Create Enum for Invoice type codes and build a translatable Trait.

app/Enum/hasTranslatable.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Enum;
+
+trait hasTranslatable
+{
+    public static function options(): array
+    {
+        $options = [];
+        foreach (self::cases() as $value) {
+            $options[$value->value] = __('enum.' . $value->name);
+        }
+        return $options;
+    }
+
+    public static function label($value)
+    {
+        return self::options()[$value];
+    }
+}