Issue #2051889 by dawehner, pwolanin, tstoeckler: Add route parameters property to menu links.

core/modules/menu_link/lib/Drupal/menu_link/Entity/MenuLink.php

@@ -256,6 +256,13 @@ class MenuLink extends Entity implements \ArrayAccess, MenuLinkInterface {
    */
   public $route_name;
 
+  /**
+   * The parameters of the route associated with this menu link, if any.
+   *
+   * @var array
+   */
+  public $route_parameters;
+
   /**
    * The route object associated with this menu link, if any.
    *
@@ -485,7 +492,13 @@ public function preSave(EntityStorageControllerInterface $storage_controller) {
     }
     // Find the route_name.
     if (!isset($this->route_name)) {
-      $this->route_name = $this::findRouteName($this->link_path);
+      if ($result = static::findRouteNameParameters($this->link_path)) {
+        list($this->route_name, $this->route_parameters) = $result;
+      }
+      else {
+        $this->route_name = '';
+        $this->route_parameters = array();
+      }
     }
   }
 
@@ -508,7 +521,7 @@ public function postSave(EntityStorageControllerInterface $storage_controller, $
   /**
    * {@inheritdoc}
    */
-  public static function findRouteName($link_path) {
+  public static function findRouteNameParameters($link_path) {
     // Look up the route_name used for the given path.
     $request = Request::create('/' . $link_path);
     $request->attributes->set('_system_path', $link_path);
@@ -517,10 +530,13 @@ public static function findRouteName($link_path) {
       // legacy router which will call hook_menu() and you will get back to
       // this method.
       $result = \Drupal::service('router.dynamic')->matchRequest($request);
-      return isset($result['_route']) ? $result['_route'] : '';
+      $return = array();
+      $return[] = isset($result['_route']) ? $result['_route'] : '';
+      $return[] = $result['_raw_variables']->all();
+      return $return;
     }
     catch (\Exception $e) {
-      return '';
+      return array();
     }
   }
 

core/modules/menu_link/lib/Drupal/menu_link/MenuLinkInterface.php

@@ -56,15 +56,16 @@ public function reset();
   public static function buildFromRouterItem(array $item);
 
   /**
-   * Returns the route_name matching a URL.
+   * Returns the route_name and route parameters matching a system path.
    *
    * @param string $link_path
    *   The link path to find a route name for.
    *
-   * @return string
-   *   The route name.
+   * @return array
+   *   Returns an array with both the route name and parameters, or an empty
+   *   array if no route was matched.
    */
-  public static function findRouteName($link_path);
+  public static function findRouteNameParameters($link_path);
 
   /**
    * Sets the p1 through p9 properties for a menu link entity being saved.

core/modules/menu_link/lib/Drupal/menu_link/MenuLinkStorageController.php

@@ -111,6 +111,7 @@ protected function attachLoad(&$menu_links, $load_revision = FALSE) {
 
     foreach ($menu_links as &$menu_link) {
       $menu_link->options = unserialize($menu_link->options);
+      $menu_link->route_parameters = unserialize($menu_link->route_parameters);
 
       // Use the weight property from the menu link.
       $menu_link->router_item['weight'] = $menu_link->weight;

core/modules/menu_link/menu_link.install

@@ -202,6 +202,13 @@ function menu_link_schema() {
         'type' => 'varchar',
         'length' => 255,
       ),
+      'route_parameters' => array(
+        'description' => 'Serialized array of route parameters of this menu link.',
+        'type' => 'blob',
+        'size' => 'big',
+        'not null' => FALSE,
+        'serialize' => TRUE,
+      ),
     ),
     'indexes' => array(
       'path_menu' => array(array('link_path', 128), 'menu_name'),

core/modules/menu_link/tests/Drupal/menu_link/Tests/Plugin/Core/Entity/MenuLinkTest.php

