$result = Database::query($sql);
$row = Database::fetch_array($result, 'ASSOC');
if ($row['user_id'] == $user_id || $row['user_id'] == "") {
CourseManager::unsubscribe_user($_GET['user_id'], $courseCode);
Display::addFlash(Display::return_message(get_lang('UserUnsubscribed')));
} else {
Display::addFlash(Display::return_message(get_lang('ThisStudentIsSubscribeThroughASession')));
}
}
}
} else {
// If student can unsubscribe
if (isset($_REQUEST['unregister']) && $_REQUEST['unregister'] == 'yes') {
if ($course_info['unsubscribe'] == 1) {
$user_id = api_get_user_id();
CourseManager::unsubscribe_user($user_id, $course_info['code']);
header('Location: ' . api_get_path(WEB_PATH) . 'user_portal.php');
exit;
}
}
}
if (!$is_allowed_in_course) {
api_not_allowed(true);
}
// Statistics
Event::event_access_tool(TOOL_USER);
/**
* Get the users to display on the current page.
*/
function get_number_of_users()
{
/**
* Subscribe users to a group
* @param int $usergroup_id usergroup id
* @param array $list list of user ids *
* @param bool $delete_users_not_present_in_list
* @param array $relationType
*/
public function subscribe_users_to_usergroup($usergroup_id, $list, $delete_users_not_present_in_list = true, $relationType = '')
{
$current_list = self::get_users_by_usergroup($usergroup_id);
$course_list = self::get_courses_by_usergroup($usergroup_id);
$session_list = self::get_sessions_by_usergroup($usergroup_id);
$delete_items = array();
$new_items = array();
if (!empty($list)) {
foreach ($list as $user_id) {
if (!in_array($user_id, $current_list)) {
$new_items[] = $user_id;
}
}
}
if (!empty($current_list)) {
foreach ($current_list as $user_id) {
if (!in_array($user_id, $list)) {
$delete_items[] = $user_id;
}
}
}
// Deleting items
if (!empty($delete_items) && $delete_users_not_present_in_list) {
foreach ($delete_items as $user_id) {
// Removing courses
if (!empty($course_list)) {
foreach ($course_list as $course_id) {
$course_info = api_get_course_info_by_id($course_id);
CourseManager::unsubscribe_user($user_id, $course_info['code']);
}
}
// Removing sessions
if (!empty($session_list)) {
foreach ($session_list as $session_id) {
SessionManager::unsubscribe_user_from_session($session_id, $user_id);
}
}
Database::delete($this->usergroup_rel_user_table, array('usergroup_id = ? AND user_id = ? AND relation_type = ?' => array($usergroup_id, $user_id, $relationType)));
}
}
// Adding new relationships
if (!empty($new_items)) {
// Adding sessions
if (!empty($session_list)) {
foreach ($session_list as $session_id) {
SessionManager::suscribe_users_to_session($session_id, $new_items, null, false);
}
}
foreach ($new_items as $user_id) {
// Adding courses
if (!empty($course_list)) {
foreach ($course_list as $course_id) {
$course_info = api_get_course_info_by_id($course_id);
CourseManager::subscribe_user($user_id, $course_info['code']);
}
}
$params = array('user_id' => $user_id, 'usergroup_id' => $usergroup_id, 'relation_type' => $relationType);
Database::insert($this->usergroup_rel_user_table, $params);
}
}
}
$row[] = Display::url($url['url'], $url['url']);
$csvContent[] = array_map('strip_tags', $row);
$data[] = $row;
}
$urlInformation = Display::page_subheader(get_lang('URLList'));
$urlInformation .= Display::return_sortable_table($header, $data, array(), array(), array('user_id' => intval($_GET['user_id'])));
} else {
$urlInformation = '<p>' . get_lang('NoUrlForThisUser') . '</p>';
}
}
$message = null;
if (isset($_GET['action'])) {
switch ($_GET['action']) {
case 'unsubscribe':
if (CourseManager::get_user_in_course_status($_GET['user_id'], $_GET['course_code']) == STUDENT) {
CourseManager::unsubscribe_user($_GET['user_id'], $_GET['course_code'], $_GET['id_session']);
$message = Display::return_message(get_lang('UserUnsubscribed'));
} else {
$message = Display::return_message(get_lang('CannotUnsubscribeUserFromCourse'), 'error');
}
break;
case 'unsubscribeSessionCourse':
