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<?php
/**
* Invite users to join a group
*
* @package ElggGroups
*/
$logged_in_user = elgg_get_logged_in_user_entity();
$user_guids = get_input('user_guid');
if (!is_array($user_guids)) {
$user_guids = array($user_guids);
}
$group_guid = get_input('group_guid');
$group = get_entity($group_guid);
if (count($user_guids) > 0 && elgg_instanceof($group, 'group') && $group->canEdit()) {
foreach ($user_guids as $guid) {
$user = get_user($guid);
if (!$user) {
continue;
}
if (check_entity_relationship($group->guid, 'invited', $user->guid)) {
register_error(elgg_echo("groups:useralreadyinvited"));
continue;
}
if (check_entity_relationship($user->guid, 'member', $group->guid)) {
// @todo add error message
continue;
}
// Create relationship
add_entity_relationship($group->guid, 'invited', $user->guid);
// Send notification
$url = elgg_normalize_url("groups/invitations/$user->username");
$result = notify_user($user->getGUID(), $group->owner_guid,
elgg_echo('groups:invite:subject', array($user->name, $group->name)),
elgg_echo('groups:invite:body', array(
$user->name,
$logged_in_user->name,
$group->name,
$url,
)),
NULL);
if ($result) {
system_message(elgg_echo("groups:userinvited"));
} else {
register_error(elgg_echo("groups:usernotinvited"));
}
}
}
forward(REFERER);
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