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✏️ Editing: AbstractApiBasedModelMetadataDirectory.php

<?php

declare (strict_types=1);
namespace WordPress\AiClient\Providers\ApiBasedImplementation;

use WordPress\AiClient\AiClient;
use WordPress\AiClient\Common\Contracts\CachesDataInterface;
use WordPress\AiClient\Common\Exception\InvalidArgumentException;
use WordPress\AiClient\Common\Traits\WithDataCachingTrait;
use WordPress\AiClient\Providers\Contracts\ModelMetadataDirectoryInterface;
use WordPress\AiClient\Providers\Http\Contracts\WithHttpTransporterInterface;
use WordPress\AiClient\Providers\Http\Contracts\WithRequestAuthenticationInterface;
use WordPress\AiClient\Providers\Http\Traits\WithHttpTransporterTrait;
use WordPress\AiClient\Providers\Http\Traits\WithRequestAuthenticationTrait;
use WordPress\AiClient\Providers\Models\DTO\ModelMetadata;
/**
 * Base class for an API-based model metadata directory for a provider.
 *
 * @since 0.1.0
 */
abstract class AbstractApiBasedModelMetadataDirectory implements ModelMetadataDirectoryInterface, WithHttpTransporterInterface, WithRequestAuthenticationInterface, CachesDataInterface
{
    use WithHttpTransporterTrait;
    use WithRequestAuthenticationTrait;
    use WithDataCachingTrait;
    /**
     * The cache key suffix for the models list.
     *
     * @since 0.4.0
     *
     * @var string
     */
    private const MODELS_CACHE_KEY = 'models';
    /**
     * {@inheritDoc}
     *
     * @since 0.1.0
     */
    final public function listModelMetadata(): array
    {
        $modelsMetadata = $this->getModelMetadataMap();
        return array_values($modelsMetadata);
    }
    /**
     * {@inheritDoc}
     *
     * @since 0.1.0
     */
    final public function hasModelMetadata(string $modelId): bool
    {
        $modelsMetadata = $this->getModelMetadataMap();
        return isset($modelsMetadata[$modelId]);
    }
    /**
     * {@inheritDoc}
     *
     * @since 0.1.0
     */
    final public function getModelMetadata(string $modelId): ModelMetadata
    {
        $modelsMetadata = $this->getModelMetadataMap();
        if (!isset($modelsMetadata[$modelId])) {
            throw new InvalidArgumentException(sprintf('No model with ID %s was found in the provider', $modelId));
        }
        return $modelsMetadata[$modelId];
    }
    /**
     * Returns the map of model ID to model metadata for all models from the provider.
     *
     * @since 0.1.0
     *
     * @return array<string, ModelMetadata> Map of model ID to model metadata.
     */
    private function getModelMetadataMap(): array
    {
        /** @var array<string, ModelMetadata> */
        return $this->cached(self::MODELS_CACHE_KEY, fn() => $this->sendListModelsRequest(), 86400);
    }
    /**
     * {@inheritDoc}
     *
     * @since 0.4.0
     */
    protected function getCachedKeys(): array
    {
        return [self::MODELS_CACHE_KEY];
    }
    /**
     * {@inheritDoc}
     *
     * @since 0.4.0
     */
    protected function getBaseCacheKey(): string
    {
        return 'ai_client_' . AiClient::VERSION . '_' . md5(static::class);
    }
    /**
     * Sends the API request to list models from the provider and returns the map of model ID to model metadata.
     *
     * @since 0.1.0
     *
     * @return array<string, ModelMetadata> Map of model ID to model metadata.
     */
    abstract protected function sendListModelsRequest(): array;
}

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