class NodeAccessJoinTest

class NodeAccessJoinTest extends NodeTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'node_access_test',
        'node_test_views',
        'views',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * The user that will create the articles.
     *
     * @var \Drupal\user\UserInterface
     */
    protected UserInterface $authorUser;
    
    /**
     * Another user that will create articles.
     *
     * @var \Drupal\user\UserInterface
     */
    protected UserInterface $otherUser;
    
    /**
     * A user with just access content permissions.
     *
     * @var \Drupal\user\UserInterface
     */
    protected UserInterface $regularUser;
    
    /**
     * A user with access to private articles.
     *
     * @var \Drupal\user\UserInterface
     */
    protected UserInterface $accessUser;
    
    /**
     * Articles.
     *
     * @var array
     */
    protected array $articles;
    
    /**
     * Views used by this test.
     *
     * @var array
     */
    public static array $testViews = [
        'test_node_access_join',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        node_access_test_add_field(NodeType::load('article'));
        $field_storage = FieldStorageConfig::create([
            'field_name' => 'related_article',
            'entity_type' => 'node',
            'translatable' => FALSE,
            'entity_types' => [],
            'settings' => [
                'target_type' => 'node',
            ],
            'type' => 'entity_reference',
        ]);
        $field_storage->save();
        $field = FieldConfig::create([
            'field_name' => 'related_article',
            'entity_type' => 'node',
            'bundle' => 'page',
            'label' => 'Related Article',
            'settings' => [
                'handler' => 'default',
                'handler_settings' => [
                    // Reference a single vocabulary.
'target_bundles' => [
                        'article',
                    ],
                ],
            ],
        ]);
        $field->save();
        $entity_display = \Drupal::service('entity_display.repository');
        $entity_display->getViewDisplay('node', 'page', 'default')
            ->setComponent('related_article')
            ->save();
        $entity_display->getFormDisplay('node', 'page', 'default')
            ->setComponent('related_article', [
            'type' => 'entity_reference_autocomplete',
        ])
            ->save();
        $field = FieldConfig::create([
            'field_name' => 'related_article',
            'entity_type' => 'node',
            'bundle' => 'article',
            'label' => 'Related Article',
            'settings' => [
                'handler' => 'default',
                'handler_settings' => [
                    // Reference a single vocabulary.
'target_bundles' => [
                        'article',
                    ],
                ],
            ],
        ]);
        $field->save();
        $entity_display->getViewDisplay('node', 'article', 'default')
            ->setComponent('related_article')
            ->save();
        $entity_display->getFormDisplay('node', 'article', 'default')
            ->setComponent('related_article', [
            'type' => 'entity_reference_autocomplete',
        ])
            ->save();
        node_access_rebuild();
        \Drupal::state()->set('node_access_test.private', TRUE);
    }
    
