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         global $wgEnotifWatchlist;
  22         $fname = 'wfSpecialWatchlist';
  23
  24         $wgOut->setPagetitle( wfMsg( 'watchlist' ) );
  25         $sub = wfMsg( 'watchlistsub', $wgUser->getName() );
  26         $wgOut->setSubtitle( $sub );
  27         $wgOut->setRobotpolicy( 'noindex,nofollow' );
  28
  29         $specialTitle = Title::makeTitle( NS_SPECIAL, 'Watchlist' );
  30
  31         if( $wgUser->isAnon() ) {
  32                 $wgOut->addWikiText( wfMsg( 'nowatchlist' ) );
  33                 return;
  34         }
  35
  36         $defaults = array(
  37         /* float */ 'days' => 3.0, /* or 0.5, watch further below */
  38         /* bool  */ 'hideOwn' => false,
  39         );
  40
  41         extract($defaults);
  42
  43         # Get query variables
  44         $days = $wgRequest->getVal( 'days' );
  45         $hideOwn = $wgRequest->getBool( 'hideOwn' );
  46
  47         # Watchlist editing
  48         $action = $wgRequest->getVal( 'action' );
  49         $remove = $wgRequest->getVal( 'remove' );
  50         $id = $wgRequest->getArray( 'id' );
  51
  52         $uid = $wgUser->getID();
  53         if( $wgEnotifWatchlist && $wgRequest->getVal( 'reset' ) && $wgRequest->wasPosted() ) {
  54                 $wgUser->clearAllNotifications( $uid );
  55         }
  56
  57   # Deleting items from watchlist
  58         if(($action == 'submit') && isset($remove) && is_array($id)) {
  59                 $wgOut->addWikiText( wfMsg( 'removingchecked' ) );
  60                 $wgOut->addHTML( '<p>' );
  61                 foreach($id as $one) {
  62                         $t = Title::newFromURL( $one );
  63                         if( !is_null( $t ) ) {
  64                                 $wl = WatchedItem::fromUserTitle( $wgUser, $t );
  65                                 if( $wl->removeWatch() === false ) {
  66                                         $wgOut->addHTML( "<br />\n" . wfMsg( 'couldntremove', htmlspecialchars($one) ) );
  67                                 } else {
  68                                         $wgOut->addHTML( ' (' . htmlspecialchars($one) . ')' );
  69                                 }
  70                         } else {
  71                                 $wgOut->addHTML( "<br />\n" . wfMsg( 'iteminvalidname', htmlspecialchars($one) ) );
  72                         }
  73                 }
  74                 $wgOut->addHTML( "done.</p>\n" );
  75         }
  76
  77         if ( $wgUseWatchlistCache ) {
  78                 $memckey = "$wgDBname:watchlist:id:" . $wgUser->getId();
  79                 $cache_s = @$wgMemc->get( $memckey );
  80                 if( $cache_s ){
  81                         $wgOut->addWikiText( wfMsg('wlsaved') );
  82                         $wgOut->addHTML( $cache_s );
  83                         return;
  84                 }
  85         }
  86
  87         $dbr =& wfGetDB( DB_SLAVE );
  88         extract( $dbr->tableNames( 'page', 'revision', 'watchlist', 'recentchanges' ) );
  89
  90                 $sql = "SELECT COUNT(*) AS n FROM $watchlist WHERE wl_user=$uid";
  91                 $res = $dbr->query( $sql, $fname );
  92                 $s = $dbr->fetchObject( $res );
  93
  94         #       Patch *** A1 *** (see A2 below)
  95 #       adjust for page X, talk:page X, which are both stored separately, but treated together
  96         $nitems = floor($s->n / 2);
  97 #       $nitems = $s->n;
  98
  99         if($nitems == 0) {
 100                 $wgOut->addWikiText( wfMsg( 'nowatchlist' ) );
 101                 return;
 102         }
 103
 104         if( is_null($days) || !is_numeric($days) ) {
 105                 $big = 1000; /* The magical big */
 106                 if($nitems > $big) {
 107                         # Set default cutoff shorter
 108                         $days = $defaults['days'] = (12.0 / 24.0); # 12 hours...
