added event before rendering permissions (#1599)

src/Controller/PermissionController.php

@@ -12,6 +12,7 @@ namespace App\Controller;
 use App\Entity\Role;
 use App\Entity\RolePermission;
 use App\Event\PermissionSectionsEvent;
+use App\Event\PermissionsEvent;
 use App\Form\RoleType;
 use App\Model\PermissionSection;
 use App\Repository\RolePermissionRepository;
@@ -143,10 +144,16 @@ final class PermissionController extends AbstractController
             $roles[$role->getName()] = $role;
         }
 
+        $event = new PermissionsEvent();
+        foreach ($permissionSorted as $title => $permissions) {
+            $event->addPermissions($title, $permissions);
+        }
+
+        $dispatcher->dispatch($event);
+
         return $this->render('user/permissions.html.twig', [
             'roles' => array_values($roles),
-            'permissions' => $this->manager->getPermissions(),
-            'sorted' => $permissionSorted,
+            'sorted' => $event->getPermissions(),
             'manager' => $this->manager,
             'system_roles' => $this->roleService->getSystemRoles(),
         ]);

src/Event/PermissionsEvent.php

@@ -0,0 +1,74 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Event;
+
+use Symfony\Contracts\EventDispatcher\Event;
+
+/**
+ * This event can be used, to dynamically change the displayed permissions in the permission screen.
+ */
+final class PermissionsEvent extends Event
+{
+    /**
+     * @var array
+     */
+    private $sections = [];
+
+    /**
+     * @param string $section
+     * @param string[] $permissions
+     * @return PermissionsEvent
+     */
+    public function addPermissions(string $section, array $permissions): PermissionsEvent
+    {
+        $this->sections[$section] = $permissions;
+
+        return $this;
+    }
+
+    public function removePermission(string $section, string $permission): PermissionsEvent
+    {
+        if (array_key_exists($section, $this->sections)) {
+            if (array_key_exists($permission, $this->sections[$section])) {
+                unset($this->sections[$section][$permission]);
+            }
+        }
+
+        return $this;
+    }
+
+    public function hasSection(string $section): bool
+    {
+        return array_key_exists($section, $this->sections);
+    }
+
+    public function removeSection(string $section): PermissionsEvent
+    {
+        if (array_key_exists($section, $this->sections)) {
+            unset($this->sections[$section]);
+        }
+
+        return $this;
+    }
+
+    public function getSection(string $section): ?array
+    {
+        if (array_key_exists($section, $this->sections)) {
+            return $this->sections[$section];
+        }
+
+        return null;
+    }
+
+    public function getPermissions(): array
+    {
+        return $this->sections;
+    }
+}