--- /dev/null
+<?php
+
+/**
+ * Special page allowing users with the appropriate permissions to
+ * merge article histories, with some restrictions
+ *
+ * @addtogroup SpecialPage
+ */
+
+/**
+ * Constructor
+ */
+function wfSpecialMergehistory( $par ) {
+ global $wgRequest;
+
+ $form = new MergehistoryForm( $wgRequest, $par );
+ $form->execute();
+}
+
+/**
+ * The HTML form for Special:MergeHistory, which allows users with the appropriate
+ * permissions to view and restore deleted content.
+ * @addtogroup SpecialPage
+ */
+class MergehistoryForm {
+ var $mAction, $mTarget, $mDest, $mTimestamp, $mTargetID, $mDestID, $mComment;
+ var $mTargetObj, $mDestObj;
+
+ function MergehistoryForm( $request, $par = "" ) {
+ global $wgUser;
+
+ $this->mAction = $request->getVal( 'action' );
+ $this->mTarget = $request->getVal( 'target' );
+ $this->mDest = $request->getVal( 'dest' );
+
+ $this->mTargetID = intval( $request->getVal( 'targetID' ) );
+ $this->mDestID = intval( $request->getVal( 'destID' ) );
+ $this->mTimestamp = $request->getVal( 'mergepoint' );
+ $this->mComment = $request->getText( 'wpComment' );
+
+ $this->mMerge = $request->wasPosted() && $wgUser->matchEditToken( $request->getVal( 'wpEditToken' ) );
+ // target page
+ if( $this->mTarget !== "" ) {
+ $this->mTargetObj = Title::newFromURL( $this->mTarget );
+ } else {
+ $this->mTargetObj = NULL;
+ }
+ # Destination
+ if( $this->mDest !== "" ) {
+ $this->mDestObj = Title::newFromURL( $this->mDest );
+ } else {
+ $this->mDestObj = NULL;
+ }
+
+ $this->preCacheMessages();
+ }
+
+ /**
+ * As we use the same small set of messages in various methods and that
+ * they are called often, we call them once and save them in $this->message
+ */
+ function preCacheMessages() {
+ // Precache various messages
+ if( !isset( $this->message ) ) {
+ $this->message['last'] = wfMsgExt( 'last', array( 'escape') );
+ }
+ }
+
+ function execute() {
+ global $wgOut, $wgUser;
+
+ $wgOut->setPagetitle( wfMsgHtml( "mergehistory" ) );
+
+ if( $this->mTargetID && $this->mDestID && $this->mAction=="submit" && $this->mMerge ) {
+ return $this->merge();
+ }
+
+ if( is_object($this->mTargetObj) && is_object($this->mDestObj) ) {
+ return $this->showHistory();
+ }
+
+ return $this->showMergeForm();
+ }
+
+ function showMergeForm() {
+ global $wgOut, $wgScript;
+
+ $wgOut->addWikiText( wfMsg( 'mergehistory-header' ) );
+
+ $wgOut->addHtml(
+ Xml::openElement( 'form', array(
+ 'method' => 'get',
+ 'action' => $wgScript ) ) .
+ '<fieldset>' .
+ Xml::element( 'legend', array(),
+ wfMsg( 'mergehistory-box' ) ) .
+ Xml::hidden( 'title',
+ SpecialPage::getTitleFor( 'Mergehistory' )->getPrefixedDbKey() ) .
+ Xml::openElement( 'table' ) .
+ "<tr>
+ <td>".Xml::Label( wfMsg( 'mergehistory-from' ), 'target' )."</td>
+ <td>".Xml::input( 'target', 30, $this->mTarget, array('id'=>'target') )."</td>
+ </tr><tr>
+ <td>".Xml::Label( wfMsg( 'mergehistory-into' ), 'dest' )."</td>
+ <td>".Xml::input( 'dest', 30, $this->mDest, array('id'=>'dest') )."</td>
+ </tr><tr><td>" .
