<?php

    editor_gatekeeper();

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

	// Make sure we actually have permission to edit
    $entity = get_entity($guid);
    if ($entity->getSubtype() == "disctopic" && $entity->canEdit()) {
        if (get_input("frontpage")) {
            // get previous frontpage topic and remove from frontpage
            $frontpage_topic = get_entities_from_metadata("frontpage", "1", "object", "disctopic");             foreach ($frontpage_topic as $topic) {
                $topic->frontpage = 0;
                $topic->save();
            }
            // add chosen topic to frontpage
            $entity->frontpage = 1;
            $entity->save();
            forward($CONFIG->wwwroot . "pg/info");
        } else {
            $entity->frontpage = 0;
            $entity->save();
            forward($CONFIG->wwwroot . "pg/info");
        }
    }
    forward($CONFIG->wwwroot . "pg/discussions/read/" . $guid);
?>