xref: /plugin/struct/action/move.php (revision 6ce83f43d920e16e86a4d768ca3ad11f4e0321a1)
1<?php
2/**
3 * DokuWiki Plugin struct (Action Component)
4 *
5 * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
6 * @author  Andreas Gohr, Michael Große <dokuwiki@cosmocode.de>
7 */
8
9// must be run within Dokuwiki
10use dokuwiki\plugin\struct\meta\Assignments;
11use dokuwiki\plugin\struct\meta\Schema;
12
13if(!defined('DOKU_INC')) die();
14
15class action_plugin_struct_move extends DokuWiki_Action_Plugin {
16
17    /**
18     * Registers a callback function for a given event
19     *
20     * @param Doku_Event_Handler $controller DokuWiki's event controller object
21     * @return void
22     */
23    public function register(Doku_Event_Handler $controller) {
24        $controller->register_hook('PLUGIN_MOVE_PAGE_RENAME', 'AFTER', $this, 'handle_move');
25    }
26
27    /**
28     * Renames all occurances of a page ID in the database
29     *
30     * @param Doku_Event $event event object by reference
31     * @param mixed $param [the parameters passed as fifth argument to register_hook() when this
32     *                           handler was registered]
33     * @return bool
34     */
35    public function handle_move(Doku_Event $event, $param) {
36        /** @var helper_plugin_struct_db $hlp */
37        $hlp = plugin_load('helper', 'struct_db');
38        $db = $hlp->getDB();
39        if(!$db) return false;
40
41        $old = $event->data['src_id'];
42        $new = $event->data['dst_id'];
43
44        // ALL data tables (we don't trust the assigments are still there)
45        foreach(Schema::getAll('page') as $tbl) {
46            $sql = "UPDATE data_$tbl SET pid = ? WHERE pid = ?";
47            $db->query($sql, array($new, $old));
48            $sql = "UPDATE multi_$tbl SET pid = ? WHERE pid = ?";
49            $db->query($sql, array($new, $old));
50        }
51        // assignments
52        $sql = "UPDATE schema_assignments SET pid = ? WHERE pid = ?";
53        $db->query($sql, array($new, $old));
54        // make sure assignments still match patterns;
55        $assignments = new Assignments();
56        $assignments->reevaluatePageAssignments($new);
57
58        // titles
59        $sql = "UPDATE titles SET pid = ? WHERE pid = ?";
60        $db->query($sql, array($new, $old));
61
62        return true;
63    }
64}
65