includes/SpecialRecentchanges.php

   1 <?php
   2 /**
   3  *
   4  * @package MediaWiki
   5  * @subpackage SpecialPage
   6  */
   7
   8 /**
   9  *
  10  */
  11 require_once( 'Feed.php' );
  12
  13 /**
  14  * Constructor
  15  */
  16 function wfSpecialRecentchanges( $par ) {
  17         global $wgUser, $wgOut, $wgLang, $wgContLang, $wgTitle, $wgMemc, $wgDBname;
  18         global $wgRequest, $wgSitename, $wgLanguageCode, $wgContLanguageCode;
  19         global $wgFeedClasses, $wgUseRCPatrol;
  20         $fname = 'wfSpecialRecentchanges';
  21
  22         # Get query parameters
  23         $feedFormat = $wgRequest->getVal( 'feed' );
  24
  25         $defaultDays = $wgUser->getOption( 'rcdays' );
  26         if ( !$defaultDays ) { $defaultDays = 3; }
  27
  28         $days = $wgRequest->getInt( 'days', $defaultDays );
  29         $hideminor = $wgRequest->getBool( 'hideminor', $wgUser->getOption( 'hideminor' ) ) ? 1 : 0;
  30         $from = $wgRequest->getText( 'from' );
  31         $hidebots = $wgRequest->getBool( 'hidebots', true ) ? 1 : 0;
  32         $hideliu = $wgRequest->getBool( 'hideliu', false ) ? 1 : 0;
  33         $hidepatrolled = $wgRequest->getBool( 'hidepatrolled', false ) ? 1 : 0;
  34
  35         list( $limit, $offset ) = wfCheckLimits( 100, 'rclimit' );
  36
  37         # Get query parameters from path
  38         if( $par ) {
  39                 $bits = preg_split( '/\s*,\s*/', trim( $par ) );
  40                 if( in_array( 'hidebots', $bits ) ) $hidebots = 1;
  41                 if( in_array( 'bots', $bits ) ) $hidebots = 0;
  42                 if( in_array( 'hideminor', $bits ) ) $hideminor = 1;
  43                 if( in_array( 'minor', $bits ) ) $hideminor = 0;
  44                 if( in_array( 'hideliu', $bits) ) $hideliu = 1;
  45                 if( in_array( 'hidepatrolled', $bits) ) $hidepatrolled = 1;
  46         }
  47
  48
  49         # Database connection and caching
  50         $dbr =& wfGetDB( DB_SLAVE );
  51         extract( $dbr->tableNames( 'recentchanges', 'watchlist' ) );
  52
  53
  54         # 10 seconds server-side caching max
  55         $wgOut->setSquidMaxage( 10 );
  56
  57         # Get last modified date, for client caching
  58         # Don't use this if we are using the patrol feature, patrol changes don't update the timestamp
  59         if ( !$wgUseRCPatrol ) {
  60                 $lastmod = $dbr->selectField( 'recentchanges', 'MAX(rc_timestamp)', false, $fname );
  61                 if( $lastmod && $wgOut->checkLastModified( $lastmod ) ){
  62                         # Client cache fresh and headers sent, nothing more to do.
