loadData();
global $wgOut, $wgUser, $wgLang;
$this->mSkin = $wgUser->getSkin();
$links = array();
if ( $this->mFilter ) {
$links['abusefilter-history-backedit'] = $this->getTitle( $this->mFilter );
$links['abusefilter-diff-backhistory'] = $this->getTitle( 'history/' . $this->mFilter );
}
foreach ( $links as $msg => $title ) {
$links[$msg] = $this->mSkin->link( $title, wfMsgExt( $msg, 'parseinline' ) );
}
$backlinks = $wgLang->pipeList( $links );
$wgOut->addHTML( Xml::tags( 'p', null, $backlinks ) );
if ( $show )
$wgOut->addHTML( $this->formatDiff() );
}
function loadData() {
$oldSpec = $this->mParams[3];
$newSpec = $this->mParams[4];
$this->mFilter = $this->mParams[1];
$this->mOldVersion = $this->loadSpec( $oldSpec, $newSpec );
$this->mNewVersion = $this->loadSpec( $newSpec, $oldSpec );
if ( is_null( $this->mOldVersion ) || is_null( $this->mNewVersion ) ) {
global $wgOut;
$wgOut->addWikiMsg( 'abusefilter-diff-invalid' );
return false;
}
return true;
}
function loadSpec( $spec, $otherSpec ) {
static $dependentSpecs = array( 'prev', 'next' );
static $cache = array();
global $wgUser;
if ( AbuseFilter::filterHidden( $this->mFilter ) &&
!$wgUser->isAllowed( 'abusefilter-modify' ) ) {
return null;
}
if ( isset( $cache[$spec] ) )
return $cache[$spec];
$dbr = wfGetDB( DB_SLAVE );
if ( is_numeric( $spec ) ) {
$row = $dbr->selectRow(
'abuse_filter_history',
'*',
array( 'afh_id' => $spec, 'afh_filter' => $this->mFilter ),
__METHOD__
);
} elseif ( $spec == 'cur' ) {
$row = $dbr->selectRow(
'abuse_filter_history',
'*',
array( 'afh_filter' => $this->mFilter ),
__METHOD__,
array( 'ORDER BY' => 'afh_timestamp desc' )
);
} elseif ( $spec == 'prev' && !in_array( $otherSpec, $dependentSpecs ) ) {
// cached
$other = $this->loadSpec( $otherSpec, $spec );
$row = $dbr->selectRow(
'abuse_filter_history',
'*',
array(
'afh_filter' => $this->mFilter,
'afh_id<' . $dbr->addQuotes( $other['meta']['history_id'] ),
),
__METHOD__,
array( 'ORDER BY' => 'afh_timestamp desc' )
);
if ( $other && !$row ) {
$t = $this->getTitle(
'history/' . $this->mFilter . '/item/' . $other['meta']['history_id'] );
global $wgOut;
$wgOut->redirect( $t->getFullURL() );
return;
}
} elseif ( $spec == 'next' && !in_array( $otherSpec, $dependentSpecs ) ) {
// cached
$other = $this->loadSpec( $otherSpec, $spec );
$row = $dbr->selectRow(
'abuse_filter_history',
'*',
array(
'afh_filter' => $this->mFilter,
'afh_id>' . $dbr->addQuotes( $other['meta']['history_id'] ),
),
__METHOD__,
array( 'ORDER BY' => 'afh_timestamp DESC' )
);
if ( $other && !$row ) {
$t = $this->getTitle(
'history/' . $this->mFilter . '/item/' . $other['meta']['history_id'] );
global $wgOut;
$wgOut->redirect( $t->getFullURL() );
return;
}
}
if ( !$row )
return null;
$data = $this->loadFromHistoryRow( $row );
$cache[$spec] = $data;
return $data;
}
function loadFromHistoryRow( $row ) {
return array(
'meta' => array(
'history_id' => $row->afh_id,
'modified_by' => $row->afh_user,
'modified_by_text' => $row->afh_user_text,
'modified' => $row->afh_timestamp,
),
'info' => array(
'description' => $row->afh_public_comments,
'flags' => $row->afh_flags,
'notes' => $row->afh_comments,
),
'pattern' => $row->afh_pattern,
'actions' => unserialize( $row->afh_actions ),
);
}
function formatVersionLink( $timestamp, $history_id ) {
global $wgLang, $wgUser;
$sk = $wgUser->getSkin();
$filter = $this->mFilter;
$text = $wgLang->timeanddate( $timestamp );
$title = $this->getTitle( "history/$filter/item/$history_id" );
$link = $sk->link( $title, $text );
return $link;
}
function formatDiff() {
$oldVersion = $this->mOldVersion;
$newVersion = $this->mNewVersion;
// headings
$oldLink = $this->formatVersionLink(
$oldVersion['meta']['modified'],
$oldVersion['meta']['history_id']
);
$newLink = $this->formatVersionLink(
