summaryrefslogtreecommitdiff
path: root/includes/SpecialNewimages.php
blob: 95c90e42db32621c20ada182394d377675b88f2f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
<?php
/**
 *
 * @package MediaWiki
 * @subpackage SpecialPage
 */

/**
 *
 */
function wfSpecialNewimages( $par, $specialPage ) {
	global $wgUser, $wgOut, $wgLang, $wgContLang, $wgRequest, $wgGroupPermissions;

	$wpIlMatch = $wgRequest->getText( 'wpIlMatch' );
	$dbr =& wfGetDB( DB_SLAVE );
	$sk = $wgUser->getSkin();
	$shownav = !$specialPage->including();
	$hidebots = $wgRequest->getBool('hidebots',1);

	$hidebotsql = '';
	if ($hidebots) {

		/** Make a list of group names which have the 'bot' flag
		    set.
		*/
		$botconds=array();
		foreach ($wgGroupPermissions as $groupname=>$perms) {
			if(array_key_exists('bot',$perms) && $perms['bot']) {
				$botconds[]="ug_group='$groupname'";
			}
		}

		/* If not bot groups, do not set $hidebotsql */
		if ($botconds) {
			$isbotmember=$dbr->makeList($botconds, LIST_OR);

			/** This join, in conjunction with WHERE ug_group
			    IS NULL, returns only those rows from IMAGE
		    	where the uploading user is not a member of
		    	a group which has the 'bot' permission set.
			*/
			$ug = $dbr->tableName('user_groups');
			$hidebotsql = " LEFT OUTER JOIN $ug ON img_user=ug_user AND ($isbotmember)";
		}
	}

	$image = $dbr->tableName('image');

	$sql="SELECT img_timestamp from $image";
	if ($hidebotsql) {
		$sql .= "$hidebotsql WHERE ug_group IS NULL";
	}
	$sql.=' ORDER BY img_timestamp DESC LIMIT 1';
	$res = $dbr->query($sql, 'wfSpecialNewImages');
	$row = $dbr->fetchRow($res);
	if($row!==false) {
		$ts=$row[0];
	} else {
		$ts=false;
	}
	$dbr->freeResult($res);
	$sql='';

	/** If we were clever, we'd use this to cache. */
	$latestTimestamp = wfTimestamp( TS_MW, $ts);

	/** Hardcode this for now. */
	$limit = 48;

	if ( $parval = intval( $par ) )
		if ( $parval <= $limit && $parval > 0 )
			$limit = $parval;

	$where = array();
	$searchpar = '';
	if ( $wpIlMatch != '' ) {
		$nt = Title::newFromUrl( $wpIlMatch );
		if($nt ) {
			$m = $dbr->strencode( strtolower( $nt->getDBkey() ) );
			$m = str_replace( '%', "\\%", $m );
			$m = str_replace( '_', "\\_", $m );
			$where[] = "LCASE(img_name) LIKE '%{$m}%'";
			$searchpar = '&wpIlMatch=' . urlencode( $wpIlMatch );
		}
	}

	$invertSort = false;
	if( $until = $wgRequest->getVal( 'until' ) ) {
		$where[] = 'img_timestamp < ' . $dbr->timestamp( $until );
	}
	if( $from = $wgRequest->getVal( 'from' ) ) {
		$where[] = 'img_timestamp >= ' . $dbr->timestamp( $from );
		$invertSort = true;
	}
	$sql='SELECT img_size, img_name, img_user, img_user_text,'.
	     "img_description,img_timestamp FROM $image";

	if($hidebotsql) {
		$sql .= $hidebotsql;
		$where[]='ug_group IS NULL';
	}
	if(count($where)) {
		$sql.=' WHERE '.$dbr->makeList($where, LIST_AND);
	}
	$sql.=' ORDER BY img_timestamp '. ( $invertSort ? '' : ' DESC' );
	$sql.=' LIMIT '.($limit+1);
	$res = $dbr->query($sql, 'wfSpecialNewImages');

