mirror of
https://github.com/YunoHost-Apps/mediawiki_ynh.git
synced 2024-09-03 19:46:05 +02:00
105 lines
3.3 KiB
PHP
105 lines
3.3 KiB
PHP
<?php
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/**
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* Update for the 'page_counter' field
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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/**
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* Update for the 'page_counter' field, when $wgDisableCounters is false.
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*
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* Depending on $wgHitcounterUpdateFreq, this will directly increment the
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* 'page_counter' field or use the 'hitcounter' table and then collect the data
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* from that table to update the 'page_counter' field in a batch operation.
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*/
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class ViewCountUpdate implements DeferrableUpdate {
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protected $id;
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/**
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* Constructor
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*
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* @param $id Integer: page ID to increment the view count
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*/
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public function __construct( $id ) {
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$this->id = intval( $id );
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}
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/**
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* Run the update
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*/
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public function doUpdate() {
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global $wgHitcounterUpdateFreq;
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$dbw = wfGetDB( DB_MASTER );
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if ( $wgHitcounterUpdateFreq <= 1 || $dbw->getType() == 'sqlite' ) {
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$dbw->update( 'page', array( 'page_counter = page_counter + 1' ), array( 'page_id' => $this->id ), __METHOD__ );
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return;
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}
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# Not important enough to warrant an error page in case of failure
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try {
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$dbw->insert( 'hitcounter', array( 'hc_id' => $this->id ), __METHOD__ );
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$checkfreq = intval( $wgHitcounterUpdateFreq / 25 + 1 );
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if ( rand() % $checkfreq == 0 && $dbw->lastErrno() == 0 ) {
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$this->collect();
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}
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} catch ( DBError $e ) {}
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}
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protected function collect() {
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global $wgHitcounterUpdateFreq;
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$dbw = wfGetDB( DB_MASTER );
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$rown = $dbw->selectField( 'hitcounter', 'COUNT(*)', array(), __METHOD__ );
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if ( $rown < $wgHitcounterUpdateFreq ) {
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return;
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}
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wfProfileIn( __METHOD__ . '-collect' );
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$old_user_abort = ignore_user_abort( true );
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$dbw->lockTables( array(), array( 'hitcounter' ), __METHOD__, false );
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$dbType = $dbw->getType();
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$tabletype = $dbType == 'mysql' ? "ENGINE=HEAP " : '';
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$hitcounterTable = $dbw->tableName( 'hitcounter' );
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$acchitsTable = $dbw->tableName( 'acchits' );
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$pageTable = $dbw->tableName( 'page' );
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$dbw->query( "CREATE TEMPORARY TABLE $acchitsTable $tabletype AS " .
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"SELECT hc_id,COUNT(*) AS hc_n FROM $hitcounterTable " .
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'GROUP BY hc_id', __METHOD__ );
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$dbw->delete( 'hitcounter', '*', __METHOD__ );
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$dbw->unlockTables( __METHOD__ );
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if ( $dbType == 'mysql' ) {
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$dbw->query( "UPDATE $pageTable,$acchitsTable SET page_counter=page_counter + hc_n " .
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'WHERE page_id = hc_id', __METHOD__ );
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} else {
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$dbw->query( "UPDATE $pageTable SET page_counter=page_counter + hc_n " .
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"FROM $acchitsTable WHERE page_id = hc_id", __METHOD__ );
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}
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$dbw->query( "DROP TABLE $acchitsTable", __METHOD__ );
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ignore_user_abort( $old_user_abort );
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wfProfileOut( __METHOD__ . '-collect' );
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}
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}
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