string $keyword
- * @return array sessions
- */
- public static function getSessionsFollowedByUser(
- $userId,
- $status = null,
- $start = null,
- $limit = null,
- $getCount = false,
- $getOnlySessionId = false,
- $getSql = false,
- $orderCondition = null,
- $keyword = null
- ) {
- // Database Table Definitions
- $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
- $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
- $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
- $userId = intval($userId);
- $select = " SELECT DISTINCT * ";
- if ($getCount) {
- $select = " SELECT count(DISTINCT(s.id)) as count ";
- }
- if ($getOnlySessionId) {
- $select = " SELECT DISTINCT(s.id) ";
- }
- $limitCondition = null;
- if (!empty($start) && !empty($limit)) {
- $limitCondition = " LIMIT " . intval($start) . ", " . intval($limit);
- }
- if (empty($orderCondition)) {
- $orderCondition = " ORDER BY s.name ";
- }
- $whereConditions = null;
- $sessionCourseConditions = null;
- $sessionConditions = null;
- $sessionQuery = null;
- $courseSessionQuery = null;
- switch ($status) {
- case DRH:
- $sessionQuery = "SELECT sru.id_session
- FROM
- $tbl_session_rel_user sru
- WHERE
- sru.relation_type = '".SESSION_RELATION_TYPE_RRHH."' AND
- sru.id_user = $userId";
- break;
- case COURSEMANAGER:
- $courseSessionQuery = "
- SELECT scu.id_session as id
- FROM $tbl_session_rel_course_rel_user scu
- WHERE (scu.status = 2 AND scu.id_user = $userId)";
- $whereConditions = " OR (s.id_coach = $userId) ";
- break;
- default:
- $sessionQuery = "SELECT sru.id_session
- FROM
- $tbl_session_rel_user sru
- WHERE
- sru.id_user = $userId";
- break;
- }
- $keywordCondition = null;
- if (!empty($keyword)) {
- $keyword = Database::escape_string($keyword);
- $keywordCondition = " AND (s.name LIKE '%$keyword%' ) ";
- }
- $whereConditions .= $keywordCondition;
- $subQuery = $sessionQuery.$courseSessionQuery;
- $sql = " $select FROM $tbl_session s
- INNER JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
- WHERE
- access_url_id = ".api_get_current_access_url_id()." AND
- s.id IN (
- $subQuery
- )
- $whereConditions
- $orderCondition
- $limitCondition";
- if ($getSql) {
- return $sql;
- }
- $result = Database::query($sql);
- if ($getCount) {
- $row = Database::fetch_array($result);
- return $row['count'];
- }
- $sessions = array();
- if (Database::num_rows($result) > 0) {
- while ($row = Database::fetch_array($result)) {
- $sessions[$row['id']] = $row;
- }
- }
- return $sessions;
- }
- /**
- * Gets the list of courses by session filtered by access_url
- * @param int $session_id
- * @param string $course_name
- * @return array list of courses
- */
- public static function get_course_list_by_session_id(
- $session_id,
- $course_name = '',
- $orderBy = null
- ) {
- $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
- $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
- $session_id = intval($session_id);
- // select the courses
- $sql = "SELECT * FROM $tbl_course c
- INNER JOIN $tbl_session_rel_course src ON c.code = src.course_code
- WHERE src.id_session = '$session_id'";
- if (!empty($course_name)) {
- $course_name = Database::escape_string($course_name);
- $sql .= " AND c.title LIKE '%$course_name%' ";
- }
- if (!empty($orderBy)) {
- $orderBy = Database::escape_string($orderBy);
- $orderBy = "ORDER BY $orderBy";
- } else {
- if (SessionManager::orderCourseIsEnabled()) {
- $orderBy .= " ORDER BY position ";
- } else {
- $orderBy .= " ORDER BY title ";
- }
- }
- $sql .= Database::escape_string($orderBy);
- $result = Database::query($sql);
- $num_rows = Database::num_rows($result);
- $courses = array();
- if ($num_rows > 0) {
- while ($row = Database::fetch_array($result,'ASSOC')) {
- $courses[$row['id']] = $row;
- }
- }
- return $courses;
- }
- /**
- * Gets the list of courses by session filtered by access_url
- *
- * @param $userId
- * @param $sessionId
- * @param null $from
- * @param null $limit
- * @param null $column
- * @param null $direction
- * @param bool $getCount
- * @return array
- */
- public static function getAllCoursesFollowedByUser(
- $userId,
- $sessionId,
- $from = null,
- $limit = null,
- $column = null,
- $direction = null,
- $getCount = false,
- $keyword = null
- ) {
- if (empty($sessionId)) {
- $sessionsSQL = SessionManager::get_sessions_followed_by_drh(
- $userId,
- null,
- null,
- null,
- true,
- true
- );
- } else {
- $sessionsSQL = intval($sessionId);
- }
- $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
- $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
- if ($getCount) {
- $select = "SELECT COUNT(DISTINCT(c.code)) as count ";
- } else {
- $select = "SELECT DISTINCT c.* ";
- }
- $keywordCondition = null;
- if (!empty($keyword)) {
- $keyword = Database::escape_string($keyword);
- $keywordCondition = " AND (c.code LIKE '%$keyword%' OR c.title LIKE '%$keyword%' ) ";
- }
- // Select the courses
- $sql = "$select
- FROM $tbl_course c
- INNER JOIN $tbl_session_rel_course src
- ON c.code = src.course_code
- WHERE
- src.id_session IN ($sessionsSQL)
- $keywordCondition
- ";
- if ($getCount) {
- $result = Database::query($sql);
- $row = Database::fetch_array($result,'ASSOC');
- return $row['count'];
- }
- if (isset($from) && isset($limit)) {
- $from = intval($from);
- $limit = intval($limit);
- $sql .= " LIMIT $from, $limit";
- }
- $result = Database::query($sql);
- $num_rows = Database::num_rows($result);
- $courses = array();
- if ($num_rows > 0) {
- while ($row = Database::fetch_array($result,'ASSOC')) {
- $courses[$row['id']] = $row;
- }
- }
- return $courses;
- }
- /**
- * Gets the list of courses by session filtered by access_url
- * @param int session id
- * @param string course_name
- * @return array list of courses
- */
- public static function get_course_list_by_session_id_like($session_id, $course_name = '')
- {
- $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
- $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
- $session_id = intval($session_id);
- $course_name = Database::escape_string($course_name);
- // select the courses
- $sql = "SELECT * FROM $tbl_course c
- INNER JOIN $tbl_session_rel_course src
- ON c.code = src.course_code
- WHERE src.id_session LIKE '$session_id'";
- if (!empty($course_name)) {
- $sql .= " AND UPPER(c.title) LIKE UPPER('%$course_name%') ";
- }
- $sql .= "ORDER BY title;";
- $result = Database::query($sql);
- $num_rows = Database::num_rows($result);
- $courses = array();
- if ($num_rows > 0) {
- while ($row = Database::fetch_array($result, 'ASSOC')) {
- $courses[$row['id']] = $row;
- }
- }
- return $courses;
- }
- /**
- * Gets the count of courses by session filtered by access_url
- * @param int session id
- * @return array list of courses
- */
- public static function getCourseCountBySessionId($session_id, $keyword = null)
- {
- $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
- $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
- $session_id = intval($session_id);
- // select the courses
- $sql = "SELECT COUNT(c.code) count
- FROM $tbl_course c
- INNER JOIN $tbl_session_rel_course src
- ON c.code = src.course_code
- WHERE src.id_session = '$session_id' ";
- $keywordCondition = null;
- if (!empty($keyword)) {
- $keyword = Database::escape_string($keyword);
- $keywordCondition = " AND (c.code LIKE '%$keyword%' OR c.title LIKE '%$keyword%' ) ";
- }
- $sql .= $keywordCondition;
- $result = Database::query($sql);
- $num_rows = Database::num_rows($result);
- if ($num_rows > 0) {
- $row = Database::fetch_array($result,'ASSOC');
- return $row['count'];
- }
- return null;
- }
- /**
- * Get the session id based on the original id and field name in the extra fields.