+ Xml::submitButton( wfMsg( 'mergehistory-go' ) ) .
+ "</td></tr>" .
+ Xml::closeElement( 'table' ) .
+ '</fieldset>' .
+ '</form>' );
+ }
+
+ private function showHistory() {
+ global $wgLang, $wgContLang, $wgUser, $wgOut;
+
+ $this->sk = $wgUser->getSkin();
+
+ $wgOut->setPagetitle( wfMsg( "mergehistory" ) );
+
+ $this->showMergeForm();
+
+ # List all stored revisions
+ $revisions = new MergeHistoryPager( $this, array(), $this->mTargetObj, $this->mDestObj );
+ $haveRevisions = $revisions && $revisions->getNumRows() > 0;
+
+ $titleObj = SpecialPage::getTitleFor( "Mergehistory" );
+ $action = $titleObj->getLocalURL( "action=submit" );
+ # Start the form here
+ $top = Xml::openElement( 'form', array( 'method' => 'post', 'action' => $action, 'id' => 'merge' ) );
+ $wgOut->addHtml( $top );
+
+ if( $haveRevisions ) {
+ # Format the user-visible controls (comment field, submission button)
+ # in a nice little table
+ $align = $wgContLang->isRtl() ? 'left' : 'right';
+ $table =
+ Xml::openElement( 'fieldset' ) .
+ Xml::openElement( 'table' ) .
+ "<tr>
+ <td colspan='2'>" .
+ wfMsgExt( 'mergehistory-merge', array('parseinline'),
+ $this->mTargetObj->getPrefixedText(), $this->mDestObj->getPrefixedText() ) .
+ "</td>
+ </tr>
+ <tr>
+ <td align='$align'>" .
+ Xml::label( wfMsg( 'undeletecomment' ), 'wpComment' ) .
+ "</td>
+ <td>" .
+ Xml::input( 'wpComment', 50, $this->mComment ) .
+ "</td>
+ </tr>
+ <tr>
+ <td> </td>
+ <td>" .
+ Xml::submitButton( wfMsg( 'mergehistory-submit' ), array( 'name' => 'merge', 'id' => 'mw-merge-submit' ) ) .
+ "</td>
+ </tr>" .
+ Xml::closeElement( 'table' ) .
+ Xml::closeElement( 'fieldset' );
+
+ $wgOut->addHtml( $table );
+ }
+
+ $wgOut->addHTML( "<h2 id=\"mw-mergehistory\">" . wfMsgHtml( "mergehistory-list" ) . "</h2>\n" );
+
+ if( $haveRevisions ) {
+ $wgOut->addHTML( $revisions->getNavigationBar() );
+ $wgOut->addHTML( "<ul>" );
+ $wgOut->addHTML( $revisions->getBody() );
+ $wgOut->addHTML( "</ul>" );
+ $wgOut->addHTML( $revisions->getNavigationBar() );
+ } else {
+ $wgOut->addWikiText( wfMsg( "mergehistory-empty" ) );
+ }
+
+ # Show relevant lines from the deletion log:
+ $wgOut->addHTML( "<h2>" . htmlspecialchars( LogPage::logName( 'merge' ) ) . "</h2>\n" );
+ $logViewer = new LogViewer(
+ new LogReader(
+ new FauxRequest(
+ array( 'page' => $this->mTargetObj->getPrefixedText(),
+ 'type' => 'merge' ) ) ) );
+ $logViewer->showList( $wgOut );
+
+ # Slip in the hidden controls here
+ # When we submit, go by page ID to avoid some nasty but unlikely collisions.
