NodeTestHooks.php

<?php
declare (strict_types=1);
namespace Drupal\node_test\Hook;
use Drupal\Core\Form\FormStateInterface ;
use Drupal\Core\Entity\EntityInterface ;
use Drupal\Core\Session\AccountInterface ;
use Drupal\Core\Entity\Display\EntityViewDisplayInterface ;
use Drupal\node\NodeInterface ;
use Drupal\Core\Hook\Attribute\Hook ;

/**
 * Hook implementations for node_test.
 */
class NodeTestHooks  {
 
 /**
 * Implements hook_ENTITY_TYPE_view() for node entities.
 */
 public function nodeView(array &$build, NodeInterface $node, EntityViewDisplayInterface $display, $view_mode) : void {
 if ($node->isNew ()) {
 return;
 }
 if ($view_mode == 'rss') {
 // Add RSS elements and namespaces when building the RSS feed.
 $node->rss_elements[] = [
 'key' => 'testElement',
 'value' => 'Value of testElement RSS element for node ' . $node->id () . '.',
 ];
 // Add content that should be displayed only in the RSS feed.
 $build['extra_feed_content'] = [
 '#markup' => '<p>Extra data that should appear only in the RSS feed for node ' . $node->id () . '.</p>',
 '#weight' => 10,
 ];
 }
 if ($view_mode != 'rss') {
 // Add content that should NOT be displayed in the RSS feed.
 $build['extra_non_feed_content'] = [
 '#markup' => '<p>Extra data that should appear everywhere except the RSS feed for node ' . $node->id () . '.</p>',
 ];
 }
 }
 
 /**
 * Implements hook_ENTITY_TYPE_build_defaults_alter() for node entities.
 */
 public function nodeBuildDefaultsAlter(array &$build, NodeInterface &$node, $view_mode = 'full') : void {
 if ($view_mode == 'rss') {
 $node->rss_namespaces['xmlns:test'] = 'http://example.com/test-namespace';
 }
 }
 
 /**
 * Implements hook_node_grants().
 */
 public function nodeGrants(AccountInterface $account, $operation) : array {
 // Give everyone full grants so we don't break other node tests.
 // Our node access tests asserts three realms of access.
 // See testGrantAlter().
 return [
 'test_article_realm' => [
 1,
 ],
 'test_page_realm' => [
 1,
 ],
 'test_alter_realm' => [
 2,
 ],
 ];
 }
 
 /**
 * Implements hook_node_access_records().
 */
 public function nodeAccessRecords(NodeInterface $node) : array {
 // Return nothing when testing for empty responses.
 if (!empty($node->disable_node_access)) {
 return [];
 }
 $grants = [];
 if ($node->getType () == 'article') {
 // Create grant in arbitrary article_realm for article nodes.
 $grants[] = [
 'realm' => 'test_article_realm',
 'gid' => 1,
 'grant_view' => 1,
 'grant_update' => 0,
 'grant_delete' => 0,
 ];
 }
 elseif ($node->getType () == 'page') {
 // Create grant in arbitrary page_realm for page nodes.
 $grants[] = [
 'realm' => 'test_page_realm',
 'gid' => 1,
 'grant_view' => 1,
 'grant_update' => 0,
 'grant_delete' => 0,
 ];
 }
 return $grants;
 }
 
 /**
 * Implements hook_node_access_records_alter().
 */
 public function nodeAccessRecordsAlter(&$grants, NodeInterface $node) : void {
 if (!empty($grants)) {
 foreach ($grants as $key => $grant) {
 // Alter grant from test_page_realm to test_alter_realm and modify the
 // gid.
 if ($grant['realm'] == 'test_page_realm' && $node->isPromoted ()) {
 $grants[$key]['realm'] = 'test_alter_realm';
 $grants[$key]['gid'] = 2;
 }
 }
 }
 }
 
 /**
 * Implements hook_node_grants_alter().
 */
 public function nodeGrantsAlter(&$grants, AccountInterface $account, $operation) : void {
 // Return an empty array of grants to prove that we can alter by reference.
 $grants = [];
 }
 
 /**
 * Implements hook_ENTITY_TYPE_presave() for node entities.
 */
 public function nodePresave(NodeInterface $node) : void {
 if ($node->getTitle () == 'testing_node_presave') {
 // 1978年11月19日 05:00:00 GMT.
 $node->setCreatedTime (280299600);
 // Drupal 1.0 release.
 $node->changed  = 979534800;
 }
 // Determine changes.
 if ($node->getOriginal ()?->getTitle() == 'test_changes') {
 if ($node->getOriginal ()
 ->getTitle () != $node->getTitle ()) {
 $node->title ->value  .= '_presave';
 }
 }
 }
 
 /**
 * Implements hook_ENTITY_TYPE_update() for node entities.
 */
 public function nodeUpdate(NodeInterface $node) : void {
 // Determine changes on update.
 if ($node->getOriginal ()?->getTitle() == 'test_changes') {
 if ($node->getOriginal ()
 ->getTitle () != $node->getTitle ()) {
 $node->title ->value  .= '_update';
 }
 }
 }
 
 /**
 * Implements hook_entity_view_mode_alter().
 */
 public function entityViewModeAlter(&$view_mode, EntityInterface $entity) : void {
 // Only alter the view mode if we are on the test callback.
 $change_view_mode = \Drupal ::state ()->get ('node_test_change_view_mode', '');
 if ($change_view_mode) {
 $view_mode = $change_view_mode;
 }
 }
 
 /**
 * Implements hook_ENTITY_TYPE_insert() for node entities.
 *
 * This tests saving a node on node insert.
 *
 * @see \Drupal\node\Tests\NodeSaveTest::testNodeSaveOnInsert()
 */
 public function nodeInsert(NodeInterface $node) : void {
 // Set the node title to the node ID and save.
 if ($node->getTitle () == 'new') {
 $node->setTitle ('Node ' . $node->id ());
 $node->setNewRevision (FALSE);
 $node->save ();
 }
 }
 
 /**
 * Implements hook_form_alter().
 */
 public function formAlter(&$form, FormStateInterface $form_state, $form_id) : void {
 if (!$form_state->get ('node_test_form_alter')) {
 \Drupal ::messenger ()->addStatus ('Storage is not set');
 $form_state->set ('node_test_form_alter', TRUE);
 }
 else {
 \Drupal ::messenger ()->addStatus ('Storage is set');
 }
 }
}