- * Returns 0 if session was not found
- *
- * @param string $original_session_id_value Original session id
- * @param string $original_session_id_name Original field name
- * @return int Session id
- */
- public static function get_session_id_from_original_id($original_session_id_value, $original_session_id_name)
- {
- $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
- $table_field = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
- $original_session_id_value = Database::escape_string($original_session_id_value);
- $original_session_id_name = Database::escape_string($original_session_id_name);
- $sql = "SELECT session_id
- FROM $table_field sf INNER JOIN $t_sfv sfv ON sfv.field_id=sf.id
- WHERE
- field_variable='$original_session_id_name' AND
- field_value='$original_session_id_value'";
- $res_session = Database::query($sql);
- $row = Database::fetch_object($res_session);
- if ($row) {
- return $row->session_id;
- } else {
- return 0;
- }
- }
- /**
- * Get users by session
- * @param int $id session id
- * @param int $status filter by status coach = 2
- * @return array a list with an user list
- */
- public static function get_users_by_session($id, $status = null)
- {
- if (empty($id)) {
- return array();
- }
- $id = intval($id);
- $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
- $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
- $sql = "SELECT $tbl_user.user_id, lastname, firstname, username
- FROM $tbl_user INNER JOIN $tbl_session_rel_user
- ON $tbl_user.user_id = $tbl_session_rel_user.id_user
- AND $tbl_session_rel_user.id_session = $id";
- if (isset($status) && $status != '') {
- $status = intval($status);
- $sql .= " WHERE relation_type = $status ";
- }
- $result = Database::query($sql);
- $return_array = array();
- while ($row = Database::fetch_array($result, 'ASSOC')) {
- $return_array[] = $row;
- }
- return $return_array;
- }
- /**
- * The general coach (field: session.id_coach)
- * @param int $user_id user id
- * @return array
- */
- public static function get_sessions_by_general_coach($user_id)
- {
- $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
- $user_id = intval($user_id);
- // Session where we are general coach
- $sql = "SELECT DISTINCT *
- FROM $session_table
- WHERE id_coach = $user_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 DISTINCT session.*
- FROM ' . $session_table . ' session INNER JOIN ' . $tbl_session_rel_access_url . ' session_rel_url
- ON (session.id = session_rel_url.session_id)
- WHERE id_coach = ' . $user_id . ' AND access_url_id = ' . $access_url_id;
- }
- }
- $sql .= ' ORDER by name';
- $result = Database::query($sql);
- return Database::store_result($result, 'ASSOC');
- }
- /**
- * @param int $user_id
- * @return array
- */
- public static function get_sessions_by_coach($user_id)
- {
- $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
- return Database::select('*', $session_table, array('where' => array('id_coach = ?' => $user_id)));
- }
- /**
- * @param int $user_id
- * @param string $course_code
- * @param int $session_id
- * @return array|bool
- */
- public static function get_user_status_in_course_session($user_id, $course_code, $session_id)
- {
- $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
- $sql = "SELECT session_rcru.status
- FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
- WHERE session_rcru.id_user = user.user_id AND
- session_rcru.id_session = '" . intval($session_id) . "' AND
- session_rcru.course_code ='" . Database::escape_string($course_code) . "' AND
- user.user_id = " . intval($user_id);
- $result = Database::query($sql);
- $status = false;
- if (Database::num_rows($result)) {
- $status = Database::fetch_row($result);
- $status = $status['0'];
- }
- return $status;
- }
- /**
- * Gets user status within a session
- * @param $user_id
- * @param $course_code
- * @param $session_id
- * @return int
- * @assert (null,null,null) === false
- */
- public static function get_user_status_in_session($user_id, $course_code, $session_id)
- {
- if (empty($user_id) or empty($course_code) or empty($session_id)) {
- return false;
- }
- $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
- $sql = "SELECT session_rcru.status
- FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
- WHERE session_rcru.id_user = user.user_id AND
- session_rcru.id_session = '" . intval($session_id) . "' AND
- session_rcru.course_code ='" . Database::escape_string($course_code) . "' AND
- user.user_id = " . intval($user_id);
- $result = Database::query($sql);
- $status = false;
- if (Database::num_rows($result)) {
- $status = Database::fetch_row($result);
- $status = $status['0'];
- }
- return $status;
- }
- /**
- * @param int $id
- * @return array
- */
- public static function get_all_sessions_by_promotion($id)
- {
- $t = Database::get_main_table(TABLE_MAIN_SESSION);
- return Database::select('*', $t, array('where' => array('promotion_id = ?' => $id)));
- }
- /**
- * @param int $promotion_id
- * @param array $list
- */
- public static function suscribe_sessions_to_promotion($promotion_id, $list)
- {
- $t = Database::get_main_table(TABLE_MAIN_SESSION);
- $params = array();
- $params['promotion_id'] = 0;
- Database::update($t, $params, array('promotion_id = ?' => $promotion_id));
- $params['promotion_id'] = $promotion_id;
- if (!empty($list)) {
- foreach ($list as $session_id) {
- $session_id = intval($session_id);
- Database::update($t, $params, array('id = ?' => $session_id));
- }
- }
- }
- /**
- * Updates a session status
- * @param int session id
- * @param int status
- */
- public static function set_session_status($session_id, $status)
- {
- $t = Database::get_main_table(TABLE_MAIN_SESSION);
- $params['visibility'] = $status;
- Database::update($t, $params, array('id = ?' => $session_id));
- }
- /**
- * Copies a session with the same data to a new session.
- * The new copy is not assigned to the same promotion. @see suscribe_sessions_to_promotions() for that
- * @param int Session ID
- * @param bool Whether to copy the relationship with courses
- * @param bool Whether to copy the relationship with users
- * @param bool New courses will be created
- * @return int The new session ID on success, 0 otherwise
- * @todo make sure the extra session fields are copied too
- */
- public static function copy_session($id, $copy_courses = true, $copy_users = true, $create_new_courses = false, $set_exercises_lp_invisible = false)
- {
- $id = intval($id);
- $s = self::fetch($id);
- $s['year_start'] = substr($s['date_start'], 0, 4);
- $s['month_start'] = substr($s['date_start'], 5, 2);
- $s['day_start'] = substr($s['date_start'], 8, 2);
- $s['year_end'] = substr($s['date_end'], 0, 4);
- $s['month_end'] = substr($s['date_end'], 5, 2);
- $s['day_end'] = substr($s['date_end'], 8, 2);
- $consider_start = true;
- if ($s['year_start'] . '-' . $s['month_start'] . '-' . $s['day_start'] == '0000-00-00') {
- $consider_start = false;
- }
- $consider_end = true;
- if ($s['year_end'] . '-' . $s['month_end'] . '-' . $s['day_end'] == '0000-00-00') {
- $consider_end = false;
- }
- $sid = self::create_session(
- $s['name'] . ' ' . get_lang('CopyLabelSuffix'),
- $s['year_start'],
- $s['month_start'],
- $s['day_start'],
- $s['year_end'],
- $s['month_end'],
- $s['day_end'],
- $s['nb_days_acess_before_beginning'],
- $s['nb_days_acess_after_end'],
- false,
- (int)$s['id_coach'],
- $s['session_category_id'],
- (int)$s['visibility'],
- $consider_start,
- $consider_end,
- true
- );
- if (!is_numeric($sid) || empty($sid)) {
- return false;
- }
- if ($copy_courses) {
- // Register courses from the original session to the new session
- $courses = self::get_course_list_by_session_id($id);
- $short_courses = $new_short_courses = array();
- if (is_array($courses) && count($courses) > 0) {
- foreach ($courses as $course) {
- $short_courses[] = $course;
- }
- }
- $courses = null;
- //We will copy the current courses of the session to new courses
- if (!empty($short_courses)) {
- if ($create_new_courses) {
- //Just in case
- if (function_exists('ini_set')) {
- api_set_memory_limit('256M');
- ini_set('max_execution_time', 0);
- }
- $params = array();
- $params['skip_lp_dates'] = true;
- foreach ($short_courses as $course_data) {
- $course_info = CourseManager::copy_course_simple($course_data['title'] . ' ' . get_lang('CopyLabelSuffix'), $course_data['course_code'], $id, $sid, $params);
- if ($course_info) {
- //By default new elements are invisible
- if ($set_exercises_lp_invisible) {
- require_once api_get_path(SYS_CODE_PATH) . 'newscorm/learnpathList.class.php';
- $list = new LearnpathList('', $course_info['code'], $sid);
- $flat_list = $list->get_flat_list();
- if (!empty($flat_list)) {
- foreach ($flat_list as $lp_id => $data) {
- api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0, 0, 0, 0, $sid);
- api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0, 0, 0, 0);
- }
- }
- $quiz_table = Database::get_course_table(TABLE_QUIZ_TEST);
- $course_id = $course_info['real_id'];
- //@todo check this query
- $sql = "UPDATE $quiz_table SET active = 0 WHERE c_id = $course_id ";
- $result = Database::query($sql);
- }
- $new_short_courses[] = $course_info['code'];
- }
- }
- } else {
- foreach ($short_courses as $course_data) {
- $new_short_courses[] = $course_data['code'];
- }
- }
- $short_courses = $new_short_courses;
- self::add_courses_to_session($sid, $short_courses, true);
- $short_courses = null;
- }
- }
- if ($copy_users) {
- // Register users from the original session to the new session
- $users = self::get_users_by_session($id);
- $short_users = array();
- if (is_array($users) && count($users) > 0) {
- foreach ($users as $user) {
- $short_users[] = $user['user_id'];
- }
- }
- $users = null;
- //Subscribing in read only mode
- self::suscribe_users_to_session($sid, $short_users, SESSION_VISIBLE_READ_ONLY, true, false);
- $short_users = null;
- }
- return $sid;
- }
- /**
- * @param int $user_id
- * @param int $session_id
- * @return bool
- */
- static function user_is_general_coach($user_id, $session_id)
- {
- $session_id = intval($session_id);
- $user_id = intval($user_id);
- $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
- $sql = "SELECT DISTINCT id
- FROM $session_table
- WHERE session.id_coach = '" . $user_id . "' AND id = '$session_id'";
- $result = Database::query($sql);
- if ($result && Database::num_rows($result)) {
- return true;
- }
- return false;
- }
- /**
- * Get the number of sessions
- * @param int ID of the URL we want to filter on (optional)
- * @return int Number of sessions
- */
- public static function count_sessions($access_url_id = null)
- {
- $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
- $access_url_rel_session_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
- $sql = "SELECT count(id) FROM $session_table s";
- if (!empty($access_url_id) && $access_url_id == intval($access_url_id)) {
- $sql .= ", $access_url_rel_session_table u " .
