<?php
    editor_gatekeeper();

    // Get input data
    $guid = (int) get_input('entity_guid');
    $setstudy = get_input('setstudy');
    $unsetstudy = get_input('unsetstudy');

    $group = get_entity($guid);
    if ($group instanceof ElggGroup && $group->canEdit()) {
        if ($setstudy) {
            $group->study = 1;
            $group->save();
            /*translation:Group %s is now a study group.*/
            system_message(sprintf(elgg_echo("koolielu:message_set_studygroup"), $group->name));
            forward($group->getURL());
        }
        if ($unsetstudy) {
            $group->study = 0;
            $group->save();
            /*translation:Group %s is no longer a study group.*/
            system_message(sprintf(elgg_echo("koolielu:message_unset_studygroup"), $group->name));
            forward($group->getURL());
        }
    } else {
        /*translation:Not enough privileges.*/
        register_error(elgg_echo('koolielu:error_insufficient_privileges'));
    }
?>