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<?php
/**
* This pager is used by Special:Notifications (NO-JS).
* The heavy-lifting is done by IndexPager (grand-parent to this class).
* It paginates on notification_event for a specific user, only for the enabled event types.
*/
class NotificationPager extends ReverseChronologicalPager {
/**
* @param IContextSource $context
*/
public function __construct( IContextSource $context ) {
$dbFactory = MWEchoDbFactory::newFromDefault();
$this->mDb = $dbFactory->getEchoDb( DB_REPLICA );
parent::__construct( $context );
}
public function formatRow( $row ) {
throw new Exception( "This pager does not support row formatting. " .
"Use 'getNotifications()' to get a list of EchoNotification objects." );
}
public function getQueryInfo() {
$attributeManager = EchoAttributeManager::newFromGlobalVars();
$eventTypes = $attributeManager->getUserEnabledEvents( $this->getUser(), 'web' );
return [
'tables' => [ 'echo_notification', 'echo_event' ],
'fields' => EchoNotification::selectFields(),
'conds' => [
'notification_user' => $this->getUser()->getId(),
'event_type' => $eventTypes,
'event_deleted' => 0,
],
'options' => [],
'join_conds' =>
[ 'echo_event' =>
[
'JOIN',
'notification_event=event_id',
],
],
];
}
public function getNotifications() {
if ( !$this->mQueryDone ) {
$this->doQuery();
}
$notifications = [];
foreach ( $this->mResult as $row ) {
$notifications[] = EchoNotification::newFromRow( $row );
}
// get rid of the overfetched
if ( count( $notifications ) > $this->getLimit() ) {
array_pop( $notifications );
}
if ( $this->mIsBackwards ) {
$notifications = array_reverse( $notifications );
}
return $notifications;
}
public function getIndexField() {
return 'notification_event';
}
}
|
GitWeb
