1<?php
2
3namespace dokuwiki\ChangeLog;
4
5/**
6 * Class PageChangeLog; handles changelog of a wiki page
7 */
8class PageChangeLog extends ChangeLog
9{
10    /**
11     * Returns path to changelog
12     *
13     * @return string path to file
14     */
15    protected function getChangelogFilename()
16    {
17        return metaFN($this->id, '.changes');
18    }
19
20    /**
21     * Returns path to current page/media
22     *
23     * @param string|int $rev empty string or revision timestamp
24     * @return string path to file
25     */
26    protected function getFilename($rev = '')
27    {
28        return wikiFN($this->id, $rev);
29    }
30
31    /**
32     * Returns mode
33     *
34     * @return string RevisionInfo::MODE_PAGE
35     */
36    protected function getMode()
37    {
38        return RevisionInfo::MODE_PAGE;
39    }
40
41
42    /**
43     * Adds an entry to the changelog
44     *
45     * @param array $info    Revision info structure of a page
46     * @param int $timestamp log line date (optional)
47     * @return array revision info of added log line
48     *
49     * @see also addLogEntry() in inc/changelog.php file
50     */
51    public function addLogEntry(array $info, $timestamp = null)
52    {
53        global $conf;
54
55        if (isset($timestamp)) unset($this->cache[$this->id][$info['date']]);
56
57        // add changelog lines
58        $logline = static::buildLogLine($info, $timestamp);
59        io_saveFile(metaFN($this->id, '.changes'), $logline, true);
60        io_saveFile($conf['changelog'], $logline, true); //global changelog cache
61
62        // update cache
63        $this->currentRevision = $info['date'];
64        $info['mode'] = $this->getMode();
65        $this->cache[$this->id][$this->currentRevision] = $info;
66        return $info;
67    }
68}
69