<?php

    editor_gatekeeper();
    
    global $CONFIG;
    $guid = (int) get_input('entity_guid');
    $entity = get_entity($guid);

    // get previous frontpage course
    $frontpage_course = get_entities_from_metadata("frontpage", "1", "object", "course");
    if (is_array($frontpage_course) && sizeof($frontpage_course) > 0) {
        foreach($frontpage_course as $old_course) {
            $old_course->frontpage = 0;
            $old_course->save();
        }
    }
    $entity->frontpage = 1;
    $entity->save();

    forward($CONFIG->wwwroot.'pg/poster');

?>