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<?php
/**
* 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 Pager
*/
/**
* @ingroup Pager
*/
class MergeHistoryPager extends ReverseChronologicalPager {
/** @var SpecialMergeHistory */
public $mForm;
/** @var array */
public $mConds;
function __construct( SpecialMergeHistory $form, $conds, Title $source, Title $dest ) {
$this->mForm = $form;
$this->mConds = $conds;
$this->title = $source;
$this->articleID = $source->getArticleID();
$dbr = wfGetDB( DB_REPLICA );
$maxtimestamp = $dbr->selectField(
'revision',
'MIN(rev_timestamp)',
[ 'rev_page' => $dest->getArticleID() ],
__METHOD__
);
$this->maxTimestamp = $maxtimestamp;
parent::__construct( $form->getContext() );
}
function getStartBody() {
# Do a link batch query
$this->mResult->seek( 0 );
$batch = new LinkBatch();
# Give some pointers to make (last) links
$this->mForm->prevId = [];
$rev_id = null;
foreach ( $this->mResult as $row ) {
$batch->addObj( Title::makeTitleSafe( NS_USER, $row->user_name ) );
$batch->addObj( Title::makeTitleSafe( NS_USER_TALK, $row->user_name ) );
if ( isset( $rev_id ) ) {
if ( $rev_id > $row->rev_id ) {
$this->mForm->prevId[$rev_id] = $row->rev_id;
} elseif ( $rev_id < $row->rev_id ) {
$this->mForm->prevId[$row->rev_id] = $rev_id;
}
}
$rev_id = $row->rev_id;
}
$batch->execute();
$this->mResult->seek( 0 );
return '';
}
function formatRow( $row ) {
return $this->mForm->formatRevisionRow( $row );
}
function getQueryInfo() {
$conds = $this->mConds;
$conds['rev_page'] = $this->articleID;
$conds[] = "rev_timestamp < " . $this->mDb->addQuotes( $this->maxTimestamp );
$revQuery = Revision::getQueryInfo( [ 'page', 'user' ] );
return [
'tables' => $revQuery['tables'],
'fields' => $revQuery['fields'],
'conds' => $conds,
'join_conds' => $revQuery['joins']
];
}
function getIndexField() {
return 'rev_timestamp';
}
}
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