+<?php
+
+/**
+ * @file
+ * Contains \Drupal\menu_link\Tests\Plugin\Core\Entity\MenuLinkTest.
+ */
+
+namespace Drupal\menu_link\Tests\Plugin\Core\Entity;
+
+use Drupal\Core\DependencyInjection\ContainerBuilder;
+use Drupal\menu_link\Entity\MenuLink;
+use Drupal\Tests\UnitTestCase;
+use Symfony\Cmf\Component\Routing\RouteObjectInterface;
+use Symfony\Component\HttpFoundation\ParameterBag;
+use Symfony\Component\Routing\Exception\ResourceNotFoundException;
+
+/**
+ * Tests the menu link entity class.
+ *
+ * @group Drupal
+ * @group Drupal_menu
+ *
+ * @see \Drupal\menu_link\Plugin\Core\Entity\MenuLink
+ */
+class MenuLinkTest extends UnitTestCase {
+
+  public static function getInfo() {
+    return array(
+      'name' => 'Menu link entity',
+      'description' => 'Tests the menu link entity class.',
+      'group' => 'Menu',
+    );
+  }
+
+  /**
+   * Tests the findRouteNameParameters method.
+   *
+   * @see \Drupal\menu_link\Plugin\Core\Entity\MenuLink::findRouteNameParameters()
+   */
+  public function testFindRouteNameParameters() {
+    $router = $this->getMock('Symfony\Component\Routing\Matcher\RequestMatcherInterface');
+    $container = new ContainerBuilder();
+    $container->set('router.dynamic', $router);
+    \Drupal::setContainer($container);
+
+    $router->expects($this->at(0))
+      ->method('matchRequest')
+      ->will($this->returnValue(array(
+        RouteObjectInterface::ROUTE_NAME => 'view.frontpage.page_1',
+        '_raw_variables' => new ParameterBag(),
+      )));
+    $router->expects($this->at(1))
+      ->method('matchRequest')
+      ->will($this->returnValue(array(
+        RouteObjectInterface::ROUTE_NAME => 'node_view',
+        '_raw_variables' => new ParameterBag(array('node' => '1')),
+      )));
+    $router->expects($this->at(2))
+      ->method('matchRequest')
+      ->will($this->returnValue(array(
+        RouteObjectInterface::ROUTE_NAME => 'node_edit',
+        '_raw_variables' => new ParameterBag(array('node' => '2')),
+      )));
+    $router->expects($this->at(3))
+      ->method('matchRequest')
+      ->will($this->throwException(new ResourceNotFoundException()));
+
+    $this->assertEquals(array('view.frontpage.page_1', array()), MenuLink::findRouteNameParameters('node'));
+    $this->assertEquals(array('node_view', array('node' => '1')), MenuLink::findRouteNameParameters('node/1'));
+    $this->assertEquals(array('node_edit', array('node' => '2')), MenuLink::findRouteNameParameters('node/2/edit'));
+
+    $this->assertEquals(array(), MenuLink::findRouteNameParameters('non-existing'));
+  }
+
+}

core/modules/system/lib/Drupal/system/Tests/Menu/LinksTest.php

@@ -13,6 +13,14 @@
  * Tests for menu links.
  */
 class LinksTest extends WebTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = array('router_test');
+
   public static function getInfo() {
     return array(
       'name' => 'Menu links',
@@ -229,4 +237,28 @@ function testMenuLinkRouterReparenting() {
     );
     $this->assertMenuLinkParents($links, $expected_hierarchy);
   }
+
+  /**
+   * Tests the router system integration (route_name and route_parameters).
+   */
+  public function testRouterIntegration() {
+    $menu_link = entity_create('menu_link', array(
+      'link_path' => 'router_test/test1',
+    ));
+    $menu_link->save();
+    $this->assertEqual($menu_link->route_name, 'router_test_1');
+    $this->assertEqual($menu_link->route_parameters, array());
+
+    $menu_link = entity_create('menu_link', array(
+      'link_path' => 'router_test/test3/test',
+    ));
+    $menu_link->save();
+    $this->assertEqual($menu_link->route_name, 'router_test_3');
+    $this->assertEqual($menu_link->route_parameters, array('value' => 'test'));
+
+    $menu_link = entity_load('menu_link', $menu_link->id());
+    $this->assertEqual($menu_link->route_name, 'router_test_3');
+    $this->assertEqual($menu_link->route_parameters, array('value' => 'test'));
+  }
+
 }

core/modules/system/system.install

@@ -2251,6 +2251,21 @@ function system_upgrade_8060() {
   }
 }
 
+/**
+ * Add route_parameters column to the menu_links table.
+ */
+function system_update_8060() {
+  $spec = array(
+    'description' => 'Serialized array of route parameters of this menu link.',
+    'type' => 'blob',
+    'size' => 'big',
+    'not null' => FALSE,
+    'serialize' => TRUE,
+  );
+
+  db_add_field('menu_links', 'route_parameters', $spec);
+}
+
 /**
  * @} End of "defgroup updates-7.x-to-8.x".
  * The next series of updates should start at 9000.