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Editing: AbstractProvider.php
<?php declare (strict_types=1); namespace WordPress\AiClient\Providers; use WordPress\AiClient\Providers\Contracts\ModelMetadataDirectoryInterface; use WordPress\AiClient\Providers\Contracts\ProviderAvailabilityInterface; use WordPress\AiClient\Providers\Contracts\ProviderInterface; use WordPress\AiClient\Providers\DTO\ProviderMetadata; use WordPress\AiClient\Providers\Models\Contracts\ModelInterface; use WordPress\AiClient\Providers\Models\DTO\ModelConfig; use WordPress\AiClient\Providers\Models\DTO\ModelMetadata; /** * Base class for a provider. * * @since 0.1.0 */ abstract class AbstractProvider implements ProviderInterface { /** * @var array<string, ProviderMetadata> Cache for provider metadata per class. */ private static array $metadataCache = []; /** * @var array<string, ProviderAvailabilityInterface> Cache for provider availability per class. */ private static array $availabilityCache = []; /** * @var array<string, ModelMetadataDirectoryInterface> Cache for model metadata directory per class. */ private static array $modelMetadataDirectoryCache = []; /** * {@inheritDoc} * * @since 0.1.0 */ final public static function metadata(): ProviderMetadata { $className = static::class; if (!isset(self::$metadataCache[$className])) { self::$metadataCache[$className] = static::createProviderMetadata(); } return self::$metadataCache[$className]; } /** * {@inheritDoc} * * @since 0.1.0 */ final public static function model(string $modelId, ?ModelConfig $modelConfig = null): ModelInterface { $providerMetadata = static::metadata(); $modelMetadata = static::modelMetadataDirectory()->getModelMetadata($modelId); $model = static::createModel($modelMetadata, $providerMetadata); if ($modelConfig) { $model->setConfig($modelConfig); } return $model; } /** * {@inheritDoc} * * @since 0.1.0 */ final public static function availability(): ProviderAvailabilityInterface { $className = static::class; if (!isset(self::$availabilityCache[$className])) { self::$availabilityCache[$className] = static::createProviderAvailability(); } return self::$availabilityCache[$className]; } /** * {@inheritDoc} * * @since 0.1.0 */ final public static function modelMetadataDirectory(): ModelMetadataDirectoryInterface { $className = static::class; if (!isset(self::$modelMetadataDirectoryCache[$className])) { self::$modelMetadataDirectoryCache[$className] = static::createModelMetadataDirectory(); } return self::$modelMetadataDirectoryCache[$className]; } /** * Creates a model instance based on the given model metadata and provider metadata. * * @since 0.1.0 * * @param ModelMetadata $modelMetadata The model metadata. * @param ProviderMetadata $providerMetadata The provider metadata. * @return ModelInterface The new model instance. */ abstract protected static function createModel(ModelMetadata $modelMetadata, ProviderMetadata $providerMetadata): ModelInterface; /** * Creates the provider metadata instance. * * @since 0.1.0 * * @return ProviderMetadata The provider metadata. */ abstract protected static function createProviderMetadata(): ProviderMetadata; /** * Creates the provider availability instance. * * @since 0.1.0 * * @return ProviderAvailabilityInterface The provider availability. */ abstract protected static function createProviderAvailability(): ProviderAvailabilityInterface; /** * Creates the model metadata directory instance. * * @since 0.1.0 * * @return ModelMetadataDirectoryInterface The model metadata directory. */ abstract protected static function createModelMetadataDirectory(): ModelMetadataDirectoryInterface; }
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