+ # Such would happen if a page was renamed after the form loaded, but before submit
+ $misc = Xml::hidden( 'targetID', $this->mTargetObj->getArticleID() );
+ $misc .= Xml::hidden( 'destID', $this->mDestObj->getArticleID() );
+ $misc .= Xml::hidden( 'target', $this->mTarget );
+ $misc .= Xml::hidden( 'dest', $this->mDest );
+ $misc .= Xml::hidden( 'wpEditToken', $wgUser->editToken() );
+ $misc .= Xml::closeElement( 'form' );
+ $wgOut->addHtml( $misc );
+
+ return true;
+ }
+
+ function formatRevisionRow( $row ) {
+ global $wgUser, $wgLang;
+
+ $rev = new Revision( $row );
+
+ $stxt = '';
+ $last = $this->message['last'];
+
+ $ts = wfTimestamp( TS_MW, $row->rev_timestamp );
+ $checkBox = wfRadio( "mergepoint", $ts, false );
+
+ $pageLink = $this->sk->makeKnownLinkObj( $rev->getTitle(),
+ $wgLang->timeanddate( $ts ), 'oldid=' . $rev->getID() );
+ if( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
+ $pageLink = '<span class="history-deleted">' . $pageLink . '</span>';
+ }
+
+ # Last link
+ if( !$rev->userCan( Revision::DELETED_TEXT ) )
+ $last = $this->message['last'];
+ else if( isset($this->prevId[$row->rev_id]) )
+ $last = $this->sk->makeKnownLinkObj( $rev->getTitle(), $this->message['last'],
+ "&diff=" . $row->rev_id . "&oldid=" . $this->prevId[$row->rev_id] );
+
+ $userLink = $this->sk->revUserTools( $rev );
+
+ if(!is_null($size = $row->rev_len)) {
+ if($size == 0)
+ $stxt = wfMsgHtml('historyempty');
+ else
+ $stxt = wfMsgHtml('historysize', $wgLang->formatNum( $size ) );
+ }
+ $comment = $this->sk->revComment( $rev );
+
+ return "<li>$checkBox ($last) $pageLink . . $userLink $stxt $comment</li>";
+ }
+
+ /**
+ * Fetch revision text link if it's available to all users
+ * @return string
+ */
+ function getPageLink( $row, $titleObj, $ts, $target ) {
+ global $wgLang;
+
+ if( !$this->userCan($row, Revision::DELETED_TEXT) ) {
+ return '<span class="history-deleted">' . $wgLang->timeanddate( $ts, true ) . '</span>';
+ } else {
+ $link = $this->sk->makeKnownLinkObj( $titleObj,
+ $wgLang->timeanddate( $ts, true ), "target=$target×tamp=$ts" );
+ if( $this->isDeleted($row, Revision::DELETED_TEXT) )
+ $link = '<span class="history-deleted">' . $link . '</span>';
+ return $link;
+ }
+ }
+
+ function merge() {
+ global $wgOut, $wgUser;
+ # 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...
+ $targetTitle = Title::newFromID( $this->mTargetID );
+ $destTitle = Title::newFromID( $this->mDestID );
+ if( is_null($targetTitle) || is_null($destTitle) )
+ return false; // validate these
+ # Verify that this timestamp is valid
+ # Must be older than the destination page
+ $dbw = wfGetDB( DB_MASTER );
+ $maxtimestamp = $dbw->selectField( 'revision', 'MIN(rev_timestamp)',
+ array('rev_page' => $this->mDestID ),
+ __METHOD__ );
+ # Destination page must exist with revisions
+ if( !$maxtimestamp ) {
+ $wgOut->addWikiText( wfMsg('mergehistory-fail') );
+ return false;
+ }
+ # Leave the latest version no matter what
+ $lasttime = $dbw->selectField( array('page','revision'),
+ 'rev_timestamp',
+ array('page_id' => $this->mTargetID, 'page_latest = rev_id' ),
+ __METHOD__ );
+ # Take the most restrictive of the twain
