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<?php |
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|
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namespace Better_Payment\Lite\AI; |
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|
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use Better_Payment\Lite\AI\Contracts\AIProviderInterface; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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/** |
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* Registry of available AI providers. |
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* |
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* Mirrors {@see \Better_Payment\Lite\Campaign\Elements\ElementRegistry}: a static |
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* store PHP populates, third parties extend via filter, and the rest of the AI |
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* layer reads. Definitions are lazy — a provider is only instantiated (with its |
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* runtime config) when {@see self::make()} is called. |
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* |
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* Register a custom provider: |
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* add_filter( 'better_payment/ai/providers', function ( $providers ) { |
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* $providers['myllm'] = [ |
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* 'label' => 'My LLM', |
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* 'class' => My\Provider::class, // implements AIProviderInterface |
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* 'models' => [ 'my-model-1' ], |
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* 'supports_images' => false, |
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* ]; |
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* return $providers; |
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* } ); |
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*/ |
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class ProviderRegistry { |
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|
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/** |
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* @var array<string, array> |
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*/ |
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private static array $providers = []; |
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|
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/** |
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* Register a provider definition. |
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* |
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* @param string $id Stable provider id. |
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* @param array $def { @type string $label; @type string $class; @type array $models; @type bool $supports_images; } |
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*/ |
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public static function register( string $id, array $def ): void { |
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self::$providers[ $id ] = array_merge( [ |
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'label' => $id, |
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'class' => '', |
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'models' => [], |
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'image_models' => [], |
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'supports_images' => false, |
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], $def ); |
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} |
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|
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/** |
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* All provider definitions, after the extension filter. |
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* |
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* @return array<string, array> |
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*/ |
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public static function get_all(): array { |
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/** |
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* Filter registered AI providers. |
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* |
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* @param array<string, array> $providers |
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*/ |
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return apply_filters( 'better_payment/ai/providers', self::$providers ); |
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} |
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|
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/** |
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* A single provider definition, or null. |
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* |
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* @return array|null |
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*/ |
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public static function get( string $id ) { |
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$all = self::get_all(); |
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return $all[ $id ] ?? null; |
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} |
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|
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public static function exists( string $id ): bool { |
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return null !== self::get( $id ); |
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} |
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|
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/** |
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* Instantiate a provider with runtime config. |
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* |
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* @param string $id |
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* @param array $config Passed to the provider constructor (api_key, model, ...). |
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* @return AIProviderInterface|null Null when the id is unknown or the class is invalid. |
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*/ |
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public static function make( string $id, array $config = [] ) { |
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$def = self::get( $id ); |
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if ( null === $def || empty( $def['class'] ) || ! class_exists( $def['class'] ) ) { |
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return null; |
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} |
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$instance = new $def['class']( $config ); |
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return $instance instanceof AIProviderInterface ? $instance : null; |
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} |
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|
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/** |
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* Public-safe descriptors for the UI (no secrets), one per provider. |
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* |
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* @return array<int, array{id: string, label: string, models: array, supports_images: bool}> |
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*/ |
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public static function descriptors(): array { |
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$out = []; |
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foreach ( self::get_all() as $id => $def ) { |
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$out[] = [ |
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'id' => $id, |
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'label' => $def['label'], |
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'models' => array_values( $def['models'] ), |
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'image_models' => array_values( $def['image_models'] ?? [] ), |
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'supports_images' => (bool) $def['supports_images'], |
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]; |
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} |
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return $out; |
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} |
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} |
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|