	/**
	 * We have to flip things around to get the last N after a certain date
	 */
	$images = array();
	while ( $s = $dbr->fetchObject( $res ) ) {
		if( $invertSort ) {
			array_unshift( $images, $s );
		} else {
			array_push( $images, $s );
		}
	}
	$dbr->freeResult( $res );

	$gallery = new ImageGallery();
	$firstTimestamp = null;
	$lastTimestamp = null;
	$shownImages = 0;
	foreach( $images as $s ) {
		if( ++$shownImages > $limit ) {
			# One extra just to test for whether to show a page link;
			# don't actually show it.
			break;
		}

		$name = $s->img_name;
		$ut = $s->img_user_text;

		$nt = Title::newFromText( $name, NS_IMAGE );
		$img = new Image( $nt );
		$ul = $sk->makeLinkObj( Title::makeTitle( NS_USER, $ut ), $ut );

		$gallery->add( $img, "$ul<br />\n<i>".$wgLang->timeanddate( $s->img_timestamp, true )."</i><br />\n" );

		$timestamp = wfTimestamp( TS_MW, $s->img_timestamp );
		if( empty( $firstTimestamp ) ) {
			$firstTimestamp = $timestamp;
		}
		$lastTimestamp = $timestamp;
	}

	$bydate = wfMsg( 'bydate' );
	$lt = $wgLang->formatNum( min( $shownImages, $limit ) );
	if ($shownav) {
		$text = wfMsgExt( 'imagelisttext', array('parse'), $lt, $bydate );
		$wgOut->addHTML( $text . "\n" );
	}

	$sub = wfMsg( 'ilsubmit' );
	$titleObj = Title::makeTitle( NS_SPECIAL, 'Newimages' );
	$action = $titleObj->escapeLocalURL( $hidebots ? '' : 'hidebots=0' );
	if ($shownav) {
		$wgOut->addHTML( "<form id=\"imagesearch\" method=\"post\" action=\"" .
		  "{$action}\">" .
		  "<input type='text' size='20' name=\"wpIlMatch\" value=\"" .
		  htmlspecialchars( $wpIlMatch ) . "\" /> " .
		  "<input type='submit' name=\"wpIlSubmit\" value=\"{$sub}\" /></form>" );
	}
	$here = $wgContLang->specialPage( 'Newimages' );

	/**
	 * Paging controls...
	 */

	# If we change bot visibility, this needs to be carried along.
	if(!$hidebots) {
		$botpar='&hidebots=0';
	} else {
		$botpar='';
	}
	$now = wfTimestampNow();
	$date = $wgLang->timeanddate( $now, true );
	$dateLink = $sk->makeKnownLinkObj( $titleObj, wfMsg( 'sp-newimages-showfrom', $date ), 'from='.$now.$botpar.$searchpar );

	$botLink = $sk->makeKnownLinkObj($titleObj, wfMsg( 'showhidebots', ($hidebots ? wfMsg('show') : wfMsg('hide'))),'hidebots='.($hidebots ? '0' : '1').$searchpar);

	$prevLink = wfMsg( 'prevn', $wgLang->formatNum( $limit ) );
	if( $firstTimestamp && $firstTimestamp != $latestTimestamp ) {
		$prevLink = $sk->makeKnownLinkObj( $titleObj, $prevLink, 'from=' . $firstTimestamp . $botpar . $searchpar );
	}

	$nextLink = wfMsg( 'nextn', $wgLang->formatNum( $limit ) );
	if( $shownImages > $limit && $lastTimestamp ) {
		$nextLink = $sk->makeKnownLinkObj( $titleObj, $nextLink, 'until=' . $lastTimestamp.$botpar.$searchpar );
	}

	$prevnext = '<p>' . $botLink . ' '. wfMsg( 'viewprevnext', $prevLink, $nextLink, $dateLink ) .'</p>';

	if ($shownav)
		$wgOut->addHTML( $prevnext );

	if( count( $images ) ) {
		$wgOut->addHTML( $gallery->toHTML() );
		if ($shownav)
			$wgOut->addHTML( $prevnext );
	} else {
		$wgOut->addWikiText( wfMsg( 'noimages' ) );
	}
}

?>