$newVersion['meta']['modified'],
$newVersion['meta']['history_id']
);
$sk = $this->mSkin;
$oldUserLink = $sk->userLink(
$oldVersion['meta']['modified_by'],
$oldVersion['meta']['modified_by_text']
);
$newUserLink = $sk->userLink(
$newVersion['meta']['modified_by'],
$newVersion['meta']['modified_by_text']
);
$headings = '';
$headings .= Xml::tags( 'th', null,
wfMsgExt( 'abusefilter-diff-item', 'parseinline' ) );
$headings .= Xml::tags( 'th', null,
wfMsgExt( 'abusefilter-diff-version',
array( 'parseinline', 'replaceafter' ),
array( $oldLink, $oldUserLink,
$newVersion['meta']['modified_by_text'] )
)
);
$headings .= Xml::tags( 'th', null,
wfMsgExt( 'abusefilter-diff-version',
array( 'parseinline', 'replaceafter' ),
array( $newLink, $newUserLink )
)
);
$headings = Xml::tags( 'tr', null, $headings );
// Basic info
$info = '';
$info .= $this->getHeaderRow( 'abusefilter-diff-info' );
$info .= $this->getSimpleRow(
'abusefilter-edit-description',
$oldVersion['info']['description'],
$newVersion['info']['description'],
'wikitext'
);
$info .= $this->getSimpleRow(
'abusefilter-edit-flags',
AbuseFilter::formatFlags( $oldVersion['info']['flags'] ),
AbuseFilter::formatFlags( $newVersion['info']['flags'] )
);
$info .= $this->getMultiLineRow(
'abusefilter-edit-notes',
$oldVersion['info']['notes'],
$newVersion['info']['notes']
);
// Pattern
$info .= $this->getHeaderRow( 'abusefilter-diff-pattern' );
$info .= $this->getMultiLineRow(
'abusefilter-edit-rules',
$oldVersion['pattern'],
$newVersion['pattern'],
'text'
);
// Actions
$oldActions = $this->stringifyActions( $oldVersion['actions'] );
$newActions = $this->stringifyActions( $newVersion['actions'] );
$info .= $this->getHeaderRow( 'abusefilter-edit-consequences' );
$info .= $this->getMultiLineRow(
'abusefilter-edit-consequences',
$oldActions,
$newActions
);
$html = "";
$html = Xml::tags( 'h2', null, wfMsgExt( 'abusefilter-diff-title', 'parseinline' ) ) . $html;
return $html;
}
function stringifyActions( $actions ) {
$lines = array();
ksort( $actions );
foreach ( $actions as $action => $parameters ) {
$lines[] = AbuseFilter::formatAction( $action, $parameters );
}
if ( !count( $lines ) )
$lines[] = '';
return $lines;
}
function getHeaderRow( $msg ) {
$html = wfMsgExt( $msg, 'parseinline' );
$html = Xml::tags( 'th', array( 'colspan' => 3 ), $html );
$html = Xml::tags( 'tr', array( 'class' => 'mw-abusefilter-diff-header' ), $html );
return $html;
}
function getSimpleRow( $msg, $old, $new, $format = 'wikitext' ) {
$row = '';
$row .= Xml::tags( 'th', null, wfMsgExt( $msg, 'parseinline' ) );
$oldClass = $newClass = 'mw-abusefilter-diff-context';
if ( trim( $old ) != trim( $new ) ) {
$oldClass = 'mw-abusefilter-diff-removed';
$newClass = 'mw-abusefilter-diff-added';
}
if ( $format == 'wikitext' ) {
global $wgOut;
$old = $wgOut->parseInline( $old );
$new = $wgOut->parseInline( $new );
}
if ( $format == 'text' ) {
$old = htmlspecialchars( $old );
$new = htmlspecialchars( $new );
}
$row .= Xml::tags( 'td', array( 'class' => $oldClass ), $old );
$row .= Xml::tags( 'td', array( 'class' => $newClass ), $new );
return Xml::tags( 'tr', null, $row ) . "\n";
}
function getMultiLineRow( $msg, $old, $new ) {
if ( !is_array( $old ) )
$old = explode( "\n", $old );
if ( !is_array( $new ) )
$new = explode( "\n", $new );
if ( $old == $new ) {
$old = implode( "
\n", $old );
$new = implode( "
\n", $new );
return $this->getSimpleRow( $msg, $old, $new, 'text' );
}
$row = '';
$row .= Xml::tags( 'th', null, wfMsgExt( $msg, 'parseinline' ) );
$diff = new Diff( $old, $new );
$formatter = new TableDiffFormatter();
$formattedDiff = $formatter->format( $diff );
$formattedDiff =
"";
$row .= Xml::tags( 'td', array( 'colspan' => 2 ), $formattedDiff );
return Xml::tags( 'tr', null, $row ) . "\n";
}
}