/**
* Get tag dropdown select
* @param int $selected, selected level
* @return string
*/
public static function getTagMenu( $selected = '' ) {
$s = "<label for='wpRatingTag'>" . wfMsgHtml('readerfeedback-tagfilter') . "</label> ";
$s .= Xml::openElement( 'select', array('name' => 'ratingtag', 'id' => 'wpRatingTag') );
foreach( ReaderFeedback::getFeedbackTags() as $tag => $weight ) {
$s .= Xml::option( wfMsg( "readerfeedback-$tag" ), $tag, $selected===$tag );
}
$s .= Xml::closeElement('select')."\n";
return $s;
}
protected function showPageList() {
global $wgOut;
$tags = ReaderFeedback::getFeedbackTags();
$pager = new RatedPagesPager( $this, array(), $this->namespace, $this->tag, $this->tier );
if( isset($tags[$this->tag]) && $pager->getNumRows() ) {
$wgOut->addHTML( wfMsgExt('ratedpages-list', array('parse') ) );
$wgOut->addHTML( $pager->getNavigationBar() );
$wgOut->addHTML( $pager->getBody() );
$wgOut->addHTML( $pager->getNavigationBar() );
} elseif( $this->tag ) { // must select first...
$wgOut->addHTML( wfMsgExt('ratedpages-none', array('parse') ) );
}
}
/**
* Get a table of the vote totals for a page
* @param Title $page
* @param int $period, number of days back
* @param array $add, optional vote to add on (used to visually avoid lag)
* @param string $cache, optional param to not use cache
* @return string HTML table
*/
public static function getVoteAggregates(
$page, $period, $add = array(), $cache = 'useCache'
) {
global $wgLang, $wgMemc;
$votes = null;
$now = time();
$key = wfMemcKey( 'feedback', 'ratingtally', $page->getArticleId(), $period );
// Check cache
if( $cache == 'useCache' ) {
$set = $wgMemc->get($key);
// Cutoff is at the 24 hour mark due to the way the aggregate
// schema groups ratings by date for graphs.
$cache_cutoff = $now - ($now % 86400);
if( is_array($set) && count($set) == 2 ) {
list($val,$time) = $set;
$touched = wfTimestamp( TS_UNIX, RatingHistory::getTouched($page) );
if( $time > $cache_cutoff && $time > $touched ) {
$votes = $val;
}
}
}
// Do query, cache miss
if( !isset($votes) ) {
// Set cutoff time for period
$dbr = wfGetDB( DB_SLAVE );
$cutoff_unixtime = $now - ($period * 24 * 3600);
// Use integral number of days to be consistent with graphs
$cutoff_unixtime = $cutoff_unixtime - ($cutoff_unixtime % 86400);
$cutoff = $dbr->addQuotes( $dbr->timestamp( $cutoff_unixtime ) );
// Get the first revision possibly voted on in the range
$firstRevTS = $dbr->selectField( 'revision',
'rev_timestamp',
array( 'rev_page' => $page->getArticleId(), "rev_timestamp <= $cutoff" ),
__METHOD__,
array( 'ORDER BY' => 'rev_timestamp DESC' )
);
// Find average, median...
$res = $dbr->select( array( 'revision', 'reader_feedback' ),
array( 'rfb_ratings' ),
array( 'rev_page' => $page->getArticleId(),
"rev_id = rfb_rev_id",
"rfb_timestamp >= $cutoff",
// Trigger INDEX usage
"rev_timestamp >= ".$dbr->addQuotes($firstRevTS) ),
__METHOD__,
array( 'USE INDEX' => array('revision' => 'page_timestamp') )
);
$votes = array();
foreach( ReaderFeedback::getFeedbackTags() as $tag => $w ) {
$votes[$tag] = array( 0 => 0, 1 => 0, 2 => 0, 3 => 0, 4 => 0 );
}
// Read votes and tally the numbers
foreach ( $res as $row ) {
$dims = ReaderFeedback::expandRatings( $row->rfb_ratings );
foreach( $dims as $tag => $val ) {
if( isset($votes[$tag]) && isset($votes[$tag][$val]) ) {
$votes[$tag][$val]++;
}
}
}
// Tack on $add for display (used to avoid cache/lag)
foreach( $add as $tag => $val ) {
if( isset($votes[$tag]) && isset($votes[$tag][$val]) ) {
$votes[$tag][$val]++;
}
}
$wgMemc->set( $key, array( $votes, $now ), 24*3600 );
}
// Output multi-column list
$html = "<table class='rfb-reader_feedback_table' cellspacing='0'><tr>";
foreach( ReaderFeedback::getFeedbackTags() as $tag => $w ) {
// Get tag average...
