awsmug/alexa-sdk

<?php

namespace Alexa\Input;
use Alexa\Raw_Object;

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

    /**
     * Intent name
     *
     * @since 1.0.0
     *
     * @var string
     */
    private $name;

    /**
     * Slots
     *
     * @since 1.0.0
     *
     * @var array $slots
     */
    private $slots = array();

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

        $this->name = $object->name;
    }

    /**
     * Getting name of Intent
     *
     * @since 1.0.0
     *
     * @return string $name
     */
    public function get_name() {
        return $this->name;
    }

    /**
     * Getting Slots
     *
     * @since 1.0.0
     *
     * @return array
     */
    public function get_slots() {
        if( empty( $this->slots ) ) {
            $object_vars = get_object_vars(  $this->object->slots );

            foreach( $object_vars AS $object_var ) {
                $this->slots[ $object_var->name ] = $object_var->value;
            }
        }

        return $this->slots;
    }

    /**
     * Returning slot names
     *
     * @since 1.0.0
     *
     * @return array
     */
    public function get_slot_names(){
        return array_keys( $this->get_slots() );
    }

    /**
     * Getting Slot value
     *
     * @since 1.0.0
     *
     * @param $name
     *
     * @return bool|string
     */
    public function get_slot_value( $name ) {
        if( ! array_key_exists( $name, $this->get_slots() ) ) {
            return false;
        }
        return $this->slots[ $name ];
    }
}