- " WHERE s.id = u.session_id AND u.access_url_id = $access_url_id";
- }
- $res = Database::query($sql);
- $row = Database::fetch_row($res);
- return $row[0];
- }
- /**
- * @param int $id
- */
- static function protect_session_edit($id)
- {
- api_protect_admin_script(true);
- $session_info = self::fetch($id);
- if (!api_is_platform_admin() && api_get_setting('allow_session_admins_to_manage_all_sessions') != 'true') {
- if ($session_info['session_admin_id'] != api_get_user_id()) {
- api_not_allowed(true);
- }
- }
- }
- static function protect_teacher_session_edit($id) {
- if (!api_is_coach($id) && !api_is_platform_admin()) {
- api_not_allowed(true);
- } else {
- return true;
- }
- }
- /**
- * @param string $course_code
- * @return array
- */
- public static function get_session_by_course($course_code)
- {
- $table_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
- $table_session = Database::get_main_table(TABLE_MAIN_SESSION);
- $course_code = Database::escape_string($course_code);
- $sql = "SELECT name, s.id
- FROM $table_session_course sc INNER JOIN $table_session s ON (sc.id_session = s.id)
- WHERE sc.course_code = '$course_code' ";
- $result = Database::query($sql);
- return Database::store_result($result);
- }
- /**
- * @param int $user_id
- * @param bool $ignore_visibility_for_admins
- * @return array
- */
- public static function get_sessions_by_user($user_id, $ignore_visibility_for_admins = false)
- {
- $session_categories = UserManager::get_sessions_by_category(
- $user_id,
- false,
- $ignore_visibility_for_admins
- );
- $session_array = array();
- if (!empty($session_categories)) {
- foreach ($session_categories as $category) {
- if (isset($category['sessions'])) {
- foreach ($category['sessions'] as $session) {
- $session_array[] = $session;
- }
- }
- }
- }
- return $session_array;
- }
- /**
- * @param string $file
- * @param bool $updateSession options:
- * true: if the session exists it will be updated.
- * false: if session exists a new session will be created adding a counter session1, session2, etc
- * @param int $defaultUserId
- * @param mixed $logger
- * @param array $extraFields convert a file row to an extra field. Example in CSV file there's a SessionID then it will
- * converted to extra_external_session_id if you set this: array('SessionId' => 'extra_external_session_id')
- * @param string $extraFieldId
- * @param int $daysCoachAccessBeforeBeginning
- * @param int $daysCoachAccessAfterBeginning
- * @param int $sessionVisibility
- * @param array $fieldsToAvoidUpdate
- * @param bool $deleteUsersNotInList
- * @param bool $updateCourseCoaches
- * @param bool $sessionWithCoursesModifier
- * @return array
- */
- static function importCSV(
- $file,
- $updateSession,
- $defaultUserId = null,
- $logger = null,
- $extraFields = array(),
- $extraFieldId = null,
- $daysCoachAccessBeforeBeginning = null,
- $daysCoachAccessAfterBeginning = null,
- $sessionVisibility = 1,
- $fieldsToAvoidUpdate = array(),
- $deleteUsersNotInList = false,
- $updateCourseCoaches = false,
- $sessionWithCoursesModifier = false,
- $addOriginalCourseTeachersAsCourseSessionCoaches = true,
- $removeAllTeachersFromCourse = true
- ) {
- $content = file($file);
- $error_message = null;
- $session_counter = 0;
- if (empty($defaultUserId)) {
- $defaultUserId = api_get_user_id();
- }
- $eol = PHP_EOL;
- if (PHP_SAPI != 'cli') {
- $eol = '<br />';
- }
- $debug = false;
- if (isset($logger)) {
- $debug = true;
- }
- $extraParameters = null;
- if (!empty($daysCoachAccessBeforeBeginning) && !empty($daysCoachAccessAfterBeginning)) {
- $extraParameters .= ' , nb_days_access_before_beginning = '.intval($daysCoachAccessBeforeBeginning);
- $extraParameters .= ' , nb_days_access_after_end = '.intval($daysCoachAccessAfterBeginning);
- }
- $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
- $tbl_session_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
- $tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
- $tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $sessions = array();
- if (!api_strstr($content[0], ';')) {
- $error_message = get_lang('NotCSV');
- } else {
- $tag_names = array();
- foreach ($content as $key => $enreg) {
- $enreg = explode(';', trim($enreg));
- if ($key) {
- foreach ($tag_names as $tag_key => $tag_name) {
- $sessions[$key - 1][$tag_name] = $enreg[$tag_key];
- }
- } else {
- foreach ($enreg as $tag_name) {
- $tag_names[] = api_preg_replace('/[^a-zA-Z0-9_\-]/', '', $tag_name);
- }
- if (!in_array('SessionName', $tag_names) ||
- !in_array('DateStart', $tag_names) ||
- !in_array('DateEnd', $tag_names)
- ) {
- $error_message = get_lang('NoNeededData');
- break;
- }
- }
- }
- $sessionList = array();
- // Looping the sessions.
- foreach ($sessions as $enreg) {
- $user_counter = 0;
- $course_counter = 0;
- if (isset($extraFields) && !empty($extraFields)) {
- foreach ($extraFields as $original => $to) {
- $enreg[$to] = isset($enreg[$original]) ? $enreg[$original] : null;
- }
- }
- $session_name = Database::escape_string($enreg['SessionName']);
- // Default visibility
- $visibilityAfterExpirationPerSession = $sessionVisibility;
- if (isset($enreg['VisibilityAfterExpiration'])) {
- $visibility = $enreg['VisibilityAfterExpiration'];
- switch ($visibility) {
- case 'read_only':
- $visibilityAfterExpirationPerSession = SESSION_VISIBLE_READ_ONLY;
- break;
- case 'accessible':
- $visibilityAfterExpirationPerSession = SESSION_VISIBLE;
- break;
- case 'not_accessible':
- $visibilityAfterExpirationPerSession = SESSION_INVISIBLE;
- break;
- }
- }
- if (empty($session_name)) {
- continue;
- }
- $date_start = $enreg['DateStart'];
- $date_end = $enreg['DateEnd'];
- $session_category_id = isset($enreg['SessionCategory']) ? $enreg['SessionCategory'] : null;
- $sessionDescription = isset($enreg['SessionDescription']) ? $enreg['SessionDescription'] : null;
- $extraSessionParameters = null;
- if (!empty($sessionDescription)) {
- $extraSessionParameters = " , description = '".Database::escape_string($sessionDescription)."'";
- }
- // Searching a general coach.
- if (!empty($enreg['Coach'])) {
- $coach_id = UserManager::get_user_id_from_username($enreg['Coach']);
- if ($coach_id === false) {
- // If the coach-user does not exist - I'm the coach.
- $coach_id = $defaultUserId;
- }
- } else {
- $coach_id = $defaultUserId;
- }
- if (!$updateSession) {
- // Always create a session.
- $unique_name = false;
- $i = 0;
- // Change session name, verify that session doesn't exist.
- $suffix = null;
- while (!$unique_name) {
- if ($i > 1) {
- $suffix = ' - ' . $i;
- }
- $sql = 'SELECT 1 FROM ' . $tbl_session . ' WHERE name="' . $session_name . $suffix . '"';
- $rs = Database::query($sql);
- if (Database::result($rs, 0, 0)) {
- $i++;
- } else {
- $unique_name = true;
- $session_name .= $suffix;
- }
- }
- // Creating the session.
