includes/SpecialRecentchanges.php

   1 <?php
   2 /**
   3  *
   4  * @package MediaWiki
   5  * @subpackage SpecialPage
   6  */
   7
   8 /**
   9  *
  10  */
  11 require_once( 'Feed.php' );
  12 require_once( 'ChangesList.php' );
  13
  14 /**
  15  * Constructor
  16  */
  17 function wfSpecialRecentchanges( $par ) {
  18         global $wgUser, $wgOut, $wgLang, $wgContLang, $wgTitle, $wgMemc, $wgDBname;
  19         global $wgRequest, $wgSitename, $wgLanguageCode, $wgContLanguageCode;
  20         global $wgFeedClasses, $wgUseRCPatrol;
  21         $fname = 'wfSpecialRecentchanges';
  22
  23         # Get query parameters
  24         $feedFormat = $wgRequest->getVal( 'feed' );
  25
  26         $defaultDays = $wgUser->getOption( 'rcdays' );
  27         if ( !$defaultDays ) { $defaultDays = 3; }
  28
  29         $days = $wgRequest->getInt( 'days', $defaultDays );
  30         $hideminor = $wgRequest->getBool( 'hideminor', $wgUser->getOption( 'hideminor' ) ) ? 1 : 0;
  31         $from = $wgRequest->getText( 'from' );
  32         $hidebots = $wgRequest->getBool( 'hidebots', true ) ? 1 : 0;
  33         $hideliu = $wgRequest->getBool( 'hideliu', false ) ? 1 : 0;
  34         $hidepatrolled = $wgRequest->getBool( 'hidepatrolled', false ) ? 1 : 0;
  35
  36         list( $limit, $offset ) = wfCheckLimits( 100, 'rclimit' );
  37
  38         # Get query parameters from path
  39         if( $par ) {
  40                 $bits = preg_split( '/\s*,\s*/', trim( $par ) );
  41                 if( in_array( 'hidebots', $bits ) ) $hidebots = 1;
  42                 if( in_array( 'bots', $bits ) ) $hidebots = 0;
  43                 if( in_array( 'hideminor', $bits ) ) $hideminor = 1;
  44                 if( in_array( 'minor', $bits ) ) $hideminor = 0;
  45                 if( in_array( 'hideliu', $bits) ) $hideliu = 1;
  46                 if( in_array( 'hidepatrolled', $bits) ) $hidepatrolled = 1;
  47         }
  48
  49
  50         # Database connection and caching
  51         $dbr =& wfGetDB( DB_SLAVE );
  52         extract( $dbr->tableNames( 'recentchanges', 'watchlist' ) );
  53
  54
  55         # 10 seconds server-side caching max
  56         $wgOut->setSquidMaxage( 10 );
  57
  58         # Get last modified date, for client caching
  59         # Don't use this if we are using the patrol feature, patrol changes don't update the timestamp
  60         if ( !$wgUseRCPatrol ) {
  61                 $lastmod = $dbr->selectField( 'recentchanges', 'MAX(rc_timestamp)', false, $fname );
  62                 if( $lastmod && $wgOut->checkLastModified( $lastmod ) ){
  63                         # Client cache fresh and headers sent, nothing more to do.
