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|
<?php
class ApiEchoUnreadNotificationPages extends ApiQueryBase {
use ApiCrossWiki;
/**
* @var bool
*/
protected $crossWikiSummary = false;
/**
* @param ApiQuery $query
* @param string $moduleName
*/
public function __construct( $query, $moduleName ) {
parent::__construct( $query, $moduleName, 'unp' );
}
/**
* @throws ApiUsageException
*/
public function execute() {
// To avoid API warning, register the parameter used to bust browser cache
$this->getMain()->getVal( '_' );
if ( $this->getUser()->isAnon() ) {
$this->dieWithError( 'apierror-mustbeloggedin-generic', 'login-required' );
}
$params = $this->extractRequestParams();
$result = [];
if ( in_array( wfWikiId(), $this->getRequestedWikis() ) ) {
$result[wfWikiID()] = $this->getFromLocal( $params['limit'], $params['grouppages'] );
}
if ( $this->getRequestedForeignWikis() ) {
$result += $this->getUnreadNotificationPagesFromForeign();
}
$apis = $this->getForeignNotifications()->getApiEndpoints( $this->getRequestedWikis() );
foreach ( $result as $wiki => $data ) {
$result[$wiki]['source'] = $apis[$wiki];
$result[$wiki]['pages'] = $data['pages'] ?: [];
}
$this->getResult()->addValue( 'query', $this->getModuleName(), $result );
}
/**
* @param int $limit
* @param bool $groupPages
* @return array
*/
protected function getFromLocal( $limit, $groupPages ) {
$attributeManager = EchoAttributeManager::newFromGlobalVars();
$enabledTypes = $attributeManager->getUserEnabledEvents( $this->getUser(), 'web' );
$dbr = MWEchoDbFactory::newFromDefault()->getEchoDb( DB_REPLICA );
// If $groupPages is true, we need to fetch all pages and apply the ORDER BY and LIMIT ourselves
// after grouping.
$extraOptions = $groupPages ? [] : [ 'ORDER BY' => 'count DESC', 'LIMIT' => $limit ];
$rows = $dbr->select(
[ 'echo_event', 'echo_notification' ],
[ 'event_page_id', 'count' => 'COUNT(*)' ],
[
'notification_user' => $this->getUser()->getId(),
'notification_read_timestamp' => null,
'event_deleted' => 0,
'event_type' => $enabledTypes,
],
__METHOD__,
[
'GROUP BY' => 'event_page_id',
] + $extraOptions,
[ 'echo_notification' => [ 'INNER JOIN', 'notification_event = event_id' ] ]
);
if ( $rows === false ) {
return [];
}
$nullCount = 0;
$pageCounts = [];
foreach ( $rows as $row ) {
if ( $row->event_page_id !== null ) {
$pageCounts[$row->event_page_id] = intval( $row->count );
} else {
$nullCount = intval( $row->count );
}
}
$titles = Title::newFromIDs( array_keys( $pageCounts ) );
$groupCounts = [];
foreach ( $titles as $title ) {
if ( $groupPages ) {
// If $title is a talk page, add its count to its subject page's count
$pageName = $title->getSubjectPage()->getPrefixedText();
} else {
$pageName = $title->getPrefixedText();
}
$count = $pageCounts[$title->getArticleId()];
if ( isset( $groupCounts[$pageName] ) ) {
$groupCounts[$pageName] += $count;
} else {
$groupCounts[$pageName] = $count;
}
}
$userPageName = $this->getUser()->getUserPage()->getPrefixedText();
if ( $nullCount > 0 && $groupPages ) {
// Add the count for NULL (not associated with any page) to the count for the user page
if ( isset( $groupCounts[$userPageName] ) ) {
$groupCounts[$userPageName] += $nullCount;
} else {
$groupCounts[$userPageName] = $nullCount;
}
}
arsort( $groupCounts );
if ( $groupPages ) {
$groupCounts = array_slice( $groupCounts, 0, $limit );
}
$result = [];
foreach ( $groupCounts as $pageName => $count ) {
if ( $groupPages ) {
$title = Title::newFromText( $pageName );
$pages = [ $title->getSubjectPage()->getPrefixedText() ];
if ( $title->canHaveTalkPage() ) {
$pages[] = $title->getTalkPage()->getPrefixedText();
}
if ( $pageName === $userPageName ) {
$pages[] = null;
}
$pageDescription = [
'ns' => $title->getNamespace(),
'title' => $title->getPrefixedText(),
'unprefixed' => $title->getText(),
'pages' => $pages,
];
} else {
$pageDescription = [ 'title' => $pageName ];
}
$result[] = $pageDescription + [
'count' => $count,
];
}
if ( !$groupPages && $nullCount > 0 ) {
$result[] = [
'title' => null,
'count' => $nullCount,
];
}
return [
'pages' => $result,
'totalCount' => MWEchoNotifUser::newFromUser( $this->getUser() )->getLocalNotificationCount(),
];
}
/**
* @return array
*/
protected function getUnreadNotificationPagesFromForeign() {
$result = [];
foreach ( $this->getFromForeign() as $wiki => $data ) {
$result[$wiki] = $data['query'][$this->getModuleName()][$wiki];
}
return $result;
}
/**
* @return array[]
*/
public function getAllowedParams() {
global $wgEchoMaxUpdateCount;
return $this->getCrossWikiParams() + [
'grouppages' => [
ApiBase::PARAM_TYPE => 'boolean',
ApiBase::PARAM_DFLT => false,
],
'limit' => [
ApiBase::PARAM_TYPE => 'limit',
ApiBase::PARAM_DFLT => 10,
ApiBase::PARAM_MIN => 1,
ApiBase::PARAM_MAX => $wgEchoMaxUpdateCount,
ApiBase::PARAM_MAX2 => $wgEchoMaxUpdateCount,
],
// there is no `offset` or `continue` value: the set of possible
// notifications is small enough to allow fetching all of them at
// once, and any sort of fetching would be unreliable because
// they're sorted based on count of notifications, which could
// change in between requests
];
}
/**
* @see ApiBase::getExamplesMessages()
* @return string[]
*/
protected function getExamplesMessages() {
return [
'action=query&meta=unreadnotificationpages' => 'apihelp-query+unreadnotificationpages-example-1',
];
}
public function getHelpUrls() {
return 'https://www.mediawiki.org/wiki/Echo_(Notifications)/API';
}
}
|
GitWeb