$dist = isset($votes[$tag]) ? $votes[$tag] : array();
$count = array_sum($dist);
if( $count ) {
$ave = ($dist[0] + 2*$dist[1] + 3*$dist[2] + 4*$dist[3] + 5*$dist[4])/$count;
$ave = round($ave,1);
} else {
$ave = '-'; // DIV by zero
}
$html .= '<td align="center"><b>'.wfMsgHtml("readerfeedback-$tag").'</b>  '.
'<sup>('.wfMsgHtml('ratinghistory-ave',$wgLang->formatNum($ave)).')</sup></td>';
}
$html .= '</tr><tr>';
foreach( $votes as $dist ) {
$html .= '<td><table>';
$html .= '<tr><th align="left">'.wfMsgHtml('ratinghistory-table-rating').'</th>';
for( $i = 1; $i <= 5; $i++ ) {
$html .= "<td align='center' class='rfb-rating-option-".($i-1)."'>$i</td>";
}
$html .= '</tr><tr>';
$html .= '<th align="left">'.wfMsgHtml("ratinghistory-table-votes").'</th>';
$html .= '<td align="center">'.$dist[0].'</td>';
$html .= '<td align="center">'.$dist[1].'</td>';
$html .= '<td align="center">'.$dist[2].'</td>';
$html .= '<td align="center">'.$dist[3].'</td>';
$html .= '<td align="center">'.$dist[4].'</td>';
$html .= "</tr></table></td>\n";
}
$html .= '</tr></table>';
return $html;
}
/**
* Adds a brief feedback form to a page.
* @param OutputPage $out
* @param bool $top, should this form always go on top?
* @param Title $title
*/
protected static function addQuickFeedback( &$data, $top = false, $title ) {
global $wgOut, $wgUser, $wgFeedbackTags;
# Are there any reader input tags?
if( empty($wgFeedbackTags) ) {
return false;
}
# Revision being displayed
$id = $wgOut->getRevisionId();
# Load required messages
$reviewTitle = SpecialPage::getTitleFor( 'ReaderFeedback' );
$action = $reviewTitle->getLocalUrl( 'action=submit' );
$form = Xml::openElement( 'form', array( 'method' => 'post', 'action' => $action,
'id' => 'mw-feedbackform' ) );
$form .= Xml::openElement( 'fieldset', array('class' => 'feedback_reviewform noprint') );
$form .= "<legend><strong>" . wfMsgHtml( 'readerfeedback' ) . "</strong></legend>\n";
# Avoid clutter
if( !$wgUser->isAllowed('review') ) {
$form .= wfMsgExt( 'readerfeedback-text', array('parse') );
}
$form .= Xml::openElement( 'span', array('id' => 'mw-feedbackselects') );
# Loop through all different flag types
foreach( ReaderFeedback::getFeedbackTags() as $quality => $levels ) {
$selected = ( isset($flags[$quality]) && $flags[$quality] > 0 ) ? $flags[$quality] : -1;
$form .= "<b>" . Xml::label( wfMsgHtml("readerfeedback-$quality"), "wp$quality" ) . ":</b>";
$attribs = array( 'name' => "wp$quality", 'id' => "wp$quality",
'onchange' => "updateFeedbackForm()" );
$form .= ' ' . Xml::openElement( 'select', $attribs );
$levels = array_reverse($levels,true);
foreach( $levels as $i => $name ) {
$optionClass = array( 'class' => "rfb-rating-option-$i" );
$form .= Xml::option( wfMsg("readerfeedback-level-$i"), $i, ($i == $selected), $optionClass ) ."\n";
}
$form .= Xml::option( wfMsg("readerfeedback-level-none"), -1, (-1 == $selected) ) ."\n";
$form .= Xml::closeElement( 'select' )."\n";
}
$form .= Xml::closeElement( 'span' );
$form .= Xml::submitButton( wfMsg('readerfeedback-submit'),
array('id' => 'submitfeedback','accesskey' => wfMsg('readerfeedback-ak-review'),
'title' => wfMsg('readerfeedback-tt-review').' ['.wfMsg('readerfeedback-ak-review').']' )
);
# Hidden params
$form .= Html::hidden( 'title', $reviewTitle->getPrefixedText() ) . "\n";
$form .= Html::hidden( 'target', $title->getPrefixedDBKey() ) . "\n";
$form .= Html::hidden( 'oldid', $id ) . "\n";
$form .= Html::hidden( 'validatedParams', ReaderFeedbackPage::validationKey( $id, $wgUser->getId() ) );
$form .= Html::hidden( 'action', 'submit') . "\n";
$form .= Html::hidden( 'wpEditToken', $wgUser->editToken() ) . "\n";
# Honeypot input
$form .= Xml::input( 'commentary', 12, '', array('style' => 'display:none;') ) . "\n";
$form .= Xml::closeElement( 'fieldset' );
$form .= Xml::closeElement( 'form' );
if( $top ) {
$wgOut->prependHTML( $form );
} else {
$data .= $form;
}
return true;
}
public static function AjaxReview( /*$args...*/ ) {
global $wgUser;
$args = func_get_args();
// Basic permission check
if( $wgUser->isAllowed( 'feedback' ) ) {
if( $wgUser->isBlocked() ) {
return '<err#><h2>' . wfMsgHtml('blockedtitle') . '</h2>' .
