/**
* Pull together chat variables for the save form
*
* @param ElggChat $chat
* @return array
*/
function chat_prepare_form_vars($chat = NULL)
{
$user = elgg_get_logged_in_user_entity();
// input names => defaults
$values = array('title' => NULL, 'description' => NULL, 'access_id' => ACCESS_LOGGED_IN, 'container_guid' => NULL, 'guid' => NULL, 'members' => NULL);
if ($chat) {
foreach (array_keys($values) as $field) {
if (isset($chat->{$field})) {
$values[$field] = $chat->{$field};
}
}
$values['members'] = $chat->getMemberGuids();
}
if (elgg_is_sticky_form('chat')) {
$sticky_values = elgg_get_sticky_values('chat');
foreach ($sticky_values as $key => $value) {
$values[$key] = $value;
}
// This is not a property of chat so add separately
$values['description'] = $sticky_values['message'];
}
elgg_clear_sticky_form('chat');
return $values;
}
$entity->subtype = 'chat';
$entity->access_id = ACCESS_LOGGED_IN;
}
$entity->title = $title;
if ($entity->save()) {
elgg_clear_sticky_form('chat');
} else {
register_error(elgg_echo('chat:error:cannot_save'));
forward(REFERER);
}
$user = elgg_get_logged_in_user_entity();
// Add user itself if missing
if (!in_array($user->getGUID(), $members)) {
$members[] = $user->getGUID();
}
$old_member_guids = $entity->getMemberGuids();
// Add selected users to the chat
foreach ($members as $member_guid) {
// Skip users that are already members
if (in_array($member_guid, $old_member_guids)) {
continue;
}
// Add relationship "user is a member of this chat".
if (!$entity->addMember($member_guid)) {
$member = get_entity($member_guid);
register_error(elgg_echo("chat:error:cannot_add_member", array($member->name)));
}
}
// Remove users that were deselected
foreach ($old_member_guids as $old_member_guid) {
if (!in_array($old_member_guid, $members)) {
