xref: /plugin/struct/action/title.php (revision 25e910de1500999f18a03995e9ae0922c7c182ec) 
1<?php
2
3/**
4 * DokuWiki Plugin struct (Action Component)
5 *
6 * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
7 * @author  Andreas Gohr, Michael Große <dokuwiki@cosmocode.de>
8 */
9
10use dokuwiki\plugin\struct\meta\StructException;
11use dokuwiki\plugin\struct\meta\PageMeta;
12
13/**
14 * Class action_plugin_struct_title
15 *
16 * Saves the page title when meta data is saved
17 */
18class action_plugin_struct_title extends DokuWiki_Action_Plugin
19{
20
21    /**
22     * Registers a callback function for a given event
23     *
24     * @param Doku_Event_Handler $controller DokuWiki's event controller object
25     * @return void
26     */
27    public function register(Doku_Event_Handler $controller)
28    {
29        $controller->register_hook('PARSER_METADATA_RENDER', 'AFTER', $this, 'handleMeta');
30    }
31
32    /**
33     * Store the page's title
34     *
35     * @param Doku_Event $event
36     * @param $param
37     */
38    public function handleMeta(Doku_Event $event, $param)
39    {
40        $id = $event->data['page'];
41
42        try {
43            $page = new PageMeta($id);
44
45            // check if we already have data for the latest revision, or we risk redundant db writes
46            $latest = $page->getPageData();
47            if ($latest && (int) $latest['lastrev'] === $event->data['current']['last_change']['date']) {
48                return;
49            }
50
51            if (!blank($event->data['current']['title'])) {
52                $page->setTitle($event->data['current']['title']);
53            } else {
54                $page->setTitle(null);
55            }
56
57            if (!blank($event->data['current']['last_change']['date'])) {
58                $page->setLastRevision($event->data['current']['last_change']['date']);
59            } else {
60                $page->setLastRevision(null);
61            }
62
63            if (!blank($event->data['current']['last_change']['user'])) {
64                $page->setLastEditor($event->data['current']['last_change']['user']);
65            } elseif (!blank($event->data['current']['last_change']['ip'])) {
66                $page->setLastEditor($event->data['current']['last_change']['ip']);
67            } else {
68                $page->setLastEditor(null);
69            }
70
71            if (!blank($event->data['current']['last_change']['sum'])) {
72                $page->setLastSummary($event->data['current']['last_change']['sum']);
73            } else {
74                $page->setLastSummary(null);
75            }
76
77            $page->savePageData();
78        } catch (StructException $e) {
79            msg($e->getMessage(), -1);
80        }
81    }
82}
83