includes/SpecialWatchlist.php

   1 <?php
   2 /**
   3  *
   4  * @package MediaWiki
   5  * @subpackage SpecialPage
   6  */
   7
   8 /**
   9  *
  10  */
  11 require_once( 'SpecialRecentchanges.php' );
  12 require_once( 'WatchedItem.php' );
  13
  14 /**
  15  * constructor
  16  */
  17 function wfSpecialWatchlist( $par ) {
  18         global $wgUser, $wgOut, $wgLang, $wgTitle, $wgMemc, $wgRequest, $wgContLang;;
  19         global $wgUseWatchlistCache, $wgWLCacheTimeout, $wgDBname;
  20         global $wgRCShowWatchingUsers, $wgEnotifWatchlist, $wgShowUpdatedMarker;
  21         $fname = 'wfSpecialWatchlist';
  22
  23         $wgOut->setPagetitle( wfMsg( 'watchlist' ) );
  24         $sub = wfMsg( 'watchlistsub', $wgUser->getName() );
  25         $wgOut->setSubtitle( $sub );
  26         $wgOut->setRobotpolicy( 'noindex,nofollow' );
  27
  28         $specialTitle = Title::makeTitle( NS_SPECIAL, 'Watchlist' );
  29
  30         if( $wgUser->isAnon() ) {
  31                 $wgOut->addWikiText( wfMsg( 'nowatchlist' ) );
  32                 return;
  33         }
  34
  35         # Get query variables
  36         $days = $wgRequest->getVal( 'days' );
  37         $action = $wgRequest->getVal( 'action' );
  38         $remove = $wgRequest->getVal( 'remove' );
  39         $hideOwn = $wgRequest->getBool( 'hideOwn' );
  40         $id = $wgRequest->getArray( 'id' );
  41
  42         $uid = $wgUser->getID();
  43         if( $wgRequest->getVal( 'reset' ) && $wgRequest->wasPosted() ) {
  44                 $wgUser->clearAllNotifications( $uid );
  45         }
  46
  47
  48         if(($action == 'submit') && isset($remove) && is_array($id)) {
  49                 $wgOut->addWikiText( wfMsg( 'removingchecked' ) );
  50                 $wgOut->addHTML( '<p>' );
  51                 foreach($id as $one) {
  52                         $t = Title::newFromURL( $one );
  53                         if( !is_null( $t ) ) {
  54                                 $wl = WatchedItem::fromUserTitle( $wgUser, $t );
  55                                 if( $wl->removeWatch() === false ) {
  56                                         $wgOut->addHTML( "<br />\n" . wfMsg( 'couldntremove', htmlspecialchars($one) ) );
  57                                 } else {
  58                                         $wgOut->addHTML( ' (' . htmlspecialchars($one) . ')' );
  59                                 }
  60                         } else {
  61                                 $wgOut->addHTML( "<br />\n" . wfMsg( 'iteminvalidname', htmlspecialchars($one) ) );
  62                         }
  63                 }
  64                 $wgOut->addHTML( "done.</p>\n" );
  65         }
  66
  67         if ( $wgUseWatchlistCache ) {
  68                 $memckey = "$wgDBname:watchlist:id:" . $wgUser->getId();
  69                 $cache_s = @$wgMemc->get( $memckey );
  70                 if( $cache_s ){
  71                         $wgOut->addWikiText( wfMsg('wlsaved') );
  72                         $wgOut->addHTML( $cache_s );
  73                         return;
  74                 }
  75         }
  76
  77         $dbr =& wfGetDB( DB_SLAVE );
  78         extract( $dbr->tableNames( 'page', 'revision', 'watchlist', 'recentchanges' ) );
  79
  80         $sql = "SELECT COUNT(*) AS n FROM $watchlist WHERE wl_user=$uid";
  81         $res = $dbr->query( $sql, $fname );
  82         $s = $dbr->fetchObject( $res );
  83
  84 #       Patch *** A1 *** (see A2 below)
  85 #       adjust for page X, talk:page X, which are both stored separately, but treated together
  86 #       $nitems = $s->n / 2;
  87         $nitems = $s->n;
  88
  89         if($nitems == 0) {
  90                 $wgOut->addWikiText( wfMsg( 'nowatchlist' ) );
  91                 return;
  92         }
  93
  94         if ( is_null( $days ) ) {
  95                 $big = 1000;
  96                 if($nitems > $big) {
  97                         # Set default cutoff shorter
  98                         $days = (12.0 / 24.0); # 12 hours...
  99                 } else {
 100                         $days = 3; # longer cutoff for shortlisters
 101                 }
 102         } else {
 103                 $days = floatval($days);
 104         }
 105
 106         if ( $days <= 0 ) {
 107                 $docutoff = '';
 108                 $cutoff = false;
 109                 $npages = wfMsg( 'watchlistall1' );
 110         } else {
 111                 $docutoff = "AND rev_timestamp > '" .
