base commit

app/Observers/VacationObserver.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Observers;
+
+use App\Enums\ApprovalStatus;
+use App\Models\Vacation;
+use App\Services\Leave\LeaveDaysCalculator;
+
+class VacationObserver
+{
+    public function __construct(
+        private readonly LeaveDaysCalculator $leaveDaysCalculator,
+    ) {}
+
+    public function creating(Vacation $vacation): void
+    {
+        if ($vacation->status === null) {
+            $vacation->status = ApprovalStatus::Pending;
+        }
+    }
+
+    public function saving(Vacation $vacation): void
+    {
+        if ($vacation->start_date === null || $vacation->end_date === null) {
+            return;
+        }
+
+        $vacation->days = $this->leaveDaysCalculator->between(
+            $vacation->start_date,
+            $vacation->end_date,
+        );
+    }
+}