- change document numbering system (#106)

app/Eloquent/Observers/VacationRequestObserver.php

@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Eloquent\Observers;
+
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestObserver
+{
+    public function creating(VacationRequest $vacationRequest): void
+    {
+        $count = $vacationRequest->yearPeriod->vacationRequests()->count();
+        $number = $count + 1;
+
+        $vacationRequest->name = "{$number}/{$vacationRequest->yearPeriod->year}";
+    }
+}