Merge branch 'main' into #20-vacation-requests

# Conflicts:
#	app/Architecture/Providers/ObserverServiceProvider.php
#	app/Domain/Role.php
#	app/Domain/Rules/ApprovedVacationDaysInSameRange.php
#	app/Domain/Rules/DoesNotExceedLimitRule.php
#	app/Domain/Rules/MinimumOneVacationDayRule.php
#	app/Domain/Rules/PendingVacationRequestInSameRange.php
#	app/Domain/Rules/UsedVacationDaysInSameRange.php
#	app/Domain/Rules/VacationRequestRule.php
#	app/Domain/VacationRequestState.php
#	app/Domain/VacationRequestStateManager.php
#	app/Domain/VacationRequestValidator.php
#	app/Domain/VacationType.php
#	app/Domain/VacationTypeConfigRetriever.php
#	app/Eloquent/Models/User.php
#	app/Infrastructure/Http/Controllers/UserController.php
#	app/Infrastructure/Http/Kernel.php
#	app/Infrastructure/Http/Requests/UserRequest.php
#	database/factories/UserFactory.php
#	database/seeders/DatabaseSeeder.php
#	routes/web.php
#	tests/Feature/UserTest.php

app/Domain/Validation/VacationRequestValidator.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Validation;
+
+use Illuminate\Pipeline\Pipeline;
+use Toby\Domain\Validation\Rules\ApprovedVacationDaysInSameRange;
+use Toby\Domain\Validation\Rules\DoesNotExceedLimitRule;
+use Toby\Domain\Validation\Rules\MinimumOneVacationDayRule;
+use Toby\Domain\Validation\Rules\PendingVacationRequestInSameRange;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestValidator
+{
+    protected array $rules = [
+        MinimumOneVacationDayRule::class,
+        DoesNotExceedLimitRule::class,
+        PendingVacationRequestInSameRange::class,
+        ApprovedVacationDaysInSameRange::class,
+    ];
+
+    public function __construct(
+        protected Pipeline $pipeline,
+    ) {
+    }
+
+    public function validate(VacationRequest $vacationRequest): void
+    {
+        $this->pipeline
+            ->send($vacationRequest)
+            ->through($this->rules)
+            ->via("check");
+    }
+}