class ContentTranslationWorkflowsTest

class ContentTranslationWorkflowsTest extends ContentTranslationTestBase {
    use AssertPageCacheContextsAndTagsTrait;
    
    /**
     * The entity used for testing.
     *
     * @var \Drupal\entity_test\Entity\EntityTestMul
     */
    protected $entity;
    
    /**
     * {@inheritdoc}
     */
    protected $entityTypeId = 'entity_test_mulrevpub';
    
    /**
     * The referencing entity.
     *
     * @var \Drupal\entity_test\Entity\EntityTestMul
     */
    protected $referencingEntity;
    
    /**
     * The entity owner account to be used to test multilingual entity editing.
     *
     * @var \Drupal\user\UserInterface
     */
    protected $entityOwner;
    
    /**
     * The user that has entity owner permission but is not the owner.
     *
     * @var \Drupal\user\UserInterface
     */
    protected $notEntityOwner;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'language',
        'content_translation',
        'entity_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->doSetup();
        $field_storage = FieldStorageConfig::create([
            'field_name' => 'field_reference',
            'type' => 'entity_reference',
            'entity_type' => $this->entityTypeId,
            'cardinality' => 1,
            'settings' => [
                'target_type' => $this->entityTypeId,
            ],
        ]);
        $field_storage->save();
        FieldConfig::create([
            'field_storage' => $field_storage,
            'bundle' => $this->entityTypeId,
            'label' => 'Reference',
            'translatable' => FALSE,
        ])
            ->save();
        $this->container
            ->get('entity_display.repository')
            ->getViewDisplay($this->entityTypeId, $this->entityTypeId, 'default')
            ->setComponent('field_reference', [
            'type' => 'entity_reference_entity_view',
        ])
            ->save();
        $this->setupEntity();
        // Create a second entity that references the first to test how the
        // translation can be viewed through an entity reference field.
        $this->referencingEntity = EntityTestMulRevPub::create([
            'name' => 'referencing',
            'field_reference' => $this->entity
                ->id(),
        ]);
        $this->referencingEntity
            ->addTranslation($this->langcodes[2], $this->referencingEntity
            ->toArray());
        $this->referencingEntity
            ->save();
    }
    
    /**
     * {@inheritdoc}
     */
    protected function setupUsers() : void {
        $this->entityOwner = $this->drupalCreateUser($this->getEntityOwnerPermissions(), 'entity_owner');
        $this->notEntityOwner = $this->drupalCreateUser();
        $this->notEntityOwner
            ->set('roles', $this->entityOwner
            ->getRoles(TRUE));
        $this->notEntityOwner
            ->save();
        parent::setupUsers();
    }
    
    /**
     * Returns an array of permissions needed for the entity owner.
     */
    protected function getEntityOwnerPermissions() : array {
        return [
            'edit own entity_test content',
            'translate editable entities',
            'view test entity',
            'view test entity translations',
            'view unpublished test entity translations',
        ];
    }
    
    /**
     * {@inheritdoc}
     */
    protected function getTranslatorPermissions() {
        $permissions = parent::getTranslatorPermissions();
        $permissions[] = 'view test entity';
        $permissions[] = 'view test entity translations';
        $permissions[] = 'view unpublished test entity translations';
        return $permissions;
    }
    
    /**
     * {@inheritdoc}
     */
    protected function getEditorPermissions() : array {
        return [
            'administer entity_test content',
            'view test entity',
            'view test entity translations',
        ];
    }
    
    /**
     * Creates a test entity and translate it.
     *
     * @param \Drupal\User\UserInterface|null $user
     *   (optional) The entity owner.
     */
    protected function setupEntity(?UserInterface $user = NULL) : void {
        $default_langcode = $this->langcodes[0];
        // Create a test entity.
        $user = $user ?: $this->drupalCreateUser();
        $values = [
            'name' => $this->randomMachineName(),
            'user_id' => $user->id(),
            $this->fieldName => [
                [
                    'value' => $this->randomMachineName(16),
                ],
            ],
        ];
        $id = $this->createEntity($values, $default_langcode);
        $storage = $this->container
            ->get('entity_type.manager')
            ->getStorage($this->entityTypeId);
        // Create a translation that is not published to test view access.
        $this->drupalLogin($this->translator);
        $add_translation_url = Url::fromRoute("entity.{$this->entityTypeId}.content_translation_add", [
            $this->entityTypeId => $id,
            'source' => $default_langcode,
            'target' => $this->langcodes[2],
        ]);
        $edit = [
            'name[0][value]' => 'translation name',
            'content_translation[status]' => FALSE,
        ];
        $this->drupalGet($add_translation_url);
        $this->submitForm($edit, 'Save');
        $storage->resetCache([
            $id,
        ]);
        $this->entity = $storage->load($id);
        $this->rebuildContainer();
    }
    