  63                         return;
  64                 }
  65         }
  66
  67         # Output header
  68         $rctext = wfMsg( "recentchangestext" );
  69         $wgOut->addWikiText( $rctext );
  70
  71
  72         $now = wfTimestampNow();
  73         $cutoff_unixtime = time() - ( $days * 86400 );
  74         $cutoff_unixtime = $cutoff_unixtime - ($cutoff_unixtime % 86400);
  75         $cutoff = $dbr->timestamp( $cutoff_unixtime );
  76         if(preg_match('/^[0-9]{14}$/', $from) and $from > wfTimestamp(TS_MW,$cutoff)) {
  77                 $cutoff = $dbr->timestamp($from);
  78         } else {
  79                 unset($from);
  80         }
  81
  82         $sk = $wgUser->getSkin();
  83
  84         $showhide = array( wfMsg( 'show' ), wfMsg( 'hide' ));
  85
  86         $hidem  = ( $hideminor )    ? 'AND rc_minor=0' : '';
  87         $hidem .= ( $hidebots )     ? ' AND rc_bot=0' : '';
  88         $hidem .= ( $hideliu )      ? ' AND rc_user=0' : '';
  89         $hidem .= ( $hidepatrolled )? ' AND rc_patrolled=0' : '';
  90
  91         $urlparams = array( 'hideminor' => $hideminor,  'hideliu'       => $hideliu,
  92                             'hidebots'  => $hidebots,   'hidepatrolled' => $hidepatrolled,
  93                             'limit'     => $limit );
  94         $hideparams = wfArrayToCGI( $urlparams );
  95
  96         $minorLink = $sk->makeKnownLink( $wgContLang->specialPage( 'Recentchanges' ),
  97           $showhide[1-$hideminor], wfArrayToCGI( array( 'hideminor' => 1-$hideminor ), $urlparams ) );
  98         $botLink = $sk->makeKnownLink( $wgContLang->specialPage( 'Recentchanges' ),
  99           $showhide[1-$hidebots], wfArrayToCGI( array( 'hidebots' => 1-$hidebots ), $urlparams ) );
 100         $liuLink = $sk->makeKnownLink( $wgContLang->specialPage( 'Recentchanges' ),
 101           $showhide[1-$hideliu], wfArrayToCGI( array( 'hideliu' => 1-$hideliu ), $urlparams ) );
 102         $patrLink = $sk->makeKnownLink( $wgContLang->specialPage( 'Recentchanges' ),
 103           $showhide[1-$hidepatrolled], wfArrayToCGI( array( 'hidepatrolled' => 1-$hidepatrolled ), $urlparams ) );
 104
 105         $uid = $wgUser->getID();
 106         $sql2 = "SELECT $recentchanges.*" . ($uid ? ",wl_user" : "") . " FROM $recentchanges " .
 107           ($uid ? "LEFT OUTER JOIN $watchlist ON wl_user={$uid} AND wl_title=rc_title AND wl_namespace=rc_namespace & 65534 " : "") .
 108           "WHERE rc_timestamp > '{$cutoff}' {$hidem} " .
 109           "ORDER BY rc_timestamp DESC LIMIT {$limit}";
 110
 111         $res = $dbr->query( $sql2, DB_SLAVE, $fname );
 112         $rows = array();
 113         while( $row = $dbr->fetchObject( $res ) ){
 114                 $rows[] = $row;
 115         }
 116         $dbr->freeResult( $res );
 117
 118         if(isset($from)) {
 119                 $note = wfMsg( 'rcnotefrom', $wgLang->formatNum( $limit ),
 120                         $wgLang->timeanddate( $from, true ) );
 121         } else {
 122                 $note = wfMsg( 'rcnote', $wgLang->formatNum( $limit ), $wgLang->formatNum( $days ) );
 123         }
 124         $wgOut->addHTML( "\n<hr />\n{$note}\n<br />" );
 125
 126         $note = rcDayLimitLinks( $days, $limit, 'Recentchanges', $hideparams, false, $minorLink, $botLink, $liuLink, $patrLink );
 127
 128         $note .= "<br />\n" . wfMsg( 'rclistfrom',
 129           $sk->makeKnownLink( $wgContLang->specialPage( 'Recentchanges' ),
 130           $wgLang->timeanddate( $now, true ), $hideparams.'&from='.$now ) );
 131
 132         $wgOut->addHTML( $note."\n" );
 133
 134         if( isset($wgFeedClasses[$feedFormat]) ) {
 135                 $feed = new $wgFeedClasses[$feedFormat](
 136                         $wgSitename . ' - ' . wfMsg( 'recentchanges' ) . ' [' . $wgContLanguageCode . ']',
 137                         htmlspecialchars( wfMsg( 'recentchangestext' ) ),
 138                         $wgTitle->getFullUrl() );
 139                 $feed->outHeader();
 140
 141                 # Merge adjacent edits by one user
 142                 $sorted = array();
 143                 $n = 0;
 144                 foreach( $rows as $obj ) {
 145                         if( $n > 0 &&
 146                                 $obj->rc_namespace >= 0 &&
 147                             $obj->rc_cur_id == $sorted[$n-1]->rc_cur_id &&
 148                             $obj->rc_user_text == $sorted[$n-1]->rc_user_text ) {
 149                                 $sorted[$n-1]->rc_last_oldid = $obj->rc_last_oldid;
 150                         } else {
 151                                 $sorted[$n] = $obj;
 152                                 $n++;
 153                         }
 154                         $first = false;
 155                 }
 156
 157                 foreach( $sorted as $obj ) {
 158                         $title = Title::makeTitle( $obj->rc_namespace, $obj->rc_title );
 159                         $talkpage = $title->getTalkPage();
 160                         $item = new FeedItem(
 161                                 $title->getPrefixedText(),
 162                                 rcFormatDiff( $obj ),
 163                                 $title->getFullURL(),
 164                                 $obj->rc_timestamp,
 165                                 $obj->rc_user_text,
 166                                 $talkpage->getFullURL()
 167                                 );
 168                         $feed->outItem( $item );
 169                 }
 170                 $feed->outFooter();
 171         } else {
 172                 $wgOut->setSyndicated( true );
 173                 $s = $sk->beginRecentChangesList();
 174                 $counter = 1;
 175                 foreach( $rows as $obj ){
 176                         if( $limit == 0) {
 177                                 break;
 178                         }
 179
 180                         if ( ! ( $hideminor     && $obj->rc_minor     ) &&
 181                              ! ( $hidepatrolled && $obj->rc_patrolled ) ) {
 182                                 $rc = RecentChange::newFromRow( $obj );
 183                                 $rc->counter = $counter++;
 184                                 $s .= $sk->recentChangesLine( $rc, !empty( $obj->wl_user ) );
 185                                 --$limit;
 186                         }
 187                 }
 188                 $s .= $sk->endRecentChangesList();
 189                 $wgOut->addHTML( $s );
 190         }
 191 }
 192
 193 /**
 194  *
 195  */
 196 function rcCountLink( $lim, $d, $page='Recentchanges', $more='' ) {
 197         global $wgUser, $wgLang, $wgContLang;
 198         $sk = $wgUser->getSkin();
 199         $s = $sk->makeKnownLink( $wgContLang->specialPage( $page ),
 200           ($lim ? $wgLang->formatNum( "{$lim}" ) : wfMsg( 'all' ) ), "{$more}" .
 201           ($d ? "days={$d}&" : '') . 'limit='.$lim );
 202         return $s;
 203 }
 204
 205 /**
 206  *
 207  */
 208 function rcDaysLink( $lim, $d, $page='Recentchanges', $more='' ) {
 209         global $wgUser, $wgLang, $wgContLang;
 210         $sk = $wgUser->getSkin();
 211         $s = $sk->makeKnownLink( $wgContLang->specialPage( $page ),
 212           ($d ? $wgLang->formatNum( "{$d}" ) : wfMsg( "all" ) ), $more.'days='.$d .
 213           ($lim ? '&limit='.$lim : '') );
 214         return $s;
 215 }
 216
 217 /**
 218  *
 219  */
 220 function rcDayLimitLinks( $days, $limit, $page='Recentchanges', $more='', $doall = false, $minorLink = '',
 221         $botLink = '', $liuLink = '', $patrLink = '' ) {
 222         if ($more != '') $more .= '&';
 223         $cl = rcCountLink( 50, $days, $page, $more ) . ' | ' .
 224           rcCountLink( 100, $days, $page, $more  ) . ' | ' .
