wp-rest-checkout.php

define('FONDY_MERCHANT_ID',0000000000);
define('FONDY_SECRET_KEY','1829381923919023918239819238');

add_action( 'rest_api_init', function () {
    register_rest_route( 'v1', '/checkout', [
        'methods' => 'POST',
        'callback' => 'coreicon_v1_checkout',
    ]);
});


function coreicon_v1_checkout( WP_REST_Request $request ) {
    require get_template_directory() . '/vendor/autoload.php';
    \Cloudipsp\Configuration::setMerchantId( FONDY_MERCHANT_ID );
    \Cloudipsp\Configuration::setSecretKey( FONDY_SECRET_KEY);
    $response = new WP_REST_Response();
    $params = $request->get_json_params();
    $amount = $params['amount'] * 100;
    $currency = $params['currency'];
    $products = json_encode($params['products']);
    $data = [
        'currency' => $currency,
        'amount'   => $amount,
        'merchant_data' => $products
    ];
    try{
        $url  = \Cloudipsp\Checkout::url( $data );
        $response->set_data([
            'url' => $url->getUrl()
        ]);
    } catch(\Exception $e) {
        $response->set_status(500);
        $response->set_data([
            'error' => $e->getMessage()
        ]);
    }
    return $response;
}