 109                 } else {
 110                         $days = $defaults['days']; # default cutoff for shortlisters
 111                 }
 112         } else {
 113                 $days = floatval($days);
 114         }
 115
 116         // Dump everything here
 117         $nondefaults = array();
 118
 119         wfAppendToArrayIfNotDefault( 'days', $days, $defaults, $nondefaults);
 120         wfAppendToArrayIfNotDefault( 'hideOwn', $hideOwn, $defaults, $nondefaults);
 121
 122         if ( $days <= 0 ) {
 123                 $docutoff = '';
 124                 $cutoff = false;
 125                 $npages = wfMsg( 'watchlistall1' );
 126         } else {
 127                 $docutoff = "AND rev_timestamp > '" .
 128                   ( $cutoff = $dbr->timestamp( time() - intval( $days * 86400 ) ) )
 129                   . "'";
 130                   /*
 131                   $sql = "SELECT COUNT(*) AS n FROM $page, $revision  WHERE rev_timestamp>'$cutoff' AND page_id=rev_page";
 132                   $res = $dbr->query( $sql, $fname );
 133                   $s = $dbr->fetchObject( $res );
 134                   $npages = $s->n;
 135                   */
 136                   $npages = 40000 * $days;
 137
 138         }
 139
 140         /* Edit watchlist form */
 141         if($wgRequest->getBool('edit') || $par == 'edit' ) {
 142                 $wgOut->addWikiText( wfMsg( 'watchlistcontains', $wgLang->formatNum( $nitems ) ) .
 143                         "\n\n" . wfMsg( 'watcheditlist' ) );
 144
 145                 $wgOut->addHTML( '<form action=\'' .
 146                         $specialTitle->escapeLocalUrl( 'action=submit' ) .
 147                         "' method='post'>\n" );
 148
 149 #               Patch A2
 150 #               The following was proposed by KTurner 07.11.2004 to T.Gries
 151 #               $sql = "SELECT distinct (wl_namespace & ~1),wl_title FROM $watchlist WHERE wl_user=$uid";
 152                 $sql = "SELECT wl_namespace,wl_title FROM $watchlist WHERE wl_user=$uid";
 153
 154                 $res = $dbr->query( $sql, $fname );
 155                 $sk = $wgUser->getSkin();
 156
 157                 $list = array();
 158                 while( $s = $dbr->fetchObject( $res ) ) {
 159                         $list[$s->wl_namespace][] = $s->wl_title;
 160                 }
 161
 162                 // TODO: Display a TOC
 163                 foreach($list as $ns => $titles) {
 164                         if (Namespace::isTalk($ns))
 165                                 continue;
 166                         if ($ns != NS_MAIN)
 167                                 $wgOut->addHTML( '<h2>' . $wgContLang->getFormattedNsText( $ns ) . '</h2>' );
 168                         $wgOut->addHTML( '<ul>' );
 169                         foreach($titles as $title) {
 170                                 $t = Title::makeTitle( $ns, $title );
 171                                 if( is_null( $t ) ) {
 172                                         $wgOut->addHTML(
 173                                                 '<!-- bad title "' .
 174                                                 htmlspecialchars( $s->wl_title ) . '" in namespace ' . $s->wl_namespace . " -->\n"
 175                                         );
 176                                 } else {
 177                                         $t = $t->getPrefixedText();
 178                                         $wgOut->addHTML(
 179                                                 '<li><input type="checkbox" name="id[]" value="' . htmlspecialchars($t) . '" />' .
 180                                                 $sk->makeLink( $t, $t ) .
 181                                                 "</li>\n"
 182                                         );
 183                                 }
 184                         }
 185                         $wgOut->addHTML( '</ul>' );
 186                 }
 187                 $wgOut->addHTML(
 188                         "<input type='submit' name='remove' value=\"" .
