ConnectionAddController.php in RedHen CRM 8

Namespace

Drupal\redhen_connection\Controller

File

modules/redhen_connection/src/Controller/ConnectionAddController.php

<?php

namespace Drupal\redhen_connection\Controller;

use Drupal\Core\Controller\ControllerBase;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\EntityStorageInterface;
use Drupal\Core\Link;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

/**
 * Class ConnectionAddController.
 *
 * @package Drupal\redhen_connection\Controller
 */
class ConnectionAddController extends ControllerBase {

  /**
   * Initialize entity storage.
   */
  public function __construct(EntityStorageInterface $storage, EntityStorageInterface $type_storage) {
    $this->storage = $storage;
    $this->typeStorage = $type_storage;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {

    /** @var \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager */
    $entity_type_manager = $container
      ->get('entity_type.manager');
    return new static($entity_type_manager
      ->getStorage('redhen_connection'), $entity_type_manager
      ->getStorage('redhen_connection_type'));
  }

  /**
   * Displays add links for available bundles/types for redhen_connection.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The current request object.
   *
   * @return array
   *   A render array for a list of the redhen_connection bundles/types that can
   *   be added or if there is only one type/bundle defined for the site,
   *   the function returns the add page for that bundle/type.
   */
  public function add(Request $request) {
    $entity = redhen_connection_get_connection_entity_from_route();
    $types = $this->typeStorage
      ->loadMultiple();
    foreach ($types as $key => $redhen_connection_type) {
      $connection = $redhen_connection_type
        ->getEndpointEntityTypes($entity
        ->getEntityTypeId(), $entity
        ->getType());
      if (empty($connection)) {
        unset($types[$key]);
      }
    }
    if ($types && count($types) == 1) {
      $type = reset($types);
      return $this
        ->addForm($request, $type, $entity);
    }
    if (count($types) === 0) {
      return [
        '#markup' => $this
          ->t('You have not created any %bundle types yet. @link to add a new type.', [
          '%bundle' => 'Connection',
          '@link' => Link::createFromRoute($this
            ->t('Go to the type creation page'), 'entity.redhen_connection_type.add_form'),
        ]),
      ];
    }
    return [
      '#theme' => 'redhen_connection_content_add_list',
      '#content' => $types,
      '#entity' => $entity,
    ];
  }

  /**
   * Provides the page title for add controller.
   *
   * @return string
   *   The page title.
   */
  public function getAddTitle() {
    $entity_type = redhen_connection_get_connection_entity_from_route()
      ->getEntityType();
    return t('Select a @type Connection Type', [
      '@type' => $entity_type
        ->getLabel(),
    ]);
  }

  /**
   * Creation form for redhen_connection entities of given bundle/type.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The current request object.
   * @param \Drupal\Core\Entity\EntityInterface $redhen_connection_type
   *   The custom bundle to add.
   * @param \Drupal\Core\Entity\EntityInterface $entity
   *   The entity for one of the endpoints.
   *
   * @return array
   *   A form array as expected by drupal_render().
   */
  public function addForm(Request $request, EntityInterface $redhen_connection_type) {
    $entity = redhen_connection_get_connection_entity_from_route();
    $endpoint_fields = $redhen_connection_type
      ->getEndpointFields($entity
      ->getEntityTypeId(), $entity
      ->getType());
    if (empty($endpoint_fields)) {

      // No valid endpoint fields found for the provided connection type and
      // entity.
      throw new NotFoundHttpException();
    }
    $connection_entity = $this->storage
      ->create([
      'type' => $redhen_connection_type
        ->id(),
    ]);

    // Grab the first field if we have more than one.
    $field = reset($endpoint_fields);

    // Set the value of the endpoint.
    $connection_entity
      ->set($field, $entity);
    return $this
      ->entityFormBuilder()
      ->getForm($connection_entity, 'default', [
      'fixed_endpoint' => $field,
    ]);
  }

  /**
   * Provides the page title for this controller.
   *
   * @param \Drupal\Core\Entity\EntityInterface $redhen_connection_type
   *   The custom bundle/type being added.
   * @param \Drupal\Core\Entity\EntityInterface $entity
   *   The provided endpoint.
   *
   * @return string
   *   The page title.
   */
  public function getAddFormTitle(EntityInterface $redhen_connection_type) {
    $entity = redhen_connection_get_connection_entity_from_route();
    return t('Create @type Connection for @entity', [
      '@type' => $redhen_connection_type
        ->label(),
      '@entity' => $entity
        ->label(),
    ]);
  }

}

Classes

Name	Description
ConnectionAddController	Class ConnectionAddController.