includes/specials/SpecialWatchlist.php

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup SpecialPage Watchlist
   5  */
   6
   7 /**
   8  * Constructor
   9  *
  10  * @param $par Parameter passed to the page
  11  */
  12 function wfSpecialWatchlist( $par ) {
  13         global $wgUser, $wgOut, $wgLang, $wgRequest;
  14         global $wgRCShowWatchingUsers, $wgEnotifWatchlist, $wgShowUpdatedMarker;
  15         global $wgEnotifWatchlist;
  16         $fname = 'wfSpecialWatchlist';
  17
  18         $skin = $wgUser->getSkin();
  19         $specialTitle = SpecialPage::getTitleFor( 'Watchlist' );
  20         $wgOut->setRobotPolicy( 'noindex,nofollow' );
  21
  22         # Anons don't get a watchlist
  23         if( $wgUser->isAnon() ) {
  24                 $wgOut->setPageTitle( wfMsg( 'watchnologin' ) );
  25                 $llink = $skin->makeKnownLinkObj( SpecialPage::getTitleFor( 'Userlogin' ),
  26                         wfMsgHtml( 'loginreqlink' ), 'returnto=' . $specialTitle->getPrefixedUrl() );
  27                 $wgOut->addHtml( wfMsgWikiHtml( 'watchlistanontext', $llink ) );
  28                 return;
  29         }
  30
  31         $wgOut->setPageTitle( wfMsg( 'watchlist' ) );
  32
  33         $sub  = wfMsgExt( 'watchlistfor', 'parseinline', $wgUser->getName() );
  34         $sub .= '<br />' . WatchlistEditor::buildTools( $wgUser->getSkin() );
  35         $wgOut->setSubtitle( $sub );
  36
  37         if( ( $mode = WatchlistEditor::getMode( $wgRequest, $par ) ) !== false ) {
  38                 $editor = new WatchlistEditor();
  39                 $editor->execute( $wgUser, $wgOut, $wgRequest, $mode );
  40                 return;
  41         }
  42
  43         $uid = $wgUser->getId();
  44         if( ($wgEnotifWatchlist || $wgShowUpdatedMarker) && $wgRequest->getVal( 'reset' ) && $wgRequest->wasPosted() ) {
  45                 $wgUser->clearAllNotifications( $uid );
  46                 $wgOut->redirect( $specialTitle->getFullUrl() );
  47                 return;
  48         }
  49
  50         $defaults = array(
  51         /* float */ 'days'      => floatval( $wgUser->getOption( 'watchlistdays' ) ), /* 3.0 or 0.5, watch further below */
  52         /* bool  */ 'hideMinor' => (int)$wgUser->getBoolOption( 'watchlisthideminor' ),
  53         /* bool  */ 'hideBots'  => (int)$wgUser->getBoolOption( 'watchlisthidebots' ),
  54         /* bool  */ 'hideAnons' => (int)$wgUser->getBoolOption( 'watchlisthideanons' ),
  55         /* bool  */ 'hideLiu'   => (int)$wgUser->getBoolOption( 'watchlisthideliu' ),
  56         /* bool  */ 'hidePatrolled' => (int)$wgUser->getBoolOption( 'watchlisthidepatrolled' ), // TODO
  57         /* bool  */ 'hideOwn'   => (int)$wgUser->getBoolOption( 'watchlisthideown' ),
  58         /* ?     */ 'namespace' => 'all',
  59         /* ?     */ 'invert'    => false,
  60         );
  61
  62         extract($defaults);
  63
  64         # Extract variables from the request, falling back to user preferences or
  65         # other default values if these don't exist
  66         $prefs['days']      = floatval( $wgUser->getOption( 'watchlistdays' ) );
  67         $prefs['hideminor'] = $wgUser->getBoolOption( 'watchlisthideminor' );
  68         $prefs['hidebots']  = $wgUser->getBoolOption( 'watchlisthidebots' );
  69         $prefs['hideanons'] = $wgUser->getBoolOption( 'watchlisthideanon' );
  70         $prefs['hideliu']   = $wgUser->getBoolOption( 'watchlisthideliu' );
  71         $prefs['hideown' ]  = $wgUser->getBoolOption( 'watchlisthideown' );
  72         $prefs['hidepatrolled' ] = $wgUser->getBoolOption( 'watchlisthidepatrolled' );
  73
  74         # Get query variables
  75         $days      = $wgRequest->getVal(  'days'     , $prefs['days'] );
  76         $hideMinor = $wgRequest->getBool( 'hideMinor', $prefs['hideminor'] );
  77         $hideBots  = $wgRequest->getBool( 'hideBots' , $prefs['hidebots'] );
  78         $hideAnons = $wgRequest->getBool( 'hideAnons', $prefs['hideanons'] );