- $sql = "INSERT IGNORE INTO $tbl_session SET
- name = '" . $session_name . "',
- id_coach = '$coach_id',
- date_start = '$date_start',
- date_end = '$date_end',
- visibility = '$visibilityAfterExpirationPerSession',
- session_category_id = '$session_category_id',
- session_admin_id = " . intval($defaultUserId) . $extraParameters . $extraSessionParameters;
- Database::query($sql);
- $session_id = Database::insert_id();
- if ($debug) {
- if ($session_id) {
- foreach ($enreg as $key => $value) {
- if (substr($key, 0, 6) == 'extra_') { //an extra field
- self::update_session_extra_field_value($session_id, substr($key, 6), $value);
- }
- }
- $logger->addInfo("Sessions - Session created: #$session_id - $session_name");
- } else {
- $logger->addError("Sessions - Session NOT created: $session_name");
- }
- }
- $session_counter++;
- } else {
- $sessionId = null;
- if (isset($extraFields) && !empty($extraFields) && !empty($enreg['extra_'.$extraFieldId])) {
- $sessionId = self::get_session_id_from_original_id($enreg['extra_'.$extraFieldId], $extraFieldId);
- if (empty($sessionId)) {
- $my_session_result = false;
- } else {
- $my_session_result = true;
- }
- } else {
- $my_session_result = self::get_session_by_name($enreg['SessionName']);
- }
- if ($my_session_result === false) {
- // Creating a session.
- $sql_session = "INSERT IGNORE INTO $tbl_session SET
- name = '$session_name',
- id_coach = '$coach_id',
- date_start = '$date_start',
- date_end = '$date_end',
- visibility = '$visibilityAfterExpirationPerSession',
- session_category_id = '$session_category_id' " . $extraParameters . $extraSessionParameters;
- Database::query($sql_session);
- // We get the last insert id.
- $my_session_result = SessionManager::get_session_by_name($enreg['SessionName']);
- $session_id = $my_session_result['id'];
- if ($session_id) {
- foreach ($enreg as $key => $value) {
- if (substr($key, 0, 6) == 'extra_') { //an extra field
- self::update_session_extra_field_value($session_id, substr($key, 6), $value);
- }
- }
- if ($debug) {
- $logger->addInfo("Sessions - #$session_id created: $session_name");
- }
- // Delete session-user relation only for students
- $sql = "DELETE FROM $tbl_session_user
- WHERE id_session = '$session_id' AND relation_type <> " . SESSION_RELATION_TYPE_RRHH;
- Database::query($sql);
- $sql = "DELETE FROM $tbl_session_course WHERE id_session = '$session_id'";
- Database::query($sql);
- // Delete session-course-user relationships students and coaches.
- if ($updateCourseCoaches) {
- $sql = "DELETE FROM $tbl_session_course_user WHERE id_session = '$session_id' AND status in ('0', '2')";
- Database::query($sql);
- } else {
- // Delete session-course-user relation ships *only* for students.
- $sql = "DELETE FROM $tbl_session_course_user WHERE id_session = '$session_id' AND status <> 2";
- Database::query($sql);
- }
- }
- } else {
- if ($debug) {
- $logger->addError("Sessions - Session to be updated: $session_name");
- }
- // Updating the session.
- $params = array(
- 'id_coach' => $coach_id,
- 'date_start' => $date_start,
- 'date_end' => $date_end,
- 'visibility' => $visibilityAfterExpirationPerSession,
- 'session_category_id' => $session_category_id
- );
- if (!empty($sessionDescription)) {
- $params['description'] = $sessionDescription;
- }
- if (!empty($fieldsToAvoidUpdate)) {
- foreach ($fieldsToAvoidUpdate as $field) {
- unset($params[$field]);
- }
- }
- if (isset($sessionId) && !empty($sessionId)) {
- if (!empty($enreg['SessionName'])) {
- $params['name'] = $enreg['SessionName'];
- }
- Database::update($tbl_session, $params, array('id = ?' => $sessionId));
- $session_id = $sessionId;
- } else {
- Database::update($tbl_session, $params, array("name = '?' " => $enreg['SessionName']));
- $row = Database::query("SELECT id FROM $tbl_session WHERE name = '$session_name'");
- list($session_id) = Database::fetch_array($row);
- }
- if ($session_id) {
- foreach ($enreg as $key => $value) {
- if (substr($key, 0, 6) == 'extra_') { //an extra field
- self::update_session_extra_field_value($session_id, substr($key, 6), $value);
- }
- }
- // Delete session-user relation only for students
- $sql = "DELETE FROM $tbl_session_user
- WHERE id_session = '$session_id' AND relation_type <> " . SESSION_RELATION_TYPE_RRHH;
- Database::query($sql);
- $sql = "DELETE FROM $tbl_session_course WHERE id_session = '$session_id'";
- Database::query($sql);
- // Delete session-course-user relationships students and coaches.
- if ($updateCourseCoaches) {
- $sql = "DELETE FROM $tbl_session_course_user WHERE id_session = '$session_id' AND status in ('0', '2')";
- Database::query($sql);
- } else {
- // Delete session-course-user relation ships *only* for students.
- $sql = "DELETE FROM $tbl_session_course_user WHERE id_session = '$session_id' AND status <> 2";
- Database::query($sql);
- }
- }
- }
- $session_counter++;
- }
- $sessionList[] = $session_id;
- $users = explode('|', $enreg['Users']);
- // Adding the relationship "Session - User" for students
- $userList = array();
- if (is_array($users)) {
- foreach ($users as $user) {
- $user_id = UserManager::get_user_id_from_username($user);
- if ($user_id !== false) {
- $userList[] = $user_id;
- // Insert new users.
- $sql = "INSERT IGNORE INTO $tbl_session_user SET
- id_user = '$user_id',
- id_session = '$session_id'";
- Database::query($sql);
- if ($debug) {
- $logger->addInfo("Sessions - Adding User #$user_id ($user) to session #$session_id");
- }
- $user_counter++;
- }
- }
- }
- if ($deleteUsersNotInList) {
- // Getting user in DB in order to compare to the new list.
- $usersListInDatabase = self::get_users_by_session($session_id, 0);
- if (!empty($usersListInDatabase)) {
- if (empty($userList)) {
- foreach ($usersListInDatabase as $userInfo) {
- self::unsubscribe_user_from_session($session_id, $userInfo['user_id']);
- }
- } else {
- foreach ($usersListInDatabase as $userInfo) {
- if (!in_array($userInfo['user_id'], $userList)) {
- self::unsubscribe_user_from_session($session_id, $userInfo['user_id']);
- }
- }
- }
- }
- }
- $courses = explode('|', $enreg['Courses']);
- // See BT#6449
- $onlyAddFirstCoachOrTeacher = false;
- if ($sessionWithCoursesModifier) {
- if (count($courses) >= 2) {
- // Only first teacher in course session;
- $onlyAddFirstCoachOrTeacher = true;
- // Remove all teachers from course.
- $removeAllTeachersFromCourse = false;
- }
- }
- foreach ($courses as $course) {
- $courseArray = bracketsToArray($course);
- $course_code = $courseArray[0];
- if (CourseManager::course_exists($course_code)) {
- $courseInfo = api_get_course_info($course_code);
- // Adding the course to a session.
- $sql = "INSERT IGNORE INTO $tbl_session_course
- SET course_code = '$course_code', id_session='$session_id'";
- Database::query($sql);
- $course_info = api_get_course_info($course_code);
- SessionManager::installCourse($session_id, $course_info['real_id']);
- if ($debug) {
- $logger->addInfo("Sessions - Adding course '$course_code' to session #$session_id");
- }
- $course_counter++;
- $course_coaches = isset($courseArray[1]) ? $courseArray[1] : null;
- $course_users = isset($courseArray[2]) ? $courseArray[2] : null;
- $course_users = explode(',', $course_users);
- $course_coaches = explode(',', $course_coaches);
- // Checking if the flag is set TeachersWillBeAddedAsCoachInAllCourseSessions (course_edit.php)
- $addTeachersToSession = true;
- if (array_key_exists('add_teachers_to_sessions_courses', $courseInfo)) {
- $addTeachersToSession = $courseInfo['add_teachers_to_sessions_courses'];
- }
- // If any user provided for a course, use the users array.
- if (empty($course_users)) {
- if (!empty($userList)) {
- SessionManager::subscribe_users_to_session_course(
- $userList,
- $session_id,
- $course_code
- );
- if ($debug) {
- $msg = "Sessions - Adding student list ".implode(', #', $userList)." to course: '$course_code' and session #$session_id";
- $logger->addInfo($msg);
- }
- }
- }
- // Adding coaches to session course user.
