/**
* Method to add a user to a group.
*
* @param integer $userId The id of the user.
* @param integer $groupId The id of the group.
*
* @return boolean True on success
*
* @since 11.1
* @throws RuntimeException
*/
public static function addUserToGroup($userId, $groupId)
{
// Get the user object.
$user = new User((int) $userId);
// Add the user to the group if necessary.
if (!in_array($groupId, $user->groups)) {
// Get the title of the group.
$db = Factory::getDbo();
$query = $db->getQuery(true);
$query->select($db->quoteName('title'));
$query->from($db->quoteName('#__usergroups'));
$query->where($db->quoteName('id') . ' = ' . (int) $groupId);
$db->setQuery($query);
$title = $db->loadResult();
// If the group does not exist, return an exception.
if (!$title) {
throw new RuntimeException('Access Usergroup Invalid');
}
// Add the group data to the user object.
$user->groups[$title] = $groupId;
// Store the user object.
$user->save();
}
// Set the group data for any preloaded user objects.
$temp = Factory::getUser((int) $userId);
$temp->groups = $user->groups;
// Set the group data for the user object in the session.
$temp = Factory::getUser();
if ($temp->id == $userId) {
$temp->groups = $user->groups;
}
return true;
}