    /**
     * Tests simple and editorial translation workflows.
     */
    public function testWorkflows() : void {
        // Test workflows for the editor.
        $expected_status = [
            'edit' => 200,
            'delete' => 200,
            'overview' => 403,
            'add_translation' => 403,
            'edit_translation' => 403,
            'delete_translation' => 403,
            'view_unpublished_translation' => 403,
            'view_unpublished_translation_reference' => FALSE,
        ];
        $this->doTestWorkflows($this->editor, $expected_status);
        // Test workflows for the translator.
        $expected_status = [
            'edit' => 403,
            'delete' => 403,
            'overview' => 200,
            'add_translation' => 200,
            'edit_translation' => 200,
            'delete_translation' => 200,
            'view_unpublished_translation' => 200,
            'view_unpublished_translation_reference' => TRUE,
        ];
        $this->doTestWorkflows($this->translator, $expected_status);
        // Test workflows for the admin.
        $expected_status = [
            'edit' => 200,
            'delete' => 200,
            'overview' => 200,
            'add_translation' => 200,
            'edit_translation' => 403,
            'delete_translation' => 403,
            'view_unpublished_translation' => 200,
            'view_unpublished_translation_reference' => TRUE,
        ];
        $this->doTestWorkflows($this->administrator, $expected_status);
        // Check that translation permissions allow the associated operations.
        $ops = [
            'create' => 'Add',
            'update' => 'Edit',
            'delete' => 'Delete',
        ];
        $translations_url = $this->entity
            ->toUrl('drupal:content-translation-overview');
        foreach ($ops as $current_op => $item) {
            $user = $this->drupalCreateUser([
                $this->getTranslatePermission(),
                "{$current_op} content translations",
                'view test entity',
            ]);
            $this->drupalLogin($user);
            $this->drupalGet($translations_url);
            // Make sure that the user.permissions cache context and the cache tags
            // for the entity are present.
            $this->assertCacheContext('user.permissions');
            foreach ($this->entity
                ->getCacheTags() as $cache_tag) {
                $this->assertSession()
                    ->responseHeaderContains('X-Drupal-Cache-Tags', $cache_tag);
            }
            foreach ($ops as $op => $label) {
                if ($op != $current_op) {
                    $this->assertSession()
                        ->linkNotExists($label, new FormattableMarkup('No %op link found.', [
                        '%op' => $label,
                    ]));
                }
                else {
                    $this->assertSession()
                        ->linkExists($label, 0, new FormattableMarkup('%op link found.', [
                        '%op' => $label,
                    ]));
                }
            }
        }
        // Test workflows for the entity owner with non-editable content.
        $expected_status = [
            'edit' => 403,
            'delete' => 403,
            'overview' => 403,
            'add_translation' => 403,
            'edit_translation' => 403,
            'delete_translation' => 403,
            'view_unpublished_translation' => 200,
            'view_unpublished_translation_reference' => TRUE,
        ];
        $this->doTestWorkflows($this->entityOwner, $expected_status);
        // Test workflows for the entity owner with editable content.
        $this->setupEntity($this->entityOwner);
        $this->referencingEntity
            ->set('field_reference', $this->entity
            ->id());
        $this->referencingEntity
            ->save();
        $expected_status = [
            'edit' => 200,
            'delete' => 403,
            'overview' => 200,
            'add_translation' => 200,
            'edit_translation' => 200,
            'delete_translation' => 200,
            'view_unpublished_translation' => 200,
            'view_unpublished_translation_reference' => TRUE,
        ];
        $this->doTestWorkflows($this->entityOwner, $expected_status);
        $expected_status = [
            'edit' => 403,
            'delete' => 403,
            'overview' => 403,
            'add_translation' => 403,
            'edit_translation' => 403,
            'delete_translation' => 403,
            'view_unpublished_translation' => 200,
            'view_unpublished_translation_reference' => TRUE,
        ];
        $this->doTestWorkflows($this->notEntityOwner, $expected_status);
    }
    
