awsmug/alexa-sdk

<?php

namespace Alexa\Output;

use Alexa\Output_Object;

/**
 * Class Stream
 *
 * @since 1.0.0
 *
 * @package Alexa
 */
class Stream implements Output_Object {
    /**
     * Url
     *
     * @since 1.0.0
     *
     * @var string
     */
    private $url;

    /**
     * Tokenoken
     *
     * @since 1.0.0
     *
     * @var string
     */
    private $token;

    /**
     * Expected previous token
     *
     * @since 1.0.0
     *
     * @var string
     */
    private $previous_token;

    /**
     * Offset in milliseconds
     *
     * @since 1.0.0
     *
     * @var int
     */
    private $offset = 0;

    /**
     * Setting URL
     *
     * @since 1.0.0
     *
     * @param string $version
     */
    public function set_url( $url ) {
        $this->url = $url;
    }

    /**
     * Get URL
     *
     * @since 1.0.0
     *
     * @return string $url
     */
    public function get_url() {
        return $this->url;
    }

    /**
     * Setting Token
     *
     * @since 1.0.0
     *
     * @param string $token
     */
    public function set_token( $token ) {
        $this->token = $token;
    }

    /**
     * Get Token
     *
     * @since 1.0.0
     *
     * @return string $token
     */
    public function get_token() {
        return $this->token;
    }

    /**
     * Setting Offset in miliseconds
     *
     * @since 1.0.0
     *
     * @param int $offset
     */
    public function set_offset( $offset ) {
        $this->offset = $offset;
    }

    /**
     * Get Offset
     *
     * @since 1.0.0
     *
     * @return int $offset
     */
    public function get_offset() {
        return $this->offset;
    }

    /**
     * Setting Expected Previous Token
     *
     * @since 1.0.0
     *
     * @param string $previous_token
     */
    public function set_previous_token( $previous_token ) {
        $this->previous_token = $previous_token;
    }

    /**
     * Get Expected Previous Token
     *
     * @since 1.0.0
     *
     * @return string $previous_token
     */
    public function get_previous_token() {
        return $this->previous_token;
    }

    /**
     * Is there any value set in stream
     *
     * @since 1.0.0
     *
     * @return bool
     */
    public function has_values() {
        if( empty( $this->url )) {
            return false;
        }

        return true;
    }

    /**
     * Get Output Object for Alexa
     *
     * @since 1.0.0
     *
     * @return \StdClass
     */
    public function get() {
        $object = new \stdClass();

        if( ! empty( $this->url ) ) {
            $object->url = $this->url;
        }

        if( ! empty( $this->token ) ) {
            $object->token = $this->token;
        } else {
            $object->token = basename( $this->url );
        }

        if( ! empty( $this->previous_token ) ) {
            $object->expectedPreviousToken = $this->previous_token;
        }

        $object->offsetInMilliseconds = $this->offset;

        return $object;
    }
}