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