mirror of
https://github.com/YunoHost-Apps/mediawiki_ynh.git
synced 2024-09-03 19:46:05 +02:00
508 lines
15 KiB
PHP
508 lines
15 KiB
PHP
<?php
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/**
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* Implements Special:MergeHistory
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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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* @ingroup SpecialPage
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*/
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/**
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* Special page allowing users with the appropriate permissions to
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* merge article histories, with some restrictions
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*
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* @ingroup SpecialPage
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*/
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class SpecialMergeHistory extends SpecialPage {
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var $mAction, $mTarget, $mDest, $mTimestamp, $mTargetID, $mDestID, $mComment;
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/**
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* @var Title
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*/
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var $mTargetObj, $mDestObj;
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public function __construct() {
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parent::__construct( 'MergeHistory', 'mergehistory' );
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}
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/**
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* @return void
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*/
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private function loadRequestParams() {
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$request = $this->getRequest();
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$this->mAction = $request->getVal( 'action' );
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$this->mTarget = $request->getVal( 'target' );
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$this->mDest = $request->getVal( 'dest' );
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$this->mSubmitted = $request->getBool( 'submitted' );
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$this->mTargetID = intval( $request->getVal( 'targetID' ) );
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$this->mDestID = intval( $request->getVal( 'destID' ) );
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$this->mTimestamp = $request->getVal( 'mergepoint' );
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if ( !preg_match( '/[0-9]{14}/', $this->mTimestamp ) ) {
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$this->mTimestamp = '';
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}
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$this->mComment = $request->getText( 'wpComment' );
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$this->mMerge = $request->wasPosted() && $this->getUser()->matchEditToken( $request->getVal( 'wpEditToken' ) );
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// target page
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if ( $this->mSubmitted ) {
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$this->mTargetObj = Title::newFromURL( $this->mTarget );
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$this->mDestObj = Title::newFromURL( $this->mDest );
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} else {
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$this->mTargetObj = null;
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$this->mDestObj = null;
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}
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$this->preCacheMessages();
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}
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/**
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* As we use the same small set of messages in various methods and that
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* they are called often, we call them once and save them in $this->message
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*/
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function preCacheMessages() {
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// Precache various messages
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if ( !isset( $this->message ) ) {
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$this->message['last'] = $this->msg( 'last' )->escaped();
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}
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}
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public function execute( $par ) {
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$this->checkPermissions();
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$this->checkReadOnly();
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$this->loadRequestParams();
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$this->setHeaders();
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$this->outputHeader();
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if ( $this->mTargetID && $this->mDestID && $this->mAction == 'submit' && $this->mMerge ) {
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$this->merge();
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return;
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}
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if ( !$this->mSubmitted ) {
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$this->showMergeForm();
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return;
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}
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$errors = array();
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if ( !$this->mTargetObj instanceof Title ) {
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$errors[] = $this->msg( 'mergehistory-invalid-source' )->parseAsBlock();
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} elseif ( !$this->mTargetObj->exists() ) {
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$errors[] = $this->msg( 'mergehistory-no-source', array( 'parse' ),
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wfEscapeWikiText( $this->mTargetObj->getPrefixedText() )
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)->parseAsBlock();
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}
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if ( !$this->mDestObj instanceof Title ) {
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$errors[] = $this->msg( 'mergehistory-invalid-destination' )->parseAsBlock();
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} elseif ( !$this->mDestObj->exists() ) {
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$errors[] = $this->msg( 'mergehistory-no-destination', array( 'parse' ),
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wfEscapeWikiText( $this->mDestObj->getPrefixedText() )
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)->parseAsBlock();
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}
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if ( $this->mTargetObj && $this->mDestObj && $this->mTargetObj->equals( $this->mDestObj ) ) {
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$errors[] = $this->msg( 'mergehistory-same-destination' )->parseAsBlock();
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}
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if ( count( $errors ) ) {
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$this->showMergeForm();
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$this->getOutput()->addHTML( implode( "\n", $errors ) );
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} else {
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$this->showHistory();
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}
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}
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function showMergeForm() {
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global $wgScript;
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$this->getOutput()->addWikiMsg( 'mergehistory-header' );
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$this->getOutput()->addHTML(
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Xml::openElement( 'form', array(
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'method' => 'get',
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'action' => $wgScript ) ) .
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'<fieldset>' .
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Xml::element( 'legend', array(),
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$this->msg( 'mergehistory-box' )->text() ) .