  79         $hideLiu   = $wgRequest->getBool( 'hideLiu'  , $prefs['hideliu'] );
  80         $hideOwn   = $wgRequest->getBool( 'hideOwn'  , $prefs['hideown'] );
  81         $hidePatrolled   = $wgRequest->getBool( 'hidePatrolled'  , $prefs['hidepatrolled'] );
  82
  83         # Get namespace value, if supplied, and prepare a WHERE fragment
  84         $nameSpace = $wgRequest->getIntOrNull( 'namespace' );
  85         $invert = $wgRequest->getIntOrNull( 'invert' );
  86         if( !is_null( $nameSpace ) ) {
  87                 $nameSpace = intval( $nameSpace );
  88                 if( $invert && $nameSpace !== 'all' )
  89                         $nameSpaceClause = " AND rc_namespace != $nameSpace";
  90                 else
  91                         $nameSpaceClause = " AND rc_namespace = $nameSpace";
  92         } else {
  93                 $nameSpace = '';
  94                 $nameSpaceClause = '';
  95         }
  96
  97         $dbr = wfGetDB( DB_SLAVE, 'watchlist' );
  98         list( $page, $watchlist, $recentchanges ) = $dbr->tableNamesN( 'page', 'watchlist', 'recentchanges' );
  99
 100         $watchlistCount = $dbr->selectField( 'watchlist', 'COUNT(*)',
 101                 array( 'wl_user' => $uid ), __METHOD__ );
 102         // Adjust for page X, talk:page X, which are both stored separately,
 103         // but treated together
 104         $nitems = floor($watchlistCount / 2);
 105
 106         if( is_null($days) || !is_numeric($days) ) {
 107                 $big = 1000; /* The magical big */
 108                 if($nitems > $big) {
 109                         # Set default cutoff shorter
 110                         $days = $defaults['days'] = (12.0 / 24.0); # 12 hours...
 111                 } else {
 112                         $days = $defaults['days']; # default cutoff for shortlisters
 113                 }
 114         } else {
 115                 $days = floatval($days);
 116         }
 117
 118         // Dump everything here
 119         $nondefaults = array();
 120
 121         wfAppendToArrayIfNotDefault( 'days'     , $days          , $defaults, $nondefaults);
 122         wfAppendToArrayIfNotDefault( 'hideMinor', (int)$hideMinor, $defaults, $nondefaults );
 123         wfAppendToArrayIfNotDefault( 'hideBots' , (int)$hideBots , $defaults, $nondefaults);
 124         wfAppendToArrayIfNotDefault( 'hideAnons', (int)$hideAnons, $defaults, $nondefaults );
 125         wfAppendToArrayIfNotDefault( 'hideLiu'  , (int)$hideLiu  , $defaults, $nondefaults );
 126         wfAppendToArrayIfNotDefault( 'hideOwn'  , (int)$hideOwn  , $defaults, $nondefaults);
 127         wfAppendToArrayIfNotDefault( 'namespace', $nameSpace     , $defaults, $nondefaults);
 128         wfAppendToArrayIfNotDefault( 'hidePatrolled', (int)$hidePatrolled, $defaults, $nondefaults );
 129
 130         $hookSql = "";
 131         if( ! wfRunHooks('BeforeWatchlist', array($nondefaults, $wgUser, &$hookSql)) ) {
 132                 return;
 133         }
 134
 135         if($nitems == 0) {
 136                 $wgOut->addWikiMsg( 'nowatchlist' );
 137                 return;
 138         }
 139
 140         if ( $days <= 0 ) {
 141                 $andcutoff = '';
 142         } else {
 143                 $andcutoff = "AND rc_timestamp > '".$dbr->timestamp( time() - intval( $days * 86400 ) )."'";
 144                 /*
 145                 $sql = "SELECT COUNT(*) AS n FROM $page, $revision  WHERE rev_timestamp>'$cutoff' AND page_id=rev_page";
 146                 $res = $dbr->query( $sql, $fname );
 147                 $s = $dbr->fetchObject( $res );
 148                 $npages = $s->n;
 149                 */
 150         }
 151
 152         # If the watchlist is relatively short, it's simplest to zip
 153         # down its entirety and then sort the results.
 154
 155         # If it's relatively long, it may be worth our while to zip
 156         # through the time-sorted page list checking for watched items.