- if (!empty($course_coaches)) {
- $savedCoaches = array();
- // only edit if add_teachers_to_sessions_courses is set.
- if ($addTeachersToSession) {
- if ($addOriginalCourseTeachersAsCourseSessionCoaches) {
- // Adding course teachers as course session teachers.
- $alreadyAddedTeachers = CourseManager::get_teacher_list_from_course_code(
- $course_code
- );
- if (!empty($alreadyAddedTeachers)) {
- $teachersToAdd = array();
- foreach ($alreadyAddedTeachers as $user) {
- $teachersToAdd[] = $user['username'];
- }
- $course_coaches = array_merge(
- $course_coaches,
- $teachersToAdd
- );
- }
- }
- foreach ($course_coaches as $course_coach) {
- $coach_id = UserManager::get_user_id_from_username($course_coach);
- if ($coach_id !== false) {
- // Just insert new coaches
- SessionManager::updateCoaches($session_id, $course_code, array($coach_id), false);
- if ($debug) {
- $logger->addInfo("Sessions - Adding course coach: user #$coach_id ($course_coach) to course: '$course_code' and session #$session_id");
- }
- $savedCoaches[] = $coach_id;
- } else {
- $error_message .= get_lang('UserDoesNotExist').' : '.$course_coach.$eol;
- }
- }
- }
- // Custom courses/session coaches
- $teacherToAdd = null;
- // Only one coach is added.
- if ($onlyAddFirstCoachOrTeacher == true) {
- foreach ($course_coaches as $course_coach) {
- $coach_id = UserManager::get_user_id_from_username($course_coach);
- if ($coach_id !== false) {
- $teacherToAdd = $coach_id;
- break;
- }
- }
- // Un subscribe everyone that's not in the list.
- $teacherList = CourseManager::get_teacher_list_from_course_code($course_code);
- if (!empty($teacherList)) {
- foreach ($teacherList as $teacher) {
- if ($teacherToAdd != $teacher['user_id']) {
- CourseManager::unsubscribe_user(
- $teacher['user_id'],
- $course_code
- );
- }
- }
- }
- if (!empty($teacherToAdd)) {
- SessionManager::updateCoaches($session_id, $course_code, array($teacherToAdd), true);
- CourseManager::subscribe_user(
- $teacherToAdd,
- $course_code,
- COURSEMANAGER
- );
- }
- }
- // See BT#6449#note-195
- // All coaches are added.
- if ($removeAllTeachersFromCourse) {
- $teacherToAdd = null;
- foreach ($course_coaches as $course_coach) {
- $coach_id = UserManager::get_user_id_from_username(
- $course_coach
- );
- if ($coach_id !== false) {
- $teacherToAdd[] = $coach_id;
- }
- }
- if (!empty($teacherToAdd)) {
- // Deleting all course teachers and adding the only coach as teacher.
- $teacherList = CourseManager::get_teacher_list_from_course_code($course_code);
- if (!empty($teacherList)) {
- foreach ($teacherList as $teacher) {
- if (!in_array($teacher['user_id'], $teacherToAdd)) {
- CourseManager::unsubscribe_user(
- $teacher['user_id'],
- $course_code
- );
- }
- }
- }
- foreach ($teacherToAdd as $teacherId) {
- CourseManager::subscribe_user(
- $teacherId,
- $course_code,
- COURSEMANAGER
- );
- }
- }
- }
- // Continue default behaviour.
- if ($onlyAddFirstCoachOrTeacher == false) {
- // Checking one more time see BT#6449#note-149
- $coaches = SessionManager::getCoachesByCourseSession($session_id, $course_code);
- // Update coaches if only there's 1 course see BT#6449#note-189
- if (empty($coaches) || count($courses) == 1) {
- foreach ($course_coaches as $course_coach) {
- $course_coach = trim($course_coach);
- $coach_id = UserManager::get_user_id_from_username($course_coach);
- if ($coach_id !== false) {
- // Just insert new coaches
- SessionManager::updateCoaches(
- $session_id,
- $course_code,
- array($coach_id),
- false
- );
- if ($debug) {
- $logger->addInfo("Sessions - Adding course coach: user #$coach_id ($course_coach) to course: '$course_code' and session #$session_id");
- }
- $savedCoaches[] = $coach_id;
- } else {
- $error_message .= get_lang('UserDoesNotExist').' : '.$course_coach.$eol;
- }
- }
- }
- }
- }
- // Adding Students, updating relationship "Session - Course - User".
- $course_users = array_filter($course_users);
- if (!empty($course_users)) {
- foreach ($course_users as $user) {
- $user_id = UserManager::get_user_id_from_username($user);
- if ($user_id !== false) {
- SessionManager::subscribe_users_to_session_course(
- array($user_id),
- $session_id,
- $course_code
- );
- if ($debug) {
- $logger->addInfo("Sessions - Adding student: user #$user_id ($user) to course: '$course_code' and session #$session_id");
- }
- } else {
- $error_message .= get_lang('UserDoesNotExist').': '.$user.$eol;
- }
- }
- }
- $course_info = CourseManager::get_course_information($course_code);
- $inserted_in_course[$course_code] = $course_info['title'];
- }
- }
- $access_url_id = api_get_current_access_url_id();
- UrlManager::add_session_to_url($session_id, $access_url_id);
- $sql = "UPDATE $tbl_session SET nbr_users = '$user_counter', nbr_courses = '$course_counter' WHERE id = '$session_id'";
- Database::query($sql);
- }
- }
- return array(
- 'error_message' => $error_message,
- 'session_counter' => $session_counter,
- 'session_list' => $sessionList
- );
- }
- /**
- * @param int $sessionId
- * @param string $courseCode
- * @return array
- */
- public static function getCoachesByCourseSession($sessionId, $courseCode)
- {
- $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $sessionId = intval($sessionId);
- $courseCode = Database::escape_string($courseCode);
- $sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user WHERE id_session = '$sessionId' AND course_code = '$courseCode' AND status = 2";
- $result = Database::query($sql);
- $coaches = array();
- if (Database::num_rows($result) > 0) {
- while ($row = Database::fetch_row($result)) {
- $coaches[] = $row[0];
- }
- }
- return $coaches;
- }
- /**
- * Get all coaches added in the session - course relationship
- * @param int $sessionId
- * @return array
- */
- public static function getCoachesBySession($sessionId)
- {
- $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $sessionId = intval($sessionId);
- $sql = "SELECT DISTINCT id_user FROM $table
- WHERE id_session = '$sessionId' AND status = 2";
- $result = Database::query($sql);
- $coaches = array();
- if (Database::num_rows($result) > 0) {
- while ($row = Database::fetch_array($result)) {
- $coaches[] = $row['id_user'];
- }
- }
- return $coaches;
- }
- /**
- * @param int $userId
- * @return array
- */
- public static function getAllCoursesFromAllSessionFromDrh($userId)
- {
- $sessions = SessionManager::get_sessions_followed_by_drh($userId);
- $coursesFromSession = array();
- if (!empty($sessions)) {
- foreach ($sessions as $session) {
- $courseList = SessionManager::get_course_list_by_session_id($session['id']);
- foreach ($courseList as $course) {
- $coursesFromSession[] = $course['code'];
- }
- }
- }
- return $coursesFromSession;
- }
- /**
- * @param string $status
- * @param int $userId
- * @param bool $getCount
- * @param int $from
- * @param int $numberItems
- * @param int $column
- * @param string $direction
- * @param string $keyword
- * @param string $active
- * @param string $lastConnectionDate
- * @param array $sessionIdList
- * @param array $studentIdList
- * @param int $filterByStatus
- * @return array|int
- */
- public static function getAllUsersFromCoursesFromAllSessionFromStatus(
- $status,
- $userId,
- $getCount = false,
- $from = null,
- $numberItems = null,
- $column = 1,
- $direction = 'asc',
- $keyword = null,
- $active = null,
- $lastConnectionDate = null,
- $sessionIdList = array(),
- $studentIdList = array(),
- $filterByStatus = null
- ) {
- $filterByStatus = intval($filterByStatus);
- $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
- $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
- $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
- $tbl_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $tbl_course_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
- $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
- $direction = in_array(strtolower($direction), array('asc', 'desc')) ? $direction : 'asc';
- $column = Database::escape_string($column);
- $userId = intval($userId);
- $limitCondition = null;
- if (isset($from) && isset($numberItems)) {
- $from = intval($from);
- $numberItems = intval($numberItems);
- $limitCondition = "LIMIT $from, $numberItems";
- }
- $urlId = api_get_current_access_url_id();
- $sessionConditions = null;
- $courseConditions = null;
- $userConditions = null;
- if (isset($active)) {
- $active = intval($active);
- $userConditions .= " AND active = $active";
- }
- switch ($status) {
- case 'drh':
- // Classic DRH
- if (empty($studentIdList)) {
- $studentListSql = UserManager::get_users_followed_by_drh(
- $userId,
- $filterByStatus,
- true,
- false
- );
- $studentIdList = array_keys($studentListSql);
- $studentListSql = "'".implode("','", $studentIdList)."'";
- } else {
- $studentIdList = array_map('intval', $studentIdList);
- $studentListSql = "'".implode("','", $studentIdList)."'";
- }
- if (!empty($studentListSql)) {
- $userConditions = " AND u.user_id IN (".$studentListSql.") ";
- }
- break;
- case 'drh_all':
- // Show all by DRH
- if (empty($sessionIdList)) {
