/**
* @param string $file
*/
private function importSubscribeStatic($file)
{
$data = Import::csv_reader($file);
if (!empty($data)) {
$this->logger->addInfo(count($data) . " records found.");
foreach ($data as $row) {
$chamiloUserName = $row['UserName'];
$chamiloCourseCode = $row['CourseCode'];
$chamiloSessionId = $row['SessionID'];
$type = $row['Type'];
$sessionInfo = api_get_session_info($chamiloSessionId);
if (empty($sessionInfo)) {
$this->logger->addError('Session does not exists: ' . $chamiloSessionId);
continue;
}
$courseInfo = api_get_course_info($chamiloCourseCode);
if (empty($courseInfo)) {
$this->logger->addError('Course does not exists: ' . $courseInfo);
continue;
}
$userId = Usermanager::get_user_id_from_username($chamiloUserName);
if (empty($userId)) {
$this->logger->addError('User does not exists: ' . $chamiloUserName);
continue;
}
$status = null;
switch ($type) {
case 'student':
SessionManager::subscribe_users_to_session_course(array($userId), $chamiloSessionId, $courseInfo['code'], null, false);
break;
case 'teacher':
SessionManager::set_coach_to_course_session($userId, $chamiloSessionId, $courseInfo['real_id']);
break;
}
$this->logger->addError("User '{$chamiloUserName}' with status {$type} was added to session: #{$chamiloSessionId} - Course: " . $courseInfo['code']);
}
}
}
/** Subscribes courses to the given session and optionally (default) unsubscribes previous users
* @author Carlos Vargas from existing code
* @param int Session ID
* @param array List of courses IDs
* @param bool Whether to unsubscribe existing users (true, default) or not (false)
* @return void Nothing, or false on error
**/
public static function add_courses_to_session($id_session, $course_list, $empty_courses = true)
{
// security checks
if ($id_session != strval(intval($id_session))) {
return false;
}
// initialisation
$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);
// 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
$rs = Database::query("SELECT c_id FROM {$tbl_session_rel_course} WHERE id_session={$id_session}");
$existingCourses = Database::store_result($rs, 'ASSOC');
$nbr_courses = count($existingCourses);
// get list of users subscribed to this session
$sql = "SELECT id_user\n FROM {$tbl_session_rel_user}\n WHERE id_session = {$id_session} AND relation_type<>" . SESSION_RELATION_TYPE_RRHH . "";
$result = Database::query($sql);
$user_list = Database::store_result($result, 'ASSOC');
// Remove existing courses from the session
if ($empty_courses === true) {
foreach ($existingCourses as $existingCourse) {
if (!in_array($existingCourse['c_id'], $course_list)) {
Database::query("DELETE FROM {$tbl_session_rel_course} WHERE c_id='" . $existingCourse['c_id'] . "' AND id_session={$id_session}");
Database::query("DELETE FROM {$tbl_session_rel_course_rel_user} WHERE c_id='" . $existingCourse['c_id'] . "' AND id_session={$id_session}");
}
}
$nbr_courses = 0;
}
// Pass through the courses list we want to add to the session
foreach ($course_list as $courseId) {
$courseId = Database::escape_string($courseId);
$exists = false;
// check if the course we want to add is already subscribed
foreach ($existingCourses as $existingCourse) {
if ($courseId == $existingCourse['c_id']) {
$exists = true;
}
}
if ($exists == false) {
CourseManager::update_course_ranking($courseId, $id_session);
//if the course isn't subscribed yet
$sql_insert_rel_course = "INSERT INTO {$tbl_session_rel_course} (id_session, c_id) VALUES ('{$id_session}','{$courseId}')";
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('c_id' => $courseId);
$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, c_id, id_user) VALUES ('{$id_session}','{$courseId}','{$enreg_user_id}')";
$result = Database::query($sql_insert);
if (Database::affected_rows($result)) {
$nbr_users++;
}
}
SessionManager::subscribe_users_to_session_course($user_list, $id_session, $courseId);
Database::query("UPDATE {$tbl_session_rel_course} SET nbr_users={$nbr_users} WHERE id_session='{$id_session}' AND c_id = '{$courseId}'");
}
}
Database::query("UPDATE {$tbl_session} SET nbr_courses={$nbr_courses} WHERE id='{$id_session}'");
}
$idChecked = $my_temp;
}
$session_info = SessionManager::fetch($id_session);
$courses = SessionManager::get_course_list_by_session_id($id_session);
if (!isset($courses[$course_info['real_id']])) {
header('Location: session_course_list.php?id_session=' . $id_session);
exit;
}
switch ($action) {
case 'delete':
SessionManager::unsubscribe_user_from_course_session($id_session, $idChecked, $courseId);
header('Location: ' . api_get_self() . '?id_session=' . $id_session . '&course_code=' . urlencode($course_code) . '&sort=' . $sort);
exit;
break;
case 'add':
SessionManager::subscribe_users_to_session_course($idChecked, $id_session, $courseId);
header('Location: ' . api_get_self() . '?id_session=' . $id_session . '&course_code=' . urlencode($course_code) . '&sort=' . $sort);
exit;
break;
}
$limit = 20;
$from = $page * $limit;
$is_western_name_order = api_is_western_name_order();
$Users = SessionManager::get_users_in_course_session($courseId, $id_session, $sort, $direction, $from, $limit);
if ($direction == 'desc') {
$direction = 'asc';
} else {
$direction = 'desc';
}
$nbr_results = sizeof($Users);
$tool_name = get_lang('Session') . ': ' . $session_info['name'] . ' - ' . get_lang('Course') . ': ' . $course_info['title'];
/**
* Subscribe a user to a course. No checks are performed here to see if
* course subscription is allowed.
