/**
* Responds to GET requests.
*
* Returns a menu tree for the specified menu name.
*
* @param int $menu_name
* The machine name of the Drupal menu.
*
* @return \Drupal\rest\ResourceResponse
* The response containing the menu tree.
*
* @throws \Symfony\Component\HttpKernel\Exception\HttpException
*/
public function get($menu_name = NULL)
{
if ($menu_name) {
// Get menu tree resource config, set at /admin/config/services/menutree.
$config = \Drupal::config('menutree_resource.services_settings');
$services_menus = $config->get('services_menus');
// Only allow a response if the menu is in config
if (in_array($menu_name, array_filter(array_values($services_menus)))) {
$menu_tree = \Drupal::menuTree();
$parameters = new MenuTreeParameters();
$parameters->onlyEnabledLinks();
$tree = $menu_tree->load($menu_name, $parameters);
if (!empty($tree)) {
$manipulators = array(array('callable' => 'menu.default_tree_manipulators:checkAccess'), array('callable' => 'menu.default_tree_manipulators:generateIndexAndSort'));
$tree = $menu_tree->transform($tree, $manipulators);
$build = $menu_tree->build($tree);
// Clean the menu tree so it's ready for serialisation in a resource response.
$items = $this->clean_tree($build['#items']);
return new ResourceResponse($items);
}
throw new NotFoundHttpException(t('Menu with name @menu_name was not found', array('@menu_name' => $menu_name)));
}
throw new NotFoundHttpException(t('Menu tree @menu_name not allowed.', array('@menu_name' => $menu_name)));
}
throw new HttpException(t('No menu name was provided'));
}
/**
* Tests the loadTreeData method.
*/
public function testLoadTree()
{
$this->addMenuLink('test1', '');
$this->addMenuLink('test2', 'test1');
$this->addMenuLink('test3', 'test2');
$this->addMenuLink('test4');
$this->addMenuLink('test5', 'test4');
$data = $this->treeStorage->loadTreeData('tools', new MenuTreeParameters());
$tree = $data['tree'];
$this->assertEqual(count($tree['test1']['subtree']), 1);
$this->assertEqual(count($tree['test1']['subtree']['test2']['subtree']), 1);
$this->assertEqual(count($tree['test1']['subtree']['test2']['subtree']['test3']['subtree']), 0);
$this->assertEqual(count($tree['test4']['subtree']), 1);
$this->assertEqual(count($tree['test4']['subtree']['test5']['subtree']), 0);
$parameters = new MenuTreeParameters();
$parameters->setActiveTrail(array('test4', 'test5'));
$data = $this->treeStorage->loadTreeData('tools', $parameters);
$tree = $data['tree'];
$this->assertEqual(count($tree['test1']['subtree']), 1);
$this->assertFalse($tree['test1']['in_active_trail']);
$this->assertEqual(count($tree['test1']['subtree']['test2']['subtree']), 1);
$this->assertFalse($tree['test1']['subtree']['test2']['in_active_trail']);
$this->assertEqual(count($tree['test1']['subtree']['test2']['subtree']['test3']['subtree']), 0);
$this->assertFalse($tree['test1']['subtree']['test2']['subtree']['test3']['in_active_trail']);
$this->assertEqual(count($tree['test4']['subtree']), 1);
$this->assertTrue($tree['test4']['in_active_trail']);
$this->assertEqual(count($tree['test4']['subtree']['test5']['subtree']), 0);
$this->assertTrue($tree['test4']['subtree']['test5']['in_active_trail']);
// Add some conditions to ensure that conditions work as expected.
$parameters = new MenuTreeParameters();
$parameters->addCondition('parent', 'test1');
$data = $this->treeStorage->loadTreeData('tools', $parameters);
$this->assertEqual(count($data['tree']), 1);
$this->assertEqual($data['tree']['test2']['definition']['id'], 'test2');
$this->assertEqual($data['tree']['test2']['subtree'], []);
// Test for only enabled links.
$link = $this->treeStorage->load('test3');
$link['enabled'] = FALSE;
$this->treeStorage->save($link);
$link = $this->treeStorage->load('test4');
$link['enabled'] = FALSE;
$this->treeStorage->save($link);
$link = $this->treeStorage->load('test5');
$link['enabled'] = FALSE;
$this->treeStorage->save($link);
$parameters = new MenuTreeParameters();
$parameters->onlyEnabledLinks();
$data = $this->treeStorage->loadTreeData('tools', $parameters);
$this->assertEqual(count($data['tree']), 1);
$this->assertEqual($data['tree']['test1']['definition']['id'], 'test1');
$this->assertEqual(count($data['tree']['test1']['subtree']), 1);
$this->assertEqual($data['tree']['test1']['subtree']['test2']['definition']['id'], 'test2');
$this->assertEqual($data['tree']['test1']['subtree']['test2']['subtree'], []);
}
/**
* Tests onlyEnabledLinks().
*
* @covers ::onlyEnabledLinks
*/
public function testOnlyEnabledLinks()
{
$parameters = new MenuTreeParameters();
$parameters->onlyEnabledLinks();
$this->assertEquals(1, $parameters->conditions['enabled']);
}
