zaya-1.0.x-dev/modules/zaya_events/src/Form/CompletionFormBase.php

<?php

declare(strict_types=1);

namespace Drupal\zaya_events\Form;

use Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Session\AccountInterface;
use Drupal\group\Entity\GroupMembership;
use Drupal\group\Entity\GroupRelationshipInterface;
use Drupal\zaya\Entity\Node\ZayaProgress;
use Drupal\zaya_events\Event\ChapterCompletionEvent;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides a Zaya events base form.
 */
abstract class CompletionFormBase extends FormBase {
  /**
   * The account which is requesting the form.
   *
   * @var \Drupal\Core\Session\AccountInterface
   */
  protected $account;

  /**
   * The event dispatcher.
   *
   * @var \Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher
   */
  protected $eventDispatcher;

  /**
   * The user membership in the relationship content context.
   *
   * @var \Drupal\group\Entity\GroupMembershipInterface
   */
  protected $membership;

  /**
   * The current relationship content.
   *
   * @var \Drupal\group\Entity\GroupRelationshipInterface
   */
  protected $relationship;

  /**
   * {@inheritdoc}
   */
  public function __construct(ContainerAwareEventDispatcher $event_dispatcher) {
    $this->eventDispatcher = $event_dispatcher;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container->get('event_dispatcher'));
  }

  /**
   * {@inheritdoc}
   */
  public function getFormId(): string {
    return 'zaya_events_mark_completed';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state, ?GroupRelationshipInterface $relationship = NULL, ?AccountInterface $account = NULL): array {
    $form['actions'] = [
      '#type' => 'actions',
      'submit' => [
        '#type' => 'submit',
        '#value' => $this->t('Already completed'),
        '#disabled' => TRUE,
      ],
    ];
    $completion = $relationship->getCompletionState();
    if ($completion === ZayaProgress::COMPLETED) {
      return $form;
    }
    $dependency_state = $relationship->getDependenciesState();
    $inner_resources_dependency = $relationship->getResourcesCompletionState();
    // DEBUG dpm($dependency_state === $relationship::DEPENDENCY_UNSATISFIED);.
    if ($dependency_state === $relationship::DEPENDENCY_UNSATISFIED) {
      $form['actions']['submit']['#disabled'] = TRUE;
      $form['actions']['submit']['#value'] = $this->t('Must complete previous chapter');
    }
    elseif ($inner_resources_dependency === ZayaProgress::UNCOMPLETED) {
      $form['actions']['submit']['#disabled'] = TRUE;
      $form['actions']['submit']['#value'] = $this->t('Must complete the inner resources');
    }
    else {
      $this->account = $account;
      $this->membership = GroupMembership::loadSingle($relationship->getGroup(), $account);
      $this->relationship = $relationship;
      if ($dependency_state === $relationship::DEPENDENCY_UNDEFINED) {
        $form['actions']['submit']['#disabled'] = FALSE;
        $form['actions']['submit']['#value'] = $this->t('Mark as complete');
      }
      if ($dependency_state === $relationship::DEPENDENCY_SATISFIED) {
        $form['actions']['submit']['#disabled'] = FALSE;
        $form['actions']['submit']['#value'] = $this->t('Mark as complete');
      }
    }

    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state): void {
    // @todo Validate the form here.
    // Example:
    // @code
    //   if (mb_strlen($form_state->getValue('message')) < 10) {
    //     $form_state->setErrorByName(
    //       'message',
    //       $this->t('Message should be at least 10 characters.'),
    //     );
    //   }
    // @endcode
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state): void {
    if ($this->relationship->getGroupId() == $this->membership->getGroupId()) {
      $completion_event = new ChapterCompletionEvent($this->account, $this->membership, $this->relationship, "mark completed chapter");
      $this->eventDispatcher->dispatch($completion_event, ChapterCompletionEvent::EVENT_NAME);
      $this->messenger()->addStatus($this->t('The chapter is marked as completed.'));
    }
    // $form_state->setRedirect('<front>');
  }

}