SessionManager::removeUsersFromCourseSession(array($_GET['user_id']), $_GET['id_session'], api_get_course_info($_GET['course_code']));
$message = Display::return_message(get_lang('UserUnsubscribed'));
break;
case 'export':
Export::arrayToCsv($csvContent, 'user_information_' . $user);
exit;
break;
}
}
/**
* @param string $file
*/
private function importUnsubscribeStatic($file, $moveFile = false, &$teacherBackup = array(), &$groupBackup = array())
{
$data = Import::csv_reader($file);
if (!empty($data)) {
$this->logger->addInfo(count($data) . " records found.");
foreach ($data as $row) {
$chamiloUserName = $row['UserName'];
$chamiloCourseCode = $row['CourseCode'];
$chamiloSessionId = $row['SessionID'];
$sessionInfo = api_get_session_info($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;
}
$sql = "SELECT * FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . "\n WHERE\n user_id = " . $userId . " AND\n course_code = '" . $courseInfo['code'] . "'\n ";
$result = Database::query($sql);
$userCourseData = Database::fetch_array($result, 'ASSOC');
$teacherBackup[$userId][$courseInfo['code']] = $userCourseData;
$sql = "SELECT * FROM " . Database::get_course_table(TABLE_GROUP_USER) . "\n WHERE\n user_id = " . $userId . " AND\n c_id = '" . $courseInfo['real_id'] . "'\n ";
$result = Database::query($sql);
while ($groupData = Database::fetch_array($result, 'ASSOC')) {
$groupBackup['user'][$userId][$courseInfo['code']][$groupData['group_id']] = $groupData;
}
$sql = "SELECT * FROM " . Database::get_course_table(TABLE_GROUP_TUTOR) . "\n WHERE\n user_id = " . $userId . " AND\n c_id = '" . $courseInfo['real_id'] . "'\n ";
$result = Database::query($sql);
while ($groupData = Database::fetch_array($result, 'ASSOC')) {
$groupBackup['tutor'][$userId][$courseInfo['code']][$groupData['group_id']] = $groupData;
}
CourseManager::unsubscribe_user($userId, $courseInfo['code'], $chamiloSessionId);
$this->logger->addError("User '{$chamiloUserName}' was removed from session: #{$chamiloSessionId}, Course: " . $courseInfo['code']);
}
}
}
$clean_users[] = $user_id;
} else {
$invalid_users[] = $user_data;
}
}
if (empty($invalid_users)) {
$type = 'confirmation';
$message = get_lang('ListOfUsersSubscribedToCourse');
if ($unsubscribe_users) {
$current_user_list = CourseManager::get_user_list_from_course_code($course_code, $session_id);
if (!empty($current_user_list)) {
$user_ids = array();
foreach ($current_user_list as $user) {
$user_ids[] = $user['user_id'];
}
CourseManager::unsubscribe_user($user_ids, $course_code, $session_id);
}
}
foreach ($clean_users as $userId) {
$userInfo = api_get_user_info($userId);
CourseManager::subscribe_user($userId, $course_code, STUDENT, $session_id);
if (empty($session_id)) {
//just to make sure
if (CourseManager::is_user_subscribed_in_course($userId, $course_code)) {
$user_to_show[] = $userInfo['complete_name'];
}
} else {
//just to make sure
if (CourseManager::is_user_subscribed_in_course($userId, $course_code, true, $session_id)) {
$user_to_show[] = $userInfo['complete_name'];
}
$result = Database::query($sql);
$row = Database::fetch_array($result, 'ASSOC');
if ($row['user_id'] == $user_id || $row['user_id'] == "") {
CourseManager::unsubscribe_user($_GET['user_id'], $courseId);
$message = get_lang('UserUnsubscribed');
} else {
$message = get_lang('ThisStudentIsSubscribeThroughASession');
}
}
}
} else {
//if student can unsubsribe
if (isset($_REQUEST['unregister']) && $_REQUEST['unregister'] == 'yes') {
if ($course_info['unsubscribe'] == 1) {
$user_id = api_get_user_id();
CourseManager::unsubscribe_user($user_id, $courseId);
header('Location: ' . api_get_path(WEB_PATH) . 'user_portal.php');
exit;
}
}
}
/* FUNCTIONS */
function display_user_search_form()
{
echo '<form method="get" action="user.php">';
echo get_lang("SearchForUser") . " ";
echo '<input type="text" name="keyword" value="' . Security::remove_XSS($_GET['keyword']) . '"/>';
echo '<input type="submit" value="' . get_lang('SearchButton') . '"/>';
echo '</form>';
}
/* Header */
/**
* Saves imported data.
