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| 1 | <?php |
| 2 | |
| 3 | namespace Wikibase\MediaInfo\DataModel; |
| 4 | |
| 5 | use InvalidArgumentException; |
| 6 | use Wikibase\DataModel\Entity\EntityId; |
| 7 | use Wikibase\DataModel\Entity\Int32EntityId; |
| 8 | use Wikibase\DataModel\Entity\SerializableEntityId; |
| 9 | |
| 10 | /** |
| 11 | * Identifier for media info entities, containing a numeric id prefixed by 'M'. |
| 12 | * |
| 13 | * @since 0.1 |
| 14 | * |
| 15 | * @license GPL-2.0-or-later |
| 16 | * @author Bene* < benestar.wikimedia@gmail.com > |
| 17 | * @author Thiemo Kreuz |
| 18 | */ |
| 19 | class MediaInfoId extends SerializableEntityId implements Int32EntityId { |
| 20 | |
| 21 | public const PATTERN = '/^M[1-9]\d{0,9}\z/i'; |
| 22 | |
| 23 | /** |
| 24 | * @param string $idSerialization |
| 25 | * |
| 26 | * @throws InvalidArgumentException |
| 27 | */ |
| 28 | public function __construct( $idSerialization ) { |
| 29 | $this->assertValidIdFormat( $idSerialization ); |
| 30 | parent::__construct( strtoupper( $idSerialization ) ); |
| 31 | } |
| 32 | |
| 33 | private function assertValidIdFormat( $idSerialization ) { |
| 34 | if ( !is_string( $idSerialization ) ) { |
| 35 | throw new InvalidArgumentException( '$idSerialization must be a string' ); |
| 36 | } |
| 37 | |
| 38 | if ( !preg_match( self::PATTERN, $idSerialization ) ) { |
| 39 | throw new InvalidArgumentException( '$idSerialization must match ' . self::PATTERN ); |
| 40 | } |
| 41 | |
| 42 | if ( strlen( $idSerialization ) > 10 |
| 43 | && substr( $idSerialization, 1 ) > Int32EntityId::MAX |
| 44 | ) { |
| 45 | throw new InvalidArgumentException( '$idSerialization can not exceed ' |
| 46 | . Int32EntityId::MAX ); |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * @see Int32EntityId::getNumericId |
| 52 | * |
| 53 | * @return int Guaranteed to be a unique integer in the range [1..2147483647]. |
| 54 | */ |
| 55 | public function getNumericId() { |
| 56 | return (int)substr( $this->serialization, 1 ); |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * @see EntityId::getEntityType |
| 61 | * |
| 62 | * @return string |
| 63 | */ |
| 64 | public function getEntityType() { |
| 65 | return 'mediainfo'; |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * @see Serializable::serialize |
| 70 | * |
| 71 | * @return array |
| 72 | */ |
| 73 | public function __serialize(): array { |
| 74 | return [ 'serialization' => $this->serialization ]; |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * @see Serializable::unserialize |
| 79 | * |
| 80 | * @param array $value |
| 81 | */ |
| 82 | public function __unserialize( array $value ): void { |
| 83 | $this->__construct( $value['serialization'] ?? '' ); |
| 84 | if ( $this->serialization !== $value['serialization'] ) { |
| 85 | throw new InvalidArgumentException( '$value contained invalid serialization' ); |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | } |