function addmembers_submit(Pieform $form, $values)
{
global $SESSION;
if (empty($values['users'])) {
redirect(get_config('wwwroot') . 'group/addmembers.php?id=' . GROUP);
}
db_begin();
foreach ($values['users'] as $userid) {
group_add_user(GROUP, $userid);
}
db_commit();
$SESSION->add_ok_msg(get_string('newmembersadded', 'group', count($values['users'])));
redirect(get_config('wwwroot') . 'group/members.php?id=' . GROUP);
}
function groupadminsform_submit(Pieform $form, $values)
{
global $SESSION, $group, $admins;
$newadmins = array_diff($values['admins'], $admins);
$demoted = array_diff($admins, $values['admins']);
db_begin();
if ($demoted) {
$demoted = join(',', array_map('intval', $demoted));
execute_sql("\n UPDATE {group_member}\n SET role = 'member'\n WHERE role = 'admin' AND \"group\" = ?\n AND member IN ({$demoted})", array($group->id));
}
$dbnow = db_format_timestamp(time());
foreach ($newadmins as $id) {
if (group_user_access($group->id, $id)) {
group_change_role($group->id, $id, 'admin');
} else {
group_add_user($group->id, $id, 'admin');
}
}
db_commit();
$SESSION->add_ok_msg(get_string('groupadminsupdated', 'admin'));
redirect(get_config('wwwroot') . 'admin/groups/groups.php');
}
/**
* Given a user, makes sure they have been added to all groups that are marked
* as ones that users should be auto-added to
*
* @param array $eventdata Event data passed from activity_occured, the key 'id' = userid
*/
function add_user_to_autoadd_groups($eventdata)
{
require_once 'group.php';
$userid = $eventdata['id'];
if ($autoaddgroups = get_column('group', 'id', 'usersautoadded', true)) {
foreach ($autoaddgroups as $groupid) {
if (!group_user_access($groupid, $userid)) {
group_add_user($groupid, $userid);
}
}
}
}
function group_adduser_submit(Pieform $form, $values)
{
global $SESSION;
$group = (int) $values['group'];
if (group_user_access($group) != 'admin') {
$SESSION->add_error_msg(get_string('accessdenied', 'error'));
redirect('/group/members.php?id=' . $group . '&membershiptype=request');
}
group_add_user($group, $values['member']);
$SESSION->add_ok_msg(get_string('useradded', 'group'));
if (count_records('group_member_request', 'group', $group)) {
redirect('/group/members.php?id=' . $group . '&membershiptype=request');
}
redirect('/group/members.php?id=' . $group);
}
}
if ($addtype == 'add') {
db_begin();
//remove group membership
if ($groupstoremove = array_diff($initialgroups, $resultgroups)) {
$groupstoremovemail = '';
foreach ($groupstoremove as $groupid) {
group_remove_user($groupid, $userid, $role = null);
$groupstoremovemail .= $groupdata[$groupid]->name . "\n";
}
}
//add group membership
if ($groupstoadd = array_diff($resultgroups, $initialgroups)) {
$groupstoaddmail = '';
foreach ($groupstoadd as $groupid) {
group_add_user($groupid, $userid, $role = null);
$groupstoaddmail .= $groupdata[$groupid]->name . "\n";
}
}
db_commit();
// Users notification
$userrecord = get_record('usr', 'id', $userid);
$lang = get_user_language($userid);
$n = new StdClass();
$n->users = array($userid);
$n->subject = get_string_from_language($lang, 'changedgroupmembershipsubject', 'group');
$n->message = '';
if (isset($groupstoaddmail)) {
$n->message .= get_string_from_language($lang, 'addedtongroupsmessage', 'group', count($groupstoadd), display_name($USER, $userrecord), $groupstoaddmail);
}
if (isset($groupstoremovemail)) {
function addmember_submit(Pieform $form, $values)
{
global $USER, $SESSION, $userid;
$group = get_record('group', 'id', $values['group']);
$ctitle = $group->name;
$adduser = get_record('usr', 'id', $userid);
try {
group_add_user($values['group'], $userid, 'member');
$lang = get_user_language($userid);
require_once get_config('libroot') . 'activity.php';
activity_occurred('maharamessage', array('users' => array($userid), 'subject' => get_string_from_language($lang, 'addedtogroupsubject', 'group'), 'message' => get_string_from_language($lang, 'addedtogroupmessage', 'group', display_name($USER, $adduser), $ctitle), 'url' => group_homepage_url($group, false), 'urltext' => $ctitle));
$SESSION->add_ok_msg(get_string('useradded', 'group'));
} catch (SQLException $e) {
$SESSION->add_error_msg(get_string('adduserfailed', 'group'));
}
redirect(profile_url($adduser));
}
function editgroup_submit(Pieform $form, $values)
{
global $USER, $SESSION, $group_data;
db_begin();
$now = db_format_timestamp(time());
list($grouptype, $jointype) = explode('.', $values['grouptype']);
$values['public'] = isset($values['public']) ? $values['public'] : 0;
$values['usersautoadded'] = isset($values['usersautoadded']) ? $values['usersautoadded'] : 0;
update_record('group', (object) array('id' => $values['id'], 'name' => $values['name'], 'description' => $values['description'], 'grouptype' => $grouptype, 'category' => empty($values['category']) ? null : intval($values['category']), 'jointype' => $jointype, 'mtime' => $now, 'usersautoadded' => intval($values['usersautoadded']), 'public' => intval($values['public']), 'viewnotify' => intval($values['viewnotify'])), 'id');
// When jointype changes from invite/request to anything else,
// remove all open invitations/requests, ---
// Except for when jointype changes from request to open. Then
// we can just add group membership for everyone with an open
// request.
if ($group_data->jointype == 'invite' && $jointype != 'invite') {
delete_records('group_member_invite', 'group', $group_data->id);
} else {
if ($group_data->jointype == 'request') {
if ($jointype == 'open') {
$userids = get_column_sql('
SELECT u.id
FROM {usr} u JOIN {group_member_request} r ON u.id = r.member
WHERE r.group = ? AND u.deleted = 0', array($group_data->id));
if ($userids) {
foreach ($userids as $uid) {
group_add_user($group_data->id, $uid);
}
}
} else {
if ($jointype != 'request') {
delete_records('group_member_request', 'group', $group_data->id);
}
}
}
}
// When group type changes from course to standard, make sure that tutors
// are demoted to members.
if ($group_data->grouptype == 'course' && $grouptype != 'course') {
set_field('group_member', 'role', 'member', 'group', $values['id'], 'role', 'tutor');
}
// When a group changes from public -> private or vice versa, set the
// appropriate access permissions on the group homepage view.
if ($group_data->public != $values['public']) {
$homepageid = get_field('view', 'id', 'type', 'grouphomepage', 'group', $group_data->id);
if ($group_data->public && !$values['public']) {
delete_records('view_access', 'view', $homepageid, 'accesstype', 'public');
insert_record('view_access', (object) array('view' => $homepageid, 'accesstype' => 'loggedin'));
} else {
if (!$group_data->public && $values['public']) {
delete_records('view_access', 'view', $homepageid, 'accesstype', 'loggedin');
insert_record('view_access', (object) array('view' => $homepageid, 'accesstype' => 'public'));
}
}
}
$SESSION->add_ok_msg(get_string('groupsaved', 'group'));
db_commit();
redirect('/group/view.php?id=' . $values['id']);
}