*/
function save_data($users_courses)
{
$user_table = Database::get_main_table(TABLE_MAIN_USER);
$course_user_table = Database::get_main_table(TABLE_MAIN_COURSE_USER);
$csv_data = array();
$inserted_in_course = array();
foreach ($users_courses as $user_course) {
$csv_data[$user_course['Email']][$user_course['CourseCode']] = $user_course['Status'];
}
foreach ($csv_data as $email => $csv_subscriptions) {
$sql = "SELECT * FROM {$user_table} u\n WHERE u.email = '" . Database::escape_string($email) . "' LIMIT 1";
$res = Database::query($sql);
$obj = Database::fetch_object($res);
$user_id = $obj->user_id;
$sql = "SELECT * FROM {$course_user_table} cu\n WHERE cu.user_id = {$user_id} AND cu.relation_type <> " . COURSE_RELATION_TYPE_RRHH . " ";
$res = Database::query($sql);
$db_subscriptions = array();
while ($obj = Database::fetch_object($res)) {
$db_subscriptions[$obj->c_id] = $obj->status;
}
$to_subscribe = array_diff(array_keys($csv_subscriptions), array_keys($db_subscriptions));
$to_unsubscribe = array_diff(array_keys($db_subscriptions), array_keys($csv_subscriptions));
if ($_POST['subscribe']) {
foreach ($to_subscribe as $courseId) {
$courseInfo = api_get_course_info_by_id($courseId);
$course_code = $courseInfo['code'];
if (CourseManager::course_exists($course_code)) {
$course_info = CourseManager::get_course_information($course_code);
$inserted_in_course[$course_code] = $course_info['title'];
CourseManager::subscribe_user($user_id, $course_code, $csv_subscriptions[$course_code]);
$inserted_in_course[$course_info['code']] = $course_info['title'];
}
}
}
if ($_POST['unsubscribe']) {
foreach ($to_unsubscribe as $courseId) {
$courseInfo = api_get_course_info_by_id($courseId);
$course_code = $courseInfo['code'];
if (CourseManager::course_exists($course_code)) {
CourseManager::unsubscribe_user($user_id, $course_code);
$course_info = CourseManager::get_course_information($course_code);
CourseManager::unsubscribe_user($user_id, $course_code);
$inserted_in_course[$course_info['code']] = $course_info['title'];
}
}
}
}
return $inserted_in_course;
}
/**
* unsubscribe the user from a given course
* @param string Course code
* @return bool True if it success
*/
public function remove_user_from_course($course_code)
{
$tbl_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
// protect variables
$current_user_id = api_get_user_id();
$course_code = Database::escape_string($course_code);
$result = true;
$courseInfo = api_get_course_info($course_code);
$courseId = $courseInfo['real_id'];
// we check (once again) if the user is not course administrator
// because the course administrator cannot unsubscribe himself
// (s)he can only delete the course
$sql = "SELECT * FROM {$tbl_course_user}\n WHERE\n user_id='" . $current_user_id . "' AND\n c_id ='" . $courseId . "' AND\n status='1' ";
$result_check = Database::query($sql);
$number_of_rows = Database::num_rows($result_check);
if ($number_of_rows > 0) {
$result = false;
}
CourseManager::unsubscribe_user($current_user_id, $course_code);
return $result;
}
/**
* @param string $file
*/
private function importUnsubscribeStatic($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'];
$sessionInfo = api_get_session_info($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: ' . $chamiloUserName);
continue;
}
CourseManager::unsubscribe_user($userId, $courseInfo['code'], $chamiloSessionId);
$this->logger->addError("User '{$chamiloUserName}' was removed from session: #{$chamiloSessionId}, Course: " . $courseInfo['code']);
}
}
}
/**
* @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' => $sessionList);
}
/**
* Subscribe or unsubscribe user to a course (helper method)
*
* @param string Course id field name. Use "chamilo_course_id" to use internal id
* @param string Course id value.
