includes/SpecialWatchlist.php

   1 <?
   2 include_once( "SpecialRecentchanges.php" );
   3 include_once( "WatchedItem.php" );
   4
   5 function wfSpecialWatchlist()
   6 {
   7         global $wgUser, $wgOut, $wgLang, $wgTitle;
   8         global $days, $limit, $target; # From query string
   9         $fname = "wfSpecialWatchlist";
  10
  11         $wgOut->setPagetitle( wfMsg( "watchlist" ) );
  12         $sub = wfMsg( "watchlistsub", $wgUser->getName() );
  13         $wgOut->setSubtitle( $sub );
  14         $wgOut->setRobotpolicy( "noindex,nofollow" );
  15
  16         $uid = $wgUser->getID();
  17         if( $uid == 0 ) {
  18                 $wgOut->addHTML( wfMsg( "nowatchlist" ) );
  19                 return;
  20         }
  21
  22         global $action,$remove,$id;
  23         if(($action == "submit") && isset($remove) && is_array($id)) {
  24                 $wgOut->addHTML( wfMsg( "removingchecked" ) );
  25                 foreach($id as $one) {
  26                         $t = Title::newFromURL( $one );
  27                         if($t->getDBkey() != "") {
  28                                 $wl = WatchedItem::fromUserTitle( $wgUser, $t );
  29                                 if( $wl->removeWatch() === false ) {
  30                                         $wgOut->addHTML( "<br />\n" . wfMsg( "couldntremove", htmlspecialchars($one) ) );
  31                                 } else {
  32                                         $wgOut->addHTML( " (" . htmlspecialchars($one) . ")" );
  33                                 }
  34                         } else {
  35                                 $wgOut->addHTML( "<br />\n" . wfMsg( "iteminvalidname", htmlspecialchars($one) ) );
  36                         }
  37                 }
  38                 $wgOut->addHTML( "done.\n<p>" );
  39         }
  40
  41         $sql = "SELECT COUNT(*) AS n FROM watchlist WHERE wl_user=$uid";
  42         $res = wfQuery( $sql, DB_READ );
  43         $s = wfFetchObject( $res );
  44         $nitems = $s->n;
  45
  46         if($nitems == 0) {
  47         $wgOut->addHTML( wfMsg( "nowatchlist" ) );
  48         return;
  49         }
  50
  51         if ( ! isset( $days ) ) {
  52                 $big = 250;
  53                 if($nitems > $big) {
  54                         # Set default cutoff shorter
  55                         $days = (1.0 / 24.0); # 1 hour...
  56                 } else {
  57                         $days = 0; # no time cutoff for shortlisters
  58                 }
  59         } else {
  60                 $days = floatval($days);
  61         }
  62
  63         if ( $days <= 0 ) {
  64                 $docutoff = '';
  65                 $cutoff = false;
  66                 $npages = wfMsg( "all" );
  67         } else {
  68                 $docutoff = "AND cur_timestamp > '" .
  69                   ( $cutoff = wfUnix2Timestamp( time() - intval( $days * 86400 ) ) )
  70                   . "'";
  71                 $sql = "SELECT COUNT(*) AS n FROM cur WHERE cur_timestamp>'$cutoff'";
  72                 $res = wfQuery( $sql, DB_READ );
  73                 $s = wfFetchObject( $res );
  74                 $npages = $s->n;
  75         }
  76
  77         if(isset($_REQUEST['magic'])) {
  78                 $wgOut->addHTML( wfMsg( "watchlistcontains", $nitems ) .
  79                         "<p>" . wfMsg( "watcheditlist" ) . "</p>\n" );
  80
  81                 $wgOut->addHTML( "<form action='" .
  82                         wfLocalUrl( $wgLang->specialPage( "Watchlist" ), "action=submit" ) .
  83                         "' method='post'>\n" .
  84                         "<ul>\n" );
  85                 $sql = "SELECT wl_namespace,wl_title FROM watchlist WHERE wl_user=$uid";
  86                 $res = wfQuery( $sql, DB_READ );
  87                 global $wgUser, $wgLang;
  88                 $sk = $wgUser->getSkin();
  89                 while( $s = wfFetchObject( $res ) ) {
  90                         $t = Title::makeTitle( $s->wl_namespace, $s->wl_title );
  91                         $t = $t->getPrefixedText();
  92                         $wgOut->addHTML( "<li><input type='checkbox' name='id[]' value=\"" . htmlspecialchars($t) . "\">" .
  93                                 $sk->makeKnownLink( $t, $t ) .
  94                                 "</li>\n" );
  95                 }
  96                 $wgOut->addHTML( "</ul>\n" .
  97                         "<input type='submit' name='remove' value='" .
  98                         wfMsg( "removechecked" ) . "'>\n" .
