useTransactionalTimeLimit();
$this->checkPermissions();
$this->checkReadOnly();
$this->setHeaders();
$this->outputHeader();
$this->addHelpLink( 'Help:Merge history' );
$opts = new FormOptions();
$opts->add( 'target', '' );
$opts->add( 'dest', '' );
$opts->add( 'target', '' );
$opts->add( 'mergepoint', '' );
$opts->add( 'reason', '' );
$opts->add( 'merge', false );
$opts->fetchValuesFromRequest( $this->getRequest() );
$target = $opts->getValue( 'target' );
$dest = $opts->getValue( 'dest' );
$targetObj = Title::newFromText( $target );
$destObj = Title::newFromText( $dest );
$status = Status::newGood();
$this->mOpts = $opts;
$this->mTargetObj = $targetObj;
$this->mDestObj = $destObj;
if ( $opts->getValue( 'merge' ) && $targetObj && $destObj ) {
$this->merge();
return;
}
if ( $target === '' && $dest === '' ) {
$this->showMergeForm();
return;
}
if ( !$targetObj instanceof Title ) {
$status->merge( Status::newFatal( 'mergehistory-invalid-source' ) );
} elseif ( !$targetObj->exists() ) {
$status->merge( Status::newFatal( 'mergehistory-no-source',
wfEscapeWikiText( $targetObj->getPrefixedText() )
) );
}
if ( !$destObj instanceof Title ) {
$status->merge( Status::newFatal( 'mergehistory-invalid-destination' ) );
} elseif ( !$destObj->exists() ) {
$status->merge( Status::newFatal( 'mergehistory-no-destination',
wfEscapeWikiText( $destObj->getPrefixedText() )
) );
}
if ( $targetObj && $destObj && $targetObj->equals( $destObj ) ) {
$status->merge( Status::newFatal( 'mergehistory-same-destination' ) );
}
$this->mStatus = $status;
$this->showMergeForm();
if ( $status->isOK() ) {
$this->showHistory();
}
}
function showMergeForm() {
$formDescriptor = [
'target' => [
'type' => 'title',
'name' => 'target',
'label-message' => 'mergehistory-from',
'required' => true,
],
'dest' => [
'type' => 'title',
'name' => 'dest',
'label-message' => 'mergehistory-into',
'required' => true,
],
];
$form = HTMLForm::factory( 'ooui', $formDescriptor, $this->getContext() )
->setIntro( $this->msg( 'mergehistory-header' ) )
->setWrapperLegendMsg( 'mergehistory-box' )
->setSubmitTextMsg( 'mergehistory-go' )
->setMethod( 'post' )
->prepareForm()
->displayForm( $this->mStatus );
}
private function showHistory() {
# List all stored revisions
$revisions = new MergeHistoryPager(
$this, [], $this->mTargetObj, $this->mDestObj
);
$haveRevisions = $revisions && $revisions->getNumRows() > 0;
$out = $this->getOutput();
$header = '' .
$this->msg( 'mergehistory-list' )->escaped() . "
\n";
if ( $haveRevisions ) {
$hiddenFields = [
'merge' => true,
'target' => $this->mOpts->getValue( 'target' ),
'dest' => $this->mOpts->getValue( 'dest' ),
];
$formDescriptor = [
'reason' => [
'type' => 'text',
'name' => 'reason',
'label-message' => 'mergehistory-reason',
],
];
$mergeText = $this->msg( 'mergehistory-merge',
$this->mTargetObj->getPrefixedText(),
$this->mDestObj->getPrefixedText()
)->parse();
$history = $header .
$revisions->getNavigationBar() .
'' .
$revisions->getBody() .
'
' .
$revisions->getNavigationBar();
$form = HTMLForm::factory( 'ooui', $formDescriptor, $this->getContext() )
->addHiddenFields( $hiddenFields )
->setPreText( $mergeText )
->setFooterText( $history )
->setSubmitTextMsg( 'mergehistory-submit' )
->setMethod( 'post' )
->prepareForm()
->displayForm( false );
} else {
$out->addHTML( $header );
$out->addWikiMsg( 'mergehistory-empty' );
}
# Show relevant lines from the merge log:
$mergeLogPage = new LogPage( 'merge' );
$out->addHTML( '' . $mergeLogPage->getName()->escaped() . "
\n" );
LogEventsList::showLogExtract( $out, 'merge', $this->mTargetObj );
}
function formatRevisionRow( $row ) {
$rev = new Revision( $row );
$stxt = '';
$last = $this->msg( 'last' )->escaped();
$ts = wfTimestamp( TS_MW, $row->rev_timestamp );
$checkBox = Xml::radio( 'mergepoint', $ts, ( $this->mOpts->getValue( 'mergepoint' ) === $ts ) );
$user = $this->getUser();
$pageLink = Linker::linkKnown(
$rev->getTitle(),
htmlspecialchars( $this->getLanguage()->userTimeAndDate( $ts, $user ) ),
[],
[ 'oldid' => $rev->getId() ]
);
if ( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
$pageLink = '' . $pageLink . '';
}
# Last link
if ( !$rev->userCan( Revision::DELETED_TEXT, $user ) ) {
$last = $this->msg( 'last' )->escaped();
} elseif ( isset( $this->prevId[$row->rev_id] ) ) {
$last = Linker::linkKnown(
$rev->getTitle(),
$this->msg( 'last' )->escaped(),
[],
[
'diff' => $row->rev_id,
'oldid' => $this->prevId[$row->rev_id]
]
);
}
$userLink = Linker::revUserTools( $rev );
$size = $row->rev_len;
if ( !is_null( $size ) ) {
$stxt = Linker::formatRevisionSize( $size );
}
$comment = Linker::revComment( $rev );
return Html::rawElement( 'li', [],
$this->msg( 'mergehistory-revisionrow' )
->rawParams( $checkBox, $last, $pageLink, $userLink, $stxt, $comment )->escaped() );
}
/**
* Actually attempt the history move
*
* @todo if all versions of page A are moved to B and then a user
* tries to do a reverse-merge via the "unmerge" log link, then page
* A will still be a redirect (as it was after the original merge),
* though it will have the old revisions back from before (as expected).
* The user may have to "undo" the redirect manually to finish the "unmerge".
* Maybe this should delete redirects at the target page of merges?
*
* @return bool Success
*/
function merge() {
$opts = $this->mOpts;
# Get the titles directly from the IDs, in case the target page params
# were spoofed. The queries are done based on the IDs, so it's best to
# keep it consistent...
$targetObj = $this->mTargetObj;
$destObj = $this->mDestObj;
if ( is_null( $targetObj ) || is_null( $destObj ) ||
$targetObj->getArticleID() == $destObj->getArticleID() ) {
return false;
}
// MergeHistory object
$mh = new MergeHistory( $targetObj, $destObj, $opts->getValue( 'mergepoint' ) );
// Merge!
$mergeStatus = $mh->merge( $this->getUser(), $opts->getValue( 'reason' ) );
if ( !$mergeStatus->isOK() ) {
// Failed merge
$this->getOutput()->addWikiMsg( $mergeStatus->getMessage() );
return false;
}
$targetLink = Linker::link(
$targetObj,
null,
[],
[ 'redirect' => 'no' ]
);
$this->getOutput()->addWikiMsg( $this->msg( 'mergehistory-done' )
->rawParams( $targetLink )
->params( $destObj->getPrefixedText() )
->numParams( $mh->getMergedRevisionCount() )
);
return true;
}
protected function getGroupName() {
return 'pagetools';
}
}