wfMsg('badaccess-group0');
}
} else {
return '<err#><strong>' . wfMsg('badaccess-group0') . '</<strong>';
}
if( wfReadOnly() ) {
return '<err#><strong>' . wfMsg('formerror') . '</<strong>';
}
$tags = ReaderFeedback::getFeedbackTags();
// Make review interface object
$form = new ReaderFeedbackPage();
$form->dims = array();
$unsureCount = 0;
$bot = false;
// Each ajax url argument is of the form param|val.
// This means that there is no ugly order dependance.
foreach( $args as $arg ) {
$set = explode('|',$arg,2);
if( count($set) != 2 ) {
return '<err#>' . wfMsg('formerror');
}
list($par,$val) = $set;
switch( $par )
{
case "target":
$form->page = Title::newFromURL( $val );
if( is_null($form->page) || !ReaderFeedback::isPageRateable( $form->page ) ) {
return '<err#>' . wfMsg('formerror');
}
break;
case "oldid":
$form->oldid = intval( $val );
if( !$form->oldid ) {
return '<err#>' . wfMsg('formerror');
}
break;
case "validatedParams":
$form->validatedParams = $val;
break;
case "wpEditToken":
if( !$wgUser->matchEditToken( $val ) ) {
return '<err#>' . wfMsg('formerror');
}
break;
case "commentary": // honeypot value
if( $val )
$bot = true;
break;
default:
$p = preg_replace( '/^wp/', '', $par ); // kill any "wp" prefix
if( array_key_exists( $p, $tags ) ) {
$form->dims[$p] = intval($val);
if( $form->dims[$p] === null ) { // nothing sent at all :(
return '<err#>' . wfMsg('formerror'); // bad range
} elseif( $form->dims[$p] === -1 ) {
$unsureCount++;
}
}
break;
}
}
// Missing params?
if( count($form->dims) != count($tags) || $unsureCount >= count($form->dims) ) {
return '<err#>' . wfMsg('formerror');
}
// Doesn't match up?
if( $form->validatedParams != self::validationKey( $form->oldid, $wgUser->getId() ) ) {
return '<err#>' . wfMsg('formerror');
}
$rhist = SpecialPage::getTitleFor( 'RatingHistory' );
$graphLink = $rhist->getFullUrl( 'target='.$form->page->getPrefixedUrl() );
$talk = $form->page->getTalkPage();
$tallyTable = ReaderFeedback::getVoteAggregates( $form->page, 31, $form->dims );
$dbw = wfGetDB( DB_MASTER );
$dbw->begin();
if( $bot ) {
$ok = self::REVIEW_ERROR; // don't submit for mindless drones
} else {
$ok = $form->submit();
}
$dbw->commit();
switch( $ok ) {
case self::REVIEW_OK:
return '<suc#>' .
"<div class='plainlinks'>" .
wfMsgExt( 'readerfeedback-success', array('parseinline'),
$form->page->getPrefixedText(), $graphLink,
$talk->getFullUrl( 'action=edit§ion=new' ) ) .
'<h4>'.wfMsgHtml('ratinghistory-table')."</h4>\n$tallyTable" .
"</div>";
case self::REVIEW_DUP:
return '<err#>' .
"<div class='plainlinks'>" .
wfMsgExt( 'readerfeedback-voted', array('parseinline'),
$form->page->getPrefixedText(), $graphLink,
$talk->getFullUrl( 'action=edit§ion=new' ) ) .
"</div>";
default:
return '<err#>' .
"<div class='plainlinks'>" .
wfMsgExt( 'readerfeedback-error', array('parseinline'),
$form->page->getPrefixedText(), $graphLink,
$talk->getFullUrl( 'action=edit§ion=new' ) ) .
"</div>";
}
}
public function purgePage() {
global $wgUploadDirectory;
foreach( ReaderFeedback::getFeedbackTags() as $tag => $weight ) {
$dir = "{$wgUploadDirectory}/graphs/".$this->page->getArticleId()."/{$tag}/";
if( is_dir( $dir ) ) {
$handle = opendir( $dir );
if( $handle ) {
while( false !== ( $file = readdir($handle) ) ) {
@unlink("$dir/$file");
}
closedir( $handle );
}
}
@rmdir( $dir );
}
return true;
}
