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