includes/SpecialWatchlist.php

   1 <?php
   2 /**
   3  *
   4  * @addtogroup SpecialPage
   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 && $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         $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, $nondefaults);
 120         wfAppendToArrayIfNotDefault('hideOwn'  , (int)$hideOwn , $defaults, $nondefaults);
 121         wfAppendToArrayIfNotDefault('hideBots' , (int)$hideBots, $defaults, $nondefaults);
 122         wfAppendToArrayIfNotDefault( 'hideMinor', (int)$hideMinor, $defaults, $nondefaults );
 123         wfAppendToArrayIfNotDefault('namespace', $nameSpace    , $defaults, $nondefaults);
 124
 125         if ( $days <= 0 ) {
 126                 $andcutoff = '';
 127         } else {
 128                 $andcutoff = "AND rc_timestamp > '".$dbr->timestamp( time() - intval( $days * 86400 ) )."'";
 129                 /*
 130                 $sql = "SELECT COUNT(*) AS n FROM $page, $revision  WHERE rev_timestamp>'$cutoff' AND page_id=rev_page";
 131                 $res = $dbr->query( $sql, $fname );
 132                 $s = $dbr->fetchObject( $res );
 133                 $npages = $s->n;
 134                 */
 135         }
 136
 137         # If the watchlist is relatively short, it's simplest to zip
 138         # down its entirety and then sort the results.
 139
 140         # If it's relatively long, it may be worth our while to zip
 141         # through the time-sorted page list checking for watched items.
 142
 143         # Up estimate of watched items by 15% to compensate for talk pages...
 144
 145         # Toggles
 146         $andHideOwn = $hideOwn ? "AND (rc_user <> $uid)" : '';
 147         $andHideBots = $hideBots ? "AND (rc_bot = 0)" : '';
 148         $andHideMinor = $hideMinor ? 'AND rc_minor = 0' : '';
 149
 150         # Show watchlist header
 151         $header = '';
 152         if( $wgUser->getOption( 'enotifwatchlistpages' ) && $wgEnotifWatchlist) {
 153                 $header .= wfMsg( 'wlheader-enotif' ) . "\n";
 154         }
 155         if ( $wgEnotifWatchlist && $wgShowUpdatedMarker ) {
 156                 $header .= wfMsg( 'wlheader-showupdated' ) . "\n";
 157         }
 158
 159   # Toggle watchlist content (all recent edits or just the latest)
 160         if( $wgUser->getOption( 'extendwatchlist' )) {
 161                 $andLatest='';
 162                 $limitWatchlist = 'LIMIT ' . intval( $wgUser->getOption( 'wllimit' ) );
 163         } else {
 164         # Top log Ids for a page are not stored
 165                 $andLatest = 'AND (rc_this_oldid=page_latest OR rc_type=' . RC_LOG . ') ';
 166                 $limitWatchlist = '';
 167         }
 168
 169         $header .= wfMsgExt( 'watchlist-details', array( 'parsemag' ), $wgLang->formatNum( $nitems ) );
 170         $wgOut->addWikiText( $header );
 171
 172         # Show a message about slave lag, if applicable
 173         if( ( $lag = $dbr->getLag() ) > 0 )
 174                 $wgOut->showLagWarning( $lag );
 175
 176         if ( $wgEnotifWatchlist && $wgShowUpdatedMarker ) {
 177                 $wgOut->addHTML( '<form action="' .
 178                         $specialTitle->escapeLocalUrl() .
 179                         '" method="post"><input type="submit" name="dummy" value="' .
 180                         htmlspecialchars( wfMsg( 'enotif_reset' ) ) .
 181                         '" /><input type="hidden" name="reset" value="all" /></form>' .