* @param int User ID
* @param string Course code
* @param int Status (STUDENT, COURSEMANAGER, COURSE_ADMIN, NORMAL_COURSE_MEMBER)
* @return bool True on success, false on failure
* @see add_user_to_course
* @assert ('', '') === false
*/
public static function subscribe_user($user_id, $course_code, $status = STUDENT, $session_id = 0, $userCourseCategoryId = 0)
{
if ($user_id != strval(intval($user_id))) {
return false;
//detected possible SQL injection
}
$course_code = Database::escape_string($course_code);
$courseInfo = api_get_course_info($course_code);
$courseId = $courseInfo['real_id'];
$courseCode = $courseInfo['code'];
$userCourseCategoryId = intval($userCourseCategoryId);
if (empty($user_id) || empty($course_code)) {
return false;
}
if (!empty($session_id)) {
$session_id = intval($session_id);
} else {
$session_id = api_get_session_id();
}
$status = $status == STUDENT || $status == COURSEMANAGER ? $status : STUDENT;
//$role_id = ($status == COURSEMANAGER) ? COURSE_ADMIN : NORMAL_COURSE_MEMBER;
// A preliminary check whether the user has bben already registered on the platform.
if (Database::num_rows(Database::query("SELECT status FROM " . Database::get_main_table(TABLE_MAIN_USER) . "\n WHERE user_id = '{$user_id}' ")) == 0) {
return false;
// The user has not been registered to the platform.
}
// Check whether the user has not been already subscribed to the course.
if (empty($session_id)) {
if (Database::num_rows(Database::query("\n SELECT * FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . "\n WHERE user_id = '{$user_id}' AND relation_type<>" . COURSE_RELATION_TYPE_RRHH . " AND c_id = '{$courseId}'")) > 0) {
// The user has been already subscribed to the course.
return false;
}
}
if (!empty($session_id)) {
SessionManager::subscribe_users_to_session_course(array($user_id), $session_id, $courseCode);
} else {
CourseManager::add_user_to_course($user_id, $courseCode, $status);
// Add event to the system log
Event::addEvent(LOG_SUBSCRIBE_USER_TO_COURSE, LOG_COURSE_CODE, $course_code, api_get_utc_datetime(), api_get_user_id());
$user_info = api_get_user_info($user_id);
Event::addEvent(LOG_SUBSCRIBE_USER_TO_COURSE, LOG_USER_OBJECT, $user_info, api_get_utc_datetime(), api_get_user_id());
}
return true;
}
/**
* @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
* @param int $showDescription
* @return array
*/
static function importCSV($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, $showDescription = null)
{
$content = file($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);
}
if (!is_null($showDescription)) {
$extraParameters .= ' , show_description = ' . intval($showDescription);
}
$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;
}
}
$sessionCondition = '';
if (!empty($session_category_id)) {
$sessionCondition = "session_category_id = '{$session_category_id}',";
}
// Creating the session.
$sql = "INSERT IGNORE INTO {$tbl_session} SET\n name = '" . $session_name . "',\n id_coach = '{$coach_id}',\n access_start_date = '{$date_start}',\n access_end_date = '{$date_end}',\n visibility = '{$visibilityAfterExpirationPerSession}',\n {$sessionCondition}\n 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])) {
$sessionId = self::getSessionIdFromOriginalId($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.
