Reduce calls to wfTimestampNow() by using temporary variable. Inspired by CR on r88278.
[lhc/web/wiklou.git] / includes / specials / SpecialTags.php
1 <?php
2 /**
3 * Implements Special:Tags
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
19 *
20 * @file
21 * @ingroup SpecialPage
22 */
23
24 if (!defined('MEDIAWIKI'))
25 die;
26
27 /**
28 * A special page that lists tags for edits
29 *
30 * @ingroup SpecialPage
31 */
32 class SpecialTags extends SpecialPage {
33
34 function __construct() {
35 parent::__construct( 'Tags' );
36 }
37
38 function execute( $par ) {
39 global $wgOut;
40
41 $wgOut->setPageTitle( wfMsg( 'tags-title' ) );
42 $wgOut->wrapWikiMsg( "<div class='mw-tags-intro'>\n$1\n</div>", 'tags-intro' );
43
44 // Write the headers
45 $html = Xml::tags( 'tr', null, Xml::tags( 'th', null, wfMsgExt( 'tags-tag', 'parseinline' ) ) .
46 Xml::tags( 'th', null, wfMsgExt( 'tags-display-header', 'parseinline' ) ) .
47 Xml::tags( 'th', null, wfMsgExt( 'tags-description-header', 'parseinline' ) ) .
48 Xml::tags( 'th', null, wfMsgExt( 'tags-hitcount-header', 'parseinline' ) )
49 );
50 $dbr = wfGetDB( DB_SLAVE );
51 $res = $dbr->select( 'change_tag', array( 'ct_tag', 'count(*) AS hitcount' ),
52 array(), __METHOD__, array( 'GROUP BY' => 'ct_tag', 'ORDER BY' => 'hitcount DESC' ) );
53
54 foreach ( $res as $row ) {
55 $html .= $this->doTagRow( $row->ct_tag, $row->hitcount );
56 }
57
58 foreach( ChangeTags::listDefinedTags() as $tag ) {
59 $html .= $this->doTagRow( $tag, 0 );
60 }
61
62 $wgOut->addHTML( Xml::tags( 'table', array( 'class' => 'wikitable mw-tags-table' ), $html ) );
63 }
64
65 function doTagRow( $tag, $hitcount ) {
66 static $sk = null, $doneTags = array();
67 if ( !$sk ) {
68 global $wgUser;
69 $sk = $wgUser->getSkin();
70 }
71
72 if ( in_array( $tag, $doneTags ) ) {
73 return '';
74 }
75
76 global $wgLang;
77
78 $newRow = '';
79 $newRow .= Xml::tags( 'td', null, Xml::element( 'tt', null, $tag ) );
80
81 $disp = ChangeTags::tagDescription( $tag );
82 $disp .= ' (' . $sk->link( Title::makeTitle( NS_MEDIAWIKI, "Tag-$tag" ), wfMsgHtml( 'tags-edit' ) ) . ')';
83 $newRow .= Xml::tags( 'td', null, $disp );
84
85 $msg = wfMessage( "tag-$tag-description" );
86 $desc = !$msg->exists() ? '' : $msg->parse();
87 $desc .= ' (' . $sk->link( Title::makeTitle( NS_MEDIAWIKI, "Tag-$tag-description" ), wfMsgHtml( 'tags-edit' ) ) . ')';
88 $newRow .= Xml::tags( 'td', null, $desc );
89
90 $hitcount = wfMsgExt( 'tags-hitcount', array( 'parsemag' ), $wgLang->formatNum( $hitcount ) );
91 $hitcount = $sk->link( SpecialPage::getTitleFor( 'Recentchanges' ), $hitcount, array(), array( 'tagfilter' => $tag ) );
92 $newRow .= Xml::tags( 'td', null, $hitcount );
93
94 $doneTags[] = $tag;
95
96 return Xml::tags( 'tr', null, $newRow ) . "\n";
97 }
98 }