Use enums for LabelOptions

src/Entity/LabelSystem/LabelSupportedElement.php

@@ -0,0 +1,45 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 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 Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\Entity\LabelSystem;
+
+use App\Entity\Parts\Part;
+use App\Entity\Parts\PartLot;
+use App\Entity\Parts\Storelocation;
+
+enum LabelSupportedElement: string
+{
+    case PART = 'part';
+    case PART_LOT = 'part_lot';
+    case STORELOCATION = 'storelocation';
+
+    /**
+     * Returns the entity class for the given element type
+     * @return string
+     */
+    public function getEntityClass(): string
+    {
+        return match ($this) {
+            self::PART => Part::class,
+            self::PART_LOT => PartLot::class,
+            self::STORELOCATION => Storelocation::class,
+        };
+    }
+}