DeepSeek V4 Pro (paid)

<?php

namespace Drupal\current_date\Plugin\Block;

use Drupal\Core\Block\Attribute\Block;
use Drupal\Core\Block\BlockBase;
use Drupal\Core\Datetime\DateFormatterInterface;
use Drupal\Core\Datetime\Entity\DateFormat;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\Core\StringTranslation\TranslatableMarkup;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides a block that displays the current date.
 */
#[Block(
  id: "current_date_block",
  admin_label: new TranslatableMarkup("Current date")
)]
class CurrentDateBlock extends BlockBase implements ContainerFactoryPluginInterface {

  public function __construct(
    array $configuration,
    $plugin_id,
    $plugin_definition,
    protected DateFormatterInterface $dateFormatter,
  ) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
  }

  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static(
      $configuration,
      $plugin_id,
      $plugin_definition,
      $container->get('date.formatter')
    );
  }

  public function defaultConfiguration() {
    return [
      'date_format' => 'medium',
      'label_display' => 'visible',
    ];
  }

  public function blockForm($form, FormStateInterface $form_state) {
    $form['date_format'] = [
      '#type' => 'select',
      '#title' => $this->t('Date format'),
      '#description' => $this->t('Choose the format for displaying the date.'),
      '#options' => $this->getDateFormatOptions(),
      '#default_value' => $this->configuration['date_format'],
      '#required' => TRUE,
    ];
    return $form;
  }

  public function blockSubmit($form, FormStateInterface $form_state) {
    $this->configuration['date_format'] = $form_state->getValue('date_format');
  }

  public function build() {
    $request_time = \Drupal::time()->getRequestTime();
    $format = $this->configuration['date_format'];

    $build = [
      '#type' => 'html_tag',
      '#tag' => 'div',
      '#attributes' => ['class' => ['current-date-block']],
      '#value' => $this->dateFormatter->format($request_time, $format),
      '#cache' => [
        'max-age' => 0,
      ],
    ];

    return $build;
  }

  protected function getDateFormatOptions() {
    $options = [];
    $date_formats = DateFormat::loadMultiple();
    foreach ($date_formats as $id => $date_format) {
      $options[$id] = $this->t('@label (@format)', [
        '@label' => $date_format->label(),
        '@format' => $date_format->getPattern(),
      ]);
    }
    return $options;
  }

}