xref: /plugin/structpublish/action/show.php (revision 364fb00a76700441fe173fe52b5398f15985dc8a) 
1<?php
2
3use dokuwiki\plugin\structpublish\meta\Constants;
4use dokuwiki\plugin\structpublish\meta\Revision;
5
6class action_plugin_structpublish_show extends DokuWiki_Action_Plugin
7{
8    /** @inheritDoc */
9    public function register(Doku_Event_Handler $controller)
10    {
11        $controller->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this, 'handleShow');
12    }
13
14    /**
15     * Decide which revision to show based on role assignments
16     *
17     * @param Doku_Event $event
18     * @return void
19     */
20    public function handleShow(Doku_Event $event)
21    {
22        if ($event->data != 'show') {
23            return;
24        }
25
26        global $ID;
27        global $REV;
28        global $INFO;
29
30        /** @var helper_plugin_structpublish_db $dbHelper */
31        $dbHelper = plugin_load('helper', 'structpublish_db');
32
33        if (!$dbHelper->isPublishable()) {
34            return;
35        }
36
37        $currentRevision = new Revision($dbHelper->getDB(), $ID, $INFO['currentrev']);
38        /** @var action_plugin_structpublish_sqlitefunction $functions */
39        $functions = plugin_load('action', 'structpublish_sqlitefunction');
40        if (
41            $currentRevision->getStatus() !== Constants::STATUS_PUBLISHED
42            && !$functions->IS_PUBLISHER($ID)
43        ) {
44            $latestPublishedRev = $currentRevision->getLatestPublishedRevision()->getRev();
45            if (!$latestPublishedRev) {
46                $event->data = 'denied';
47                // FIXME we could add our own action to display a custom message instead of standard denied action
48            }
49
50            $REV = $latestPublishedRev;
51            $INFO['rev'] = $latestPublishedRev;
52        }
53    }
54}
55