includes/specials/SpecialStatistics.php

   1 <?php
   2
   3 /**
   4  * Special page lists various statistics, including the contents of
   5  * `site_stats`, plus page view details if enabled
   6  *
   7  * @file
   8  * @ingroup SpecialPage
   9  */
  10
  11 /**
  12  * Show the special page
  13  *
  14  * @param mixed $par (not used)
  15  */
  16 class SpecialStatistics extends SpecialPage {
  17
  18         private $views, $edits, $good, $images, $total, $users,
  19                         $activeUsers, $admins, $numJobs = 0;
  20
  21         public function __construct() {
  22                 parent::__construct( 'Statistics' );
  23         }
  24
  25         public function execute( $par ) {
  26                 global $wgOut, $wgRequest, $wgMessageCache;
  27                 global $wgDisableCounters, $wgMiserMode;
  28                 $wgMessageCache->loadAllMessages();
  29
  30                 $this->setHeaders();
  31
  32                 $this->views = SiteStats::views();
  33                 $this->edits = SiteStats::edits();
  34                 $this->good = SiteStats::articles();
  35                 $this->images = SiteStats::images();
  36                 $this->total = SiteStats::pages();
  37                 $this->users = SiteStats::users();
  38                 $this->activeUsers = SiteStats::activeUsers();
  39                 $this->admins = SiteStats::numberingroup('sysop');
  40                 $this->numJobs = SiteStats::jobs();
  41
  42                 # Staticic - views
  43                 $viewsStats = '';
  44                 if( !$wgDisableCounters ) {
  45                         $viewsStats = $this->getViewsStats();
  46                 }
  47
  48                 # Set active user count
  49                 if( !$wgMiserMode ) {
  50                         $dbw = wfGetDB( DB_MASTER );
  51                         SiteStatsUpdate::cacheUpdate( $dbw );
  52                 }
  53
  54                 # Do raw output
  55                 if( $wgRequest->getVal( 'action' ) == 'raw' ) {
  56                         $this->doRawOutput();
  57                 }
  58
  59                 $text = Xml::openElement( 'table', array( 'class' => 'mw-statistics-table' ) );
  60
  61                 # Statistic - pages
  62                 $text .= $this->getPageStats();
  63
  64                 # Statistic - edits
  65                 $text .= $this->getEditStats();
  66
  67                 # Statistic - users
  68                 $text .= $this->getUserStats();
  69
  70                 # Statistic - usergroups
  71                 $text .= $this->getGroupStats();
  72                 $text .= $viewsStats;
  73
  74                 # Statistic - popular pages
  75                 if( !$wgDisableCounters && !$wgMiserMode ) {
  76                         $text .= $this->getMostViewedPages();
  77                 }
  78
  79                 $text .= Xml::closeElement( 'table' );
  80
  81                 # Customizable footer
  82                 $footer = wfMsgExt( 'statistics-footer', array('parseinline') );
  83                 if( !wfEmptyMsg( 'statistics-footer', $footer ) && $footer != '' ) {
  84                         $text .= "\n" . $footer;
  85                 }
  86
  87                 $wgOut->addHTML( $text );
  88         }
  89
  90         /**
  91          * Format a row
  92          * @param string $text description of the row
  93          * @param float $number a number
  94          * @param array $trExtraParams
  95          * @param string $descMsg
  96          * @param string $descMsgParam
  97          * @return string table row in HTML format
  98          */
  99         private function formatRow( $text, $number, $trExtraParams = array(), $descMsg = '', $descMsgParam = '' ) {
 100                 global $wgStylePath;
 101                 if( $descMsg ) {
 102                         $descriptionText = wfMsgExt( $descMsg, array( 'parseinline' ), $descMsgParam );
 103                         if ( !wfEmptyMsg( $descMsg, $descriptionText ) ) {
 104                                 $descriptionText = " ($descriptionText)";
 105                                 $text .= "<br />" . Xml::element( 'small', array( 'class' => 'mw-statistic-desc'),
 106                                         $descriptionText );
 107                         }
 108                 }
 109                 return Xml::openElement( 'tr', $trExtraParams ) .
 110                         Xml::openElement( 'td' ) . $text . Xml::closeElement( 'td' ) .
 111                         Xml::openElement( 'td', array( 'class' => 'mw-statistics-numbers' ) ) . $number . Xml::closeElement( 'td' ) .