 112                   ( $cutoff = $dbr->timestamp( time() - intval( $days * 86400 ) ) )
 113                   . "'";
 114                 $sql = "SELECT COUNT(*) AS n FROM $page, $revision  WHERE rev_timestamp>'$cutoff' AND page_id=rev_page";
 115                 $res = $dbr->query( $sql, $fname );
 116                 $s = $dbr->fetchObject( $res );
 117                 $npages = $s->n;
 118
 119         }
 120
 121         if($wgRequest->getBool('edit') || $par == 'edit' ) {
 122                 $wgOut->addWikiText( wfMsg( 'watchlistcontains', $wgLang->formatNum( $nitems ) ) .
 123                         "\n\n" . wfMsg( 'watcheditlist' ) );
 124
 125                 $wgOut->addHTML( '<form action=\'' .
 126                         $specialTitle->escapeLocalUrl( 'action=submit' ) .
 127                         "' method='post'>\n" .
 128                         "<ul>\n" );
 129
 130 #               Patch A2
 131 #               The following was proposed by KTurner 07.11.2004 to T.Gries
 132 #               $sql = "SELECT distinct (wl_namespace & ~1),wl_title FROM $watchlist WHERE wl_user=$uid";
 133                 $sql = "SELECT wl_namespace,wl_title FROM $watchlist WHERE wl_user=$uid";
 134
 135                 $res = $dbr->query( $sql, $fname );
 136                 $sk = $wgUser->getSkin();
 137                 while( $s = $dbr->fetchObject( $res ) ) {
 138                         $t = Title::makeTitle( $s->wl_namespace, $s->wl_title );
 139                         if( is_null( $t ) ) {
 140                                 $wgOut->addHTML( '<!-- bad title "' . htmlspecialchars( $s->wl_title ) . '" in namespace ' . IntVal( $s->wl_namespace ) . " -->\n" );
 141                         } else {
 142                                 $t = $t->getPrefixedText();
 143                                 $wgOut->addHTML( '<li><input type="checkbox" name="id[]" value="' . htmlspecialchars($t) . '" />' .
 144                                         $sk->makeLink( $t, $t ) .
 145                                         "</li>\n" );
 146                         }
 147                 }
 148                 $wgOut->addHTML( "</ul>\n" .
 149                         "<input type='submit' name='remove' value=\"" .
 150                         htmlspecialchars( wfMsg( "removechecked" ) ) . "\" />\n" .
 151                         "</form>\n" );
 152
 153                 return;
 154         }
 155
 156         # If the watchlist is relatively short, it's simplest to zip
 157         # down its entirety and then sort the results.
 158
 159         # If it's relatively long, it may be worth our while to zip
 160         # through the time-sorted page list checking for watched items.
 161
 162         # Up estimate of watched items by 15% to compensate for talk pages...
 163         if( $cutoff && ( $nitems*1.15 > $npages ) ) {
 164                 $x = 'rev_timestamp';
 165                 $y = wfMsg( 'watchmethod-recent' );
 166                 # TG patch: here we do not consider pages and their talk pages equivalent - why should we ?
 167                 # The change results in talk-pages not automatically included in watchlists, when their parent page is included
 168                 # $z = "wl_namespace=cur_namespace & ~1";
 169                 $z = 'wl_namespace=page_namespace';
 170         } else {
 171                 $x = 'page_timestamp';
 172                 $y = wfMsg( 'watchmethod-list' );
 173                 # TG patch: here we do not consider pages and their talk pages equivalent - why should we ?
 174                 # The change results in talk-pages not automatically included in watchlists, when their parent page is included
 175                 # $z = "(wl_namespace=cur_namespace OR wl_namespace+1=cur_namespace)";
 176                 $z = 'wl_namespace=page_namespace';
 177         }
 178
 179         $andHideOwn = $hideOwn ? "AND (rev_user <> $uid)" : '';
 180
 181         # Show watchlist header
 182         $header = '';
 183         if( $wgUser->getOption( 'enotifwatchlistpages' ) && $wgEnotifWatchlist) {
 184                 $header .= wfMsg( 'wlheader-enotif' ) . "\n";
 185         }
 186         if ( $wgShowUpdatedMarker ) {
 187                 $header .= wfMsg( 'wlheader-showupdated' ) . "\n";
 188         }
 189
 190         $header .= wfMsg( 'watchdetails', $wgLang->formatNum( $nitems ),
 191                 $wgLang->formatNum( $npages ), $y,
 192                 $specialTitle->getFullUrl( 'edit=yes' ) );
 193         $wgOut->addWikiText( $header );
 194
 195         if ( $wgShowUpdatedMarker ) {
 196                 $wgOut->addHTML( '<form action="' .
 197                         $specialTitle->escapeLocalUrl() .
 198                         '" method="post"><input type="submit" name="dummy" value="' .
 199                         htmlspecialchars( wfMsg( 'enotif_reset' ) ) .
 200                         '" /><input type="hidden" name="reset" value="all" /></form>' .