- $sessionsListSql = SessionManager::get_sessions_followed_by_drh(
- $userId,
- null,
- null,
- false,
- true,
- true
- );
- } else {
- $sessionIdList = array_map('intval', $sessionIdList);
- $sessionsListSql = "'".implode("','", $sessionIdList)."'";
- }
- if (!empty($sessionsListSql)) {
- $sessionConditions = " AND s.id IN (".$sessionsListSql.") ";
- }
- break;
- case 'session_admin';
- $sessionConditions = " AND s.id_coach = $userId ";
- break;
- case 'admin':
- break;
- case 'teacher':
- $sessionConditions = " AND s.id_coach = $userId ";
- // $statusConditions = " AND s.id_coach = $userId";
- break;
- }
- $select = "SELECT DISTINCT u.* ";
- $masterSelect = "SELECT DISTINCT * FROM ";
- if ($getCount) {
- $select = "SELECT DISTINCT u.user_id ";
- $masterSelect = "SELECT COUNT(DISTINCT(user_id)) as count FROM ";
- }
- if (!empty($filterByStatus)) {
- $userConditions .= " AND u.status = ".$filterByStatus;
- }
- if (!empty($lastConnectionDate)) {
- $lastConnectionDate = Database::escape_string($lastConnectionDate);
- $userConditions .= " AND u.last_login <= '$lastConnectionDate' ";
- }
- if (!empty($keyword)) {
- $keyword = Database::escape_string($keyword);
- $userConditions .= " AND (
- u.username LIKE '%$keyword%' OR
- u.firstname LIKE '%$keyword%' OR
- u.lastname LIKE '%$keyword%' OR
- u.official_code LIKE '%$keyword%' OR
- u.email LIKE '%$keyword%'
- )";
- }
- $where = " WHERE
- access_url_id = $urlId
- $userConditions
- ";
- $sql = "$masterSelect (
- ($select
- FROM $tbl_session s
- INNER JOIN $tbl_session_rel_course_rel_user su ON (s.id = su.id_session)
- INNER JOIN $tbl_user u ON (u.user_id = su.id_user AND s.id = id_session)
- INNER JOIN $tbl_session_rel_access_url url ON (url.session_id = s.id)
- $where
- $sessionConditions
- )
- UNION (
- $select
- FROM $tbl_course c
- INNER JOIN $tbl_course_user cu ON (cu.course_code = c.code)
- INNER JOIN $tbl_user u ON (u.user_id = cu.user_id)
- INNER JOIN $tbl_course_rel_access_url url ON (url.course_code = c.code)
- $where
- $courseConditions
- )
- ) as t1
- ";
- if ($getCount) {
- $result = Database::query($sql);
- $count = 0;
- if (Database::num_rows($result)) {
- $rows = Database::fetch_array($result);
- $count = $rows['count'];
- }
- return $count;
- }
- if (!empty($column) && !empty($direction)) {
- $column = str_replace('u.', '', $column);
- $sql .= " ORDER BY $column $direction ";
- }
- $sql .= $limitCondition;
- $result = Database::query($sql);
- $result = Database::store_result($result);
- return $result ;
- }
- /**
- * @param int $sessionId
- * @param string $courseCode
- * @param array $coachList
- * @param bool $deleteCoachesNotInList
- */
- public static function updateCoaches($sessionId, $courseCode, $coachList, $deleteCoachesNotInList = false)
- {
- $currentCoaches = self::getCoachesByCourseSession($sessionId, $courseCode);
- if (!empty($coachList)) {
- foreach ($coachList as $userId) {
- self::set_coach_to_course_session($userId, $sessionId, $courseCode);
- }
- }
- if ($deleteCoachesNotInList) {
- if (!empty($coachList)) {
- $coachesToDelete = array_diff($currentCoaches, $coachList);
- } else {
- $coachesToDelete = $currentCoaches;
- }
- if (!empty($coachesToDelete)) {
- foreach ($coachesToDelete as $userId) {
- self::set_coach_to_course_session($userId, $sessionId, $courseCode, true);
- }
- }
- }
- }
- /**
- * @param array $sessions
- * @param array $sessionsDestination
- * @return string
- */
- public static function copyStudentsFromSession($sessions, $sessionsDestination)
- {
- $messages = array();
- if (!empty($sessions)) {
- foreach ($sessions as $sessionId) {
- $sessionInfo = self::fetch($sessionId);
- $userList = self::get_users_by_session($sessionId, 0);
- if (!empty($userList)) {
- $newUserList = array();
- $userToString = null;
- foreach ($userList as $userInfo) {
- $newUserList[] = $userInfo['user_id'];
- $userToString .= $userInfo['firstname'] . ' ' . $userInfo['lastname'] . '<br />';
- }
- if (!empty($sessionsDestination)) {
- foreach ($sessionsDestination as $sessionDestinationId) {
- $sessionDestinationInfo = self::fetch($sessionDestinationId);
- $messages[] = Display::return_message(
- sprintf(get_lang('AddingStudentsFromSessionXToSessionY'), $sessionInfo['name'], $sessionDestinationInfo['name']), 'info', false
- );
- if ($sessionId == $sessionDestinationId) {
- $messages[] = Display::return_message(sprintf(get_lang('SessionXSkipped'), $sessionDestinationId), 'warning', false);
- continue;
- }
- $messages[] = Display::return_message(get_lang('StudentList') . '<br />' . $userToString, 'info', false);
- SessionManager::suscribe_users_to_session($sessionDestinationId, $newUserList, SESSION_VISIBLE_READ_ONLY, false);
- }
- } else {
- $messages[] = Display::return_message(get_lang('NoDestinationSessionProvided'), 'warning');
- }
- } else {
- $messages[] = Display::return_message(get_lang('NoStudentsFoundForSession') . ' #' . $sessionInfo['name'], 'warning');
- }
- }
- } else {
- $messages[] = Display::return_message(get_lang('NoData'), 'warning');
- }
- return $messages;
- }
- /**
- * Assign coaches of a session(s) as teachers to a given course (or courses)
- * @param array A list of session IDs
- * @param array A list of course IDs
- * @return string
- */
- public static function copyCoachesFromSessionToCourse($sessions, $courses)
- {
- $coachesPerSession = array();
- foreach ($sessions as $sessionId) {
- $coaches = self::getCoachesBySession($sessionId);
- $coachesPerSession[$sessionId] = $coaches;
- }
- $result = array();
- if (!empty($courses)) {
- foreach ($courses as $courseId) {
- $courseInfo = api_get_course_info_by_id($courseId);
- foreach ($coachesPerSession as $sessionId => $coachList) {
- CourseManager::updateTeachers(
- $courseInfo['code'], $coachList, false, false, false
- );
- $result[$courseInfo['code']][$sessionId] = $coachList;
- }
- }
- }
- $sessionUrl = api_get_path(WEB_CODE_PATH) . 'admin/resume_session.php?id_session=';
- $htmlResult = null;
- if (!empty($result)) {
- foreach ($result as $courseCode => $data) {
- $url = api_get_course_url($courseCode);
- $htmlResult .= sprintf(get_lang('CoachesSubscribedAsATeacherInCourseX'), Display::url($courseCode, $url, array('target' => '_blank')));
- foreach ($data as $sessionId => $coachList) {
- $sessionInfo = self::fetch($sessionId);
- $htmlResult .= '<br />';
- $htmlResult .= Display::url(
- get_lang('Session') . ': ' . $sessionInfo['name'] . ' <br />', $sessionUrl . $sessionId, array('target' => '_blank')
- );
- $teacherList = array();
- foreach ($coachList as $coachId) {
- $userInfo = api_get_user_info($coachId);
- $teacherList[] = $userInfo['complete_name'];
- }
- if (!empty($teacherList)) {
- $htmlResult .= implode(', ', $teacherList);
- } else {
- $htmlResult .= get_lang('NothingToAdd');
- }
- }
- $htmlResult .= '<br />';
- }
- $htmlResult = Display::return_message($htmlResult, 'normal', false);
- }
- return $htmlResult;
- }
- /**
- * @param string $keyword
- * @param string $active
- * @param string $lastConnectionDate
- * @param array $sessionIdList
- * @param array $studentIdList
- * @param int $userStatus STUDENT|COURSEMANAGER constants
- *
- * @return array|int
- */
- public static function getCountUserTracking(
- $keyword = null,
- $active = null,
- $lastConnectionDate = null,
- $sessionIdList = array(),
- $studentIdList = array(),
- $filterUserStatus = null
- ) {
- $userId = api_get_user_id();
- $drhLoaded = false;
- if (api_is_drh()) {
- if (api_drh_can_access_all_session_content()) {
- $count = self::getAllUsersFromCoursesFromAllSessionFromStatus(
- 'drh_all',
- $userId,
- true,
- null,
- null,
- null,
- null,
- $keyword,
- $active,
- $lastConnectionDate,
- $sessionIdList,
- $studentIdList,
- $filterUserStatus
- );
- $drhLoaded = true;
- }
- }
- if ($drhLoaded == false) {
- $count = UserManager::getUsersFollowedByUser(
- $userId,
- $filterUserStatus,
- false,
- false,
- true,
- null,
- null,
- null,
- null,
- $active,
- $lastConnectionDate,
- COURSEMANAGER,
- $keyword
- );
- }
- return $count;
- }
- /**
- * Get teachers followed by a user
- * @param int $userId
- * @param int $active
- * @param string $lastConnectionDate
- * @param bool $getCount
- * @param array $sessionIdList
- * @return array|int
- */
- public static function getTeacherTracking(
- $userId,
- $active = 1,
- $lastConnectionDate = null,
- $getCount = false,
- $sessionIdList = array()
- ) {
- $teacherResult = array();
- if (api_is_drh() || api_is_platform_admin()) {
- // Followed teachers by drh
- if (api_drh_can_access_all_session_content()) {
- if (empty($sessionIdList)) {
- $sessions = SessionManager::get_sessions_followed_by_drh($userId);
- $sessionIdList = array();
- foreach ($sessions as $session) {
- $sessionIdList[] = $session['id'];
- }
- }
- $sessionIdList = array_map('intval', $sessionIdList);
- $sessionToString = implode("', '", $sessionIdList);
- $course = Database::get_main_table(TABLE_MAIN_COURSE);
- $sessionCourse = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
- $courseUser = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- // Select the teachers.