 157
 158         # Up estimate of watched items by 15% to compensate for talk pages...
 159
 160         # Toggles
 161         $andHideOwn   = $hideOwn   ? "AND (rc_user <> $uid)" : '';
 162         $andHideBots  = $hideBots  ? "AND (rc_bot = 0)" : '';
 163         $andHideMinor = $hideMinor ? "AND (rc_minor = 0)" : '';
 164         $andHideLiu   = $hideLiu   ? "AND (rc_user = 0)" : '';
 165         $andHideAnons = $hideAnons ? "AND (rc_user != 0)" : '';
 166         $andHidePatrolled = $hidePatrolled ? "AND (rc_patrolled != 1)" : '';
 167
 168         # Toggle watchlist content (all recent edits or just the latest)
 169         if( $wgUser->getOption( 'extendwatchlist' )) {
 170                 $andLatest='';
 171                 $limitWatchlist = 'LIMIT ' . intval( $wgUser->getOption( 'wllimit' ) );
 172         } else {
 173         # Top log Ids for a page are not stored
 174                 $andLatest = 'AND (rc_this_oldid=page_latest OR rc_type=' . RC_LOG . ') ';
 175                 $limitWatchlist = '';
 176         }
 177
 178         # Show a message about slave lag, if applicable
 179         if( ( $lag = $dbr->getLag() ) > 0 )
 180                 $wgOut->showLagWarning( $lag );
 181
 182         # Create output form
 183         $form  = Xml::fieldset( wfMsg( 'watchlist-options' ), false, array( 'id' => 'mw-watchlist-options' ) );
 184
 185         # Show watchlist header
 186         $form .= wfMsgExt( 'watchlist-details', array( 'parseinline' ), $wgLang->formatNum( $nitems ) );
 187
 188         if( $wgUser->getOption( 'enotifwatchlistpages' ) && $wgEnotifWatchlist) {
 189                 $form .= wfMsgExt( 'wlheader-enotif', 'parse' ) . "\n";
 190         }
 191         if ( $wgShowUpdatedMarker ) {
 192                 $form .= Xml::openElement( 'form', array( 'method' => 'post',
 193                                         'action' => $specialTitle->getLocalUrl(),
 194                                         'id' => 'mw-watchlist-resetbutton' ) ) .
 195                                 wfMsgExt( 'wlheader-showupdated', array( 'parseinline' ) ) . ' ' .
 196                                 Xml::submitButton( wfMsg( 'enotif_reset' ), array( 'name' => 'dummy' ) ) .
 197                                 Xml::hidden( 'reset', 'all' ) .
 198                                 Xml::closeElement( 'form' );
 199         }
 200         $form .= '<hr />';
 201
 202         if ( $wgShowUpdatedMarker ) {
 203                 $wltsfield = ", ${watchlist}.wl_notificationtimestamp ";
 204         } else {
 205                 $wltsfield = '';
 206         }
 207         $sql = "SELECT ${recentchanges}.* ${wltsfield}
 208           FROM $watchlist,$recentchanges
 209           LEFT JOIN $page ON rc_cur_id=page_id
 210           WHERE wl_user=$uid
 211           AND wl_namespace=rc_namespace
 212           AND wl_title=rc_title
 213           $andcutoff
 214           $andLatest
 215           $andHideOwn
 216           $andHideBots
 217           $andHideMinor
 218           $andHideLiu
 219           $andHideAnons
 220           $andHidePatrolled
 221           $nameSpaceClause
 222           $hookSql
 223           ORDER BY rc_timestamp DESC
 224           $limitWatchlist";
 225
 226         $res = $dbr->query( $sql, $fname );
 227         $numRows = $dbr->numRows( $res );
 228
 229         /* Start bottom header */
 230
 231         $wlInfo = '';
 232         if( $days >= 1 ) {
 233                 $wlInfo = wfMsgExt( 'rcnote', 'parseinline',
 234                                 $wgLang->formatNum( $numRows ),
 235                                 $wgLang->formatNum( $days ),
 236                                 $wgLang->timeAndDate( wfTimestampNow(), true ),
 237                                 $wgLang->date( wfTimestampNow(), true ),
 238                                 $wgLang->time( wfTimestampNow(), true )
 239                         ) . '<br />';
 240         } elseif( $days > 0 ) {
 241                 $wlInfo = wfMsgExt( 'wlnote', 'parseinline',
 242                                 $wgLang->formatNum( $numRows ),