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Html::hidden( 'title', $this->getTitle()->getPrefixedDBkey() ) .
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Html::hidden( 'submitted', '1' ) .
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Html::hidden( 'mergepoint', $this->mTimestamp ) .
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Xml::openElement( 'table' ) .
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'<tr>
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<td>' . Xml::label( $this->msg( 'mergehistory-from' )->text(), 'target' ) . '</td>
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<td>' . Xml::input( 'target', 30, $this->mTarget, array( 'id' => 'target' ) ) . '</td>
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</tr><tr>
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<td>' . Xml::label( $this->msg( 'mergehistory-into' )->text(), 'dest' ) . '</td>
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<td>' . Xml::input( 'dest', 30, $this->mDest, array( 'id' => 'dest' ) ) . '</td>
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</tr><tr><td>' .
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Xml::submitButton( $this->msg( 'mergehistory-go' )->text() ) .
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'</td></tr>' .
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Xml::closeElement( 'table' ) .
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'</fieldset>' .
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'</form>'
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);
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}
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private function showHistory() {
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$this->showMergeForm();
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# List all stored revisions
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$revisions = new MergeHistoryPager(
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$this, array(), $this->mTargetObj, $this->mDestObj
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);
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$haveRevisions = $revisions && $revisions->getNumRows() > 0;
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$out = $this->getOutput();
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$titleObj = $this->getTitle();
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$action = $titleObj->getLocalURL( array( 'action' => 'submit' ) );
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# Start the form here
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$top = Xml::openElement(
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'form',
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array(
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'method' => 'post',
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'action' => $action,
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'id' => 'merge'
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)
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);
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$out->addHTML( $top );
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if ( $haveRevisions ) {
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# Format the user-visible controls (comment field, submission button)
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# in a nice little table
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$table =
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Xml::openElement( 'fieldset' ) .
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$this->msg( 'mergehistory-merge', $this->mTargetObj->getPrefixedText(),
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$this->mDestObj->getPrefixedText() )->parse() .
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Xml::openElement( 'table', array( 'id' => 'mw-mergehistory-table' ) ) .
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'<tr>
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<td class="mw-label">' .
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Xml::label( $this->msg( 'mergehistory-reason' )->text(), 'wpComment' ) .
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'</td>
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<td class="mw-input">' .
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Xml::input( 'wpComment', 50, $this->mComment, array( 'id' => 'wpComment' ) ) .
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'</td>
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</tr>
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<tr>
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<td> </td>
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<td class="mw-submit">' .
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Xml::submitButton( $this->msg( 'mergehistory-submit' )->text(), array( 'name' => 'merge', 'id' => 'mw-merge-submit' ) ) .
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'</td>
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</tr>' .
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Xml::closeElement( 'table' ) .
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Xml::closeElement( 'fieldset' );
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$out->addHTML( $table );
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}
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$out->addHTML(
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'<h2 id="mw-mergehistory">' .
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$this->msg( 'mergehistory-list' )->escaped() . "</h2>\n"
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);
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if ( $haveRevisions ) {
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$out->addHTML( $revisions->getNavigationBar() );
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$out->addHTML( '<ul>' );
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$out->addHTML( $revisions->getBody() );
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$out->addHTML( '</ul>' );
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$out->addHTML( $revisions->getNavigationBar() );
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} else {
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$out->addWikiMsg( 'mergehistory-empty' );
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}
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# Show relevant lines from the merge log:
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$mergeLogPage = new LogPage( 'merge' );
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$out->addHTML( '<h2>' . $mergeLogPage->getName()->escaped() . "</h2>\n" );
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LogEventsList::showLogExtract( $out, 'merge', $this->mTargetObj );
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# When we submit, go by page ID to avoid some nasty but unlikely collisions.