 112                         Xml::closeElement( 'tr' );
 113         }
 114
 115         /**
 116          * Each of these methods is pretty self-explanatory, get a particular
 117          * row for the table of statistics
 118          * @return string
 119          */
 120         private function getPageStats() {
 121                 global $wgLang;
 122                 return Xml::openElement( 'tr' ) .
 123                         Xml::tags( 'th', array( 'colspan' => '2' ), wfMsgExt( 'statistics-header-pages', array( 'parseinline' ) ) ) .
 124                         Xml::closeElement( 'tr' ) .
 125                                 $this->formatRow( wfMsgExt( 'statistics-articles', array( 'parseinline' ) ),
 126                                                 $wgLang->formatNum( $this->good ),
 127                                                 array( 'class' => 'mw-statistics-articles' ) ) .
 128                                 $this->formatRow( wfMsgExt( 'statistics-pages', array( 'parseinline' ) ),
 129                                                 $wgLang->formatNum( $this->total ),
 130                                                 array( 'class' => 'mw-statistics-pages' ),
 131                                                 'statistics-pages-desc' ) .
 132                                 $this->formatRow( wfMsgExt( 'statistics-files', array( 'parseinline' ) ),
 133                                                 $wgLang->formatNum( $this->images ),
 134                                                 array( 'class' => 'mw-statistics-files' ) );
 135         }
 136         private function getEditStats() {
 137                 global $wgLang;
 138                 return Xml::openElement( 'tr' ) .
 139                         Xml::tags( 'th', array( 'colspan' => '2' ), wfMsgExt( 'statistics-header-edits', array( 'parseinline' ) ) ) .
 140                         Xml::closeElement( 'tr' ) .
 141                                 $this->formatRow( wfMsgExt( 'statistics-edits', array( 'parseinline' ) ),
 142                                                 $wgLang->formatNum( $this->edits ),
 143                                                 array( 'class' => 'mw-statistics-edits' ) ) .
 144                                 $this->formatRow( wfMsgExt( 'statistics-edits-average', array( 'parseinline' ) ),
 145                                                 $wgLang->formatNum( sprintf( '%.2f', $this->total ? $this->edits / $this->total : 0 ) ),
 146                                                 array( 'class' => 'mw-statistics-edits-average' ) ) .
 147                                 $this->formatRow( wfMsgExt( 'statistics-jobqueue', array( 'parseinline' ) ),
 148                                                 $wgLang->formatNum( $this->numJobs ),
 149                                                 array( 'class' => 'mw-statistics-jobqueue' ) );
 150         }
 151         private function getUserStats() {
 152                 global $wgLang, $wgRCMaxAge;
 153                 return Xml::openElement( 'tr' ) .
 154                         Xml::tags( 'th', array( 'colspan' => '2' ), wfMsgExt( 'statistics-header-users', array( 'parseinline' ) ) ) .
 155                         Xml::closeElement( 'tr' ) .
 156                                 $this->formatRow( wfMsgExt( 'statistics-users', array( 'parseinline' ) ),
 157                                                 $wgLang->formatNum( $this->users ),
 158                                                 array( 'class' => 'mw-statistics-users' ) ) .
 159                                 $this->formatRow( wfMsgExt( 'statistics-users-active', array( 'parseinline' ) ),
 160                                                 $wgLang->formatNum( $this->activeUsers ),
 161                                                 array( 'class' => 'mw-statistics-users-active' ),
 162                                                 'statistics-users-active-desc',
 163                                                 $wgLang->formatNum( ceil( $wgRCMaxAge / ( 3600 * 24 ) ) ) );
 164         }
 165         private function getGroupStats() {
 166                 global $wgGroupPermissions, $wgImplicitGroups, $wgLang, $wgUser;
 167                 $sk = $wgUser->getSkin();
 168                 $text = '';
 169                 foreach( $wgGroupPermissions as $group => $permissions ) {
 170                         # Skip generic * and implicit groups
 171                         if ( in_array( $group, $wgImplicitGroups ) || $group == '*' ) {
 172                                 continue;
 173                         }
 174                         $groupname = htmlspecialchars( $group );
 175                         $msg = wfMsg( 'group-' . $groupname );
 176                         if ( wfEmptyMsg( 'group-' . $groupname, $msg ) || $msg == '' ) {
 177                                 $groupnameLocalized = $groupname;
 178                         } else {
 179                                 $groupnameLocalized = $msg;
 180                         }
 181                         $msg = wfMsgForContent( 'grouppage-' . $groupname );
 182                         if ( wfEmptyMsg( 'grouppage-' . $groupname, $msg ) || $msg == '' ) {
 183                                 $grouppageLocalized = MWNamespace::getCanonicalName( NS_PROJECT ) . ':' . $groupname;
