xref: /dokuwiki/inc/Subscriptions/PageSubscriptionSender.php (revision 27f63a230ac7def28270ac72832681ef70e10853) 
1<?php
2
3
4namespace dokuwiki\Subscriptions;
5
6
7use Diff;
8use InlineDiffFormatter;
9use UnifiedDiffFormatter;
10
11class PageSubscriptionSender extends SubscriptionSender
12{
13
14    /**
15     * Send the diff for some page change
16     *
17     * @param string   $subscriber_mail The target mail address
18     * @param string   $template        Mail template ('subscr_digest', 'subscr_single', 'mailtext', ...)
19     * @param string   $id              Page for which the notification is
20     * @param int|null $rev             Old revision if any
21     * @param string   $summary         Change summary if any
22     *
23     * @return bool                     true if successfully sent
24     */
25    public function sendPageDiff($subscriber_mail, $template, $id, $rev = null, $summary = '')
26    {
27        global $DIFF_INLINESTYLES;
28
29        // prepare replacements (keys not set in hrep will be taken from trep)
30        $trep = [
31            'PAGE' => $id,
32            'NEWPAGE' => wl($id, '', true, '&'),
33            'SUMMARY' => $summary,
34            'SUBSCRIBE' => wl($id, ['do' => 'subscribe'], true, '&'),
35        ];
36        $hrep = [];
37
38        if ($rev) {
39            $subject = 'changed';
40            $trep['OLDPAGE'] = wl($id, "rev=$rev", true, '&');
41
42            $old_content = rawWiki($id, $rev);
43            $new_content = rawWiki($id);
44
45            $df = new Diff(
46                explode("\n", $old_content),
47                explode("\n", $new_content)
48            );
49            $dformat = new UnifiedDiffFormatter();
50            $tdiff = $dformat->format($df);
51
52            $DIFF_INLINESTYLES = true;
53            $df = new Diff(
54                explode("\n", $old_content),
55                explode("\n", $new_content)
56            );
57            $dformat = new InlineDiffFormatter();
58            $hdiff = $dformat->format($df);
59            $hdiff = '<table>' . $hdiff . '</table>';
60            $DIFF_INLINESTYLES = false;
61        } else {
62            $subject = 'newpage';
63            $trep['OLDPAGE'] = '---';
64            $tdiff = rawWiki($id);
65            $hdiff = nl2br(hsc($tdiff));
66        }
67
68        $trep['DIFF'] = $tdiff;
69        $hrep['DIFF'] = $hdiff;
70
71        $headers = ['Message-Id' => $this->getMessageID($id)];
72        if ($rev) {
73            $headers['In-Reply-To'] = $this->getMessageID($id, $rev);
74        }
75
76        return $this->send(
77            $subscriber_mail,
78            $subject,
79            $id,
80            $template,
81            $trep,
82            $hrep,
83            $headers
84        );
85    }
86
87}
88