* @param string User id field name. Use "chamilo_user_id" to use internal id
* @param string User id value
* @param int Set to 1 to subscribe, 0 to unsubscribe
* @param int Status (STUDENT or TEACHER) Used for subscription only
* @return mixed True if subscription or unsubscription was successful, false otherwise
*/
protected function changeUserSubscription($course_id_field_name, $course_id_value, $user_id_field_name, $user_id_value, $state, $status = STUDENT) {
$course_id = $this->getCourseId($course_id_field_name, $course_id_value);
if($course_id instanceof WSError) {
return $course_id;
} else {
$user_id = $this->getUserId($user_id_field_name, $user_id_value);
if($user_id instanceof WSError) {
return $user_id;
} else {
$course_code = CourseManager::get_course_code_from_course_id($course_id);
if($state == 0) {
// Unsubscribe user
CourseManager::unsubscribe_user($user_id, $course_code);
return true;
} else {
// Subscribe user
if(CourseManager::subscribe_user($user_id, $course_code, $status)) {
return true;
} else {
return new WSError(203, 'An error occured subscribing to this course');
}
}
}
}
}
/**
* @param array $params
* @return array|null|soap_fault
*/
function WSUnSubscribeUserFromCourseSimple($params)
{
global $debug;
error_log('WSUnSubscribeUserFromCourseSimple');
if (!WSHelperVerifyKey($params)) {
return return_error(WS_ERROR_SECRET_KEY);
}
$original_user_id_value = $params['original_user_id_value'];
$original_user_id_name = $params['original_user_id_name'];
$original_course_id_value = $params['original_course_id_value'];
$original_course_id_name = $params['original_course_id_name'];
$result = array();
$result['original_user_id_value'] = $original_user_id_value;
$result['result'] = 0;
$user_id = UserManager::get_user_id_from_original_id($original_user_id_value, $original_user_id_name);
if ($user_id) {
if ($debug) {
error_log("User {$original_user_id_value}, {$original_user_id_name} found");
error_log("Course {$original_course_id_value}, {$original_course_id_name} found");
}
$courseCode = CourseManager::get_course_id_from_original_id($original_course_id_value, $original_course_id_name);
if (empty($courseCode)) {
// Course was not found
if ($debug) {
error_log("course not found");
}
} else {
if ($debug) {
error_log("Course {$courseCode} found");
}
CourseManager::unsubscribe_user($user_id, $courseCode, 0);
$result['result'] = 1;
}
} else {
if ($debug) {
error_log("User not found");
}
}
return $result;
}
/**
* Saves imported data.
*/
function save_data($users_courses)
{
$user_table = Database::get_main_table(TABLE_MAIN_USER);
$course_user_table = Database::get_main_table(TABLE_MAIN_COURSE_USER);
$csv_data = array();
foreach ($users_courses as $user_course) {
$csv_data[$user_course['UserName']][$user_course['CourseCode']] = $user_course['Status'];
}
foreach ($csv_data as $username => $csv_subscriptions) {
$sql = "SELECT * FROM {$user_table} u WHERE u.username = '******'";
$res = Database::query($sql);
$obj = Database::fetch_object($res);
$user_id = $obj->user_id;
$sql = "SELECT * FROM {$course_user_table} cu\n\t\t WHERE cu.user_id = {$user_id} AND cu.relation_type<>" . COURSE_RELATION_TYPE_RRHH . " ";
$res = Database::query($sql);
$db_subscriptions = array();
while ($obj = Database::fetch_object($res)) {
$db_subscriptions[$obj->c_id] = $obj->status;
}
$csvCourseList = array();
foreach ($csv_subscriptions as $courseCode => $status) {
$courseInfo = api_get_course_info($courseCode);
if ($courseInfo) {
$csvCourseList[$courseInfo['real_id']] = $status;
}
}
$to_subscribe = array_diff(array_keys($csvCourseList), array_keys($db_subscriptions));
$to_unsubscribe = array_diff(array_keys($db_subscriptions), array_keys($csvCourseList));
global $inserted_in_course;
if (!isset($inserted_in_course)) {
$inserted_in_course = array();
}
if (isset($_POST['subscribe']) && $_POST['subscribe']) {
foreach ($to_subscribe as $courseId) {
CourseManager::add_user_to_course($user_id, $courseId, $csvCourseList[$courseId]);
$course_info = api_get_course_info_by_id($courseId);
$inserted_in_course[$courseId] = $course_info['title'];
}
}
if (isset($_POST['unsubscribe']) && $_POST['unsubscribe']) {
foreach ($to_unsubscribe as $courseId) {
CourseManager::unsubscribe_user($user_id, $courseId);
$course_info = api_get_course_info_by_id($courseId);
$inserted_in_course[$courseId] = $course_info['title'];
}
}
}
}
/**
* Unsubscribe a class from a course.
