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<?php
namespace Automattic\WooCommerce\Blocks\AI;
use Automattic\Jetpack\Connection\Client;
use Jetpack_Options;
use WP_Error;
use WpOrg\Requests\Exception;
use WpOrg\Requests\Requests;
/**
* Class Connection
*
* @internal
*/
class Connection {
const TEXT_COMPLETION_API_URL = 'https://public-api.wordpress.com/wpcom/v2/text-completion';
const MODEL = 'gpt-3.5-turbo-1106';
/**
* The post request.
*
* @param string $token The JWT token.
* @param string $prompt The prompt to send to the API.
* @param int $timeout The timeout for the request.
* @param string $response_format The response format.
*
* @return mixed
*/
public function fetch_ai_response( $token, $prompt, $timeout = 15, $response_format = null ) {
if ( $token instanceof \WP_Error ) {
return $token;
}
$body = array(
'feature' => 'woocommerce_blocks_patterns',
'prompt' => $prompt,
'token' => $token,
'model' => self::MODEL,
);
if ( $response_format ) {
$body['response_format'] = $response_format;
}
$response = wp_remote_post(
self::TEXT_COMPLETION_API_URL,
array(
'body' => $body,
'timeout' => $timeout,
)
);
if ( is_wp_error( $response ) ) {
return new \WP_Error( $response->get_error_code(), esc_html__( 'Failed to connect with the AI endpoint: try again later.', 'woocommerce' ), $response->get_error_message() );
}
$body = wp_remote_retrieve_body( $response );
return json_decode( $body, true );
}
/**
* Fetch the AI responses in parallel using the given token and prompts.
*
* @param string $token The JWT token.
* @param array $prompts The prompts to send to the API.
* @param int $timeout The timeout for the request.
* @param string $response_format The response format.
*
* @return array|WP_Error The responses or a WP_Error object.
*/
public function fetch_ai_responses( $token, array $prompts, $timeout = 15, $response_format = null ) {
if ( $token instanceof \WP_Error ) {
return $token;
}
$requests = array();
foreach ( $prompts as $prompt ) {
$data = array(
'feature' => 'woocommerce_blocks_patterns',
'prompt' => $prompt,
'token' => $token,
'model' => self::MODEL,
);
if ( $response_format ) {
$data['response_format'] = $response_format;
}
$requests[] = array(
'url' => self::TEXT_COMPLETION_API_URL,
'type' => 'POST',
'headers' => array( 'Content-Type' => 'application/json; charset=utf-8' ),
'data' => wp_json_encode( $data ),
);
}
$responses = Requests::request_multiple( $requests, array( 'timeout' => $timeout ) );
$processed_responses = array();
foreach ( $responses as $key => $response ) {
if ( is_wp_error( $response ) || is_a( $response, Exception::class ) ) {
return new WP_Error( 'failed-to-connect-with-the-ai-endpoint', esc_html__( 'Failed to connect with the AI endpoint: try again later.', 'woocommerce' ) );
}
$processed_responses[ $key ] = json_decode( $response->body, true );
}
return $processed_responses;
}
/**
* Return the site ID.
*
* @return integer|\WP_Error The site ID or a WP_Error object.
*/
public function get_site_id() {
if ( ! class_exists( Jetpack_Options::class ) ) {
return new \WP_Error( 'site-id-error', esc_html__( 'Failed to fetch the site ID: try again later.', 'woocommerce' ) );
}
$site_id = Jetpack_Options::get_option( 'id' );
if ( ! $site_id ) {
return new \WP_Error( 'site-id-error', esc_html__( 'Failed to fetch the site ID: The site is not registered.', 'woocommerce' ) );
}
return $site_id;
}
/**
* Fetch the JWT token.
*
* @param integer $site_id The site ID.
*
* @return string|\WP_Error The JWT token or a WP_Error object.
*/
public function get_jwt_token( $site_id ) {
if ( is_wp_error( $site_id ) ) {
return $site_id;
}
$request = Client::wpcom_json_api_request_as_user(
sprintf( '/sites/%d/jetpack-openai-query/jwt', $site_id ),
'2',
array(
'method' => 'POST',
'headers' => array( 'Content-Type' => 'application/json; charset=utf-8' ),
)
);
$response = json_decode( wp_remote_retrieve_body( $request ) );
if ( $response instanceof \WP_Error ) {
return new \WP_Error( $response->get_error_code(), esc_html__( 'Failed to generate the JWT token', 'woocommerce' ), $response->get_error_message() );
}
if ( ! isset( $response->token ) ) {
return new \WP_Error( 'failed-to-retrieve-jwt-token', esc_html__( 'Failed to retrieve the JWT token: Try again later.', 'woocommerce' ) );
}
return $response->token;
}
}
|