    /**
     * Tests the accessibility of joined nodes.
     *
     * - Create two users with "access content" and "create article" permissions
     *   who can each access their own private articles but not others'.
     * - Create article-type nodes with and without references to other articles.
     *   The articles and references represent all possible combinations of the
     *   tested access types.
     * - Create page-type nodes referencing each of the articles, as well as a
     *   page with no reference.
     * - Use a custom view that creates two joins between nodes and has a
     *   node_access tag. The view lists the page nodes, the article
     *   referenced by each page node, and the article referenced by each
     *   article.
     *
     * - Login with the author user and check that user does not have access to
     *   private nodes created by other users. Test access using total row
     *   count as well as checking for presence of individual page titles.
     * - Repeat tests using a user with only the "access content" permission,
     *   confirming this user does not have access to any private nodes.
     * - Repeat tests using a user with "access content" and "node test view"
     *   permissions, confirming this user sees the complete view.
     */
    public function testNodeAccessJoin() : void {
        $permissions = [
            'access content',
            'create article content',
        ];
        // User to add articles and test author access.
        $this->authorUser = $this->drupalCreateUser($permissions);
        // Another user to add articles whose private articles can not be accessed
        // by authorUser.
        $this->otherUser = $this->drupalCreateUser($permissions);
        // Create the articles. The articles are stored in an array keyed by
        // $article and $reference2, where $article is the access type of the
        // article itself, and $reference2 is the access type of the reference
        // linked to by the article. 'public' articles are created by otherUser with
        // private=0. 'private' articles are created by otherUser with private=1.
        // 'author_public' articles are created by authorUser with private=0.
        // 'author_private' articles are created by authorUser with private=1.
        // 'no_reference' is used for references when there is no related article.
        $access_type = [
            'public',
            'private',
            'author_public',
            'author_private',
        ];
        $reference_access_type = array_merge([
            'no_reference',
        ], $access_type);
        foreach ($reference_access_type as $reference2) {
            foreach ($access_type as $article) {
                $is_author = str_starts_with($article, 'author');
                $is_private = str_ends_with($article, 'private');
                $edit = [
                    'type' => 'article',
                    'uid' => $is_author ? $this->authorUser
                        ->id() : $this->otherUser
                        ->id(),
                ];
                $edit['private'][0]['value'] = $is_private;
                // The article names provide the access status of the article and the
                // access status of the related article, if any. The naming system
                // ensures that the text 'Article $article' will only appear in the view
                // if an article with that access type is displayed in the view. The
                // text '$article' alone will appear in the titles of other nodes that
                // reference an article.
                $edit['title'] = "Article {$article} - {$reference2}";
                if ($reference2 !== 'no_reference') {
                    $edit['related_article'][0]['target_id'] = $this->articles[$reference2]['no_reference'];
                }
                $node = $this->drupalCreateNode($edit);
                $this->articles[$article][$reference2] = $node->id();
                $this->assertEquals((int) $is_private, (int) $node->private->value, 'The private status of the article node was properly set in the node_access_test table.' . $node->uid->target_id);
                if ($reference2 !== 'no_reference') {
                    $this->assertEquals((int) $this->articles[$reference2]['no_reference'], (int) $node->related_article->target_id, 'Proper article attached to article.');
                }
            }
        }
        // Add a blank 'no_reference' entry to the article list, so that a page with
        // no reference gets created.
        $this->articles['no_reference']['no_reference'] = NULL;
        $total = 0;
        $count_s_total = $count_s2_total = 0;
        $count_s_public = $count_s2_public = 0;
        $count_s_author = $count_s2_author = 0;
        $total_public = $total_author = 0;
        // Create page nodes referencing each article, as a page without reference.
        foreach ($this->articles as $reference => $list) {
            foreach ($list as $reference2 => $article_nid) {
                $title = "Page - {$reference}";
                if ($reference !== 'no_reference') {
                    $title .= " - {$reference2}";
                }
                $edit = [
                    'type' => 'page',
                    'title' => $title,
                ];
                if ($article_nid) {
                    $edit['related_article'][0]['target_id'] = $article_nid;
                }
                $node = $this->drupalCreateNode($edit);
                if ($article_nid) {
                    $this->assertEquals((int) $article_nid, (int) $node->related_article->target_id, 'Proper article attached to page.');
                }
                // Calculate totals expected for each user type.
                $total++;
                // Total number of primary and secondary references.
                if ($reference !== 'no_reference') {
                    $count_s_total++;
                    if ($reference2 !== 'no_reference') {
                        $count_s2_total++;
                    }
                }