* Only students are unsubscribed. If a user is member of 2 classes which
* are both subscribed to the course, the user stays in the course.
* @param int $class_id The class id
* @param string $course_code The course code
*/
public static function unsubscribe_from_course($class_id, $course_code)
{
$tbl_course_class = Database::get_main_table(TABLE_MAIN_COURSE_CLASS);
$tbl_class_user = Database::get_main_table(TABLE_MAIN_CLASS_USER);
$sql = "SELECT cu.user_id,COUNT(cc.class_id) FROM {$tbl_course_class} cc, {$tbl_class_user} cu WHERE cc.class_id = cu.class_id AND cc.course_code = '" . Database::escape_string($course_code) . "' GROUP BY cu.user_id HAVING COUNT(cc.class_id) = 1";
$single_class_users = Database::query($sql);
while ($single_class_user = Database::fetch_object($single_class_users)) {
$sql = "SELECT * FROM {$tbl_class_user} WHERE class_id = '" . intval($class_id) . "' AND user_id = '" . Database::escape_string($single_class_user->user_id) . "'";
$res = Database::query($sql);
if (Database::num_rows($res) > 0) {
if (CourseManager::get_user_in_course_status($single_class_user->user_id, $course_code) == STUDENT) {
CourseManager::unsubscribe_user($single_class_user->user_id, $course_code);
}
}
}
$sql = "DELETE FROM {$tbl_course_class} WHERE course_code = '" . Database::escape_string($course_code) . "' AND class_id = '" . Database::escape_string($class_id) . "'";
Database::query($sql);
}
api_protect_admin_script();
$interbreadcrumb[] = array("url" => 'index.php', "name" => get_lang('PlatformAdmin'));
$interbreadcrumb[] = array("url" => 'user_list.php', "name" => get_lang('UserList'));
if (!isset($_GET['user_id'])) {
api_not_allowed();
}
$user = api_get_user_info($_GET['user_id']);
$tool_name = $user['complete_name'] . (empty($user['official_code']) ? '' : ' (' . $user['official_code'] . ')');
Display::display_header($tool_name);
$table_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
$table_course = Database::get_main_table(TABLE_MAIN_COURSE);
if (isset($_GET['action'])) {
switch ($_GET['action']) {
case 'unsubscribe':
if (CourseManager::get_user_in_course_status($_GET['user_id'], $_GET['courseId']) == STUDENT) {
CourseManager::unsubscribe_user($_GET['user_id'], $_GET['courseId']);
Display::display_normal_message(get_lang('UserUnsubscribed'));
} else {
Display::display_error_message(get_lang('CannotUnsubscribeUserFromCourse'));
}
break;
}
}
//only allow platform admins to login_as, or session admins only for students
// (not teachers nor other admins), and only if all options confirm it
// $_configuration['login_as_forbidden_globally'], defined in configuration.php,
// is the master key to these conditions
$statusname = api_get_status_langvars();
$login_as_icon = '';
if (empty($_configuration['login_as_forbidden_globally']) && (api_is_global_platform_admin() || api_get_setting('login_as_allowed') === 'true' && (api_is_platform_admin() || api_is_session_admin() && (api_is_session_admin() && $row['6'] == $statusname[STUDENT])))) {
$login_as_icon = '<a href="' . api_get_path(WEB_CODE_PATH) . 'admin/user_list.php?action=login_as&user_id=' . $user['user_id'] . '&sec_token=' . $_SESSION['sec_token'] . '">' . Display::return_icon('login_as.gif', get_lang('LoginAs')) . '</a>';