 182                         "\n\n" );
 183         }
 184
 185         $sql = "SELECT *
 186           FROM $watchlist,$recentchanges,$page
 187           WHERE wl_user=$uid
 188           AND wl_namespace=rc_namespace
 189           AND wl_title=rc_title
 190           AND rc_cur_id=page_id
 191           $andcutoff
 192           $andLatest
 193           $andHideOwn
 194           $andHideBots
 195           $andHideMinor
 196           $nameSpaceClause
 197           ORDER BY rc_timestamp DESC
 198           $limitWatchlist";
 199
 200         $res = $dbr->query( $sql, $fname );
 201         $numRows = $dbr->numRows( $res );
 202
 203         /* Start bottom header */
 204         $wgOut->addHTML( "<hr />\n" );
 205
 206         if($days >= 1) {
 207                 $wgOut->addWikiText( wfMsgExt( 'rcnote', array( 'parseinline' ), $wgLang->formatNum( $numRows ),
 208                         $wgLang->formatNum( $days ), $wgLang->timeAndDate( wfTimestampNow(), true ) ) . '<br />' , false );
 209         } elseif($days > 0) {
 210                 $wgOut->addWikiText( wfMsgExt( 'wlnote', array( 'parseinline' ), $wgLang->formatNum( $numRows ),
 211                         $wgLang->formatNum( round($days*24) ) ) . '<br />' , false );
 212         }
 213
 214         $wgOut->addHTML( "\n" . wlCutoffLinks( $days, 'Watchlist', $nondefaults ) . "<br />\n" );
 215
 216         # Spit out some control panel links
 217         $thisTitle = SpecialPage::getTitleFor( 'Watchlist' );
 218         $skin = $wgUser->getSkin();
 219
 220         # Hide/show bot edits
 221         $label = $hideBots ? wfMsgHtml( 'watchlist-show-bots' ) : wfMsgHtml( 'watchlist-hide-bots' );
 222         $linkBits = wfArrayToCGI( array( 'hideBots' => 1 - (int)$hideBots ), $nondefaults );
 223         $links[] = $skin->makeKnownLinkObj( $thisTitle, $label, $linkBits );
 224
 225         # Hide/show own edits
 226         $label = $hideOwn ? wfMsgHtml( 'watchlist-show-own' ) : wfMsgHtml( 'watchlist-hide-own' );
 227         $linkBits = wfArrayToCGI( array( 'hideOwn' => 1 - (int)$hideOwn ), $nondefaults );
 228         $links[] = $skin->makeKnownLinkObj( $thisTitle, $label, $linkBits );
 229
 230         # Hide/show minor edits
 231         $label = $hideMinor ? wfMsgHtml( 'watchlist-show-minor' ) : wfMsgHtml( 'watchlist-hide-minor' );
 232         $linkBits = wfArrayToCGI( array( 'hideMinor' => 1 - (int)$hideMinor ), $nondefaults );
 233         $links[] = $skin->makeKnownLinkObj( $thisTitle, $label, $linkBits );
 234
 235         $wgOut->addHTML( implode( ' | ', $links ) );
 236
 237         # Form for namespace filtering
 238         $form  = Xml::openElement( 'form', array( 'method' => 'post', 'action' => $thisTitle->getLocalUrl() ) );
 239         $form .= '<p>';
 240         $form .= Xml::label( wfMsg( 'namespace' ), 'namespace' ) . '&nbsp;';
 241         $form .= Xml::namespaceSelector( $nameSpace, '' ) . '&nbsp;';
 242         $form .= Xml::submitButton( wfMsg( 'allpagessubmit' ) ) . '</p>';
 243         $form .= Xml::hidden( 'days', $days );
 244         if( $hideOwn )
 245                 $form .= Xml::hidden( 'hideOwn', 1 );
 246         if( $hideBots )
 247                 $form .= Xml::hidden( 'hideBots', 1 );
 248         if( $hideMinor )
 249                 $form .= Xml::hidden( 'hideMinor', 1 );
 250         $form .= Xml::closeElement( 'form' );
 251         $wgOut->addHtml( $form );
 252
 253         # If there's nothing to show, stop here
 254         if( $numRows == 0 ) {
 255                 $wgOut->addWikiText( wfMsgNoTrans( 'watchnochange' ) );
 256                 return;
 257         }
 258
 259         /* End bottom header */
 260
 261         /* Do link batch query */
 262         $linkBatch = new LinkBatch;
 263         while ( $row = $dbr->fetchObject( $res ) ) {
 264                 $userNameUnderscored = str_replace( ' ', '_', $row->rc_user_text );
 265                 if ( $row->rc_user != 0 ) {
