manifest/web/modules/custom/yufu_concept/src/Plugin/rest/resource/AddConcept.php

<?php

namespace Drupal\yufu_concept\Plugin\rest\resource;

use Drupal\Core\Config\ConfigFactoryInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Mail\MailManagerInterface;
use Drupal\Core\Session\AccountProxyInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\Core\TypedData\Exception\MissingDataException;
use Drupal\rest\Plugin\ResourceBase;
use Drupal\rest\ResourceResponse;
use Psr\Log\LogLevel;
use Psr\Log\LoggerInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;

/**
 * Creates post endpoint to create new concept.
 *
 * @RestResource(
 *   id = "add_concept_rest_resource",
 *   label = @Translation("Create or edit a concept"),
 *   uri_paths = {
 *     "canonical" = "/api/pojem/dodaj",
 *     "create" = "/api/pojem/dodaj",
 *   }
 * )
 */
class AddConcept extends ResourceBase {

  use StringTranslationTrait;

  /**
   * A current user instance.
   *
   * @var \Drupal\Core\Session\AccountProxyInterface
   */
  protected $currentUser;

  /**
   * Mail manager service.
   *
   * @var \Drupal\Core\Mail\MailManagerInterface
   */
  protected $mailManager;

  /**
   * Site configs.
   *
   * @var \Drupal\Core\Config\ImmutableConfig
   */
  protected $config;

  /**
   * Entity type manager service.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * Constructs a Drupal\rest\Plugin\ResourceBase 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 array $serializer_formats
   *   The available serialization formats.
   * @param \Psr\Log\LoggerInterface $logger
   *   A logger instance.
   * @param \Drupal\Core\Session\AccountProxyInterface $current_user
   *   A current user instance.
   * @param \Drupal\Core\Mail\MailManagerInterface $mailManager
   *   Mail manager service.
   * @param \Drupal\Core\Config\ConfigFactoryInterface $configFactory
   *   Config factory service.
   */
  public function __construct(
    array                  $configuration,
    string                 $plugin_id,
    array                  $plugin_definition,
    array                  $serializer_formats,
    LoggerInterface        $logger,
    AccountProxyInterface  $current_user,
    MailManagerInterface   $mailManager,
    ConfigFactoryInterface $configFactory,
    EntityTypeManagerInterface $entity_type_manager) {
    parent::__construct($configuration, $plugin_id, $plugin_definition, $serializer_formats, $logger);
    $this->currentUser = $current_user;
    $this->mailManager = $mailManager;
    $this->config = $configFactory;
    $this->entityTypeManager = $entity_type_manager;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static(
      $configuration,
      $plugin_id,
      $plugin_definition,
      $container->getParameter('serializer.formats'),
      $container->get('logger.factory')->get('yufu_concept'),
      $container->get('current_user'),
      $container->get('plugin.manager.mail'),
      $container->get('config.factory'),
      $container->get('entity_type.manager')
    );
  }

  /**
   * Ustvari nov koncept.
   *
   * @param \Symfony\Component\HttpFoundation\Request;
   *   Post request.
   *
   * @return \Drupal\rest\ResourceResponse
   *  Returns rest resource.
   */
  public function post(Request $request) {
    $response_status['status'] = FALSE;
    $data = json_decode($request->getContent(), TRUE);
    // You must to implement the logic of your REST Resource here.
    // Use current user after pass authentication to validate access.
    if (!$this->currentUser->hasPermission('access content')) {
      throw new AccessDeniedHttpException();
    }
    // Fields: naslov, text, povezani pojmi, email
    // Optional fields: language, related concept.
    if (!empty($data['title']) && !empty($data['text'])) {
      throw new MissingDataException('Title or text missing.');
    }
    $concept = [
      'type' => 'concept',
      'title' => $data['title'],
      'body' => $data['body'],
    ];
    $this->logger->log(LogLevel::NOTICE, $this->t('Creating concept: @title', [
      '@title' => $concept['title'],
    ]));
    // @TODO Check if related concepts are set and add them to the concept.
    // @TODO Check language and add set it on concept if exists.
    /** @var \Drupal\node\Entity\NodeInterface $concept */
    $concept = $this->entityTypeManager->getStorage('node')->create($concept);
    $concept->save();
    $response_status['concept'] = [
      'title' => $concept->label(),
      'id' => $concept->id(),
      'uuid' => $concept->uuid(),
    ];

    if (!empty($data['email'])) {
      // @TODO Poslji mail uporabniku, da se lahko registrira.
      $site_email = $this->config->get('system.site')->get('mail');
      $module = 'yufu_concept';
      $key = 'add_concept_rest_resource';
      $to = $site_email;
      // Send email to user to make him register to the website.
      $params['message'] = $this->t('Creating concept: @title', [
        '@title' => $concept->label(),
      ]);
      $params['subject'] = $data['title'];
      $params['from'] = $data['email'];
      // @TODO Add validation for langode (must be from system configured endpoints).
      $langcode = $data['lang'] ?? 'en';
      $send = TRUE;
      $result = $this->mailManager->mail($module, $key, $to, $langcode, $params, NULL, $send);
      $response_status['status'] = $result['result'];
    }
    $response = new ResourceResponse($response_status);
    return $response;
  }

}