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<?php
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namespace IMSGlobal\LTI\ToolProvider;
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/**
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 * Class to represent a tool consumer nonce
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 *
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 * @author  Stephen P Vickers <svickers@imsglobal.org>
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 * @copyright  IMS Global Learning Consortium Inc
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 * @date  2016
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 * @version 3.0.2
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 * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
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 */
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#[\AllowDynamicProperties]
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class ConsumerNonce
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{
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/**
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 * Maximum age nonce values will be retained for (in minutes).
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 */
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    const MAX_NONCE_AGE = 30;  // in minutes
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/**
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 * Date/time when the nonce value expires.
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 *
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 * @var int $expires
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 */
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    public $expires = null;
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/**
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 * Tool Consumer to which this nonce applies.
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 *
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 * @var ToolConsumer $consumer
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 */
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    private $consumer = null;
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/**
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 * Nonce value.
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 *
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 * @var string $value
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 */
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    private $value = null;
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/**
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 * Class constructor.
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 *
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 * @param ToolConsumer      $consumer Consumer object
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 * @param string            $value    Nonce value (optional, default is null)
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 */
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    public function __construct($consumer, $value = null)
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    {
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        $this->consumer = $consumer;
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        $this->value = $value;
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        $this->expires = time() + (self::MAX_NONCE_AGE * 60);
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    }
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/**
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 * Load a nonce value from the database.
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 *
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 * @return boolean True if the nonce value was successfully loaded
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 */
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    public function load()
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    {
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        return $this->consumer->getDataConnector()->loadConsumerNonce($this);
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    }
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/**
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 * Save a nonce value in the database.
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 *
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 * @return boolean True if the nonce value was successfully saved
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 */
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    public function save()
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    {
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        return $this->consumer->getDataConnector()->saveConsumerNonce($this);
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    }
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/**
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 * Get tool consumer.
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 *
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 * @return ToolConsumer Consumer for this nonce
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 */
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    public function getConsumer()
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    {
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        return $this->consumer;
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    }
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/**
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 * Get outcome value.
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 *
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 * @return string Outcome value
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 */
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    public function getValue()
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    {
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        return $this->value;
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    }
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}