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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace LambdaTwelve\OneRecord\Spec; |
| 6 | |
| 7 | use LogicException; |
| 8 | |
| 9 | /** |
| 10 | * A version of the ONE Record cargo ontology (the data model). |
| 11 | * |
| 12 | * The API is independent of the data model version by specification: terms are |
| 13 | * never versioned in payloads, and a server validates against the newest |
| 14 | * ontology it knows. The version still matters when publishing to a partner |
| 15 | * that runs an older ontology, so vocabulary terms record the version they |
| 16 | * appeared in and builders can be given a ceiling. |
| 17 | */ |
| 18 | enum DataModelVersion: string |
| 19 | { |
| 20 | case V3_2 = '3.2'; |
| 21 | case V3_3 = '3.3'; |
| 22 | |
| 23 | public static function latest(): self |
| 24 | { |
| 25 | $cases = self::cases(); |
| 26 | |
| 27 | return $cases[\count($cases) - 1]; |
| 28 | } |
| 29 | |
| 30 | public static function tryFromString(string $version): ?self |
| 31 | { |
| 32 | $normalised = ltrim(trim($version), 'vV'); |
| 33 | // IATA writes "3.2" in owl:versionInfo but "3.2.0" in some examples. |
| 34 | if (preg_match('/^(\d+\.\d+)\.0$/', $normalised, $matches) === 1) { |
| 35 | $normalised = $matches[1]; |
| 36 | } |
| 37 | |
| 38 | return self::tryFrom($normalised); |
| 39 | } |
| 40 | |
| 41 | public function isAtLeast(self $other): bool |
| 42 | { |
| 43 | return version_compare($this->value, $other->value, '>='); |
| 44 | } |
| 45 | |
| 46 | public function edition(): Edition |
| 47 | { |
| 48 | foreach (Edition::cases() as $edition) { |
| 49 | if ($edition->dataModelVersion() === $this) { |
| 50 | return $edition; |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | throw new LogicException("No edition declares data model version {$this->value}."); |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * The owl:versionIRI of the cargo ontology at this version, as advertised |
| 59 | * in api:hasSupportedOntologyVersion. |
| 60 | */ |
| 61 | public function ontologyVersionIri(): string |
| 62 | { |
| 63 | return Namespaces::CARGO_ONTOLOGY . '/' . $this->value; |
| 64 | } |
| 65 | } |