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() {
  18         global $wgUser, $wgOut, $wgLang, $wgTitle, $wgMemc, $wgRequest, $wgContLang;;
  19         global $wgUseWatchlistCache, $wgWLCacheTimeout, $wgDBname;
  20         global $wgEnotif, $wgShowUpdatedMarker, $wgRCShowWatchingUsers;
  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' ) == 'all' ) {
  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( $one );
  53                         if($t->getDBkey() != '') {
  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')) {
 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         if( $wgUser->getOption( 'enotifwatchlistpages' ) ) {
 183                 $wgOut->addHTML( "<div class='enotifinfo'>\n" );
 184
 185                 $wgOut->addWikiText( wfMsg( 'enotif_infotext' ) );
 186
 187                 $wgOut->addHTML( '<form action="' .
 188                         $specialTitle->escapeLocalUrl( 'action=submit&edit=yes' ) .
 189                         '" method="post"><input type="submit" name="dummy" value="' .
 190                         htmlspecialchars( wfMsg( 'enotif_reset' ) ) .
 191                         '" /><input type="hidden" name="reset" value="all" /></form>' .
 192                         "</div>\n\n" );
 193         }
 194
 195
 196         $wgOut->addHTML( '<i>' . wfMsg( 'watchdetails',
 197                 $wgLang->formatNum( $nitems ), $wgLang->formatNum( $npages ), $y,
 198                 $specialTitle->escapeLocalUrl( 'edit=yes' ) ) . "</i><br />\n" );
 199
 200         $use_index = $dbr->useIndexClause( $x );
 201         $sql = "SELECT
 202   page_namespace,page_title,rev_comment, page_id,
 203   rev_user,rev_user_text,rev_timestamp,rev_minor_edit,page_is_new,wl_notificationtimestamp
 204   FROM $watchlist,$page,$revision  $use_index
 205   WHERE wl_user=$uid
 206   $andHideOwn
 207   AND $z
 208   AND wl_title=page_title
 209   AND page_latest=rev_id
 210   $docutoff
 211   ORDER BY rev_timestamp DESC";
 212
 213
 214         $res = $dbr->query( $sql, $fname );
 215         $numRows = $dbr->numRows( $res );
 216         if($days >= 1)
 217                 $note = wfMsg( 'rcnote', $wgLang->formatNum( $numRows ), $wgLang->formatNum( $days ) );
 218         elseif($days > 0)
 219                 $note = wfMsg( 'wlnote', $wgLang->formatNum( $numRows ), $wgLang->formatNum( round($days*24) ) );
 220         else
 221                 $note = '';
 222         $wgOut->addHTML( "\n<hr />\n{$note}\n<br />" );
 223         $note = wlCutoffLinks( $days );
 224         $wgOut->addHTML( "{$note}\n" );
 225
 226         $sk = $wgUser->getSkin();
 227         $s = $sk->makeKnownLink(
 228                 $wgContLang->specialPage( 'Watchlist' ),
 229                 (0 == $hideOwn) ? wfMsg( 'wlhide' ) : wfMsg( 'wlshow' ),
 230                 'hideOwn=' . $wgLang->formatNum( 1-$hideOwn ) );
 231
 232         $note = wfMsg( "wlhideshowown", $s );
 233         $wgOut->addHTML( "\n<br />{$note}\n<br />" );
 234
 235         if ( $numRows == 0 ) {
 236                 $wgOut->addHTML( '<p><i>' . wfMsg( 'watchnochange' ) . '</i></p>' );
 237                 return;
 238         }
 239
 240         $sk = $wgUser->getSkin();
 241         $list =& new ChangesList( $sk );
 242         $s = $list->beginRecentChangesList();
 243         $counter = 1;
 244         while ( $obj = $dbr->fetchObject( $res ) ) {
 245                 # Make fake RC entry
 246                 $rc = RecentChange::newFromCurRow( $obj );
 247                 $rc->counter = $counter++;
 248
 249                 if ($wgShowUpdatedMarker && $wgUser->getOption( 'showupdated' )) {
 250                         $updated = $obj->wl_notificationtimestamp;
 251                 } else {
 252                         $updated = false;
 253                 }
 254
 255                 if ($wgRCShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
 256                         $sql3 = "SELECT COUNT(*) AS n FROM $watchlist WHERE wl_title='" .wfStrencode($obj->cur_title). "' AND wl_namespace='{$obj->cur_namespace}'" ;
 257                         $res3 = $dbr->query( $sql3, DB_READ, $fname );
 258                         $x = $dbr->fetchObject( $res3 );
 259                         $rc->numberofWatchingusers = $x->n;
 260                 } else {
 261                         $rc->numberofWatchingusers = 0;
 262                 }
 263
 264                 $s .= $list->recentChangesLine( $rc, $updated );
 265         }
 266         $s .= $list->endRecentChangesList();
 267
 268         $dbr->freeResult( $res );
 269         $wgOut->addHTML( $s );
 270
 271         if ( $wgUseWatchlistCache ) {
 272                 $wgMemc->set( $memckey, $s, $wgWLCacheTimeout);
 273         }
 274
 275 }
 276
 277
 278 function wlHoursLink( $h, $page ) {
 279         global $wgUser, $wgLang, $wgContLang;
 280         $sk = $wgUser->getSkin();
 281         $s = $sk->makeKnownLink(
 282           $wgContLang->specialPage( $page ),
 283           $wgLang->formatNum( $h ),
 284           'days=' . ($h / 24.0) );
 285         return $s;
 286 }
 287
 288
 289 function wlDaysLink( $d, $page ) {
 290         global $wgUser, $wgLang, $wgContLang;
 291         $sk = $wgUser->getSkin();
 292         $s = $sk->makeKnownLink(
 293           $wgContLang->specialPage( $page ),
 294           ($d ? $wgLang->formatNum( $d ) : wfMsg( 'watchlistall2' ) ), "days=$d" );
 295         return $s;
 296 }
 297
 298 function wlCutoffLinks( $days, $page = 'Watchlist' )
 299 {
 300         $hours = array( 1, 2, 6, 12 );
 301         $days = array( 1, 3, 7 );
 302         $cl = '';
 303         $i = 0;
 304         foreach( $hours as $h ) {
 305                 $hours[$i++] = wlHoursLink( $h, $page );
 306         }
 307         $i = 0;
 308         foreach( $days as $d ) {
 309                 $days[$i++] = wlDaysLink( $d, $page );
 310         }
 311         return wfMsg ('wlshowlast',
 312                 implode(' | ', $hours),
 313                 implode(' | ', $days),
 314                 wlDaysLink( 0, $page ) );
 315 }
 316
 317 ?>