 189                         htmlspecialchars( wfMsg( "removechecked" ) ) . "\" />\n" .
 190                         "</form>\n"
 191                 );
 192
 193                 return;
 194         }
 195
 196         # If the watchlist is relatively short, it's simplest to zip
 197         # down its entirety and then sort the results.
 198
 199         # If it's relatively long, it may be worth our while to zip
 200         # through the time-sorted page list checking for watched items.
 201
 202         # Up estimate of watched items by 15% to compensate for talk pages...
 203
 204         $andHideOwn = $hideOwn ? "AND (rc_user <> $uid)" : '';
 205
 206         # Show watchlist header
 207         $header = '';
 208         if( $wgUser->getOption( 'enotifwatchlistpages' ) && $wgEnotifWatchlist) {
 209                 $header .= wfMsg( 'wlheader-enotif' ) . "\n";
 210         }
 211         if ( $wgEnotifWatchlist && $wgShowUpdatedMarker ) {
 212                 $header .= wfMsg( 'wlheader-showupdated' ) . "\n";
 213         }
 214
 215         # TODO: Consider removing the third parameter
 216         $header .= wfMsg( 'watchdetails', $wgLang->formatNum( $nitems ),
 217                 $wgLang->formatNum( $npages ), '',
 218                 $specialTitle->getFullUrl( 'edit=yes' ) );
 219         $wgOut->addWikiText( $header );
 220
 221         if ( $wgEnotifWatchlist && $wgShowUpdatedMarker ) {
 222                 $wgOut->addHTML( '<form action="' .
 223                         $specialTitle->escapeLocalUrl() .
 224                         '" method="post"><input type="submit" name="dummy" value="' .
 225                         htmlspecialchars( wfMsg( 'enotif_reset' ) ) .
 226                         '" /><input type="hidden" name="reset" value="all" /></form>' .
 227                         "\n\n" );
 228         }
 229
 230         $sql = "SELECT
 231           rc_namespace page_namespace,rc_title page_title,
 232           rc_comment rev_comment, rc_cur_id page_id,
 233           rc_user rev_user,rc_user_text rev_user_text,
 234           rc_timestamp rev_timestamp,rc_minor rev_minor_edit,
 235           rc_this_oldid rev_id,
 236           rc_last_oldid,
 237           rc_new page_is_new,wl_notificationtimestamp
 238           FROM $watchlist,$recentchanges,$page
 239           WHERE wl_user=$uid
 240           AND wl_namespace=rc_namespace
 241           AND wl_title=rc_title
 242           AND rc_timestamp > '$cutoff'
 243           AND rc_cur_id=page_id
 244           AND rc_this_oldid=page_latest
 245           $andHideOwn
 246           ORDER BY rc_timestamp DESC";
 247
 248         $res = $dbr->query( $sql, $fname );
 249         $numRows = $dbr->numRows( $res );
 250
 251         /* Start bottom header */
 252         $wgOut->addHTML( "<hr />\n<p>" );
 253
 254         if($days >= 1)
 255                 $wgOut->addWikiText( wfMsg( 'rcnote', $wgLang->formatNum( $numRows ),
 256                         $wgLang->formatNum( $days ) ) . '<br />' , false );
 257         elseif($days > 0)
 258                 $wgOut->addWikiText( wfMsg( 'wlnote', $wgLang->formatNum( $numRows ),
 259                         $wgLang->formatNum( round($days*24) ) ) . '<br />' , false );
 260
 261         $wgOut->addHTML( "\n" . wlCutoffLinks( $days, 'Watchlist', $nondefaults ) . "<br />\n" );
 262
 263         $sk = $wgUser->getSkin();
 264         $s = $sk->makeKnownLink(
 265                 $wgContLang->specialPage( 'Watchlist' ),
 266                 (0 == $hideOwn) ? wfMsgHtml( 'wlhide' ) : wfMsgHtml( 'wlshow' ),
