maestro-3.0.1-rc2/src/Plugin/views/field/MaestroEngineStartedTimestamp.php

<?php

namespace Drupal\maestro\Plugin\views\field;

use Drupal\Core\Form\FormStateInterface;
use Drupal\views\Plugin\views\field\FieldPluginBase;
use Drupal\views\ResultRow;

/**
 * Field handler to generate started timestamp.
 *
 * @ingroup views_field_handlers
 *
 * @ViewsField("maestro_started_timestamp")
 */
class MaestroEngineStartedTimestamp extends FieldPluginBase {

  /**
   * {@inheritdoc}
   */
  public function query() {
    // No Query to be done.
  }

  /**
   * Define the available options.
   *
   * @return array
   *   The array of options.
   */
  protected function defineOptions() {
    $options = parent::defineOptions();
    $options['date_format'] = ['default' => 'medium'];

    return $options;
  }

  /**
   * Provide the options form.
   */
  public function buildOptionsForm(&$form, FormStateInterface $form_state) {
    $options = [
      'short' => $this->t('Short ( 12/01/1901 - 23:59 )'),
      'medium' => $this->t('Medium ( Tue, 12/01/1901 - 23:59 )'),
      'long' => $this->t('Long ( Tuesday, December 1, 1901 - 23:59 )'),
      'html_datetime' => $this->t('HTML5 Date/Time ( YYYY-MM-DDThh:mm:ssTZD )'),
    ];

    $form['date_format'] = [
      '#title' => $this->t('Date Format'),
      '#type' => 'select',
      '#default_value' => isset($this->options['date_format']) ? $this->options['date_format'] : 'name',
      '#options' => $options,
    ];

    parent::buildOptionsForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function render(ResultRow $values) {
    $item = $values->_entity;
    $timestamp = $item->started_date->getString();
    $created_date = $item->created->getString();
    $format = '';
    if (intval($timestamp) - intval($created_date) < 5 && $item->is_interactive->getString() == '1') {
      $format = $this->t('Not Started');
    }
    else {
      if ($timestamp) {
        $format = \Drupal::service('date.formatter')->format($timestamp, $this->options['date_format']);
      }
    }
    return $format;

  }

}