<?php

gatekeeper();
action_gatekeeper();

$sections = get_discussions_sections();
$guid = (int) get_input('disctopic');
$title = get_input('disctitle');
$author = get_input('discauthor');
$email = get_input('discemail');
$body = get_input('discbody');
$tags = get_input('disctags');
$section = get_input('discsection');

// 0 - private
// 1 - logged in
// 2 - public
$access_id = 2;

$dt = get_entity($guid);
if ($dt->getSubtype() == "disctopic" && $dt->canEdit()) {

    $_SESSION['disctitle'] = $title;
    $_SESSION['discauthor'] = $author;
    $_SESSION['discemail'] = $email;
    $_SESSION['discbody'] = $body;
    $_SESSION['disctags'] = $tags;
	$_SESSION['discsection'] = $section;

    // Convert string of tags into a preformed array
    $tagarray = string_to_tag_array($tags);

    if ( empty($title) || empty($body) || empty($section) || !array_key_exists($section, $sections)) {
        /*translation:Please fill all required fields.*/
        register_error(elgg_echo("koolielu:error_blank"));
        forward("pg/discussions/edit_topic?disctopic=" . $guid);
    } else {
        $owner = get_entity($dt->getOwner());
        $dt->access_id = $access_id;
        $dt->title = $title;
        $dt->description = $body;
        $dt->save();

        $dt->clearMetadata('tags');
        $dt->tags = $tagarray;
		$dt->clearMetadata('section');
		$dt->section = $section;

        // Changing discauthor or discemail is not allowed
        //$dt->discauthor = $author;
        //$dt->discemail = $email;
        unset($_SESSION['disctitle']);
        unset($_SESSION['discauthor']);
        unset($_SESSION['discemail']);
        unset($_SESSION['discbody']);
        unset($_SESSION['disctags']);
		unset($_SESSION['discsection']);
        /*translation:Discussion changed.*/
        system_message(elgg_echo("koolielu:message_discussion_changed"));
        forward("pg/discussions");
    }
}

?>