includes/specials/SpecialStatistics.php

   1 <?php
   2 /**
   3  * Implements Special:Statistics
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup SpecialPage
  22  */
  23
  24 /**
  25  * Special page lists various statistics, including the contents of
  26  * `site_stats`, plus page view details if enabled
  27  *
  28  * @ingroup SpecialPage
  29  */
  30 class SpecialStatistics extends SpecialPage {
  31
  32         private $views, $edits, $good, $images, $total, $users,
  33                         $activeUsers, $admins, $numJobs = 0;
  34
  35         public function __construct() {
  36                 parent::__construct( 'Statistics' );
  37         }
  38
  39         public function execute( $par ) {
  40                 global $wgOut, $wgRequest, $wgMemc;
  41                 global $wgDisableCounters, $wgMiserMode;
  42
  43                 $this->setHeaders();
  44
  45                 $this->views = SiteStats::views();
  46                 $this->edits = SiteStats::edits();
  47                 $this->good = SiteStats::articles();
  48                 $this->images = SiteStats::images();
  49                 $this->total = SiteStats::pages();
  50                 $this->users = SiteStats::users();
  51                 $this->activeUsers = SiteStats::activeUsers();
  52                 $this->admins = SiteStats::numberingroup('sysop');
  53                 $this->numJobs = SiteStats::jobs();
  54                 $this->hook = '';
  55
  56                 # Staticic - views
  57                 $viewsStats = '';
  58                 if( !$wgDisableCounters ) {
  59                         $viewsStats = $this->getViewsStats();
  60                 }
  61
  62                 # Set active user count
  63                 if( !$wgMiserMode ) {
  64                         $key = wfMemcKey( 'sitestats', 'activeusers-updated' );
  65                         // Re-calculate the count if the last tally is old...
  66                         if( !$wgMemc->get($key) ) {
  67                                 $dbw = wfGetDB( DB_MASTER );
  68                                 SiteStatsUpdate::cacheUpdate( $dbw );
  69                                 $wgMemc->set( $key, '1', 24*3600 ); // don't update for 1 day
  70                         }
  71                 }
  72
  73                 # Do raw output
  74                 if( $wgRequest->getVal( 'action' ) == 'raw' ) {
  75                         $this->doRawOutput();
  76                 }
  77
  78                 $text = Xml::openElement( 'table', array( 'class' => 'wikitable mw-statistics-table' ) );
  79
  80                 # Statistic - pages
  81                 $text .= $this->getPageStats();
  82
  83                 # Statistic - edits
  84                 $text .= $this->getEditStats();
  85
  86                 # Statistic - users
  87                 $text .= $this->getUserStats();
  88
  89                 # Statistic - usergroups
  90                 $text .= $this->getGroupStats();
  91                 $text .= $viewsStats;
  92
  93                 # Statistic - popular pages
  94                 if( !$wgDisableCounters && !$wgMiserMode ) {
  95                         $text .= $this->getMostViewedPages();
  96                 }
  97
  98                 # Statistic - other
  99                 $extraStats = array();
 100                 if( wfRunHooks( 'SpecialStatsAddExtra', array( &$extraStats ) ) ) {
 101                         $text .= $this->getOtherStats( $extraStats );
 102                 }
 103
 104                 $text .= Xml::closeElement( 'table' );
 105
 106                 # Customizable footer
 107                 $footer = wfMsgExt( 'statistics-footer', array('parseinline') );
 108                 if( !wfEmptyMsg( 'statistics-footer', $footer ) && $footer != '' ) {
 109                         $text .= "\n" . $footer;
 110                 }
 111
 112                 $wgOut->addHTML( $text );
 113         }
 114
 115         /**
 116          * Format a row
 117          * @param $text  String: description of the row
 118          * @param $number  Float: a statistical number
 119          * @param $trExtraParams  Array: params to table row, see Html::elememt
 120          * @param $descMsg  String: message key
 121          * @param $descMsgParam  Array: message params
 122          * @return string table row in HTML format
 123          */
 124         private function formatRow( $text, $number, $trExtraParams = array(), $descMsg = '', $descMsgParam = '' ) {
 125                 if( $descMsg ) {
 126                         $descriptionText = wfMsgExt( $descMsg, array( 'parseinline' ), $descMsgParam );
 127                         if ( !wfEmptyMsg( $descMsg, $descriptionText ) ) {
 128                                 $descriptionText = " ($descriptionText)";
 129                                 $text .= "<br />" . Xml::element( 'small', array( 'class' => 'mw-statistic-desc'),
 130                                         $descriptionText );
 131                         }
 132                 }
 133                 return
 134                 Html::rawElement( 'tr', $trExtraParams,
 135                         Html::rawElement( 'td', array(), $text ) .
 136                         Html::rawElement( 'td', array( 'class' => 'mw-statistics-numbers' ), $number )
 137                 );
 138         }
 139
 140         /**
 141          * Each of these methods is pretty self-explanatory, get a particular
 142          * row for the table of statistics
 143          * @return string
 144          */
 145         private function getPageStats() {
 146                 global $wgLang;
 147                 return Xml::openElement( 'tr' ) .
