awsmug/alexa-sdk

<?php

namespace Alexa\Input;
use Alexa\Raw_Object;

/**
 * Class System
 *
 * @since 1.0.0
 *
 * @package Alexa
 */
class System{
    use Raw_Object;

    /**
     * API Endpoint
     *
     * @since 1.0.0
     *
     * @var string|bool
     */
    protected $api_endpoint = false;

    /**
     * Application Object
     *
     * @since 1.0.0
     *
     * @var Application
     */
    protected $application;

    /**
     * User Object
     *
     * @since 1.0.0
     *
     * @var User
     */
    protected $user;

    /**
     * System constructor.
     *
     * @since 1.0.0
     *
     * @param \stdClass $system_data Session from Alexa JSON String
     */
    public function __construct( \stdClass $object ) {
        $this->object = $object;

        if( property_exists( $object, 'api_endpoint' ) ) {
            $this->api_endpoint = $object->api_endpoint;
        }
    }

    /**
     * Returns Application Object
     *
     * @since 1.0.0
     *
     * @return Application $application
     */
    public function application() {
        if( empty( $this->application ) ) {
            $this->application = new Application( $this->object->application );
        }
        return $this->application;
    }

    /**
     * Returns User Object
     *
     * @since 1.0.0
     *
     * @return User $user
     */
    public function user() {
        if( empty( $this->user ) ) {
            $this->user = new User( $this->object->user );
        }

        return $this->user;
    }

    /**
     * Get API endpoint
     *
     * @since 1.0.0
     *
     * @return string|bool
     */
    public function get_api_endpoint() {
        return $this->api_endpoint;
    }
}