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<?php
/**
* Formatter for delete log entries.
*
* 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
* @author Niklas Laxström
* @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
* @since 1.22
*/
/**
* This class formats delete log entries.
*
* @since 1.19
*/
class DeleteLogFormatter extends LogFormatter {
protected function getMessageKey() {
$key = parent::getMessageKey();
if ( in_array( $this->entry->getSubtype(), array( 'event', 'revision' ) ) ) {
if ( count( $this->getMessageParameters() ) < 5 ) {
return "$key-legacy";
}
}
return $key;
}
protected function getMessageParameters() {
if ( isset( $this->parsedParametersDeleteLog ) ) {
return $this->parsedParametersDeleteLog;
}
$params = parent::getMessageParameters();
$subtype = $this->entry->getSubtype();
if ( in_array( $subtype, array( 'event', 'revision' ) ) ) {
// $params[3] here is 'revision' for page revisions, 'oldimage' for file versions, or a comma-separated list of log_ids for log entries.
// $subtype here is 'revision' for page revisions and file versions, or 'event' for log entries.
if (
( $subtype === 'event' && count( $params ) === 6 ) ||
( $subtype === 'revision' && isset( $params[3] ) && ( $params[3] === 'revision' || $params[3] === 'oldimage' ) )
) {
$paramStart = $subtype === 'revision' ? 4 : 3;
$old = $this->parseBitField( $params[$paramStart + 1] );
$new = $this->parseBitField( $params[$paramStart + 2] );
list( $hid, $unhid, $extra ) = RevisionDeleter::getChanges( $new, $old );
$changes = array();
foreach ( $hid as $v ) {
$changes[] = $this->msg( "$v-hid" )->plain();
}
foreach ( $unhid as $v ) {
$changes[] = $this->msg( "$v-unhid" )->plain();
}
foreach ( $extra as $v ) {
$changes[] = $this->msg( $v )->plain();
}
$changeText = $this->context->getLanguage()->listToText( $changes );
$newParams = array_slice( $params, 0, 3 );
$newParams[3] = $changeText;
$count = count( explode( ',', $params[$paramStart] ) );
$newParams[4] = $this->context->getLanguage()->formatNum( $count );
return $this->parsedParametersDeleteLog = $newParams;
} else {
return $this->parsedParametersDeleteLog = array_slice( $params, 0, 3 );
}
}
return $this->parsedParametersDeleteLog = $params;
}
protected function parseBitField( $string ) {
// Input is like ofield=2134 or just the number
if ( strpos( $string, 'field=' ) === 1 ) {
list( , $field ) = explode( '=', $string );
return (int)$field;
} else {
return (int)$string;
}
}
public function getActionLinks() {
$user = $this->context->getUser();
if ( !$user->isAllowed( 'deletedhistory' ) || $this->entry->isDeleted( LogPage::DELETED_ACTION ) ) {
return '';
}
switch ( $this->entry->getSubtype() ) {
case 'delete': // Show undelete link
if ( $user->isAllowed( 'undelete' ) ) {
$message = 'undeletelink';
} else {
$message = 'undeleteviewlink';
}
$revert = Linker::linkKnown(
SpecialPage::getTitleFor( 'Undelete' ),
$this->msg( $message )->escaped(),
array(),
array( 'target' => $this->entry->getTarget()->getPrefixedDBkey() )
);
return $this->msg( 'parentheses' )->rawParams( $revert )->escaped();
case 'revision': // If an edit was hidden from a page give a review link to the history
$params = $this->extractParameters();
if ( !isset( $params[3] ) || !isset( $params[4] ) ) {
return '';
}
// Different revision types use different URL params...
$key = $params[3];
// This is a CSV of the IDs
$ids = explode( ',', $params[4] );
$links = array();
// If there's only one item, we can show a diff link
if ( count( $ids ) == 1 ) {
// Live revision diffs...
if ( $key == 'oldid' || $key == 'revision' ) {
$links[] = Linker::linkKnown(
$this->entry->getTarget(),
$this->msg( 'diff' )->escaped(),
array(),
array(
'diff' => intval( $ids[0] ),
'unhide' => 1
)
);
// Deleted revision diffs...
} elseif ( $key == 'artimestamp' || $key == 'archive' ) {
$links[] = Linker::linkKnown(
SpecialPage::getTitleFor( 'Undelete' ),
$this->msg( 'diff' )->escaped(),
array(),
array(
'target' => $this->entry->getTarget()->getPrefixedDBkey(),
'diff' => 'prev',
'timestamp' => $ids[0]
)
);
}
}
// View/modify link...
$links[] = Linker::linkKnown(
SpecialPage::getTitleFor( 'Revisiondelete' ),
$this->msg( 'revdel-restore' )->escaped(),
array(),
array(
'target' => $this->entry->getTarget()->getPrefixedText(),
'type' => $key,
'ids' => implode( ',', $ids ),
)
);
return $this->msg( 'parentheses' )->rawParams(
$this->context->getLanguage()->pipeList( $links ) )->escaped();
case 'event': // Hidden log items, give review link
$params = $this->extractParameters();
if ( !isset( $params[3] ) ) {
return '';
}
// This is a CSV of the IDs
$query = $params[3];
// Link to each hidden object ID, $params[1] is the url param
$revert = Linker::linkKnown(
SpecialPage::getTitleFor( 'Revisiondelete' ),
$this->msg( 'revdel-restore' )->escaped(),
array(),
array(
'target' => $this->entry->getTarget()->getPrefixedText(),
'type' => 'logging',
'ids' => $query
)
);
return $this->msg( 'parentheses' )->rawParams( $revert )->escaped();
default:
return '';
}
}
}
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