                // Public users only see 'public' and 'author_public' articles.
                if (str_ends_with($reference, 'public')) {
                    $count_s_public++;
                    if (str_ends_with($reference2, 'public')) {
                        $count_s2_public++;
                    }
                }
                // authorUser sees 'public','author_public', 'author_private' articles.
                if (str_ends_with($reference, 'public') || str_starts_with($reference, 'author')) {
                    $count_s_author++;
                    if (str_ends_with($reference2, 'public') || str_starts_with($reference2, 'author')) {
                        $count_s2_author++;
                    }
                }
                // $total_public and $total_author are not currently in use -- but
                // represent the totals when joins are handled by adding an is-null
                // check (i.e., if inaccessible references caused the entire row to be
                // hidden from view, instead of hiding just one cell of the table).
                // Count of pages where all related articles are accessible by
                // public users.
                if (!str_ends_with($reference, 'private') && !str_ends_with($reference2, 'private')) {
                    $total_public++;
                }
                // Count of pages where all related articles are accessible by
                // authorUser.
                if ($reference !== 'private' && $reference2 !== 'private') {
                    $total_author++;
                }
            }
        }
        // Generate a view listing all the pages, and check the view's content for
        // users with three different access levels.
        ViewTestData::createTestViews(get_class($this), [
            'node_test_views',
        ]);
        // Check the author of the 'author' articles.
        $this->drupalLogin($this->authorUser);
        $this->drupalGet('test-node-access-join');
        $chk_total = count($this->xpath("//td[@headers='view-title-table-column']"));
        $this->assertEquals($chk_total, $total, 'Author should see ' . $total . ' rows. Actual: ' . $chk_total);
        $chk_total = count($this->xpath("//td[@headers='view-title-1-table-column']/a"));
        $this->assertEquals($chk_total, $count_s_author, 'Author should see ' . $count_s_author . ' primary references. Actual: ' . $chk_total);
        $chk_total = count($this->xpath("//td[@headers='view-title-2-table-column']/a"));
        $this->assertEquals($chk_total, $count_s2_author, 'Author should see ' . $count_s2_author . ' secondary references. Actual: ' . $chk_total);
        $session = $this->assertSession();
        $session->pageTextContains('Page - no_reference');
        $session->pageTextContains('Page - public - no_reference');
        $session->pageTextContains('Page - public - public');
        $session->pageTextContains('Page - author_private - no_reference');
        $session->pageTextContains('Article public');
        $session->pageTextNotContains('Article private');
        $session->pageTextContains('Article author_public');
        $session->pageTextContains('Article author_private');
        // Check a regular user who did not author any articles.
        $this->regularUser = $this->drupalCreateUser([
            'access content',
        ]);
        $this->drupalLogin($this->regularUser);
        $this->drupalGet('test-node-access-join');
        $chk_total = count($this->xpath("//td[@headers='view-title-table-column']"));
        $this->assertEquals($chk_total, $total, 'Public user should see ' . $total . ' rows. Actual: ' . $chk_total);
        $chk_total = count($this->xpath("//td[@headers='view-title-1-table-column']/a"));
        $this->assertEquals($chk_total, $count_s_public, 'Public user should see ' . $count_s_public . ' primary references. Actual: ' . $chk_total);
        $chk_total = count($this->xpath("//td[@headers='view-title-2-table-column']/a"));
        $this->assertEquals($chk_total, $count_s2_public, 'Public user should see ' . $count_s2_public . ' secondary references. Actual: ' . $chk_total);
        $session->pageTextContains('Page - no_reference');
        $session->pageTextContains('Page - public - no_reference');
        $session->pageTextContains('Page - public - public');
        $session->pageTextContains('Article public');
        $session->pageTextNotContains('Article private');
        $session->pageTextContains('Article author_public');
        $session->pageTextNotContains('Article author_private');
        // Check that a user with 'node test view' permission, can view all pages
        // and articles.
        $this->accessUser = $this->drupalCreateUser([
            'access content',
            'node test view',
        ]);
        $this->drupalLogin($this->accessUser);
        $this->drupalGet('test-node-access-join');
        $chk_total = count($this->xpath("//td[@headers='view-title-table-column']"));
        $this->assertEquals($chk_total, $total, 'Full-access user should see ' . $total . ' rows. Actual: ' . $chk_total);
        $chk_total = count($this->xpath("//td[@headers='view-title-1-table-column']/a"));
        $this->assertEquals($chk_total, $count_s_total, 'Full-access user should see ' . $count_s_total . ' primary references. Actual: ' . $chk_total);
        $chk_total = count($this->xpath("//td[@headers='view-title-2-table-column']/a"));
        $this->assertEquals($chk_total, $count_s2_total, 'Full-access user should see ' . $count_s2_total . ' secondary references. Actual: ' . $chk_total);
        $session->pageTextContains('Page - no_reference');
        $session->pageTextContains('Page - public - no_reference');
        $session->pageTextContains('Page - public - public');
        $session->pageTextContains('Page - author_private - no_reference');
        $session->pageTextContains('Article public');
        $session->pageTextContains('Article private');
        $session->pageTextContains('Article author_public');
        $session->pageTextContains('Article author_private');
    }

}