 148                         Xml::tags( 'th', array( 'colspan' => '2' ), wfMsgExt( 'statistics-header-pages', array( 'parseinline' ) ) ) .
 149                         Xml::closeElement( 'tr' ) .
 150                                 $this->formatRow( wfMsgExt( 'statistics-articles', array( 'parseinline' ) ),
 151                                                 $wgLang->formatNum( $this->good ),
 152                                                 array( 'class' => 'mw-statistics-articles' ) ) .
 153                                 $this->formatRow( wfMsgExt( 'statistics-pages', array( 'parseinline' ) ),
 154                                                 $wgLang->formatNum( $this->total ),
 155                                                 array( 'class' => 'mw-statistics-pages' ),
 156                                                 'statistics-pages-desc' ) .
 157                                 $this->formatRow( wfMsgExt( 'statistics-files', array( 'parseinline' ) ),
 158                                                 $wgLang->formatNum( $this->images ),
 159                                                 array( 'class' => 'mw-statistics-files' ) );
 160         }
 161         private function getEditStats() {
 162                 global $wgLang;
 163                 return Xml::openElement( 'tr' ) .
 164                         Xml::tags( 'th', array( 'colspan' => '2' ), wfMsgExt( 'statistics-header-edits', array( 'parseinline' ) ) ) .
 165                         Xml::closeElement( 'tr' ) .
 166                                 $this->formatRow( wfMsgExt( 'statistics-edits', array( 'parseinline' ) ),
 167                                                 $wgLang->formatNum( $this->edits ),
 168                                                 array( 'class' => 'mw-statistics-edits' ) ) .
 169                                 $this->formatRow( wfMsgExt( 'statistics-edits-average', array( 'parseinline' ) ),
 170                                                 $wgLang->formatNum( sprintf( '%.2f', $this->total ? $this->edits / $this->total : 0 ) ),
 171                                                 array( 'class' => 'mw-statistics-edits-average' ) );
 172         }
 173
 174         private function getUserStats() {
 175                 global $wgLang, $wgUser, $wgActiveUserDays;
 176                 $sk = $wgUser->getSkin();
 177                 return Xml::openElement( 'tr' ) .
 178                         Xml::tags( 'th', array( 'colspan' => '2' ), wfMsgExt( 'statistics-header-users', array( 'parseinline' ) ) ) .
 179                         Xml::closeElement( 'tr' ) .
 180                                 $this->formatRow( wfMsgExt( 'statistics-users', array( 'parseinline' ) ),
 181                                                 $wgLang->formatNum( $this->users ),
 182                                                 array( 'class' => 'mw-statistics-users' ) ) .
 183                                 $this->formatRow( wfMsgExt( 'statistics-users-active', array( 'parseinline' ) ) . ' ' .
 184                                                         $sk->link(
 185                                                                 SpecialPage::getTitleFor( 'Activeusers' ),
 186                                                                 wfMsgHtml( 'listgrouprights-members' ),
 187                                                                 array(),
 188                                                                 array(),
 189                                                                 'known'
 190                                                         ),
 191                                                 $wgLang->formatNum( $this->activeUsers ),
 192                                                 array( 'class' => 'mw-statistics-users-active' ),
 193                                                 'statistics-users-active-desc',
 194                                                 $wgLang->formatNum( $wgActiveUserDays ) );
 195         }
 196         private function getGroupStats() {
 197                 global $wgGroupPermissions, $wgImplicitGroups, $wgLang, $wgUser;
 198                 $sk = $wgUser->getSkin();
 199                 $text = '';
 200                 foreach( $wgGroupPermissions as $group => $permissions ) {
 201                         # Skip generic * and implicit groups
 202                         if ( in_array( $group, $wgImplicitGroups ) || $group == '*' ) {
 203                                 continue;
 204                         }
 205                         $groupname = htmlspecialchars( $group );
 206                         $msg = wfMsg( 'group-' . $groupname );
 207                         if ( wfEmptyMsg( 'group-' . $groupname, $msg ) || $msg == '' ) {
 208                                 $groupnameLocalized = $groupname;
 209                         } else {
 210                                 $groupnameLocalized = $msg;
 211                         }
 212                         $msg = wfMsgForContent( 'grouppage-' . $groupname );
 213                         if ( wfEmptyMsg( 'grouppage-' . $groupname, $msg ) || $msg == '' ) {
 214                                 $grouppageLocalized = MWNamespace::getCanonicalName( NS_PROJECT ) . ':' . $groupname;
 215                         } else {
 216                                 $grouppageLocalized = $msg;
 217                         }
 218                         $linkTarget = Title::newFromText( $grouppageLocalized );
 219                         $grouppage = $sk->link(
 220                                 $linkTarget,
 221                                 htmlspecialchars( $groupnameLocalized )
 222                         );
 223                         $grouplink = $sk->link(
 224                                 SpecialPage::getTitleFor( 'Listusers' ),
 225                                 wfMsgHtml( 'listgrouprights-members' ),
 226                                 array(),
 227                                 array( 'group' => $group ),
 228                                 'known'
 229                         );
 230                         # Add a class when a usergroup contains no members to allow hiding these rows
 231                         $classZero = '';
 232                         $countUsers = SiteStats::numberingroup( $groupname );
 233                         if( $countUsers == 0 ) {
 234                                 $classZero = ' statistics-group-zero';
 235                         }
 236                         $text .= $this->formatRow( $grouppage . ' ' . $grouplink,
 237                                 $wgLang->formatNum( $countUsers ),
 238                                 array( 'class' => 'statistics-group-' . Sanitizer::escapeClass( $group ) . $classZero )  );
 239                 }
 240                 return $text;
 241         }
 242         private function getViewsStats() {
 243                 global $wgLang;
 244                 return Xml::openElement( 'tr' ) .