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# Such would happen if a page was renamed after the form loaded, but before submit
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$misc = Html::hidden( 'targetID', $this->mTargetObj->getArticleID() );
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$misc .= Html::hidden( 'destID', $this->mDestObj->getArticleID() );
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$misc .= Html::hidden( 'target', $this->mTarget );
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$misc .= Html::hidden( 'dest', $this->mDest );
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$misc .= Html::hidden( 'wpEditToken', $this->getUser()->getEditToken() );
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$misc .= Xml::closeElement( 'form' );
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$out->addHTML( $misc );
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return true;
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}
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function formatRevisionRow( $row ) {
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$rev = new Revision( $row );
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$stxt = '';
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$last = $this->message['last'];
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$ts = wfTimestamp( TS_MW, $row->rev_timestamp );
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$checkBox = Xml::radio( 'mergepoint', $ts, false );
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$user = $this->getUser();
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$pageLink = Linker::linkKnown(
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$rev->getTitle(),
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htmlspecialchars( $this->getLanguage()->userTimeAndDate( $ts, $user ) ),
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array(),
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array( 'oldid' => $rev->getId() )
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);
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if ( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
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$pageLink = '<span class="history-deleted">' . $pageLink . '</span>';
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}
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# Last link
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if ( !$rev->userCan( Revision::DELETED_TEXT, $user ) ) {
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$last = $this->message['last'];
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} elseif ( isset( $this->prevId[$row->rev_id] ) ) {
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$last = Linker::linkKnown(
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$rev->getTitle(),
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$this->message['last'],
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array(),
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array(
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'diff' => $row->rev_id,
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'oldid' => $this->prevId[$row->rev_id]
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)
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);
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}
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$userLink = Linker::revUserTools( $rev );
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$size = $row->rev_len;
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if ( !is_null( $size ) ) {
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$stxt = Linker::formatRevisionSize( $size );
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}
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$comment = Linker::revComment( $rev );
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return Html::rawElement( 'li', array(),
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$this->msg( 'mergehistory-revisionrow' )->rawParams( $checkBox, $last, $pageLink, $userLink, $stxt, $comment )->escaped() );
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}
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function merge() {
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# Get the titles directly from the IDs, in case the target page params
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# were spoofed. The queries are done based on the IDs, so it's best to
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# keep it consistent...
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$targetTitle = Title::newFromID( $this->mTargetID );
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$destTitle = Title::newFromID( $this->mDestID );
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if ( is_null( $targetTitle ) || is_null( $destTitle ) ) {
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return false; // validate these
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}
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if ( $targetTitle->getArticleID() == $destTitle->getArticleID() ) {
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return false;
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}
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# Verify that this timestamp is valid
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# Must be older than the destination page
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$dbw = wfGetDB( DB_MASTER );
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# Get timestamp into DB format
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$this->mTimestamp = $this->mTimestamp ? $dbw->timestamp( $this->mTimestamp ) : '';
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# Max timestamp should be min of destination page
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$maxtimestamp = $dbw->selectField(
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'revision',
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'MIN(rev_timestamp)',
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array( 'rev_page' => $this->mDestID ),
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__METHOD__
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);
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# Destination page must exist with revisions
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if ( !$maxtimestamp ) {
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$this->getOutput()->addWikiMsg( 'mergehistory-fail' );
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return false;
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}
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# Get the latest timestamp of the source
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$lasttimestamp = $dbw->selectField(
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array( 'page', 'revision' ),
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'rev_timestamp',
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array( 'page_id' => $this->mTargetID, 'page_latest = rev_id' ),
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__METHOD__
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);
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# $this->mTimestamp must be older than $maxtimestamp
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if ( $this->mTimestamp >= $maxtimestamp ) {
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$this->getOutput()->addWikiMsg( 'mergehistory-fail' );
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return false;
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}
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# Update the revisions
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if ( $this->mTimestamp ) {
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$timewhere = "rev_timestamp <= {$this->mTimestamp}";
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$timestampLimit = wfTimestamp( TS_MW, $this->mTimestamp );
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} else {
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$timewhere = "rev_timestamp <= {$maxtimestamp}";
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$timestampLimit = wfTimestamp( TS_MW, $lasttimestamp );
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}
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# Do the moving...
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$dbw->update(
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'revision',
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array( 'rev_page' => $this->mDestID ),
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array( 'rev_page' => $this->mTargetID, $timewhere ),
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__METHOD__
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);
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$count = $dbw->affectedRows();
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# Make the source page a redirect if no revisions are left
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$haveRevisions = $dbw->selectField(
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'revision',
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'rev_timestamp',
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array( 'rev_page' => $this->mTargetID ),
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__METHOD__,
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array( 'FOR UPDATE' )
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);
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if ( !$haveRevisions ) {
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if ( $this->mComment ) {
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$comment = $this->msg(
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'mergehistory-comment',
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$targetTitle->getPrefixedText(),
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$destTitle->getPrefixedText(),
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$this->mComment
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)->inContentLanguage()->text();
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} else {
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$comment = $this->msg(
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'mergehistory-autocomment',
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$targetTitle->getPrefixedText(),
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$destTitle->getPrefixedText()
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)->inContentLanguage()->text();
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}
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$contentHandler = ContentHandler::getForTitle( $targetTitle );
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$redirectContent = $contentHandler->makeRedirectContent( $destTitle );
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if ( $redirectContent ) {
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$redirectPage = WikiPage::factory( $targetTitle );
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$redirectRevision = new Revision( array(
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'title' => $targetTitle,
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'page' => $this->mTargetID,
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'comment' => $comment,
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'content' => $redirectContent ) );
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$redirectRevision->insertOn( $dbw );
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$redirectPage->updateRevisionOn( $dbw, $redirectRevision );
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# Now, we record the link from the redirect to the new title.