 267                 wfArrayToCGI( array('hideOwn' => 1-$hideOwn ), $nondefaults ) );
 268
 269         $wgOut->addHTML( wfMsgHtml( "wlhideshowown", $s ) );
 270
 271         if ( $numRows == 0 ) {
 272                 $wgOut->addWikitext( "<br />" . wfMsg( 'watchnochange' ), false );
 273                 $wgOut->addHTML( "</p>\n" );
 274                 return;
 275         }
 276
 277         $wgOut->addHTML( "</p>\n" );
 278         /* End bottom header */
 279
 280         $sk = $wgUser->getSkin();
 281         $list =& new ChangesList( $sk );
 282         $s = $list->beginRecentChangesList();
 283         $counter = 1;
 284         while ( $obj = $dbr->fetchObject( $res ) ) {
 285                 # Make fake RC entry
 286                 $rc = RecentChange::newFromCurRow( $obj, $obj->rc_last_oldid );
 287                 $rc->counter = $counter++;
 288
 289                 if ( $wgShowUpdatedMarker ) {
 290                         $updated = $obj->wl_notificationtimestamp;
 291                 } else {
 292                         // Same visual appearance as MW 1.4
 293                         $updated = true;
 294                 }
 295
 296                 if ($wgRCShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
 297                         $sql3 = "SELECT COUNT(*) AS n FROM $watchlist WHERE wl_title='" .wfStrencode($obj->page_title). "' AND wl_namespace='{$obj->page_namespace}'" ;
 298                         $res3 = $dbr->query( $sql3, DB_READ, $fname );
 299                         $x = $dbr->fetchObject( $res3 );
 300                         $rc->numberofWatchingusers = $x->n;
 301                 } else {
 302                         $rc->numberofWatchingusers = 0;
 303                 }
 304
 305                 $s .= $list->recentChangesLine( $rc, $updated );
 306         }
 307         $s .= $list->endRecentChangesList();
 308
 309         $dbr->freeResult( $res );
 310         $wgOut->addHTML( $s );
 311
 312         if ( $wgUseWatchlistCache ) {
 313                 $wgMemc->set( $memckey, $s, $wgWLCacheTimeout);
 314         }
 315
 316 }
 317
 318 function wlHoursLink( $h, $page, $options = array() ) {
 319         global $wgUser, $wgLang, $wgContLang;
 320         $sk = $wgUser->getSkin();
 321         $s = $sk->makeKnownLink(
 322           $wgContLang->specialPage( $page ),
 323           $wgLang->formatNum( $h ),
 324           wfArrayToCGI( array('days' => ($h / 24.0)), $options ) );
 325         return $s;
 326 }
 327
 328 function wlDaysLink( $d, $page, $options = array() ) {
 329         global $wgUser, $wgLang, $wgContLang;
 330         $sk = $wgUser->getSkin();
 331         $s = $sk->makeKnownLink(
 332           $wgContLang->specialPage( $page ),
 333           ($d ? $wgLang->formatNum( $d ) : wfMsgHtml( 'watchlistall2' ) ),
 334           wfArrayToCGI( array('days' => $d), $options ) );
 335         return $s;
 336 }
 337
 338 function wlCutoffLinks( $days, $page = 'Watchlist', $options = array() ) {
 339         $hours = array( 1, 2, 6, 12 );
 340         $days = array( 1, 3, 7 );
 341         $cl = '';
 342         $i = 0;
 343         foreach( $hours as $h ) {
 344                 $hours[$i++] = wlHoursLink( $h, $page, $options );
 345         }
 346         $i = 0;
 347         foreach( $days as $d ) {
 348                 $days[$i++] = wlDaysLink( $d, $page, $options );
 349         }
 350         return wfMsg ('wlshowlast',
 351                 implode(' | ', $hours),
 352                 implode(' | ', $days),
 353                 wlDaysLink( 0, $page, $options ) );
 354 }
 355
 356 ?>