 245                         Xml::tags( 'th', array( 'colspan' => '2' ), wfMsgExt( 'statistics-header-views', array( 'parseinline' ) ) ) .
 246                         Xml::closeElement( 'tr' ) .
 247                                 $this->formatRow( wfMsgExt( 'statistics-views-total', array( 'parseinline' ) ),
 248                                         $wgLang->formatNum( $this->views ),
 249                                                 array ( 'class' => 'mw-statistics-views-total' ) ) .
 250                                 $this->formatRow( wfMsgExt( 'statistics-views-peredit', array( 'parseinline' ) ),
 251                                         $wgLang->formatNum( sprintf( '%.2f', $this->edits ?
 252                                                 $this->views / $this->edits : 0 ) ),
 253                                                 array ( 'class' => 'mw-statistics-views-peredit' ) );
 254         }
 255         private function getMostViewedPages() {
 256                 global $wgLang, $wgUser;
 257                 $text = '';
 258                 $dbr = wfGetDB( DB_SLAVE );
 259                 $sk = $wgUser->getSkin();
 260                 $res = $dbr->select(
 261                                 'page',
 262                                 array(
 263                                         'page_namespace',
 264                                         'page_title',
 265                                         'page_counter',
 266                                 ),
 267                                 array(
 268                                         'page_is_redirect' => 0,
 269                                         'page_counter > 0',
 270                                 ),
 271                                 __METHOD__,
 272                                 array(
 273                                         'ORDER BY' => 'page_counter DESC',
 274                                         'LIMIT' => 10,
 275                                 )
 276                         );
 277                         if( $res->numRows() > 0 ) {
 278                                 $text .= Xml::openElement( 'tr' );
 279                                 $text .= Xml::tags( 'th', array( 'colspan' => '2' ), wfMsgExt( 'statistics-mostpopular', array( 'parseinline' ) ) );
 280                                 $text .= Xml::closeElement( 'tr' );
 281                                 foreach ( $res as $row ) {
 282                                         $title = Title::makeTitleSafe( $row->page_namespace, $row->page_title );
 283                                         if( $title instanceof Title ) {
 284                                                 $text .= $this->formatRow( $sk->link( $title ),
 285                                                                 $wgLang->formatNum( $row->page_counter ) );
 286
 287                                         }
 288                                 }
 289                                 $res->free();
 290                         }
 291                 return $text;
 292         }
 293
 294         private function getOtherStats( $stats ) {
 295                 global $wgLang;
 296
 297                 if ( !count( $stats ) )
 298                         return '';
 299
 300                 $return = Xml::openElement( 'tr' ) .
 301                         Xml::tags( 'th', array( 'colspan' => '2' ), wfMsgExt( 'statistics-header-hooks', array( 'parseinline' ) ) ) .
 302                         Xml::closeElement( 'tr' );
 303
 304                 foreach( $stats as $name => $number ) {
 305                         $name = htmlspecialchars( $name );
 306                         $number = htmlspecialchars( $number );
 307
 308                         $return .= $this->formatRow( $name, $wgLang->formatNum( $number ), array( 'class' => 'mw-statistics-hook' ) );
 309                 }
 310
 311                 return $return;
 312         }
 313
 314         /**
 315          * Do the action=raw output for this page. Legacy, but we support
 316          * it for backwards compatibility
 317          * http://lists.wikimedia.org/pipermail/wikitech-l/2008-August/039202.html
 318          */
 319         private function doRawOutput() {
 320                 global $wgOut;
 321                 $wgOut->disable();
 322                 header( 'Pragma: nocache' );
 323                 echo "total=" . $this->total . ";good=" . $this->good . ";views=" .
 324                                 $this->views . ";edits=" . $this->edits . ";users=" . $this->users . ";";
 325                 echo "activeusers=" . $this->activeUsers . ";admins=" . $this->admins .
 326                                 ";images=" . $this->images . ";jobs=" . $this->numJobs . "\n";
 327                 return;
 328         }
 329 }