$sql = "INSERT IGNORE INTO {$tbl_session} SET\n name = '{$session_name}',\n id_coach = '{$coach_id}',\n access_start_date = '{$date_start}',\n access_end_date = '{$date_end}',\n visibility = '{$visibilityAfterExpirationPerSession}',\n session_category_id = '{$session_category_id}' " . $extraParameters . $extraSessionParameters;
Database::query($sql);
// 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}\n WHERE session_id = '{$session_id}' AND relation_type <> " . SESSION_RELATION_TYPE_RRHH;
Database::query($sql);
$sql = "DELETE FROM {$tbl_session_course} WHERE session_id = '{$session_id}'";
Database::query($sql);
// Delete session-course-user relationships students and coaches.
if ($updateCourseCoaches) {
$sql = "DELETE FROM {$tbl_session_course_user}\n WHERE session_id = '{$session_id}' AND status in ('0', '2')";
Database::query($sql);
} else {
// Delete session-course-user relation ships *only* for students.
$sql = "DELETE FROM {$tbl_session_course_user}\n WHERE session_id = '{$session_id}' AND status <> 2";
Database::query($sql);
}
}
} else {
if ($debug) {
$logger->addError("Sessions - Session to be updated: {$session_name}");
}
// Updating the session.
$params = array('id_coach' => $coach_id, 'access_start_date' => $date_start, 'access_end_date' => $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'];
}
$session_id = $sessionId;
} else {
$row = Database::query("SELECT id FROM {$tbl_session} WHERE name = '{$session_name}'");
list($session_id) = Database::fetch_array($row);
}
if ($session_id) {
if ($debug) {
$logger->addError("Sessions - Session to be updated #{$session_id}");
}
$sessionInfo = api_get_session_info($session_id);
$params['show_description'] = isset($sessionInfo['show_description']) ? $sessionInfo['show_description'] : intval($showDescription);
if (!empty($daysCoachAccessBeforeBeginning) && !empty($daysCoachAccessAfterBeginning)) {
if (empty($sessionInfo['nb_days_access_before_beginning']) || !empty($sessionInfo['nb_days_access_before_beginning']) && $sessionInfo['nb_days_access_before_beginning'] < $daysCoachAccessBeforeBeginning) {
$params['nb_days_access_before_beginning'] = intval($daysCoachAccessBeforeBeginning);
}
if (empty($sessionInfo['nb_days_access_after_end']) || !empty($sessionInfo['nb_days_access_after_end']) && $sessionInfo['nb_days_access_after_end'] < $daysCoachAccessAfterBeginning) {
$params['nb_days_access_after_end'] = intval($daysCoachAccessAfterBeginning);
}
}
Database::update($tbl_session, $params, array('id = ?' => $session_id));
foreach ($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}\n WHERE session_id = '{$session_id}' AND relation_type <> " . SESSION_RELATION_TYPE_RRHH;
Database::query($sql);
$sql = "DELETE FROM {$tbl_session_course} WHERE session_id = '{$session_id}'";
Database::query($sql);
// Delete session-course-user relationships students and coaches.
if ($updateCourseCoaches) {
$sql = "DELETE FROM {$tbl_session_course_user}\n WHERE session_id = '{$session_id}' AND status in ('0', '2')";
Database::query($sql);
} else {
// Delete session-course-user relation ships *only* for students.
$sql = "DELETE FROM {$tbl_session_course_user}\n WHERE session_id = '{$session_id}' AND status <> 2";
Database::query($sql);
}
} else {
if ($debug) {
$logger->addError("Sessions - Session not found");
}
}
}
$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\n user_id = '{$user_id}',\n session_id = '{$session_id}',\n registered_at = '" . api_get_utc_datetime() . "'";
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);
$courseId = $courseInfo['real_id'];
// Adding the course to a session.
$sql = "INSERT IGNORE INTO {$tbl_session_course}\n SET c_id = '{$courseId}', session_id='{$session_id}'";
Database::query($sql);
SessionManager::installCourse($session_id, $courseInfo['real_id']);
if ($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, $courseId, array($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, $courseId, array($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, $courseId);
// Update coaches if only there's 1 course see BT#6449#note-189
if (empty($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, $courseId, array($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;
}
}
}
$inserted_in_course[$course_code] = $courseInfo['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);
}