mediawiki-extensions-Echo/includes/UnreadWikis.php
Umherirrender 08cb7a470a Change doc type from DatabaseBase to IDatabase
Change-Id: I853b7cef85fdd77c28a947a8f3601f84ba17359a
2017-12-22 23:20:13 +01:00

145 lines
3 KiB
PHP

<?php
/**
* Manages what wikis a user has unread notifications on
*/
class EchoUnreadWikis {
/**
* @var string
*/
const DEFAULT_TS = '00000000000000';
/**
* @var int
*/
private $id;
/**
* @var MWEchoDbFactory
*/
private $dbFactory;
/**
* @param int $id Central user id
*/
public function __construct( $id ) {
$this->id = $id;
$this->dbFactory = MWEchoDbFactory::newFromDefault();
}
/**
* Use the user id provided by the CentralIdLookup
*
* @param User $user
* @return EchoUnreadWikis|bool
*/
public static function newFromUser( User $user ) {
$lookup = CentralIdLookup::factory();
$id = $lookup->centralIdFromLocalUser( $user, CentralIdLookup::AUDIENCE_RAW );
if ( !$id ) {
return false;
}
return new self( $id );
}
/**
* @param int $index DB_* constant
* @return bool|\Wikimedia\Rdbms\IDatabase
*/
private function getDB( $index ) {
return $this->dbFactory->getSharedDb( $index );
}
/**
* @return array
*/
public function getUnreadCounts() {
$dbr = $this->getDB( DB_REPLICA );
if ( $dbr === false ) {
return [];
}
$rows = $dbr->select(
'echo_unread_wikis',
[
'euw_wiki',
'euw_alerts', 'euw_alerts_ts',
'euw_messages', 'euw_messages_ts',
],
[ 'euw_user' => $this->id ],
__METHOD__
);
$wikis = [];
foreach ( $rows as $row ) {
if ( !$row->euw_alerts && !$row->euw_messages ) {
// This shouldn't happen, but lets be safe...
continue;
}
$wikis[$row->euw_wiki] = [
EchoAttributeManager::ALERT => [
'count' => $row->euw_alerts,
'ts' => $row->euw_alerts_ts,
],
EchoAttributeManager::MESSAGE => [
'count' => $row->euw_messages,
'ts' => $row->euw_messages_ts,
],
];
}
return $wikis;
}
/**
* @param string $wiki Wiki code
* @param int $alertCount Number of alerts
* @param MWTimestamp|bool $alertTime Timestamp of most recent unread alert, or
* false meaning no timestamp because there are no unread alerts.
* @param int $msgCount Number of messages
* @param MWTimestamp|bool $msgTime Timestamp of most recent message, or
* false meaning no timestamp because there are no unread messages.
*/
public function updateCount( $wiki, $alertCount, $alertTime, $msgCount, $msgTime ) {
$dbw = $this->getDB( DB_MASTER );
if ( $dbw === false ) {
return;
}
$conditions = [
'euw_user' => $this->id,
'euw_wiki' => $wiki,
];
if ( $alertCount || $msgCount ) {
$values = [
'euw_alerts' => $alertCount,
'euw_alerts_ts' => $alertCount
? $alertTime->getTimestamp( TS_MW )
: static::DEFAULT_TS,
'euw_messages' => $msgCount,
'euw_messages_ts' => $msgCount
? $msgTime->getTimestamp( TS_MW )
: static::DEFAULT_TS,
];
// when there is unread alert(s) and/or message(s), upsert the row
$dbw->upsert(
'echo_unread_wikis',
$conditions + $values,
[ 'euw_user', 'euw_wiki' ],
$values,
__METHOD__
);
} else {
// No unread notifications, delete the row
$dbw->delete(
'echo_unread_wikis',
$conditions,
__METHOD__
);
}
}
}