  64                         return;
  65                 }
  66         }
  67
  68         # Output header
  69         $rctext = wfMsg( "recentchangestext" );
  70         $wgOut->addWikiText( $rctext );
  71
  72
  73         $now = wfTimestampNow();
  74         $cutoff_unixtime = time() - ( $days * 86400 );
  75         $cutoff_unixtime = $cutoff_unixtime - ($cutoff_unixtime % 86400);
  76         $cutoff = $dbr->timestamp( $cutoff_unixtime );
  77         if(preg_match('/^[0-9]{14}$/', $from) and $from > wfTimestamp(TS_MW,$cutoff)) {
  78                 $cutoff = $dbr->timestamp($from);
  79         } else {
  80                 unset($from);
  81         }
  82
  83         $sk = $wgUser->getSkin();
  84
  85         $showhide = array( wfMsg( 'show' ), wfMsg( 'hide' ));
  86
  87         $hidem  = ( $hideminor )    ? 'AND rc_minor=0' : '';
  88         $hidem .= ( $hidebots )     ? ' AND rc_bot=0' : '';
  89         $hidem .= ( $hideliu )      ? ' AND rc_user=0' : '';
  90         $hidem .= ( $hidepatrolled )? ' AND rc_patrolled=0' : '';
  91
  92         $urlparams = array( 'hideminor' => $hideminor,  'hideliu'       => $hideliu,
  93                             'hidebots'  => $hidebots,   'hidepatrolled' => $hidepatrolled,
  94                             'limit'     => $limit );
  95         $hideparams = wfArrayToCGI( $urlparams );
  96
  97         $minorLink = $sk->makeKnownLink( $wgContLang->specialPage( 'Recentchanges' ),
  98           $showhide[1-$hideminor], wfArrayToCGI( array( 'hideminor' => 1-$hideminor ), $urlparams ) );
  99         $botLink = $sk->makeKnownLink( $wgContLang->specialPage( 'Recentchanges' ),
 100           $showhide[1-$hidebots], wfArrayToCGI( array( 'hidebots' => 1-$hidebots ), $urlparams ) );
 101         $liuLink = $sk->makeKnownLink( $wgContLang->specialPage( 'Recentchanges' ),
 102           $showhide[1-$hideliu], wfArrayToCGI( array( 'hideliu' => 1-$hideliu ), $urlparams ) );
 103         $patrLink = $sk->makeKnownLink( $wgContLang->specialPage( 'Recentchanges' ),
 104           $showhide[1-$hidepatrolled], wfArrayToCGI( array( 'hidepatrolled' => 1-$hidepatrolled ), $urlparams ) );
 105
 106         $uid = $wgUser->getID();
 107         $sql2 = "SELECT $recentchanges.*" . ($uid ? ",wl_user" : "") . " FROM $recentchanges " .
 108           ($uid ? "LEFT OUTER JOIN $watchlist ON wl_user={$uid} AND wl_title=rc_title AND wl_namespace=rc_namespace & 65534 " : "") .
 109           "WHERE rc_timestamp > '{$cutoff}' {$hidem} " .
 110           "ORDER BY rc_timestamp DESC LIMIT {$limit}";
 111
 112         $res = $dbr->query( $sql2, DB_SLAVE, $fname );
 113         $rows = array();
 114         while( $row = $dbr->fetchObject( $res ) ){
 115                 $rows[] = $row;
 116         }
 117         $dbr->freeResult( $res );
 118
 119         if(isset($from)) {
 120                 $note = wfMsg( 'rcnotefrom', $wgLang->formatNum( $limit ),
 121                         $wgLang->timeanddate( $from, true ) );
 122         } else {
 123                 $note = wfMsg( 'rcnote', $wgLang->formatNum( $limit ), $wgLang->formatNum( $days ) );
 124         }
 125         $wgOut->addHTML( "\n<hr />\n{$note}\n<br />" );
 126
 127         $note = rcDayLimitLinks( $days, $limit, 'Recentchanges', $hideparams, false, $minorLink, $botLink, $liuLink, $patrLink );
 128
 129         $note .= "<br />\n" . wfMsg( 'rclistfrom',
 130           $sk->makeKnownLink( $wgContLang->specialPage( 'Recentchanges' ),
 131           $wgLang->timeanddate( $now, true ), $hideparams.'&from='.$now ) );
 132
 133         $wgOut->addHTML( $note."\n" );
 134
 135         if( isset($wgFeedClasses[$feedFormat]) ) {
 136                 $feed = new $wgFeedClasses[$feedFormat](
 137                         $wgSitename . ' - ' . wfMsg( 'recentchanges' ) . ' [' . $wgContLanguageCode . ']',
 138                         htmlspecialchars( wfMsg( 'recentchangestext' ) ),
 139                         $wgTitle->getFullUrl() );