 201                         "\n\n" );
 202         }
 203
 204         $use_index = $dbr->useIndexClause( $x );
 205         $sql = "SELECT
 206   page_namespace,page_title,rev_comment, page_id,
 207   rev_user,rev_user_text,rev_timestamp,rev_minor_edit,page_is_new,wl_notificationtimestamp
 208   FROM $watchlist,$page,$revision  $use_index
 209   WHERE wl_user=$uid
 210   $andHideOwn
 211   AND $z
 212   AND wl_title=page_title
 213   AND page_latest=rev_id
 214   $docutoff
 215   ORDER BY rev_timestamp DESC";
 216
 217
 218         $res = $dbr->query( $sql, $fname );
 219         $numRows = $dbr->numRows( $res );
 220         if($days >= 1)
 221                 $note = wfMsg( 'rcnote', $wgLang->formatNum( $numRows ), $wgLang->formatNum( $days ) );
 222         elseif($days > 0)
 223                 $note = wfMsg( 'wlnote', $wgLang->formatNum( $numRows ), $wgLang->formatNum( round($days*24) ) );
 224         else
 225                 $note = '';
 226         $wgOut->addHTML( "\n<hr />\n{$note}\n<br />" );
 227         $note = wlCutoffLinks( $days );
 228         $wgOut->addHTML( "{$note}\n" );
 229
 230         $sk = $wgUser->getSkin();
 231         $s = $sk->makeKnownLink(
 232                 $wgContLang->specialPage( 'Watchlist' ),
 233                 (0 == $hideOwn) ? wfMsg( 'wlhide' ) : wfMsg( 'wlshow' ),
 234                 'hideOwn=' . $wgLang->formatNum( 1-$hideOwn ) );
 235
 236         $note = wfMsg( "wlhideshowown", $s );
 237         $wgOut->addHTML( "\n<br />{$note}\n<br />" );
 238
 239         if ( $numRows == 0 ) {
 240                 $wgOut->addHTML( '<p><i>' . wfMsg( 'watchnochange' ) . '</i></p>' );
 241                 return;
 242         }
 243
 244         $sk = $wgUser->getSkin();
 245         $list =& new ChangesList( $sk );
 246         $s = $list->beginRecentChangesList();
 247         $counter = 1;
 248         while ( $obj = $dbr->fetchObject( $res ) ) {
 249                 # Make fake RC entry
 250                 $rc = RecentChange::newFromCurRow( $obj );
 251                 $rc->counter = $counter++;
 252
 253                 if ( $wgShowUpdatedMarker ) {
 254                         $updated = $obj->wl_notificationtimestamp;
 255                 } else {
 256                         // Same visual appearance as MW 1.4
 257                         $updated = true;
 258                 }
 259
 260                 if ($wgRCShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
 261                         $sql3 = "SELECT COUNT(*) AS n FROM $watchlist WHERE wl_title='" .wfStrencode($obj->cur_title). "' AND wl_namespace='{$obj->cur_namespace}'" ;
 262                         $res3 = $dbr->query( $sql3, DB_READ, $fname );
 263                         $x = $dbr->fetchObject( $res3 );
 264                         $rc->numberofWatchingusers = $x->n;
 265                 } else {
 266                         $rc->numberofWatchingusers = 0;
 267                 }
 268
 269                 $s .= $list->recentChangesLine( $rc, $updated );
 270         }
 271         $s .= $list->endRecentChangesList();
 272
 273         $dbr->freeResult( $res );
 274         $wgOut->addHTML( $s );
 275
 276         if ( $wgUseWatchlistCache ) {
 277                 $wgMemc->set( $memckey, $s, $wgWLCacheTimeout);
 278         }
 279
 280 }
 281
 282
 283 function wlHoursLink( $h, $page ) {
 284         global $wgUser, $wgLang, $wgContLang;
 285         $sk = $wgUser->getSkin();
 286         $s = $sk->makeKnownLink(
 287           $wgContLang->specialPage( $page ),
 288           $wgLang->formatNum( $h ),
 289           'days=' . ($h / 24.0) );
 290         return $s;
 291 }
 292
 293
 294 function wlDaysLink( $d, $page ) {
 295         global $wgUser, $wgLang, $wgContLang;
 296         $sk = $wgUser->getSkin();
 297         $s = $sk->makeKnownLink(
 298           $wgContLang->specialPage( $page ),
 299           ($d ? $wgLang->formatNum( $d ) : wfMsg( 'watchlistall2' ) ), "days=$d" );
 300         return $s;
 301 }
 302
 303 function wlCutoffLinks( $days, $page = 'Watchlist' )
 304 {
 305         $hours = array( 1, 2, 6, 12 );
 306         $days = array( 1, 3, 7 );
 307         $cl = '';
 308         $i = 0;
 309         foreach( $hours as $h ) {
 310                 $hours[$i++] = wlHoursLink( $h, $page );
 311         }
 312         $i = 0;
 313         foreach( $days as $d ) {
 314                 $days[$i++] = wlDaysLink( $d, $page );
 315         }
 316         return wfMsg ('wlshowlast',
 317                 implode(' | ', $hours),
 318                 implode(' | ', $days),
 319                 wlDaysLink( 0, $page ) );
 320 }
 321
 322 ?>