+ $maxtimestamp = ($lasttime < $maxtimestamp) ? $lasttime : $maxtimestamp;
+ if( $this->mTimestamp >= $maxtimestamp ) {
+ $wgOut->addHtml( wfMsg('mergehistory-fail') );
+ return false;
+ }
+ # Update the revisions
+ if( $this->mTimestamp )
+ $timewhere = "rev_timestamp <= {$this->mTimestamp}";
+ else
+ $timewhere = '1 = 1';
+
+ $dbw->update( 'revision',
+ array( 'rev_page' => $this->mDestID ),
+ array( 'rev_page' => $this->mTargetID,
+ "rev_timestamp < {$maxtimestamp}",
+ $timewhere ),
+ __METHOD__ );
+ # Check if this did anything
+ $count = $dbw->affectedRows();
+ if( !$count ) {
+ $wgOut->addHtml( wfMsg('mergehistory-fail') );
+ return false;
+ }
+ # Update our logs
+ $log = new LogPage( 'merge' );
+ $log->addEntry( 'merge', $targetTitle, $this->mComment,
+ array($destTitle->getPrefixedText(),$this->mTimestamp) );
+
+ $wgOut->addHtml( wfMsgExt( 'mergehistory-success', array('parseinline'),
+ $targetTitle->getPrefixedText(), $destTitle->getPrefixedText(), $count ) );
+
+ wfRunHooks( 'ArticleMergeComplete', array( $targetTitle, $destTitle ) );
+
+ return true;
+ }
+}
+
+class MergeHistoryPager extends ReverseChronologicalPager {
+ public $mForm, $mConds;
+
+ function __construct( $form, $conds = array(), $title, $title2 ) {
+ $this->mForm = $form;
+ $this->mConds = $conds;
+ $this->title = $title;
+ $this->articleID = $title->getArticleID();
+
+ $dbr = wfGetDB( DB_SLAVE );
+ $maxtimestamp = $dbr->selectField( 'revision', 'MIN(rev_timestamp)',
+ array('rev_page' => $title2->getArticleID() ),
+ __METHOD__ );
+ $this->maxTimestamp = $maxtimestamp;
+
+ parent::__construct();
+ }
+
+ function getStartBody() {
+ wfProfileIn( __METHOD__ );
+ # Do a link batch query
+ $this->mResult->seek( 0 );
+ $batch = new LinkBatch();
+ # Give some pointers to make (last) links
+ $this->mForm->prevId = array();
+ while( $row = $this->mResult->fetchObject() ) {
+ $batch->addObj( Title::makeTitleSafe( NS_USER, $row->rev_user_text ) );
+ $batch->addObj( Title::makeTitleSafe( NS_USER_TALK, $row->rev_user_text ) );
+
+ $rev_id = isset($rev_id) ? $rev_id : $row->rev_id;
+ if( $rev_id > $row->rev_id )
+ $this->mForm->prevId[$rev_id] = $row->rev_id;
+ else if( $rev_id < $row->rev_id )
+ $this->mForm->prevId[$row->rev_id] = $rev_id;
+
+ $rev_id = $row->rev_id;
+ }
+
+ $batch->execute();
+ $this->mResult->seek( 0 );
+
+ wfProfileOut( __METHOD__ );
+ return '';
+ }
+
+ function formatRow( $row ) {
+ $block = new Block;
+ return $this->mForm->formatRevisionRow( $row );
+ }
+
+ function getQueryInfo() {
+ $conds = $this->mConds;
+ $conds['rev_page'] = $this->articleID;
+ $conds[] = "rev_timestamp < {$this->maxTimestamp}";
+ # Skip the latest one, as that could cause problems
+ if( $page = $this->title->getLatestRevID() )
+ $conds[] = "rev_id != {$page}";
+
+ return array(
+ 'tables' => array('revision'),
+ 'fields' => array( 'rev_minor_edit', 'rev_timestamp', 'rev_user', 'rev_user_text', 'rev_comment',
+ 'rev_id', 'rev_page', 'rev_text_id', 'rev_len', 'rev_deleted' ),
+ 'conds' => $conds
+ );
+ }
+
+ function getIndexField() {
+ return 'rev_timestamp';
+ }
+}
dépôts / lhc / web / wiklou.git / commitdiff