  99                         "</form>\n" );
 100
 101                 return;
 102         }
 103
 104         # If the watchlist is relatively short, it's simplest to zip
 105         # down its entirety and then sort the results.
 106
 107         # If it's relatively long, it may be worth our while to zip
 108         # through the time-sorted page list checking for watched items.
 109
 110         # Up estimate of watched items by 15% to compensate for talk pages...
 111         if( $cutoff && ( $nitems*1.15 > $npages ) ) {
 112                 $x = "cur_timestamp";
 113                 $y = wfMsg( "watchmethod-recent" );
 114                 $z = "wl_namespace=cur_namespace&65534";
 115         } else {
 116                 $x = "name_title_timestamp";
 117                 $y = wfMsg( "watchmethod-list" );
 118                 $z = "(wl_namespace=cur_namespace OR wl_namespace+1=cur_namespace)";
 119         }
 120
 121         $wgOut->addHTML( "<i>" . wfMsg( "watchdetails", $nitems, $npages, $y,
 122                 wfLocalUrl( $wgLang->specialPage("Watchlist"),"magic=yes" ) ) . "</i><br>\n" );
 123
 124
 125         $sql = "SELECT
 126   cur_namespace,cur_title,cur_comment,
 127   cur_user,cur_user_text,cur_timestamp,cur_minor_edit,cur_is_new
 128   FROM watchlist,cur USE INDEX ($x)
 129   WHERE wl_user=$uid
 130   AND $z
 131   AND wl_title=cur_title
 132   $docutoff
 133   ORDER BY cur_timestamp DESC";
 134
 135
 136         $res = wfQuery( $sql, DB_READ, $fname );
 137
 138         if($days >= 1)
 139                 $note = wfMsg( "rcnote", $limit, $days );
 140         elseif($days > 0)
 141                 $note = wfMsg( "wlnote", $limit, round($days*24) );
 142         else
 143                 $note = "";
 144         $wgOut->addHTML( "\n<hr>\n{$note}\n<br>" );
 145         $note = wlCutoffLinks( $days, $limit );
 146         $wgOut->addHTML( "{$note}\n" );
 147
 148         if ( wfNumRows( $res ) == 0 ) {
 149                 $wgOut->addHTML( "<p><i>" . wfMsg( "watchnochange" ) . "</i></p>" );
 150                 return;
 151         }
 152
 153         $sk = $wgUser->getSkin();
 154         $s = $sk->beginRecentChangesList();
 155
 156         while ( $obj = wfFetchObject( $res ) ) {
 157                 $ts = $obj->cur_timestamp;
 158                 $u = $obj->cur_user;
 159                 $ut = $obj->cur_user_text;
 160                 $ns = $obj->cur_namespace;
 161                 $ttl = $obj->cur_title;
 162                 $com = $obj->cur_comment;
 163                 $me = ( $obj->cur_minor_edit > 0 );
 164                 $new = ( $obj->cur_is_new  > 0 );
 165                 $watched = true;
 166
 167                 $s .= $sk->recentChangesLine( $ts, $u, $ut, $ns, $ttl, $com, $me, $new, $watched );
 168         }
 169         $s .= $sk->endRecentChangesList();
 170
 171         wfFreeResult( $res );
 172         $wgOut->addHTML( $s );
 173 }
 174
 175
 176 function wlHoursLink( $h, $page ) {
 177         global $wgUser, $wgLang;
 178         $sk = $wgUser->getSkin();
 179         $s = $sk->makeKnownLink(
 180           $wgLang->specialPage( $page ),
 181           $h, "days=" . ($h / 24.0) );
 182         return $s;
 183 }
 184
 185
 186 function wlDaysLink( $d, $page ) {
 187         global $wgUser, $wgLang;
 188         $sk = $wgUser->getSkin();
 189         $s = $sk->makeKnownLink(
 190           $wgLang->specialPage( $page ),
 191           ($d ? $d : wfMsg( "all" ) ), "days=$d" );
 192         return $s;
 193 }
 194
 195 function wlCutoffLinks( $days, $limit, $page = "Watchlist" )
 196 {
 197         $hours = array( 1, 2, 6, 12 );
 198         $days = array( 1, 3, 7 );
 199         $cl = "";
 200         $i = 0;
 201         foreach( $hours as $h ) {
 202                 $hours[$i++] = wlHoursLink( $h, $page );
 203         }
 204         $i = 0;
 205         foreach( $days as $d ) {
 206                 $days[$i++] = wlDaysLink( $d, $page );
 207         }
 208         return wfMsg ("wlshowlast",
 209                 implode(" | ", $hours),
 210                 implode(" | ", $days),
 211                 wlDaysLink( 0, $page ) );
 212 }
 213
 214 ?>