    /**
     * Checks that workflows have the expected behaviors for the given user.
     *
     * @param \Drupal\user\UserInterface $user
     *   The user to test the workflow behavior against.
     * @param array $expected_status
     *   The an associative array with the operation name as key and the expected
     *   status as value.
     */
    protected function doTestWorkflows(UserInterface $user, $expected_status) : void {
        $default_langcode = $this->langcodes[0];
        $languages = $this->container
            ->get('language_manager')
            ->getLanguages();
        $options = [
            'language' => $languages[$default_langcode],
            'absolute' => TRUE,
        ];
        $this->drupalLogin($user);
        // Check whether the user is allowed to access the entity form in edit mode.
        $edit_url = $this->entity
            ->toUrl('edit-form', $options);
        $this->drupalGet($edit_url, $options);
        $this->assertSession()
            ->statusCodeEquals($expected_status['edit']);
        // Check whether the user is allowed to access the entity delete form.
        $delete_url = $this->entity
            ->toUrl('delete-form', $options);
        $this->drupalGet($delete_url, $options);
        $this->assertSession()
            ->statusCodeEquals($expected_status['delete']);
        // Check whether the user is allowed to access the translation overview.
        $langcode = $this->langcodes[1];
        $options['language'] = $languages[$langcode];
        $translations_url = $this->entity
            ->toUrl('drupal:content-translation-overview', $options)
            ->toString();
        $this->drupalGet($translations_url);
        $this->assertSession()
            ->statusCodeEquals($expected_status['overview']);
        // Check whether the user is allowed to create a translation.
        $add_translation_url = Url::fromRoute("entity.{$this->entityTypeId}.content_translation_add", [
            $this->entityTypeId => $this->entity
                ->id(),
            'source' => $default_langcode,
            'target' => $langcode,
        ], $options);
        if ($expected_status['add_translation'] == 200) {
            $this->clickLink('Add');
            $this->assertSession()
                ->addressEquals($add_translation_url);
            // Check that the translation form does not contain shared elements for
            // translators.
            if ($expected_status['edit'] == 403) {
                $this->assertNoSharedElements();
            }
        }
        else {
            $this->drupalGet($add_translation_url);
        }
        $this->assertSession()
            ->statusCodeEquals($expected_status['add_translation']);
        // Check whether the user is allowed to edit a translation.
        $langcode = $this->langcodes[2];
        $options['language'] = $languages[$langcode];
        $edit_translation_url = Url::fromRoute("entity.{$this->entityTypeId}.content_translation_edit", [
            $this->entityTypeId => $this->entity
                ->id(),
            'language' => $langcode,
        ], $options);
        if ($expected_status['edit_translation'] == 200) {
            $this->drupalGet($translations_url);
            $editor = $expected_status['edit'] == 200;
            if ($editor) {
                $this->clickLink('Edit', 1);
                // An editor should be pointed to the entity form in multilingual mode.
                // We need a new expected edit path with a new language.
                $expected_edit_path = $this->entity
                    ->toUrl('edit-form', $options)
                    ->toString();
                $this->assertSession()
                    ->addressEquals($expected_edit_path);
            }
            else {
                $this->clickLink('Edit');
                // While a translator should be pointed to the translation form.
                $this->assertSession()
                    ->addressEquals($edit_translation_url);
                // Check that the translation form does not contain shared elements.
                $this->assertNoSharedElements();
            }
        }
        else {
            $this->drupalGet($edit_translation_url);
        }
        $this->assertSession()
            ->statusCodeEquals($expected_status['edit_translation']);
        // When viewing an unpublished entity directly, access is currently denied
        // completely. See https://www.drupal.org/node/2978048.
        $this->drupalGet($this->entity
            ->getTranslation($langcode)
            ->toUrl());
        $this->assertSession()
            ->statusCodeEquals($expected_status['view_unpublished_translation']);
        // On a reference field, the translation falls back to the default language.
        $this->drupalGet($this->referencingEntity
            ->getTranslation($langcode)
            ->toUrl());
        $this->assertSession()
            ->statusCodeEquals(200);
        if ($expected_status['view_unpublished_translation_reference']) {
            $this->assertSession()
                ->pageTextContains('translation name');
        }
        else {
            $this->assertSession()
                ->pageTextContains($this->entity
                ->label());
        }
        // Check whether the user is allowed to delete a translation.
        $delete_translation_url = Url::fromRoute("entity.{$this->entityTypeId}.content_translation_delete", [
            $this->entityTypeId => $this->entity
                ->id(),
            'language' => $langcode,
        ], $options);
        if ($expected_status['delete_translation'] == 200) {
            $this->drupalGet($translations_url);
            $editor = $expected_status['delete'] == 200;
            if ($editor) {
                $this->clickLink('Delete', 1);
                // An editor should be pointed to the entity deletion form in
                // multilingual mode. We need a new expected delete path with a new
                // language.
                $expected_delete_path = $this->entity
                    ->toUrl('delete-form', $options)
                    ->toString();
                $this->assertSession()
                    ->addressEquals($expected_delete_path);
            }
            else {
                $this->clickLink('Delete');
                // While a translator should be pointed to the translation deletion
                // form.
                $this->assertSession()
                    ->addressEquals($delete_translation_url);
            }
        }
        else {
            $this->drupalGet($delete_translation_url);
        }
        $this->assertSession()
            ->statusCodeEquals($expected_status['delete_translation']);
    }
    
    /**
     * Assert that the current page does not contain shared form elements.
     *
     * @internal
     */
    protected function assertNoSharedElements() : void {
        $language_none = LanguageInterface::LANGCODE_NOT_SPECIFIED;
        $this->assertSession()
            ->fieldNotExists("field_test_text[{$language_none}][0][value]");
    }

}