 140                 $feed->outHeader();
 141
 142                 # Merge adjacent edits by one user
 143                 $sorted = array();
 144                 $n = 0;
 145                 foreach( $rows as $obj ) {
 146                         if( $n > 0 &&
 147                                 $obj->rc_namespace >= 0 &&
 148                             $obj->rc_cur_id == $sorted[$n-1]->rc_cur_id &&
 149                             $obj->rc_user_text == $sorted[$n-1]->rc_user_text ) {
 150                                 $sorted[$n-1]->rc_last_oldid = $obj->rc_last_oldid;
 151                         } else {
 152                                 $sorted[$n] = $obj;
 153                                 $n++;
 154                         }
 155                         $first = false;
 156                 }
 157
 158                 foreach( $sorted as $obj ) {
 159                         $title = Title::makeTitle( $obj->rc_namespace, $obj->rc_title );
 160                         $talkpage = $title->getTalkPage();
 161                         $item = new FeedItem(
 162                                 $title->getPrefixedText(),
 163                                 rcFormatDiff( $obj ),
 164                                 $title->getFullURL(),
 165                                 $obj->rc_timestamp,
 166                                 $obj->rc_user_text,
 167                                 $talkpage->getFullURL()
 168                                 );
 169                         $feed->outItem( $item );
 170                 }
 171                 $feed->outFooter();
 172         } else {
 173                 $wgOut->setSyndicated( true );
 174                 $list =& new ChangesList( $sk );
 175                 $s = $list->beginRecentChangesList();
 176                 $counter = 1;
 177                 foreach( $rows as $obj ){
 178                         if( $limit == 0) {
 179                                 break;
 180                         }
 181
 182                         if ( ! ( $hideminor     && $obj->rc_minor     ) &&
 183                              ! ( $hidepatrolled && $obj->rc_patrolled ) ) {
 184                                 $rc = RecentChange::newFromRow( $obj );
 185                                 $rc->counter = $counter++;
 186                                 $s .= $list->recentChangesLine( $rc, !empty( $obj->wl_user ) );
 187                                 --$limit;
 188                         }
 189                 }
 190                 $s .= $list->endRecentChangesList();
 191                 $wgOut->addHTML( $s );
 192         }
 193 }
 194
 195 /**
 196  *
 197  */
 198 function rcCountLink( $lim, $d, $page='Recentchanges', $more='' ) {
 199         global $wgUser, $wgLang, $wgContLang;
 200         $sk = $wgUser->getSkin();
 201         $s = $sk->makeKnownLink( $wgContLang->specialPage( $page ),
 202           ($lim ? $wgLang->formatNum( "{$lim}" ) : wfMsg( 'all' ) ), "{$more}" .
 203           ($d ? "days={$d}&" : '') . 'limit='.$lim );
 204         return $s;
 205 }
 206
 207 /**
 208  *
 209  */
 210 function rcDaysLink( $lim, $d, $page='Recentchanges', $more='' ) {
 211         global $wgUser, $wgLang, $wgContLang;
 212         $sk = $wgUser->getSkin();
 213         $s = $sk->makeKnownLink( $wgContLang->specialPage( $page ),
 214           ($d ? $wgLang->formatNum( "{$d}" ) : wfMsg( "all" ) ), $more.'days='.$d .
 215           ($lim ? '&limit='.$lim : '') );
 216         return $s;
 217 }
 218
 219 /**
 220  *
 221  */
 222 function rcDayLimitLinks( $days, $limit, $page='Recentchanges', $more='', $doall = false, $minorLink = '',
 223         $botLink = '', $liuLink = '', $patrLink = '' ) {
 224         if ($more != '') $more .= '&';
 225         $cl = rcCountLink( 50, $days, $page, $more ) . ' | ' .
 226           rcCountLink( 100, $days, $page, $more  ) . ' | ' .
 227           rcCountLink( 250, $days, $page, $more  ) . ' | ' .
 228           rcCountLink( 500, $days, $page, $more  ) .
