itc_jsonapi.module

<?php

/**
 * @file
 * Contains itc_jsonapi.module.
 */

use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\itc_jsonapi\MenuLinkContentAccessControlHandler;

/**
 * Implements hook_help().
 */
function itc_jsonapi_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    // Main module help for the itc_jsonapi module.
    case 'help.page.itc_jsonapi':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('jsonapi enhencers') . '</p>';
      return $output;

    default:
  }
}

/**
 * Implements hook_entity_type_build().
 */
function itc_jsonapi_entity_type_build(array &$entity_types) {
  if (isset($entity_types['menu_link_content'])) {
    /** @var \Drupal\Core\Entity\ContentEntityType $menu_link_content_type */
    $menu_link_content_type = $entity_types['menu_link_content'];
    $menu_link_content_type->setHandlerClass('access', MenuLinkContentAccessControlHandler::class);
  }
}

/**
 * Implements hook_entity_bundle_field_info_alter().
 *
 * @param \Drupal\Core\Field\FieldDefinitionInterface[] $fields
 */
function itc_jsonapi_entity_bundle_field_info_alter(&$fields, EntityTypeInterface $entity_type, $bundle) {
  if ($entity_type->id() === 'contact_message'
    && $bundle === 'newsletter') {
    if (isset($fields['field_email'])) {
      $fields['field_email']->addConstraint('unique_email');
    }
  }
}

/**
 * Implements hook_ENTITY_TYPE_insert().
 */
function itc_jsonapi_contact_message_insert(EntityInterface $entity) {
  $route_match = \Drupal::routeMatch();
  $route_name = $route_match->getRouteName();
  if (strpos($route_name, 'jsonapi.contact_message') === 0) {
    /** @var \Drupal\contact\MessageInterface $message */
    $message = $entity;
    /** @var \Drupal\contact\MailHandlerInterface $mail_handler */
    $mail_handler = \Drupal::service('contact.mail_handler');
    $mail_handler->sendMailMessages($message, \Drupal::currentUser());
  }
}

/**
 *
 */
function itc_jsonapi_form_node_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  // Preview not available using jsonapi.
}