Added a basic dialog for editing/creating attachmentType elements.

src/Security/Voter/StructureVoter.php

@@ -0,0 +1,109 @@
+<?php
+/**
+ *
+ * part-db version 0.1
+ * Copyright (C) 2005 Christoph Lechner
+ * http://www.cl-projects.de/
+ *
+ * part-db version 0.2+
+ * Copyright (C) 2009 K. Jacobs and others (see authors.php)
+ * http://code.google.com/p/part-db/
+ *
+ * Part-DB Version 0.4+
+ * Copyright (C) 2016 - 2019 Jan Böhmer
+ * https://github.com/jbtronics
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ *
+ */
+
+namespace App\Security\Voter;
+
+
+use App\Entity\AttachmentType;
+use App\Entity\Category;
+use App\Entity\Device;
+use App\Entity\Footprint;
+use App\Entity\Manufacturer;
+use App\Entity\Storelocation;
+use App\Entity\Supplier;
+use App\Entity\User;
+
+class StructureVoter extends ExtendedVoter
+{
+
+    /**
+     * Determines if the attribute and subject are supported by this voter.
+     *
+     * @param string $attribute An attribute
+     * @param mixed $subject The subject to secure, e.g. an object the user wants to access or any other PHP type
+     *
+     * @return bool True if the attribute and subject are supported, false otherwise
+     */
+    protected function supports($attribute, $subject)
+    {
+        $permission_name = $this->instanceToPermissionName($subject);
+        //If permission name is null, then the subject is not supported
+        return ($permission_name !== null) && $this->resolver->isValidOperation($permission_name, $attribute);
+
+    }
+
+    /**
+     * Maps a instance type to the permission name.
+     * @param $subject mixed The subject for which the permission name should be generated.
+     * @return string|null The name of the permission for the subject's type or null, if the subject is not supported.
+     */
+    protected function instanceToPermissionName($subject) : ?string
+    {
+        $class_name = get_class($subject);
+        switch ($class_name) {
+            case AttachmentType::class:
+                return 'attachment_types';
+            case Category::class:
+                return 'categories';
+            case Device::class:
+                return 'devices';
+            case Footprint::class:
+                return 'footprints';
+            case Manufacturer::class:
+                return 'manufacturers';
+            case Storelocation::class:
+                return 'storelocations';
+            case Supplier::class:
+                return 'suppliers';
+        }
+        //When the class is not supported by this class return null
+        return null;
+    }
+
+    /**
+     * Similar to voteOnAttribute, but checking for the anonymous user is already done.
+     * The current user (or the anonymous user) is passed by $user.
+     *
+     * @param $attribute
+     * @param $subject
+     * @param User $user
+     *
+     * @return bool
+     */
+    protected function voteOnUser($attribute, $subject, User $user): bool
+    {
+        $permission_name = $this->instanceToPermissionName($subject);
+        //Just resolve the permission
+        return $this->resolver->inherit($user, $permission_name, $attribute) ?? false;
+    }
+
+
+}