Kimi K3 (paid)

<?php

namespace Drupal\current_date_block\Plugin\Block;

use Drupal\Component\Datetime\TimeInterface;
use Drupal\Core\Block\Attribute\Block;
use Drupal\Core\Block\BlockBase;
use Drupal\Core\Datetime\DateFormatterInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
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'),
  category: new TranslatableMarkup('System'),
)]
final class CurrentDateBlock extends BlockBase implements ContainerFactoryPluginInterface {

  /**
   * Constructs a CurrentDateBlock 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 $dateFormatter
   *   The date formatter service.
   * @param \Drupal\Component\Datetime\TimeInterface $time
   *   The time service.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entityTypeManager
   *   The entity type manager service.
   */
  public function __construct(
    array $configuration,
    $plugin_id,
    $plugin_definition,
    protected readonly DateFormatterInterface $dateFormatter,
    protected readonly TimeInterface $time,
    protected readonly EntityTypeManagerInterface $entityTypeManager,
  ) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition): static {
    return new static(
      $configuration,
      $plugin_id,
      $plugin_definition,
      $container->get('date.formatter'),
      $container->get('datetime.time'),
      $container->get('entity_type.manager'),
    );
  }

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration(): array {
    return [
      'date_format' => 'medium',
      'custom_format' => 'd.m.Y',
    ] + parent::defaultConfiguration();
  }

  /**
   * {@inheritdoc}
   */
  public function blockForm($form, FormStateInterface $form_state): array {
    $form = parent::blockForm($form, $form_state);

    $formats = $this->entityTypeManager->getStorage('date_format')->loadMultiple();
    $options = [];
    foreach ($formats as $format_id => $format) {
      $options[$format_id] = $format->label();
    }
    $options['custom'] = $this->t('Custom format');

    $form['date_format'] = [
      '#type' => 'select',
      '#title' => $this->t('Date format'),
      '#options' => $options,
      '#default_value' => $this->configuration['date_format'],
    ];

    $form['custom_format'] = [
      '#type' => 'textfield',
      '#title' => $this->t('Custom format'),
      '#description' => $this->t('A date format as accepted by the PHP <a href=":url">date()</a> function. For example: <em>d.m.Y</em>.', [
        ':url' => 'https://www.php.net/manual/datetime.format.php',
      ]),
      '#default_value' => $this->configuration['custom_format'],
      '#states' => [
        'visible' => [
          ':input[name="settings[date_format]"]' => ['value' => 'custom'],
        ],
      ],
    ];

    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function blockSubmit($form, FormStateInterface $form_state): void {
    parent::blockSubmit($form, $form_state);
    $this->configuration['date_format'] = $form_state->getValue('date_format');
    $this->configuration['custom_format'] = $form_state->getValue('custom_format');
  }

  /**
   * {@inheritdoc}
   */
  public function build(): array {
    $format_type = $this->configuration['date_format'];

    $date = $this->dateFormatter->format(
      $this->time->getRequestTime(),
      $format_type,
      $format_type === 'custom' ? $this->configuration['custom_format'] : '',
    );

    return [
      'title' => [
        '#type' => 'html_tag',
        '#tag' => 'h3',
        '#value' => $this->t('Current date'),
      ],
      'date' => [
        '#markup' => $date,
      ],
      '#cache' => [
        // The date must always be up to date.
        'max-age' => 0,
      ],
    ];
  }

}