 229           ( $doall ? ( ' | ' . rcCountLink( 0, $days, $page, $more ) ) : '' );
 230         $dl = rcDaysLink( $limit, 1, $page, $more  ) . ' | ' .
 231           rcDaysLink( $limit, 3, $page, $more  ) . ' | ' .
 232           rcDaysLink( $limit, 7, $page, $more  ) . ' | ' .
 233           rcDaysLink( $limit, 14, $page, $more  ) . ' | ' .
 234           rcDaysLink( $limit, 30, $page, $more  ) .
 235           ( $doall ? ( ' | ' . rcDaysLink( $limit, 0, $page, $more ) ) : '' );
 236         $shm = wfMsg( 'showhideminor', $minorLink, $botLink, $liuLink, $patrLink );
 237         $note = wfMsg( 'rclinks', $cl, $dl, $shm );
 238         return $note;
 239 }
 240
 241 /**
 242  * Obsolete? Isn't called from anywhere and $mlink isn't defined
 243  */
 244 function rcLimitLinks( $page='Recentchanges', $more='', $doall = false ) {
 245         if ($more != '') $more .= '&';
 246         $cl = rcCountLink( 50, 0, $page, $more ) . ' | ' .
 247           rcCountLink( 100, 0, $page, $more  ) . ' | ' .
 248           rcCountLink( 250, 0, $page, $more  ) . ' | ' .
 249           rcCountLink( 500, 0, $page, $more  ) .
 250           ( $doall ? ( ' | ' . rcCountLink( 0, $days, $page, $more ) ) : '' );
 251         $note = wfMsg( 'rclinks', $cl, '', $mlink );
 252         return $note;
 253 }
 254
 255 function rcFormatDiff( $row ) {
 256         $fname = 'rcFormatDiff';
 257         wfProfileIn( $fname );
 258
 259         require_once( 'DifferenceEngine.php' );
 260         $comment = "<p>" . htmlspecialchars( $row->rc_comment ) . "</p>\n";
 261
 262         if( $row->rc_namespace >= 0 ) {
 263                 global $wgContLang;
 264
 265                 #$diff =& new DifferenceEngine( $row->rc_this_oldid, $row->rc_last_oldid, $row->rc_id );
 266                 #$diff->showDiffPage();
 267
 268                 $dbr =& wfGetDB( DB_SLAVE );
 269                 if( $row->rc_this_oldid ) {
 270                         $newrow = $dbr->selectRow( 'old',
 271                                 array( 'old_flags', 'old_text' ),
 272                                 array( 'old_id' => $row->rc_this_oldid ) );
 273                         $newtext = Article::getRevisionText( $newrow );
 274                 } else {
 275                         $newrow = $dbr->selectRow( 'cur',
 276                                 array( 'cur_text' ),
 277                                 array( 'cur_id' => $row->rc_cur_id ) );
 278                         $newtext = $newrow->cur_text;
 279                 }
 280                 if( $row->rc_last_oldid ) {
 281                         wfProfileIn( "$fname-dodiff" );
 282                         $oldrow = $dbr->selectRow( 'old',
 283                                 array( 'old_flags', 'old_text' ),
 284                                 array( 'old_id' => $row->rc_last_oldid ) );
 285                         $oldtext = Article::getRevisionText( $oldrow );
 286                         $diffText = DifferenceEngine::getDiff( $oldtext, $newtext,
 287                           wfMsg( 'revisionasof', $wgContLang->timeanddate( $row->rc_timestamp ) ),
 288                           wfMsg( 'currentrev' ) );
 289                         wfProfileOut( "$fname-dodiff" );
 290                 } else {
 291                         $diffText = '<p><b>' . wfMsg( 'newpage' ) . '</b></p>' .
 292                                 '<div>' . nl2br( htmlspecialchars( $newtext ) ) . '</div>';
 293                 }
 294
 295                 wfProfileOut( $fname );
 296                 return $comment . $diffText;
 297         }
 298
 299         wfProfileOut( $fname );
 300         return $comment;
 301 }
 302
 303 ?>