includes/SpecialWatchlist.php

   1 <?php
   2 require_once( "SpecialRecentchanges.php" );
   3 require_once( "WatchedItem.php" );
   4
   5 function wfSpecialWatchlist()
   6 {
   7         global $wgUser, $wgOut, $wgLang, $wgTitle, $wgMemc;
   8         global $wgUseWatchlistCache, $wgWLCacheTimeout, $wgDBname;
   9         global $days, $limit, $target; # From query string
  10         $fname = "wfSpecialWatchlist";
  11
  12         $wgOut->setPagetitle( wfMsg( "watchlist" ) );
  13         $sub = wfMsg( "watchlistsub", $wgUser->getName() );
  14         $wgOut->setSubtitle( $sub );
  15         $wgOut->setRobotpolicy( "noindex,nofollow" );
  16
  17         $specialTitle = Title::makeTitle( NS_SPECIAL, "Watchlist" );
  18
  19         $uid = $wgUser->getID();
  20         if( $uid == 0 ) {
  21                 $wgOut->addHTML( wfMsg( "nowatchlist" ) );
  22                 return;
  23         }
  24
  25         global $action,$remove,$id;
  26         if(($action == "submit") && isset($remove) && is_array($id)) {
  27                 $wgOut->addHTML( wfMsg( "removingchecked" ) );
  28                 foreach($id as $one) {
  29                         $t = Title::newFromURL( $one );
  30                         if($t->getDBkey() != "") {
  31                                 $wl = WatchedItem::fromUserTitle( $wgUser, $t );
  32                                 if( $wl->removeWatch() === false ) {
  33                                         $wgOut->addHTML( "<br />\n" . wfMsg( "couldntremove", htmlspecialchars($one) ) );
  34                                 } else {
  35                                         $wgOut->addHTML( " (" . htmlspecialchars($one) . ")" );
  36                                 }
  37                         } else {
  38                                 $wgOut->addHTML( "<br />\n" . wfMsg( "iteminvalidname", htmlspecialchars($one) ) );
  39                         }
  40                 }
  41                 $wgOut->addHTML( "done.\n<p>" );
  42         }
  43
  44         if ( $wgUseWatchlistCache ) {
  45                 $memckey = "$wgDBname:watchlist:id:" . $wgUser->getId();
  46                 $cache_s = @$wgMemc->get( $memckey );
  47                 if( $cache_s ){
  48                         $wgOut->addHTML( wfMsg("wlsaved") );
  49                         $wgOut->addHTML( $cache_s );
  50                         return;
  51                 }
  52         }
  53
  54         $dbr =& wfGetDB( DB_SLAVE );
  55         extract( $dbr->tableNames( 'cur', 'watchlist', 'recentchanges' ) );
  56
  57         $sql = "SELECT COUNT(*) AS n FROM $watchlist WHERE wl_user=$uid";
  58         $res = $dbr->query( $sql );
  59         $s = $dbr->fetchObject( $res );
  60         $nitems = $s->n;
  61         if($nitems == 0) {
  62         $wgOut->addHTML( wfMsg( "nowatchlist" ) );
  63         return;
  64         }
  65
  66         if ( ! isset( $days ) ) {
  67                 $big = 1000;
  68                 if($nitems > $big) {
  69                         # Set default cutoff shorter
  70                         $days = (12.0 / 24.0); # 12 hours...
  71                 } else {
  72                         $days = 3; # longer cutoff for shortlisters
  73                 }
  74         } else {
  75                 $days = floatval($days);
  76         }
  77
  78         if ( $days <= 0 ) {
  79                 $docutoff = '';
  80                 $cutoff = false;
  81                 $npages = wfMsg( "all" );
  82         } else {
  83                 $docutoff = "AND cur_timestamp > '" .
  84                   ( $cutoff = $dbr->timestamp( time() - intval( $days * 86400 ) ) )
  85                   . "'";
  86                 $sql = "SELECT COUNT(*) AS n FROM $cur WHERE cur_timestamp>'$cutoff'";
  87                 $res = $dbr->query( $sql );
  88                 $s = $dbr->fetchObject( $res );
  89                 $npages = $s->n;
  90
  91         }
  92
  93         if(isset($_REQUEST['magic'])) {
  94                 $wgOut->addHTML( wfMsg( "watchlistcontains", $wgLang->formatNum( $nitems ) ) .
  95                         "<p>" . wfMsg( "watcheditlist" ) . "</p>\n" );
  96
  97                 $wgOut->addHTML( "<form action='" .
  98                         $specialTitle->escapeLocalUrl( "action=submit" ) .
  99                         "' method='post'>\n" .
 100                         "<ul>\n" );
 101                 $sql = "SELECT wl_namespace,wl_title FROM $watchlist WHERE wl_user=$uid";
 102                 $res = $dbr->query( $sql );
 103                 global $wgUser, $wgLang;
 104                 $sk = $wgUser->getSkin();
 105                 while( $s = $dbr->fetchObject( $res ) ) {
 106                         $t = Title::makeTitle( $s->wl_namespace, $s->wl_title );
 107                         if( is_null( $t ) ) {
 108                                 $wgOut->addHTML( '<!-- bad title "' . htmlspecialchars( $s->wl_title ) . '" in namespace ' . IntVal( $s->wl_namespace ) . " -->\n" );
 109                         } else {
 110                                 $t = $t->getPrefixedText();
 111                                 $wgOut->addHTML( "<li><input type='checkbox' name='id[]' value=\"" . htmlspecialchars($t) . "\" />" .