 184                         } else {
 185                                 $grouppageLocalized = $msg;
 186                         }
 187                         $grouppage = $sk->makeLink( $grouppageLocalized, htmlspecialchars( $groupnameLocalized ) );
 188                         $grouplink = $sk->link( SpecialPage::getTitleFor( 'Listusers' ),
 189                                 wfMsgHtml( 'listgrouprights-members' ),
 190                                 array(),
 191                                 array( 'group' => $group ),
 192                                 'known' );
 193                                 # Add a class when a usergroup contains no members to allow hiding these rows
 194                         $classZero = '';
 195                         $countUsers = SiteStats::numberingroup( $groupname );
 196                         if( $countUsers == 0 ) {
 197                                 $classZero = ' statistics-group-zero';
 198                         }
 199                         $text .= $this->formatRow( $grouppage . ' ' . $grouplink,
 200                                 $wgLang->formatNum( $countUsers ),
 201                                 array( 'class' => 'statistics-group-' . Sanitizer::escapeClass( $group ) . $classZero )  );
 202                 }
 203                 return $text;
 204         }
 205         private function getViewsStats() {
 206                 global $wgLang;
 207                 return Xml::openElement( 'tr' ) .
 208                         Xml::tags( 'th', array( 'colspan' => '2' ), wfMsgExt( 'statistics-header-views', array( 'parseinline' ) ) ) .
 209                         Xml::closeElement( 'tr' ) .
 210                                 $this->formatRow( wfMsgExt( 'statistics-views-total', array( 'parseinline' ) ),
 211                                         $wgLang->formatNum( $this->views ),
 212                                                 array ( 'class' => 'mw-statistics-views-total' ) ) .
 213                                 $this->formatRow( wfMsgExt( 'statistics-views-peredit', array( 'parseinline' ) ),
 214                                         $wgLang->formatNum( sprintf( '%.2f', $this->edits ?
 215                                                 $this->views / $this->edits : 0 ) ),
 216                                                 array ( 'class' => 'mw-statistics-views-peredit' ) );
 217         }
 218         private function getMostViewedPages() {
 219                 global $wgLang, $wgUser;
 220                 $text = '';
 221                 $dbr = wfGetDB( DB_SLAVE );
 222                 $sk = $wgUser->getSkin();
 223                 $res = $dbr->select(
 224                                 'page',
 225                                 array(
 226                                         'page_namespace',
 227                                         'page_title',
 228                                         'page_counter',
 229                                 ),
 230                                 array(
 231                                         'page_is_redirect' => 0,
 232                                         'page_counter > 0',
 233                                 ),
 234                                 __METHOD__,
 235                                 array(
 236                                         'ORDER BY' => 'page_counter DESC',
 237                                         'LIMIT' => 10,
 238                                 )
 239                         );
 240                         if( $res->numRows() > 0 ) {
 241                                 $text .= Xml::tags( 'th', array( 'colspan' => '2' ), wfMsgExt( 'statistics-mostpopular', array( 'parseinline' ) ) );
 242                                 while( $row = $res->fetchObject() ) {
 243                                         $title = Title::makeTitleSafe( $row->page_namespace, $row->page_title );
 244                                         if( $title instanceof Title ) {
 245                                                 $text .= $this->formatRow( $sk->link( $title ),
 246                                                                 $wgLang->formatNum( $row->page_counter ) );
 247
 248                                         }
 249                                 }
 250                                 $res->free();
 251                         }
 252                 return $text;
 253         }
 254
 255         /**
 256          * Do the action=raw output for this page. Legacy, but we support
 257          * it for backwards compatibility
 258          * http://lists.wikimedia.org/pipermail/wikitech-l/2008-August/039202.html
 259          */
 260         private function doRawOutput() {
 261                 global $wgOut;
 262                 $wgOut->disable();
 263                 header( 'Pragma: nocache' );
 264                 echo "total=" . $this->total . ";good=" . $this->good . ";views=" .
 265                                 $this->views . ";edits=" . $this->edits . ";users=" . $this->users . ";";
 266                 echo "activeusers=" . $this->activeUsers . ";admins=" . $this->admins .
 267                                 ";images=" . $this->images . ";jobs=" . $this->numJobs . "\n";
 268                 return;
 269         }
 270 }