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<?php
/**
* Implements Special:GadgetUsage
*
* Copyright © 2015 Niharika Kohli
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup SpecialPage
* @author Niharika Kohli <niharika@wikimedia.org>
*/
/**
* Special:GadgetUsage - Lists all the gadgets on the wiki along with number of users.
* @ingroup SpecialPage
*/
class SpecialGadgetUsage extends QueryPage {
function __construct( $name = 'GadgetUsage' ) {
parent::__construct( $name );
$this->limit = 1000; // Show all gadgets
$this->shownavigation = false;
$this->activeUsers = $this->getConfig()->get( 'SpecialGadgetUsageActiveUsers' );
}
/**
* Flag for holding the value of config variable SpecialGadgetUsageActiveUsers
*
* @var bool $activeUsers
*/
public $activeUsers;
public function isExpensive() {
return true;
}
/**
* Define the database query that is used to generate the stats table.
* This uses 1 of 2 possible queries, depending on $wgSpecialGadgetUsageActiveUsers.
*
* The simple query is essentially:
* SELECT up_property, SUM(up_value)
* FROM user_properties
* WHERE up_property LIKE 'gadget-%'
* GROUP BY up_property;
*
* The more expensive query is:
* SELECT up_property, SUM(up_value), count(qcc_title)
* FROM user_properties
* LEFT JOIN user ON up_user = user_id
* LEFT JOIN querycachetwo ON user_name = qcc_title AND qcc_type = 'activeusers' AND up_value = 1
* WHERE up_property LIKE 'gadget-%'
* GROUP BY up_property;
*/
public function getQueryInfo() {
$dbr = wfGetDB( DB_SLAVE );
if ( !$this->activeUsers ) {
return array(
'tables' => array( 'user_properties' ),
'fields' => array(
'title' => 'up_property',
'value' => 'SUM( up_value )',
'namespace' => NS_GADGET
),
'conds' => array(
'up_property' . $dbr->buildLike( 'gadget-', $dbr->anyString() )
),
'options' => array(
'GROUP BY' => array( 'up_property' )
)
);
} else {
return array(
'tables' => array( 'user_properties', 'user', 'querycachetwo' ),
'fields' => array(
'title' => 'up_property',
'value' => 'SUM( up_value )',
// Need to pick fields existing in the querycache table so that the results are cachable
'namespace' => 'COUNT( qcc_title )'
),
'conds' => array(
'up_property' . $dbr->buildLike( 'gadget-', $dbr->anyString() )
),
'options' => array(
'GROUP BY' => array( 'up_property' )
),
'join_conds' => array(
'user' => array(
'LEFT JOIN', array(
'up_user = user_id'
)
),
'querycachetwo' => array(
'LEFT JOIN', array(
'user_name = qcc_title',
'qcc_type = "activeusers"',
'up_value = 1'
)
)
)
);
}
}
public function getOrderFields() {
return array( 'value' );
}
/**
* Output the start of the table
* Including opening <table>, and first <tr> with column headers.
*/
protected function outputTableStart() {
$html = Html::openElement( 'table', array( 'class' => array( 'sortable', 'wikitable' ) ) );
$html .= Html::openElement( 'tr', array() );
$headers = array( 'gadgetusage-gadget', 'gadgetusage-usercount' );
if ( $this->activeUsers ) {
$headers[] = 'gadgetusage-activeusers';
}
foreach( $headers as $h ) {
if ( $h == 'gadgetusage-gadget' ) {
$html .= Html::element( 'th', array(), $this->msg( $h )->text() );
} else {
$html .= Html::element( 'th', array( 'data-sort-type' => 'number' ),
$this->msg( $h )->text() );
}
}
$html .= Html::closeElement( 'tr' );
$this->getOutput()->addHTML( $html );
}
/**
* @param Skin $skin
* @param object $result Result row
* @return string|bool String of HTML
*/
public function formatResult( $skin, $result ) {
$gadgetTitle = substr( $result->title, 7 );
$gadgetUserCount = $this->getLanguage()->formatNum( $result->value );
if ( $gadgetTitle ) {
$html = Html::openElement( 'tr', array() );
$html .= Html::element( 'td', array(), $gadgetTitle );
$html .= Html::element( 'td', array(), $gadgetUserCount );
if ( $this->activeUsers == true ) {
$activeUserCount = $this->getLanguage()->formatNum( $result->namespace );
$html .= Html::element( 'td', array(), $activeUserCount );
}
$html .= Html::closeElement( 'tr' );
return $html;
}
return false;
}
/**
* Get a list of default gadgets
* @param GadgetRepo $gadgetRepo
* @param array $gadgetIds list of gagdet ids registered in the wiki
* @return array
*/
protected function getDefaultGadgets( $gadgetRepo, $gadgetIds ) {
$gadgetsList = array();
foreach ( $gadgetIds as $g ) {
$gadget = $gadgetRepo->getGadget( $g );
if ( $gadget->isOnByDefault() ) {
$gadgetsList[] = $gadget->getName();
}
}
asort( $gadgetsList, SORT_STRING | SORT_FLAG_CASE );
return $gadgetsList;
}
/**
* Format and output report results using the given information plus
* OutputPage
*
* @param OutputPage $out OutputPage to print to
* @param Skin $skin User skin to use
* @param IDatabase $dbr Database (read) connection to use
* @param ResultWrapper $res Result pointer
* @param int $num Number of available result rows
* @param int $offset Paging offset
*/
protected function outputResults( $out, $skin, $dbr, $res, $num, $offset ) {
$gadgetRepo = GadgetRepo::singleton();
$gadgetIds = $gadgetRepo->getGadgetIds();
$defaultGadgets = $this->getDefaultGadgets( $gadgetRepo, $gadgetIds );
if ( $this->activeUsers ) {
$out->addHtml(
$this->msg( 'gadgetusage-intro' )->numParams( $this->getConfig()->get( 'ActiveUserDays' ) )->parseAsBlock()
);
} else {
$out->addHtml(
$this->msg( 'gadgetusage-intro-noactive' )->parseAsBlock()
);
}
if ( $num > 0 ) {
$this->outputTableStart();
// Append default gadgets to the table with 'default' in the total and active user fields
foreach ( $defaultGadgets as $default ) {
$html = Html::openElement( 'tr', array() );
$html .= Html::element( 'td', array(), $default );
$html .= Html::element( 'td', array(), $this->msg( 'gadgetusage-default' ) );
if ( $this->activeUsers ) {
$html .= Html::element( 'td', array(), $this->msg( 'gadgetusage-default' ) );
}
$html .= Html::closeElement( 'tr' );
$out->addHTML( $html );
}
foreach ( $res as $row ) {
// Remove the 'gadget-' part of the result string and compare if it's present
// in $defaultGadgets, if not we format it and add it to the output
if ( !in_array( substr( $row->title, 7 ), $defaultGadgets ) ) {
// Only pick gadgets which are in the list $gadgetIds to make sure they exist
if ( in_array( substr( $row->title, 7 ), $gadgetIds ) ) {
$line = $this->formatResult( $skin, $row );
if ( $line ) {
$out->addHTML( $line );
}
}
}
}
// Close table element
$out->addHtml( Html::closeElement( 'table' ) );
} else {
$out->addHtml(
$this->msg( 'gadgetusage-noresults' )->parseAsBlock()
);
}
}
protected function getGroupName() {
return 'wiki';
}
}