 243                                 $wgLang->formatNum( round($days*24) )
 244                         ) . '<br />';
 245         }
 246
 247         $cutofflinks = "\n" . wlCutoffLinks( $days, 'Watchlist', $nondefaults ) . "<br />\n";
 248
 249         # Spit out some control panel links
 250         $thisTitle = SpecialPage::getTitleFor( 'Watchlist' );
 251         $skin = $wgUser->getSkin();
 252
 253         # Hide/show minor edits
 254         $label = $hideMinor ? wfMsgHtml( 'watchlist-show-minor' ) : wfMsgHtml( 'watchlist-hide-minor' );
 255         $linkBits = wfArrayToCGI( array( 'hideMinor' => 1 - (int)$hideMinor ), $nondefaults );
 256         $links[] = $skin->makeKnownLinkObj( $thisTitle, $label, $linkBits );
 257
 258         # Hide/show bot edits
 259         $label = $hideBots ? wfMsgHtml( 'watchlist-show-bots' ) : wfMsgHtml( 'watchlist-hide-bots' );
 260         $linkBits = wfArrayToCGI( array( 'hideBots' => 1 - (int)$hideBots ), $nondefaults );
 261         $links[] = $skin->makeKnownLinkObj( $thisTitle, $label, $linkBits );
 262
 263         # Hide/show anonymous edits
 264         $label = $hideAnons ? wfMsgHtml( 'watchlist-show-anons' ) : wfMsgHtml( 'watchlist-hide-anons' );
 265         $linkBits = wfArrayToCGI( array( 'hideAnons' => 1 - (int)$hideAnons ), $nondefaults );
 266         $links[] = $skin->makeKnownLinkObj( $thisTitle, $label, $linkBits );
 267
 268         # Hide/show logged in edits
 269         $label = $hideLiu ? wfMsgHtml( 'watchlist-show-liu' ) : wfMsgHtml( 'watchlist-hide-liu' );
 270         $linkBits = wfArrayToCGI( array( 'hideLiu' => 1 - (int)$hideLiu ), $nondefaults );
 271         $links[] = $skin->makeKnownLinkObj( $thisTitle, $label, $linkBits );
 272
 273         # Hide/show own edits
 274         $label = $hideOwn ? wfMsgHtml( 'watchlist-show-own' ) : wfMsgHtml( 'watchlist-hide-own' );
 275         $linkBits = wfArrayToCGI( array( 'hideOwn' => 1 - (int)$hideOwn ), $nondefaults );
 276         $links[] = $skin->makeKnownLinkObj( $thisTitle, $label, $linkBits );
 277
 278         # Hide/show patrolled edits
 279         $label = $hidePatrolled ? wfMsgHtml( 'watchlist-show-patrolled' ) : wfMsgHtml( 'watchlist-hide-patrolled' );
 280         $linkBits = wfArrayToCGI( array( 'hidePatrolled' => 1 - (int)$hidePatrolled ), $nondefaults );
 281         $links[] = $skin->makeKnownLinkObj( $thisTitle, $label, $linkBits );
 282
 283         # Namespace filter and put the whole form together.
 284         $form .= $wlInfo;
 285         $form .= $cutofflinks;
 286         $form .= implode( ' | ', $links );
 287         $form .= Xml::openElement( 'form', array( 'method' => 'post', 'action' => $thisTitle->getLocalUrl() ) );
 288         $form .= '<p>';
 289         $form .= Xml::label( wfMsg( 'namespace' ), 'namespace' ) . '&nbsp;';
 290         $form .= Xml::namespaceSelector( $nameSpace, '' ) . '&nbsp;';
 291         $form .= Xml::checkLabel( wfMsg('invert'), 'invert', 'nsinvert', $invert ) . '&nbsp;';
 292         $form .= Xml::submitButton( wfMsg( 'allpagessubmit' ) ) . '</p>';
 293         $form .= Xml::hidden( 'days', $days );
 294         if( $hideMinor )
 295                 $form .= Xml::hidden( 'hideMinor', 1 );
 296         if( $hideBots )
 297                 $form .= Xml::hidden( 'hideBots', 1 );
 298         if( $hideAnons )
 299                 $form .= Xml::hidden( 'hideAnons', 1 );
 300         if( $hideLiu )
 301                 $form .= Xml::hidden( 'hideLiu', 1 );
 302         if( $hideOwn )
 303                 $form .= Xml::hidden( 'hideOwn', 1 );
 304         $form .= Xml::closeElement( 'form' );
 305         $form .= Xml::closeElement( 'fieldset' );
 306         $wgOut->addHtml( $form );
 307
 308         # If there's nothing to show, stop here
 309         if( $numRows == 0 ) {
 310                 $wgOut->addWikiMsg( 'watchnochange' );
 311                 return;
 312         }
 313
 314         /* End bottom header */
 315
 316         /* Do link batch query */
 317         $linkBatch = new LinkBatch;
 318         while ( $row = $dbr->fetchObject( $res ) ) {