- $sql = "SELECT DISTINCT(cu.user_id) FROM $course c
- INNER JOIN $sessionCourse src ON c.code = src.course_code
- INNER JOIN $courseUser cu ON (cu.course_code = c.code)
- WHERE src.id_session IN ('$sessionToString') AND cu.status = 1";
- $result = Database::query($sql);
- $teacherListId = array();
- while($row = Database::fetch_array($result, 'ASSOC')) {
- $teacherListId[$row['user_id']] = $row['user_id'];
- }
- } else {
- $teacherResult = UserManager::get_users_followed_by_drh($userId, COURSEMANAGER);
- $teacherListId = array();
- foreach ($teacherResult as $userInfo) {
- $teacherListId[] = $userInfo['user_id'];
- }
- }
- }
- if (!empty($teacherListId)) {
- $tableUser = Database::get_main_table(TABLE_MAIN_USER);
- $select = "SELECT DISTINCT u.* ";
- if ($getCount) {
- $select = "SELECT count(DISTINCT(u.user_id)) as count";
- }
- $sql = "$select FROM $tableUser u";
- if (!empty($lastConnectionDate)) {
- $tableLogin = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
- //$sql .= " INNER JOIN $tableLogin l ON (l.login_user_id = u.user_id) ";
- }
- $active = intval($active);
- $teacherListId = implode("','", $teacherListId);
- $where = " WHERE u.active = $active AND u.user_id IN ('$teacherListId') ";
- if (!empty($lastConnectionDate)) {
- $lastConnectionDate = Database::escape_string($lastConnectionDate);
- //$where .= " AND l.login_date <= '$lastConnectionDate' ";
- }
- $sql .= $where;
- $result = Database::query($sql);
- if (Database::num_rows($result)) {
- if ($getCount) {
- $row = Database::fetch_array($result);
- return $row['count'];
- } else {
- return Database::store_result($result, 'ASSOC');
- }
- }
- }
- return 0;
- }
- /**
- * Get the list of course tools that have to be dealt with in case of
- * registering any course to a session
- * @return array The list of tools to be dealt with (literal names)
- */
- public static function getCourseToolToBeManaged()
- {
- return array(
- 'courseDescription',
- 'courseIntroduction'
- );
- }
- /**
- * Calls the methods bound to each tool when a course is registered into a session
- * @param int $sessionId
- * @param int $courseId
- * @return void
- */
- public static function installCourse($sessionId, $courseId)
- {
- return true;
- $toolList = self::getCourseToolToBeManaged();
- foreach ($toolList as $tool) {
- $method = 'add' . $tool;
- if (method_exists(get_class(), $method)) {
- self::$method($sessionId, $courseId);
- }
- }
- }
- /**
- * Calls the methods bound to each tool when a course is unregistered from
- * a session
- * @param int $sessionId
- * @param int $courseId
- */
- public static function unInstallCourse($sessionId, $courseId)
- {
- return true;
- $toolList = self::getCourseToolToBeManaged();
- foreach ($toolList as $tool) {
- $method = 'remove' . $tool;
- if (method_exists(get_class(), $method)) {
- self::$method($sessionId, $courseId);
- }
- }
- }
- /**
- * @param int $sessionId
- * @param int $courseId
- */
- public static function addCourseIntroduction($sessionId, $courseId)
- {
- // @todo create a tool intro lib
- $sessionId = intval($sessionId);
- $courseId = intval($courseId);
- $TBL_INTRODUCTION = Database::get_course_table(TABLE_TOOL_INTRO);
- $sql = "SELECT * FROM $TBL_INTRODUCTION WHERE c_id = $courseId";
- $result = Database::query($sql);
- $result = Database::store_result($result, 'ASSOC');
- if (!empty($result)) {
- foreach ($result as $result) {
- // @todo check if relation exits.
