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
 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
 137                 $list = array();
 138                 while( $s = $dbr->fetchObject( $res ) ) {
 139                         $list[$s->wl_namespace][] = $s->wl_title;
 140                 }
 141
 142                 // TODO: Display a t TOC
 143                 foreach($list as $ns => $titles) {
 144                         if ($ns != NS_MAIN)
 145                                 $wgOut->addHTML( '<h2>' . $wgContLang->getFormattedNsText( $ns ) . '</h2>' );
 146                         $wgOut->addHTML( '<ul>' );
 147                         foreach($titles as $title) {
 148                                 $t = Title::makeTitle( $ns, $title );
 149                                 if( is_null( $t ) ) {
 150                                         $wgOut->addHTML(
 151                                                 '<!-- bad title "' .
 152                                                 htmlspecialchars( $s->wl_title ) . '" in namespace ' . $s->wl_namespace . " -->\n"
 153                                         );
 154                                 } else {
 155                                         $t = $t->getPrefixedText();
 156                                         $wgOut->addHTML(
 157                                                 '<li><input type="checkbox" name="id[]" value="' . htmlspecialchars($t) . '" />' .
 158                                                 $sk->makeLink( $t, $t ) .
 159                                                 "</li>\n"
 160                                         );
 161                                 }
 162                         }
 163                         $wgOut->addHTML( '</ul>' );
 164                 }
 165                 $wgOut->addHTML(
 166                         "<input type='submit' name='remove' value=\"" .
 167                         htmlspecialchars( wfMsg( "removechecked" ) ) . "\" />\n" .
 168                         "</form>\n"
 169                 );
 170
 171                 return;
 172         }
 173
 174         # If the watchlist is relatively short, it's simplest to zip
 175         # down its entirety and then sort the results.
 176
 177         # If it's relatively long, it may be worth our while to zip
 178         # through the time-sorted page list checking for watched items.
 179
 180         # Up estimate of watched items by 15% to compensate for talk pages...
 181         if( $cutoff && ( $nitems*1.15 > $npages ) ) {
 182                 $x = 'rev_timestamp';
 183                 $y = wfMsg( 'watchmethod-recent' );
 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 & ~1";
 187                 $z = 'wl_namespace=page_namespace';
 188         } else {
 189                 $x = 'page_timestamp';
 190                 $y = wfMsg( 'watchmethod-list' );
 191                 # TG patch: here we do not consider pages and their talk pages equivalent - why should we ?
 192                 # The change results in talk-pages not automatically included in watchlists, when their parent page is included
 193                 # $z = "(wl_namespace=cur_namespace OR wl_namespace+1=cur_namespace)";
 194                 $z = 'wl_namespace=page_namespace';
 195         }
 196
 197         $andHideOwn = $hideOwn ? "AND (rev_user <> $uid)" : '';
 198
 199         # Show watchlist header
 200         $header = '';
 201         if( $wgUser->getOption( 'enotifwatchlistpages' ) && $wgEnotifWatchlist) {
 202                 $header .= wfMsg( 'wlheader-enotif' ) . "\n";
 203         }
 204         if ( $wgShowUpdatedMarker ) {
 205                 $header .= wfMsg( 'wlheader-showupdated' ) . "\n";
 206         }
 207
 208         $header .= wfMsg( 'watchdetails', $wgLang->formatNum( $nitems ),
 209                 $wgLang->formatNum( $npages ), $y,
 210                 $specialTitle->getFullUrl( 'edit=yes' ) );
 211         $wgOut->addWikiText( $header );
 212
 213         if ( $wgShowUpdatedMarker ) {
 214                 $wgOut->addHTML( '<form action="' .
 215                         $specialTitle->escapeLocalUrl() .
 216                         '" method="post"><input type="submit" name="dummy" value="' .
 217                         htmlspecialchars( wfMsg( 'enotif_reset' ) ) .
 218                         '" /><input type="hidden" name="reset" value="all" /></form>' .