 266                         $linkBatch->add( NS_USER, $userNameUnderscored );
 267                 }
 268                 $linkBatch->add( NS_USER_TALK, $userNameUnderscored );
 269         }
 270         $linkBatch->execute();
 271         $dbr->dataSeek( $res, 0 );
 272
 273         $list = ChangesList::newFromUser( $wgUser );
 274
 275         $s = $list->beginRecentChangesList();
 276         $counter = 1;
 277         while ( $obj = $dbr->fetchObject( $res ) ) {
 278                 # Make RC entry
 279                 $rc = RecentChange::newFromRow( $obj );
 280                 $rc->counter = $counter++;
 281
 282                 if ( $wgShowUpdatedMarker ) {
 283                         $updated = $obj->wl_notificationtimestamp;
 284                 } else {
 285                         // Same visual appearance as MW 1.4
 286                         $updated = true;
 287                 }
 288
 289                 if ($wgRCShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
 290                         $sql3 = "SELECT COUNT(*) AS n FROM $watchlist WHERE wl_title='" .$dbr->strencode($obj->page_title). "' AND wl_namespace='{$obj->page_namespace}'" ;
 291                         $res3 = $dbr->query( $sql3, $fname );
 292                         $x = $dbr->fetchObject( $res3 );
 293                         $rc->numberofWatchingusers = $x->n;
 294                 } else {
 295                         $rc->numberofWatchingusers = 0;
 296                 }
 297
 298                 $s .= $list->recentChangesLine( $rc, $updated );
 299         }
 300         $s .= $list->endRecentChangesList();
 301
 302         $dbr->freeResult( $res );
 303         $wgOut->addHTML( $s );
 304
 305 }
 306
 307 function wlHoursLink( $h, $page, $options = array() ) {
 308         global $wgUser, $wgLang, $wgContLang;
 309         $sk = $wgUser->getSkin();
 310         $s = $sk->makeKnownLink(
 311           $wgContLang->specialPage( $page ),
 312           $wgLang->formatNum( $h ),
 313           wfArrayToCGI( array('days' => ($h / 24.0)), $options ) );
 314         return $s;
 315 }
 316
 317 function wlDaysLink( $d, $page, $options = array() ) {
 318         global $wgUser, $wgLang, $wgContLang;
 319         $sk = $wgUser->getSkin();
 320         $s = $sk->makeKnownLink(
 321           $wgContLang->specialPage( $page ),
 322           ($d ? $wgLang->formatNum( $d ) : wfMsgHtml( 'watchlistall2' ) ),
 323           wfArrayToCGI( array('days' => $d), $options ) );
 324         return $s;
 325 }
 326
 327 /**
 328  * Returns html
 329  */
 330 function wlCutoffLinks( $days, $page = 'Watchlist', $options = array() ) {
 331         $hours = array( 1, 2, 6, 12 );
 332         $days = array( 1, 3, 7 );
 333         $i = 0;
 334         foreach( $hours as $h ) {
 335                 $hours[$i++] = wlHoursLink( $h, $page, $options );
 336         }
 337         $i = 0;
 338         foreach( $days as $d ) {
 339                 $days[$i++] = wlDaysLink( $d, $page, $options );
 340         }
 341         return wfMsgExt('wlshowlast',
 342                 array('parseinline', 'replaceafter'),
 343                 implode(' | ', $hours),
 344                 implode(' | ', $days),
 345                 wlDaysLink( 0, $page, $options ) );
 346 }
 347
 348 /**
 349  * Count the number of items on a user's watchlist
 350  *
 351  * @param $talk Include talk pages
 352  * @return integer
 353  */
 354 function wlCountItems( &$user, $talk = true ) {
 355         $dbr = wfGetDB( DB_SLAVE, 'watchlist' );
 356
 357         # Fetch the raw count
 358         $res = $dbr->select( 'watchlist', 'COUNT(*) AS count', array( 'wl_user' => $user->mId ), 'wlCountItems' );
 359         $row = $dbr->fetchObject( $res );
 360         $count = $row->count;
 361         $dbr->freeResult( $res );
 362
 363         # Halve to remove talk pages if needed
 364         if( !$talk )
 365                 $count = floor( $count / 2 );
 366
 367         return( $count );
 368 }