 225           rcCountLink( 250, $days, $page, $more  ) . ' | ' .
 226           rcCountLink( 500, $days, $page, $more  ) .
 227           ( $doall ? ( ' | ' . rcCountLink( 0, $days, $page, $more ) ) : '' );
 228         $dl = rcDaysLink( $limit, 1, $page, $more  ) . ' | ' .
 229           rcDaysLink( $limit, 3, $page, $more  ) . ' | ' .
 230           rcDaysLink( $limit, 7, $page, $more  ) . ' | ' .
 231           rcDaysLink( $limit, 14, $page, $more  ) . ' | ' .
 232           rcDaysLink( $limit, 30, $page, $more  ) .
 233           ( $doall ? ( ' | ' . rcDaysLink( $limit, 0, $page, $more ) ) : '' );
 234         $shm = wfMsg( 'showhideminor', $minorLink, $botLink, $liuLink, $patrLink );
 235         $note = wfMsg( 'rclinks', $cl, $dl, $shm );
 236         return $note;
 237 }
 238
 239 /**
 240  * Obsolete? Isn't called from anywhere and $mlink isn't defined
 241  */
 242 function rcLimitLinks( $page='Recentchanges', $more='', $doall = false ) {
 243         if ($more != '') $more .= '&';
 244         $cl = rcCountLink( 50, 0, $page, $more ) . ' | ' .
 245           rcCountLink( 100, 0, $page, $more  ) . ' | ' .
 246           rcCountLink( 250, 0, $page, $more  ) . ' | ' .
 247           rcCountLink( 500, 0, $page, $more  ) .
 248           ( $doall ? ( ' | ' . rcCountLink( 0, $days, $page, $more ) ) : '' );
 249         $note = wfMsg( 'rclinks', $cl, '', $mlink );
 250         return $note;
 251 }
 252
 253 function rcFormatDiff( $row ) {
 254         require_once( 'DifferenceEngine.php' );
 255         $comment = "<p>" . htmlspecialchars( $row->rc_comment ) . "</p>\n";
 256
 257         if( $row->rc_namespace >= 0 ) {
 258                 global $wgContLang;
 259
 260                 #$diff =& new DifferenceEngine( $row->rc_this_oldid, $row->rc_last_oldid, $row->rc_id );
 261                 #$diff->showDiffPage();
 262
 263                 $dbr =& wfGetDB( DB_SLAVE );
 264                 if( $row->rc_this_oldid ) {
 265                         $newrow = $dbr->selectRow( 'old',
 266                                 array( 'old_flags', 'old_text' ),
 267                                 array( 'old_id' => $row->rc_this_oldid ) );
 268                         $newtext = Article::getRevisionText( $newrow );
 269                 } else {
 270                         $newrow = $dbr->selectRow( 'cur',
 271                                 array( 'cur_text' ),
 272                                 array( 'cur_id' => $row->rc_cur_id ) );
 273                         $newtext = $newrow->cur_text;
 274                 }
 275                 if( $row->rc_last_oldid ) {
 276                         $oldrow = $dbr->selectRow( 'old',
 277                                 array( 'old_flags', 'old_text' ),
 278                                 array( 'old_id' => $row->rc_last_oldid ) );
 279                         $oldtext = Article::getRevisionText( $oldrow );
 280                         $diffText = DifferenceEngine::getDiff( $oldtext, $newtext,
 281                           wfMsg( 'revisionasof', $wgContLang->timeanddate( $row->rc_timestamp ) ),
 282                           wfMsg( 'currentrev' ) );
 283                 } else {
 284                         $diffText = '<p><b>' . wfMsg( 'newpage' ) . '</b></p>' .
 285                                 '<div>' . nl2br( htmlspecialchars( $newtext ) ) . '</div>';
 286                 }
 287
 288                 return $comment . $diffText;
 289         }
 290
 291         return $comment;
 292 }
 293
 294 ?>