- $result['session_id'] = $sessionId;
- Database::insert($TBL_INTRODUCTION, $result);
- }
- }
- }
- /**
- * @param int $sessionId
- * @param int $courseId
- */
- public static function removeCourseIntroduction($sessionId, $courseId)
- {
- $sessionId = intval($sessionId);
- $courseId = intval($courseId);
- $TBL_INTRODUCTION = Database::get_course_table(TABLE_TOOL_INTRO);
- $sql = "DELETE FROM $TBL_INTRODUCTION WHERE c_id = $courseId AND session_id = $sessionId";
- Database::query($sql);
- }
- /**
- * @param int $sessionId
- * @param int $courseId
- */
- public static function addCourseDescription($sessionId, $courseId)
- {
- /* $description = new CourseDescription();
- $descriptions = $description->get_descriptions($courseId);
- foreach ($descriptions as $description) {
- } */
- }
- /**
- * @param int $sessionId
- * @param int $courseId
- */
- public static function removeCourseDescription($sessionId, $courseId)
- {
- }
- /**
- * @param array $list format see self::importSessionDrhCSV()
- * @param bool $sendEmail
- * @param bool $removeOldRelationShips
- * @return string
- */
- public static function subscribeDrhToSessionList($userSessionList, $sendEmail, $removeOldRelationShips)
- {
- if (!empty($userSessionList)) {
- foreach ($userSessionList as $userId => $data) {
- $sessionList = array();
- foreach ($data['session_list'] as $sessionInfo) {
- $sessionList[] = $sessionInfo['session_id'];
- }
- $userInfo = $data['user_info'];
- self::suscribe_sessions_to_hr_manager($userInfo, $sessionList, $sendEmail, $removeOldRelationShips);
- }
- }
- }
- /**
- * @param array $userSessionList format see self::importSessionDrhCSV()
- */
- public static function checkSubscribeDrhToSessionList($userSessionList)
- {
- $message = null;
- if (!empty($userSessionList)) {
- if (!empty($userSessionList)) {
- foreach ($userSessionList as $userId => $data) {
- $userInfo = $data['user_info'];
- $sessionListSubscribed = self::get_sessions_followed_by_drh($userId);
- if (!empty($sessionListSubscribed)) {
- $sessionListSubscribed = array_keys($sessionListSubscribed);
- }
- $sessionList = array();
- if (!empty($data['session_list'])) {
- foreach ($data['session_list'] as $sessionInfo) {
- if (in_array($sessionInfo['session_id'], $sessionListSubscribed)) {
- $sessionList[] = $sessionInfo['session_info']['name'];
- }
- }
- }
- $message .= '<strong>' . get_lang('User') . '</strong> ' . $userInfo['complete_name'] . ' <br />';
- if (!in_array($userInfo['status'], array(DRH)) && !api_is_platform_admin_by_id($userInfo['user_id'])) {
- $message .= get_lang('UserMustHaveTheDrhRole') . '<br />';
- continue;
- }
- if (!empty($sessionList)) {
- $message .= '<strong>' . get_lang('Sessions') . ':</strong> <br />';
- $message .= implode(', ', $sessionList) . '<br /><br />';
- } else {
- $message .= get_lang('NoSessionProvided') . ' <br /><br />';
- }
- }
- }
- }
- return $message;
- }
- /**
- * @param string $file
- * @param bool $sendEmail
- * @param bool $removeOldRelationShips
- */
- public static function importSessionDrhCSV($file, $sendEmail, $removeOldRelationShips)
- {
- $list = Import::csv_reader($file);
- if (!empty($list)) {
- $userSessionList = array();
- foreach ($list as $data) {
- $userInfo = api_get_user_info_from_username($data['Username']);
- $sessionInfo = self::get_session_by_name($data['SessionName']);
- if (!empty($userInfo) && !empty($sessionInfo)) {
- $userSessionList[$userInfo['user_id']]['session_list'][] = array(
- 'session_id' => $sessionInfo['id'],
- 'session_info' => $sessionInfo
- );
- $userSessionList[$userInfo['user_id']]['user_info'] = $userInfo;
- }
- }
- self::subscribeDrhToSessionList($userSessionList, $sendEmail, $removeOldRelationShips);
- return self::checkSubscribeDrhToSessionList($userSessionList);
- }
- }
- /**
- * Courses re-ordering in resume_session.php flag see BT#8316
- */
- public static function orderCourseIsEnabled()
- {
- global $_configuration;
- if (isset($_configuration['session_course_ordering']) &&
- $_configuration['session_course_ordering']
- ) {
- return true;
- }
- return false;
- }
- /**
- * @param string $direction (up/down)
- * @param int $sessionId
- * @param string $courseCode
- * @return bool
- */
- public static function move($direction, $sessionId, $courseCode)
- {
- if (!self::orderCourseIsEnabled()) {
- return false;
- }
- $sessionId = intval($sessionId);
- $courseCode = Database::escape_string($courseCode);
- $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
- $courseList = self::get_course_list_by_session_id($sessionId, null, 'position');
- $position = array();
- $count = 0;
- foreach ($courseList as $course) {
- if ($course['position'] == '') {
- $course['position'] = $count;
- }
- $position[$course['code']] = $course['position'];
- // Saving current order.
- $sql = "UPDATE $table SET position = $count
- WHERE id_session = $sessionId AND course_code = '".$course['code']."'";
- Database::query($sql);
- $count++;
- }
- // Loading new positions.
- $courseList = self::get_course_list_by_session_id($sessionId, null, 'position');
- $found = false;
- switch ($direction) {
- case 'up':
- $courseList = array_reverse($courseList);
- break;
- case 'down':
- break;
- }
- foreach ($courseList as $course) {
- if ($found) {
- $nextId = $course['code'];
- $nextOrder = $course['position'];
- break;
- }
- if ($courseCode == $course['code']) {
- $thisCourseCode = $course['code'];
- $thisOrder = $course['position'];
- $found = true;
- }
- }
- $sql1 = "UPDATE $table SET position = '".intval($nextOrder)."'
- WHERE id_session = $sessionId AND course_code = '".$thisCourseCode."'";
- $sql2 = "UPDATE $table SET position = '".intval($thisOrder)."'
- WHERE id_session = $sessionId AND course_code = '".$nextId."'";
- Database::query($sql1);
- Database::query($sql2);
- return true;
- }
- /**
- * @param int $sessionId
- * @param string $courseCode
- * @return bool
- */
- public static function moveUp($sessionId, $courseCode)
- {
- return self::move('up', $sessionId, $courseCode);
- }
- /**
- * @param int $sessionId
- * @param string $courseCode
- * @return bool
- */
- public static function moveDown($sessionId, $courseCode)
- {
- return self::move('down', $sessionId, $courseCode);
- }
- /**
- * Use the session duration to allow/block user access see BT#8317
- * Needs these DB changes
- * ALTER TABLE session ADD COLUMN duration int;
- * ALTER TABLE session_rel_user ADD COLUMN duration int;
- */
- public static function durationPerUserIsEnabled()
- {
- global $_configuration;
- if (isset($_configuration['session_duration_feature']) &&
- $_configuration['session_duration_feature']
- ) {
- return true;
- }
- return false;
- }
- /**
- * Returns the number of days the student has left in a session when using
- * sessions durations
- * @param int $userId
- * @param int $sessionId
- * @param int $duration in days
- * @return int
- */
- public static function getDayLeftInSession($sessionId, $userId, $duration)
- {
- // Get an array with the details of the first access of the student to
- // this session
- $courseAccess = CourseManager::getFirstCourseAccessPerSessionAndUser(
- $sessionId,
- $userId
- );
- $currentTime = time();
- // If no previous access, return false
- if (count($courseAccess) == 0) {
- return false;
- }
- $firstAccess = api_strtotime($courseAccess['login_course_date'], 'UTC');
- $endDateInSeconds = $firstAccess + $duration*24*60*60;
- $leftDays = round(($endDateInSeconds- $currentTime) / 60 / 60 / 24);
- return $leftDays;
- }
- /**
- * @param int $duration
- * @param int $userId
- * @param int $sessionId
- */
- public static function editUserSessionDuration($duration, $userId, $sessionId)
- {
- $duration = intval($duration);
- $userId = intval($userId);
- $sessionId = intval($sessionId);
- if (empty($userId) || empty($sessionId)) {
- return false;
- }
- $table = Database::get_main_table(TABLE_MAIN_SESSION_USER);
- $parameters = array('duration' => $duration);
- $where = array('id_session = ? AND id_user = ? ' => array($sessionId, $userId));
- Database::update($table, $parameters, $where);
- }
- /**
- * Gets one row from the session_rel_user table
- * @param int The user ID
- * @param int The session ID
- * @return array
- */
- public static function getUserSession($userId, $sessionId)
- {
- $userId = intval($userId);
- $sessionId = intval($sessionId);
- if (empty($userId) || empty($sessionId)) {
- return false;
- }
- $table = Database::get_main_table(TABLE_MAIN_SESSION_USER);
- $sql = "SELECT * FROM $table WHERE id_session =$sessionId AND id_user = $userId";
- $result = Database::query($sql);
- $values = array();
- if (Database::num_rows($result)) {
- $values = Database::fetch_array($result, 'ASSOC');
- }
- return $values;
- }
- /**
- * Check if user is subscribed inside a session as student
- * @param int $sessionId The session id
- * @param int $userId The user id
- * @return boolean Whether is subscribed
- */
- public static function isUserSusbcribedAsStudent($sessionId, $userId) {
- $sessionRelUserTable = Database::get_main_table(TABLE_MAIN_SESSION_USER);
- $sessionId = Database::escape_string($sessionId);
- $userId = Database::escape_string($userId);
- $sql = "SELECT COUNT(1) AS qty FROM $sessionRelUserTable "
- . "WHERE id_session = $sessionId AND id_user = $userId AND relation_type = 0";
- $result = Database::fetch_assoc(Database::query($sql));
- if (!empty($result) && $result['qty'] > 0) {
- return true;
- }
- return false;
- }
- /**
- * Get the formatted date of a session by its start and end date
- * @param array $sessionInfo The session information containing the start and end date
- * @return string The formatted date
- */
- public static function getSessionFormattedDate($sessionInfo)
- {
- if ($sessionInfo['date_start'] == '0000-00-00' && $sessionInfo['date_end'] == '0000-00-00') {
- return get_lang('NoTimeLimits');
- } else {
- $startDate = '';
- $endDate = '';
- if ($sessionInfo['date_start'] != '0000-00-00') {
- $startDate = get_lang('From') . ' ' . api_format_date($sessionInfo['date_start'], DATE_FORMAT_LONG_NO_DAY);
- } else {
- $startDate = '';
- }
- if ($sessionInfo['date_end'] == '0000-00-00') {
- $endDate = '';
- } else {
- $endDate = get_lang('Until') . ' ' . api_format_date($sessionInfo['date_end'], DATE_FORMAT_LONG_NO_DAY);
- }
- return "$startDate $endDate";
- }
- }
- }
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