 112                                         $sk->makeLink( $t, $t ) .
 113                                         "</li>\n" );
 114                         }
 115                 }
 116                 $wgOut->addHTML( "</ul>\n" .
 117                         "<input type='submit' name='remove' value='" .
 118                         wfMsg( "removechecked" ) . "' />\n" .
 119                         "</form>\n" );
 120
 121                 return;
 122         }
 123
 124         # If the watchlist is relatively short, it's simplest to zip
 125         # down its entirety and then sort the results.
 126
 127         # If it's relatively long, it may be worth our while to zip
 128         # through the time-sorted page list checking for watched items.
 129
 130         # Up estimate of watched items by 15% to compensate for talk pages...
 131         if( $cutoff && ( $nitems*1.15 > $npages ) ) {
 132                 $x = "cur_timestamp";
 133                 $y = wfMsg( "watchmethod-recent" );
 134                 $z = "wl_namespace=cur_namespace&65534";
 135         } else {
 136                 $x = "name_title_timestamp";
 137                 $y = wfMsg( "watchmethod-list" );
 138                 $z = "(wl_namespace=cur_namespace OR wl_namespace+1=cur_namespace)";
 139         }
 140
 141
 142         $wgOut->addHTML( "<i>" . wfMsg( "watchdetails",
 143                 $wgLang->formatNum( $nitems ), $wgLang->formatNum( $npages ), $y,
 144                 $specialTitle->escapeLocalUrl( "magic=yes" ) ) . "</i><br />\n" );
 145
 146         $use_index = $dbr->useIndexClause( $x );
 147         $sql = "SELECT
 148   cur_namespace,cur_title,cur_comment, cur_id,
 149   cur_user,cur_user_text,cur_timestamp,cur_minor_edit,cur_is_new
 150   FROM $watchlist,$cur $use_index
 151   WHERE wl_user=$uid
 152   AND $z
 153   AND wl_title=cur_title
 154   $docutoff
 155   ORDER BY cur_timestamp DESC";
 156
 157
 158         $res = $dbr->query( $sql, $fname );
 159
 160         if($days >= 1)
 161                 $note = wfMsg( "rcnote", $wgLang->formatNum( $limit ), $wgLang->formatNum( $days ) );
 162         elseif($days > 0)
 163                 $note = wfMsg( "wlnote", $wgLang->formatNum( $limit ), $wgLang->formatNum( round($days*24) ) );
 164         else
 165                 $note = "";
 166         $wgOut->addHTML( "\n<hr />\n{$note}\n<br />" );
 167         $note = wlCutoffLinks( $days, $limit );
 168         $wgOut->addHTML( "{$note}\n" );
 169
 170         if ( $dbr->numRows( $res ) == 0 ) {
 171                 $wgOut->addHTML( "<p><i>" . wfMsg( "watchnochange" ) . "</i></p>" );
 172                 return;
 173         }
 174
 175         $sk = $wgUser->getSkin();
 176         $s = $sk->beginRecentChangesList();
 177         $counter = 1;
 178         while ( $obj = $dbr->fetchObject( $res ) ) {
 179                 # Make fake RC entry
 180                 $rc = RecentChange::newFromCurRow( $obj );
 181                 $rc->counter = $counter++;
 182                 $s .= $sk->recentChangesLine( $rc, true );
 183         }
 184         $s .= $sk->endRecentChangesList();
 185
 186         $dbr->freeResult( $res );
 187         $wgOut->addHTML( $s );
 188
 189         if ( $wgUseWatchlistCache ) {
 190                 $wgMemc->set( $memckey, $s, $wgWLCacheTimeout);
 191         }
 192
 193 }
 194
 195
 196 function wlHoursLink( $h, $page ) {
 197         global $wgUser, $wgLang;
 198         $sk = $wgUser->getSkin();
 199         $s = $sk->makeKnownLink(
 200           $wgLang->specialPage( $page ),
 201           $wgLang->formatNum( $h ),
 202           "days=" . ($h / 24.0) );
 203         return $s;
 204 }
 205
 206
 207 function wlDaysLink( $d, $page ) {
 208         global $wgUser, $wgLang;
 209         $sk = $wgUser->getSkin();
 210         $s = $sk->makeKnownLink(
 211           $wgLang->specialPage( $page ),
 212           ($d ? $wgLang->formatNum( $d ) : wfMsg( "all" ) ), "days=$d" );
 213         return $s;
 214 }
 215
 216 function wlCutoffLinks( $days, $limit, $page = "Watchlist" )
 217 {
 218         $hours = array( 1, 2, 6, 12 );
 219         $days = array( 1, 3, 7 );
 220         $cl = "";
 221         $i = 0;
 222         foreach( $hours as $h ) {
 223                 $hours[$i++] = wlHoursLink( $h, $page );
 224         }
 225         $i = 0;
 226         foreach( $days as $d ) {
 227                 $days[$i++] = wlDaysLink( $d, $page );
 228         }
 229         return wfMsg ("wlshowlast",
 230                 implode(" | ", $hours),
 231                 implode(" | ", $days),
 232                 wlDaysLink( 0, $page ) );
 233 }
 234
 235 ?>