class Time

class Time extends CachePluginBase {
  
  /**
   * {@inheritdoc}
   */
  protected $usesOptions = TRUE;
  
  /**
   * The date formatter service.
   *
   * @var \Drupal\Core\Datetime\DateFormatterInterface
   */
  protected $dateFormatter;
  
  /**
   * Constructs a Time cache plugin object.
   *
   * @param array $configuration
   *   A configuration array containing information about the plugin instance.
   * @param string $plugin_id
   *   The plugin_id for the plugin instance.
   * @param mixed $plugin_definition
   *   The plugin implementation definition.
   * @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter
   *   The date formatter service.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, DateFormatterInterface $date_formatter) {
    $this->dateFormatter = $date_formatter;
    if (func_num_args() == 5 && func_get_arg(4) instanceof Request) {
      @trigger_error('The request object must not be passed to ' . __METHOD__ . '(). It is deprecated in drupal:9.2.0 and is removed from drupal:10.0.0. See https://www.drupal.org/node/3154016', E_USER_DEPRECATED);
    }
    parent::__construct($configuration, $plugin_id, $plugin_definition);
  }
  
  /**
   * Returns replacements for deprecated properties.
   *
   * @param string $name
   *   The property name.
   *
   * @return mixed
   *   The value.
   */
  public function __get($name) {
    if ($name === 'request') {
      @trigger_error('The request property of ' . __CLASS__ . ' is deprecated in drupal:9.2.0 and is removed from drupal:10.0.0. See https://www.drupal.org/node/3154016', E_USER_DEPRECATED);
      return $this->view
        ->getRequest();
    }
  }
  
  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition, $container->get('date.formatter'));
  }
  protected function defineOptions() {
    $options = parent::defineOptions();
    $options['results_lifespan'] = [
      'default' => 3600,
    ];
    $options['results_lifespan_custom'] = [
      'default' => 0,
    ];
    $options['output_lifespan'] = [
      'default' => 3600,
    ];
    $options['output_lifespan_custom'] = [
      'default' => 0,
    ];
    return $options;
  }
  public function buildOptionsForm(&$form, FormStateInterface $form_state) {
    parent::buildOptionsForm($form, $form_state);
    $options = [
      60,
      300,
      1800,
      3600,
      21600,
      518400,
    ];
    $options = array_map([
      $this->dateFormatter,
      'formatInterval',
    ], array_combine($options, $options));
    $options = [
      0 => $this->t('Never cache'),
    ] + $options + [
      'custom' => $this->t('Custom'),
    ];
    $form['results_lifespan'] = [
      '#type' => 'select',
      '#title' => $this->t('Query results'),
      '#description' => $this->t('The length of time raw query results should be cached.'),
      '#options' => $options,
      '#default_value' => $this->options['results_lifespan'],
    ];
    $form['results_lifespan_custom'] = [
      '#type' => 'textfield',
      '#title' => $this->t('Seconds'),
      '#size' => '25',
      '#maxlength' => '30',
      '#description' => $this->t('Length of time in seconds raw query results should be cached.'),
      '#default_value' => $this->options['results_lifespan_custom'],
      '#states' => [
        'visible' => [
          ':input[name="cache_options[results_lifespan]"]' => [
            'value' => 'custom',
          ],
        ],
      ],
    ];
    $form['output_lifespan'] = [
      '#type' => 'select',
      '#title' => $this->t('Rendered output'),
      '#description' => $this->t('The length of time rendered HTML output should be cached.'),
      '#options' => $options,
      '#default_value' => $this->options['output_lifespan'],
    ];
    $form['output_lifespan_custom'] = [
      '#type' => 'textfield',
      '#title' => $this->t('Seconds'),
      '#size' => '25',
      '#maxlength' => '30',
      '#description' => $this->t('Length of time in seconds rendered HTML output should be cached.'),
      '#default_value' => $this->options['output_lifespan_custom'],
      '#states' => [
        'visible' => [
          ':input[name="cache_options[output_lifespan]"]' => [
            'value' => 'custom',
          ],
        ],
      ],
    ];
  }
  public function validateOptionsForm(&$form, FormStateInterface $form_state) {
    $custom_fields = [
      'output_lifespan',
      'results_lifespan',
    ];
    foreach ($custom_fields as $field) {
      $cache_options = $form_state->getValue('cache_options');
      if ($cache_options[$field] == 'custom' && !is_numeric($cache_options[$field . '_custom'])) {
        $form_state->setError($form[$field . '_custom'], $this->t('Custom time values must be numeric.'));
      }
    }
  }
  public function summaryTitle() {
    $results_lifespan = $this->getLifespan('results');
    $output_lifespan = $this->getLifespan('output');
    return $this->dateFormatter
      ->formatInterval($results_lifespan, 1) . '/' . $this->dateFormatter
      ->formatInterval($output_lifespan, 1);
  }
  protected function getLifespan($type) {
    $lifespan = $this->options[$type . '_lifespan'] == 'custom' ? $this->options[$type . '_lifespan_custom'] : $this->options[$type . '_lifespan'];
    return $lifespan;
  }
  protected function cacheExpire($type) {
    $lifespan = $this->getLifespan($type);
    if ($lifespan) {
      $cutoff = REQUEST_TIME - $lifespan;
      return $cutoff;
    }
    else {
      return FALSE;
    }
  }
  
  /**
   * {@inheritdoc}
   */
  protected function cacheSetMaxAge($type) {
    $lifespan = $this->getLifespan($type);
    if ($lifespan) {
      return $lifespan;
    }
    else {
      return Cache::PERMANENT;
    }
  }
  
  /**
   * {@inheritdoc}
   */
  protected function getDefaultCacheMaxAge() {
    // The max age, unless overridden by some other piece of the rendered code
    // is determined by the output time setting.
    return (int) $this->cacheSetMaxAge('output');
  }

}