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| 1 | <?php |
| 2 | |
| 3 | namespace GlobalPreferences; |
| 4 | |
| 5 | use DBAccessObjectUtils; |
| 6 | use IDBAccessObject; |
| 7 | use MediaWiki\Logger\LoggerFactory; |
| 8 | use MediaWiki\User\CentralId\CentralIdLookup; |
| 9 | use MediaWiki\User\Options\UserOptionsStore; |
| 10 | use MediaWiki\User\UserIdentity; |
| 11 | use Psr\Log\LoggerInterface; |
| 12 | |
| 13 | /** |
| 14 | * An interface which allows core to update pre-existing global preferences |
| 15 | */ |
| 16 | class GlobalUserOptionsStore implements UserOptionsStore { |
| 17 | |
| 18 | /** @var CentralIdLookup */ |
| 19 | private $centralIdLookup; |
| 20 | |
| 21 | /** @var LoggerInterface */ |
| 22 | private $logger; |
| 23 | |
| 24 | public function __construct( CentralIdLookup $centralIdLookup ) { |
| 25 | $this->centralIdLookup = $centralIdLookup; |
| 26 | $this->logger = LoggerFactory::getInstance( 'preferences' ); |
| 27 | } |
| 28 | |
| 29 | /** |
| 30 | * @param UserIdentity $user |
| 31 | * @param int $recency |
| 32 | * @return array|string[] |
| 33 | */ |
| 34 | public function fetch( UserIdentity $user, int $recency ) { |
| 35 | $storage = $this->getStorage( $user ); |
| 36 | if ( !$storage ) { |
| 37 | return []; |
| 38 | } |
| 39 | if ( DBAccessObjectUtils::hasFlags( $recency, IDBAccessObject::READ_LATEST ) ) { |
| 40 | $dbType = DB_PRIMARY; |
| 41 | } else { |
| 42 | $dbType = DB_REPLICA; |
| 43 | } |
| 44 | return $storage->loadFromDB( $dbType, $recency ); |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * @param UserIdentity $user |
| 49 | * @param array $updates |
| 50 | * @return bool |
| 51 | */ |
| 52 | public function store( UserIdentity $user, array $updates ) { |
| 53 | $storage = $this->getStorage( $user ); |
| 54 | if ( !$storage ) { |
| 55 | $this->logger->warning( |
| 56 | 'Unable to store preference for non-global user "{userName}"', |
| 57 | [ 'userName' => $user->getName() ] |
| 58 | ); |
| 59 | return false; |
| 60 | } |
| 61 | $replacements = []; |
| 62 | $deletions = []; |
| 63 | foreach ( $updates as $key => $value ) { |
| 64 | if ( $value === null ) { |
| 65 | $deletions[] = $key; |
| 66 | } else { |
| 67 | $replacements[$key] = $value; |
| 68 | } |
| 69 | } |
| 70 | $storage->replaceAndDelete( $replacements, $deletions ); |
| 71 | return $replacements || $deletions; |
| 72 | } |
| 73 | |
| 74 | private function getStorage( UserIdentity $user ): ?Storage { |
| 75 | $id = $this->centralIdLookup->centralIdFromLocalUser( $user ); |
| 76 | if ( !$id ) { |
| 77 | return null; |
| 78 | } |
| 79 | return new Storage( $id ); |
| 80 | } |
| 81 | } |