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, $wgLoadBalancer;
   8         global $wgUseWatchlistCache, $wgWLCacheTimeout, $wgDBname, $wgIsMySQL;
   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         $wgLoadBalancer->force(-1);
  55         $sql = "SELECT COUNT(*) AS n FROM watchlist WHERE wl_user=$uid";
  56         $res = wfQuery( $sql, DB_READ );
  57         $s = wfFetchObject( $res );
  58         $nitems = $s->n;
  59         $wgLoadBalancer->force(0);
  60         if($nitems == 0) {
  61         $wgOut->addHTML( wfMsg( "nowatchlist" ) );
  62         return;
  63         }
  64
  65         $wgLoadBalancer->force(-1);
  66
  67         if ( ! isset( $days ) ) {
  68                 $big = 1000;
  69                 if($nitems > $big) {
  70                         # Set default cutoff shorter
  71                         $days = (12.0 / 24.0); # 12 hours...
  72                 } else {
  73                         $days = 3; # longer cutoff for shortlisters
  74                 }
  75         } else {
  76                 $days = floatval($days);
  77         }
  78
  79         if ( $days <= 0 ) {
  80                 $docutoff = '';
  81                 $cutoff = false;
  82                 $npages = wfMsg( "all" );
  83         } else {
  84                 $docutoff = "AND cur_timestamp > '" .
  85                   ( $cutoff = wfUnix2Timestamp( time() - intval( $days * 86400 ) ) )
  86                   . "'";
  87                 $sql = "SELECT COUNT(*) AS n FROM cur WHERE cur_timestamp>'$cutoff'";
  88                 $res = wfQuery( $sql, DB_READ );
  89                 $s = wfFetchObject( $res );
  90                 $npages = $s->n;
  91
  92         }
  93
  94         if(isset($_REQUEST['magic'])) {
  95                 $wgOut->addHTML( wfMsg( "watchlistcontains", $wgLang->formatNum( $nitems ) ) .
  96                         "<p>" . wfMsg( "watcheditlist" ) . "</p>\n" );
  97
  98                 $wgOut->addHTML( "<form action='" .
  99                         $specialTitle->escapeLocalUrl( "action=submit" ) .
 100                         "' method='post'>\n" .
 101                         "<ul>\n" );
 102                 $sql = "SELECT wl_namespace,wl_title FROM watchlist WHERE wl_user=$uid";
 103                 $res = wfQuery( $sql, DB_READ );
 104                 global $wgUser, $wgLang;
 105                 $sk = $wgUser->getSkin();
 106                 while( $s = wfFetchObject( $res ) ) {
 107                         $t = Title::makeTitle( $s->wl_namespace, $s->wl_title );
 108                         if( is_null( $t ) ) {
 109                                 $wgOut->addHTML( '<!-- bad title "' . htmlspecialchars( $s->wl_title ) . '" in namespace ' . IntVal( $s->wl_namespace ) . " -->\n" );
 110                         } else {
 111                                 $t = $t->getPrefixedText();
 112                                 $wgOut->addHTML( "<li><input type='checkbox' name='id[]' value=\"" . htmlspecialchars($t) . "\" />" .
 113                                         $sk->makeKnownLink( $t, $t ) .
 114                                         "</li>\n" );
 115                         }
 116                 }
 117                 $wgOut->addHTML( "</ul>\n" .
 118                         "<input type='submit' name='remove' value='" .
 119                         wfMsg( "removechecked" ) . "' />\n" .
 120                         "</form>\n" );
 121
 122                 $wgLoadBalancer->force(0);
 123                 return;
 124         }
 125
 126         # If the watchlist is relatively short, it's simplest to zip
 127         # down its entirety and then sort the results.
 128
 129         # If it's relatively long, it may be worth our while to zip
 130         # through the time-sorted page list checking for watched items.
 131
 132         # Up estimate of watched items by 15% to compensate for talk pages...
