SettingsForm.php in Warmer 8

Namespace

Drupal\warmer\Form

File

src/Form/SettingsForm.php

<?php

namespace Drupal\warmer\Form;

use Drupal\Core\Config\ConfigFactoryInterface;
use Drupal\Core\Form\ConfigFormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Form\SubformState;
use Drupal\warmer\Plugin\WarmerPluginBase;
use Drupal\warmer\Plugin\WarmerPluginManager;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Settings form for the warmer module.
 *
 * This form aggregates the configuration of all the warmer plugins.
 */
final class SettingsForm extends ConfigFormBase {

  /**
   * The plugin manager for the warmers.
   *
   * @var \Drupal\warmer\Plugin\WarmerPluginManager
   */
  private $warmerManager;

  /**
   * {@inheritdoc}
   */
  public function __construct(ConfigFactoryInterface $config_factory, WarmerPluginManager $warmer_manager) {
    $this
      ->setConfigFactory($config_factory);
    $this->warmerManager = $warmer_manager;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('config.factory'), $container
      ->get('plugin.manager.warmer'));
  }

  /**
   * {@inheritdoc}
   */
  protected function getEditableConfigNames() {
    return [
      'warmer.settings',
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'warmer_settings';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form = parent::buildForm($form, $form_state);
    $form['help'] = [
      '#type' => 'html_tag',
      '#tag' => 'p',
      '#value' => $this
        ->t('Configure the cache warming behaviors. Each cache warmer is a plugin that may contain specific settings. They are all configured here.'),
    ];
    $warmers = $this->warmerManager
      ->getWarmers();
    $form['warmers'] = [
      '#type' => 'vertical_tabs',
      '#title' => $this
        ->t('Warmers'),
    ];
    $subform_state = SubformState::createForSubform($form, $form, $form_state);
    $form += array_reduce($warmers, function ($carry, WarmerPluginBase $warmer) use ($subform_state) {
      return $warmer
        ->buildConfigurationForm($carry, $subform_state) + $carry;
    }, $form);
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $warmers = $this->warmerManager
      ->getWarmers();
    array_map(function (WarmerPluginBase $warmer) use (&$form, $form_state) {
      $id = $warmer
        ->getPluginId();
      $subform_state = SubformState::createForSubform($form[$id], $form, $form_state);
      $warmer
        ->submitConfigurationForm($form[$id], $subform_state);
    }, $warmers);
    $name = $this
      ->getEditableConfigNames();
    $config_name = reset($name);
    $config = $this
      ->configFactory()
      ->getEditable($config_name);
    $warmer_configs = array_reduce($warmers, function ($carry, WarmerPluginBase $warmer) {
      $carry[$warmer
        ->getPluginId()] = $warmer
        ->getConfiguration();
      return $carry;
    }, []);
    $config
      ->set('warmers', $warmer_configs);
    $config
      ->save();
    $message = $this
      ->t('Settings saved for plugin(s): %names', [
      '%names' => implode(', ', array_map(function (WarmerPluginBase $warmer) {
        return $warmer
          ->getPluginDefinition()['label'];
      }, $warmers)),
    ]);
    $this
      ->messenger()
      ->addStatus($message);
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    array_map(function (WarmerPluginBase $warmer) use (&$form, $form_state) {
      $id = $warmer
        ->getPluginId();
      $subform_state = SubformState::createForSubform($form[$id], $form, $form_state);
      $warmer
        ->validateConfigurationForm($form[$id], $subform_state);
    }, $this->warmerManager
      ->getWarmers());
  }

}

Classes

Name	Description
SettingsForm	Settings form for the warmer module.