 219                         "\n\n" );
 220         }
 221
 222         $use_index = $dbr->useIndexClause( $x );
 223         $sql = "SELECT
 224   page_namespace,page_title,rev_comment, page_id,
 225   rev_user,rev_user_text,rev_timestamp,rev_minor_edit,page_is_new,wl_notificationtimestamp
 226   FROM $watchlist,$page,$revision  $use_index
 227   WHERE wl_user=$uid
 228   $andHideOwn
 229   AND $z
 230   AND wl_title=page_title
 231   AND page_latest=rev_id
 232   $docutoff
 233   ORDER BY rev_timestamp DESC";
 234
 235
 236         $res = $dbr->query( $sql, $fname );
 237         $numRows = $dbr->numRows( $res );
 238         if($days >= 1)
 239                 $note = wfMsg( 'rcnote', $wgLang->formatNum( $numRows ), $wgLang->formatNum( $days ) );
 240         elseif($days > 0)
 241                 $note = wfMsg( 'wlnote', $wgLang->formatNum( $numRows ), $wgLang->formatNum( round($days*24) ) );
 242         else
 243                 $note = '';
 244         $wgOut->addHTML( "\n<hr />\n{$note}\n<br />" );
 245         $note = wlCutoffLinks( $days );
 246         $wgOut->addHTML( "{$note}\n" );
 247
 248         $sk = $wgUser->getSkin();
 249         $s = $sk->makeKnownLink(
 250                 $wgContLang->specialPage( 'Watchlist' ),
 251                 (0 == $hideOwn) ? wfMsg( 'wlhide' ) : wfMsg( 'wlshow' ),
 252                 'hideOwn=' . $wgLang->formatNum( 1-$hideOwn ) );
 253
 254         $note = wfMsg( "wlhideshowown", $s );
 255         $wgOut->addHTML( "\n<br />{$note}\n<br />" );
 256
 257         if ( $numRows == 0 ) {
 258                 $wgOut->addHTML( '<p><i>' . wfMsg( 'watchnochange' ) . '</i></p>' );
 259                 return;
 260         }
 261
 262         $sk = $wgUser->getSkin();
 263         $list =& new ChangesList( $sk );
 264         $s = $list->beginRecentChangesList();
 265         $counter = 1;
 266         while ( $obj = $dbr->fetchObject( $res ) ) {
 267                 # Make fake RC entry
 268                 $rc = RecentChange::newFromCurRow( $obj );
 269                 $rc->counter = $counter++;
 270
 271                 if ( $wgShowUpdatedMarker ) {
 272                         $updated = $obj->wl_notificationtimestamp;
 273                 } else {
 274                         // Same visual appearance as MW 1.4
 275                         $updated = true;
 276                 }
 277
 278                 if ($wgRCShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
 279                         $sql3 = "SELECT COUNT(*) AS n FROM $watchlist WHERE wl_title='" .wfStrencode($obj->page_title). "' AND wl_namespace='{$obj->page_namespace}'" ;
 280                         $res3 = $dbr->query( $sql3, DB_READ, $fname );
 281                         $x = $dbr->fetchObject( $res3 );
 282                         $rc->numberofWatchingusers = $x->n;
 283                 } else {
 284                         $rc->numberofWatchingusers = 0;
 285                 }
 286
 287                 $s .= $list->recentChangesLine( $rc, $updated );
 288         }
 289         $s .= $list->endRecentChangesList();
 290
 291         $dbr->freeResult( $res );
 292         $wgOut->addHTML( $s );
 293
 294         if ( $wgUseWatchlistCache ) {
 295                 $wgMemc->set( $memckey, $s, $wgWLCacheTimeout);
 296         }
 297
 298 }
 299
 300
 301 function wlHoursLink( $h, $page ) {
 302         global $wgUser, $wgLang, $wgContLang;
 303         $sk = $wgUser->getSkin();
 304         $s = $sk->makeKnownLink(
 305           $wgContLang->specialPage( $page ),
 306           $wgLang->formatNum( $h ),
 307           'days=' . ($h / 24.0) );
 308         return $s;
 309 }
 310
 311
 312 function wlDaysLink( $d, $page ) {
 313         global $wgUser, $wgLang, $wgContLang;
 314         $sk = $wgUser->getSkin();
 315         $s = $sk->makeKnownLink(
 316           $wgContLang->specialPage( $page ),
 317           ($d ? $wgLang->formatNum( $d ) : wfMsg( 'watchlistall2' ) ), "days=$d" );
 318         return $s;
 319 }
 320
 321 function wlCutoffLinks( $days, $page = 'Watchlist' )
 322 {
 323         $hours = array( 1, 2, 6, 12 );
 324         $days = array( 1, 3, 7 );
 325         $cl = '';
 326         $i = 0;
 327         foreach( $hours as $h ) {
 328                 $hours[$i++] = wlHoursLink( $h, $page );
 329         }
 330         $i = 0;
 331         foreach( $days as $d ) {
 332                 $days[$i++] = wlDaysLink( $d, $page );
 333         }
 334         return wfMsg ('wlshowlast',
 335                 implode(' | ', $hours),
 336                 implode(' | ', $days),
 337                 wlDaysLink( 0, $page ) );
 338 }
 339
 340 ?>