includes/SpecialWatchlist.php

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