 133         if( $cutoff && ( $nitems*1.15 > $npages ) ) {
 134                 $x = "cur_timestamp";
 135                 $y = wfMsg( "watchmethod-recent" );
 136                 $z = "wl_namespace=cur_namespace&65534";
 137         } else {
 138                 $x = "name_title_timestamp";
 139                 $y = wfMsg( "watchmethod-list" );
 140                 $z = "(wl_namespace=cur_namespace OR wl_namespace+1=cur_namespace)";
 141         }
 142
 143
 144         $wgOut->addHTML( "<i>" . wfMsg( "watchdetails",
 145                 $wgLang->formatNum( $nitems ), $wgLang->formatNum( $npages ), $y,
 146                 $specialTitle->escapeLocalUrl( "magic=yes" ) ) . "</i><br />\n" );
 147
 148         $use_index=$wgIsMySQL?"USE INDEX ($x)":"";
 149         $sql = "SELECT
 150   cur_namespace,cur_title,cur_comment, cur_id,
 151   cur_user,cur_user_text,cur_timestamp,cur_minor_edit,cur_is_new
 152   FROM watchlist,cur $use_index
 153   WHERE wl_user=$uid
 154   AND $z
 155   AND wl_title=cur_title
 156   $docutoff
 157   ORDER BY cur_timestamp DESC";
 158
 159
 160         $res = wfQuery( $sql, DB_READ, $fname );
 161
 162         if($days >= 1)
 163                 $note = wfMsg( "rcnote", $wgLang->formatNum( $limit ), $wgLang->formatNum( $days ) );
 164         elseif($days > 0)
 165                 $note = wfMsg( "wlnote", $wgLang->formatNum( $limit ), $wgLang->formatNum( round($days*24) ) );
 166         else
 167                 $note = "";
 168         $wgOut->addHTML( "\n<hr />\n{$note}\n<br />" );
 169         $note = wlCutoffLinks( $days, $limit );
 170         $wgOut->addHTML( "{$note}\n" );
 171
 172         if ( wfNumRows( $res ) == 0 ) {
 173                 $wgOut->addHTML( "<p><i>" . wfMsg( "watchnochange" ) . "</i></p>" );
 174                 $wgLoadBalancer->force(0);
 175                 return;
 176         }
 177
 178         $sk = $wgUser->getSkin();
 179         $s = $sk->beginRecentChangesList();
 180         $counter = 1;
 181         while ( $obj = wfFetchObject( $res ) ) {
 182                 # Make fake RC entry
 183                 $rc = RecentChange::newFromCurRow( $obj );
 184                 $rc->counter = $counter++;
 185                 $s .= $sk->recentChangesLine( $rc, true );
 186         }
 187         $s .= $sk->endRecentChangesList();
 188
 189         wfFreeResult( $res );
 190         $wgOut->addHTML( $s );
 191
 192         if ( $wgUseWatchlistCache ) {
 193                 $wgMemc->set( $memckey, $s, $wgWLCacheTimeout);
 194         }
 195
 196         $wgLoadBalancer->force(0);
 197 }
 198
 199
 200 function wlHoursLink( $h, $page ) {
 201         global $wgUser, $wgLang;
 202         $sk = $wgUser->getSkin();
 203         $s = $sk->makeKnownLink(
 204           $wgLang->specialPage( $page ),
 205           $wgLang->formatNum( $h ),
 206           "days=" . ($h / 24.0) );
 207         return $s;
 208 }
 209
 210
 211 function wlDaysLink( $d, $page ) {
 212         global $wgUser, $wgLang;
 213         $sk = $wgUser->getSkin();
 214         $s = $sk->makeKnownLink(
 215           $wgLang->specialPage( $page ),
 216           ($d ? $wgLang->formatNum( $d ) : wfMsg( "all" ) ), "days=$d" );
 217         return $s;
 218 }
 219
 220 function wlCutoffLinks( $days, $limit, $page = "Watchlist" )
 221 {
 222         $hours = array( 1, 2, 6, 12 );
 223         $days = array( 1, 3, 7 );
 224         $cl = "";
 225         $i = 0;
 226         foreach( $hours as $h ) {
 227                 $hours[$i++] = wlHoursLink( $h, $page );
 228         }
 229         $i = 0;
 230         foreach( $days as $d ) {
 231                 $days[$i++] = wlDaysLink( $d, $page );
 232         }
 233         return wfMsg ("wlshowlast",
 234                 implode(" | ", $hours),
 235                 implode(" | ", $days),
 236                 wlDaysLink( 0, $page ) );
 237 }
 238
 239 ?>