 319                 $userNameUnderscored = str_replace( ' ', '_', $row->rc_user_text );
 320                 if ( $row->rc_user != 0 ) {
 321                         $linkBatch->add( NS_USER, $userNameUnderscored );
 322                 }
 323                 $linkBatch->add( NS_USER_TALK, $userNameUnderscored );
 324         }
 325         $linkBatch->execute();
 326         $dbr->dataSeek( $res, 0 );
 327
 328         $list = ChangesList::newFromUser( $wgUser );
 329
 330         $s = $list->beginRecentChangesList();
 331         $counter = 1;
 332         while ( $obj = $dbr->fetchObject( $res ) ) {
 333                 # Make RC entry
 334                 $rc = RecentChange::newFromRow( $obj );
 335                 $rc->counter = $counter++;
 336
 337                 if ( $wgShowUpdatedMarker ) {
 338                         $updated = $obj->wl_notificationtimestamp;
 339                 } else {
 340                         $updated = false;
 341                 }
 342
 343                 if ($wgRCShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
 344                         $rc->numberofWatchingusers = $dbr->selectField( 'watchlist',
 345                                 'COUNT(*)',
 346                                 array(
 347                                         'wl_namespace' => $obj->rc_namespace,
 348                                         'wl_title' => $obj->rc_title,
 349                                 ),
 350                                 __METHOD__ );
 351                 } else {
 352                         $rc->numberofWatchingusers = 0;
 353                 }
 354
 355                 $s .= $list->recentChangesLine( $rc, $updated );
 356         }
 357         $s .= $list->endRecentChangesList();
 358
 359         $dbr->freeResult( $res );
 360         $wgOut->addHTML( $s );
 361 }
 362
 363 function wlHoursLink( $h, $page, $options = array() ) {
 364         global $wgUser, $wgLang, $wgContLang;
 365         $sk = $wgUser->getSkin();
 366         $s = $sk->makeKnownLink(
 367           $wgContLang->specialPage( $page ),
 368           $wgLang->formatNum( $h ),
 369           wfArrayToCGI( array('days' => ($h / 24.0)), $options ) );
 370         return $s;
 371 }
 372
 373 function wlDaysLink( $d, $page, $options = array() ) {
 374         global $wgUser, $wgLang, $wgContLang;
 375         $sk = $wgUser->getSkin();
 376         $s = $sk->makeKnownLink(
 377           $wgContLang->specialPage( $page ),
 378           ($d ? $wgLang->formatNum( $d ) : wfMsgHtml( 'watchlistall2' ) ),
 379           wfArrayToCGI( array('days' => $d), $options ) );
 380         return $s;
 381 }
 382
 383 /**
 384  * Returns html
 385  */
 386 function wlCutoffLinks( $days, $page = 'Watchlist', $options = array() ) {
 387         $hours = array( 1, 2, 6, 12 );
 388         $days = array( 1, 3, 7 );
 389         $i = 0;
 390         foreach( $hours as $h ) {
 391                 $hours[$i++] = wlHoursLink( $h, $page, $options );
 392         }
 393         $i = 0;
 394         foreach( $days as $d ) {
 395                 $days[$i++] = wlDaysLink( $d, $page, $options );
 396         }
 397         return wfMsgExt('wlshowlast',
 398                 array('parseinline', 'replaceafter'),
 399                 implode(' | ', $hours),
 400                 implode(' | ', $days),
 401                 wlDaysLink( 0, $page, $options ) );
 402 }
 403
 404 /**
 405  * Count the number of items on a user's watchlist
 406  *
 407  * @param $talk Include talk pages
 408  * @return integer
 409  */
 410 function wlCountItems( &$user, $talk = true ) {
 411         $dbr = wfGetDB( DB_SLAVE, 'watchlist' );
 412
 413         # Fetch the raw count
 414         $res = $dbr->select( 'watchlist', 'COUNT(*) AS count', array( 'wl_user' => $user->mId ), 'wlCountItems' );
 415         $row = $dbr->fetchObject( $res );
 416         $count = $row->count;
 417         $dbr->freeResult( $res );
 418
 419         # Halve to remove talk pages if needed
 420         if( !$talk )
 421                 $count = floor( $count / 2 );
 422
 423         return( $count );
 424 }