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# It should have no other outgoing links...
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$dbw->delete( 'pagelinks', array( 'pl_from' => $this->mDestID ), __METHOD__ );
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$dbw->insert( 'pagelinks',
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array(
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'pl_from' => $this->mDestID,
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'pl_namespace' => $destTitle->getNamespace(),
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'pl_title' => $destTitle->getDBkey() ),
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__METHOD__
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);
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} else {
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// would be nice to show a warning if we couldn't create a redirect
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}
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} else {
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$targetTitle->invalidateCache(); // update histories
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}
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$destTitle->invalidateCache(); // update histories
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# Check if this did anything
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if ( !$count ) {
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$this->getOutput()->addWikiMsg( 'mergehistory-fail' );
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return false;
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}
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# Update our logs
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$log = new LogPage( 'merge' );
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$log->addEntry(
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'merge', $targetTitle, $this->mComment,
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array( $destTitle->getPrefixedText(), $timestampLimit ), $this->getUser()
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);
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$this->getOutput()->addWikiMsg( 'mergehistory-success',
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$targetTitle->getPrefixedText(), $destTitle->getPrefixedText(), $count );
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wfRunHooks( 'ArticleMergeComplete', array( $targetTitle, $destTitle ) );
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return true;
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}
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protected function getGroupName() {
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return 'pagetools';
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}
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}
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class MergeHistoryPager extends ReverseChronologicalPager {
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public $mForm, $mConds;
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function __construct( $form, $conds = array(), $source, $dest ) {
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$this->mForm = $form;
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$this->mConds = $conds;
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$this->title = $source;
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$this->articleID = $source->getArticleID();
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$dbr = wfGetDB( DB_SLAVE );
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$maxtimestamp = $dbr->selectField(
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'revision',
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'MIN(rev_timestamp)',
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array( 'rev_page' => $dest->getArticleID() ),
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__METHOD__
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);
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$this->maxTimestamp = $maxtimestamp;
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parent::__construct( $form->getContext() );
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}
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function getStartBody() {
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wfProfileIn( __METHOD__ );
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# Do a link batch query
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$this->mResult->seek( 0 );
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$batch = new LinkBatch();
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# Give some pointers to make (last) links
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$this->mForm->prevId = array();
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foreach ( $this->mResult as $row ) {
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$batch->addObj( Title::makeTitleSafe( NS_USER, $row->user_name ) );
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$batch->addObj( Title::makeTitleSafe( NS_USER_TALK, $row->user_name ) );
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$rev_id = isset( $rev_id ) ? $rev_id : $row->rev_id;
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if ( $rev_id > $row->rev_id ) {
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$this->mForm->prevId[$rev_id] = $row->rev_id;
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} elseif ( $rev_id < $row->rev_id ) {
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$this->mForm->prevId[$row->rev_id] = $rev_id;
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}
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$rev_id = $row->rev_id;
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}
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$batch->execute();
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$this->mResult->seek( 0 );
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wfProfileOut( __METHOD__ );
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return '';
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}
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function formatRow( $row ) {
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return $this->mForm->formatRevisionRow( $row );
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}
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function getQueryInfo() {
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$conds = $this->mConds;
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$conds['rev_page'] = $this->articleID;
|
|
$conds[] = "rev_timestamp < {$this->maxTimestamp}";
|
|
|
|
return array(
|
|
'tables' => array( 'revision', 'page', 'user' ),
|
|
'fields' => array_merge( Revision::selectFields(), Revision::selectUserFields() ),
|
|
'conds' => $conds,
|
|
'join_conds' => array(
|
|
'page' => Revision::pageJoinCond(),
|
|
'user' => Revision::userJoinCond() )
|
|
);
|
|
}
|
|
|
|
function getIndexField() {
|
|
return 'rev_timestamp';
|
|
}
|
|
}
|