#20 - wip

app/Helpers/Rules/ApprovedVacationDaysInSameRange.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Helpers\Rules;
+
+use Closure;
+use Toby\Models\VacationRequest;
+
+class ApprovedVacationDaysInSameRange implements VacationRequestRule
+{
+    public function check(VacationRequest $vacationRequest, Closure $next)
+    {
+        return $next($vacationRequest);
+    }
+}

app/Helpers/Rules/DoesNotExceedLimitRule.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Helpers\Rules;
+
+use Closure;
+use Toby\Models\VacationRequest;
+
+class DoesNotExceedLimitRule implements VacationRequestRule
+{
+    public function check(VacationRequest $vacationRequest, Closure $next)
+    {
+        return $next($vacationRequest);
+    }
+}

app/Helpers/Rules/MinimumOneVacationDayRule.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Helpers\Rules;
+
+use Closure;
+use Toby\Models\VacationRequest;
+
+class MinimumOneVacationDayRule implements VacationRequestRule
+{
+    public function check(VacationRequest $vacationRequest, Closure $next)
+    {
+        return $next($vacationRequest);
+    }
+}

app/Helpers/Rules/PendingVacationRequestInSameRange.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Helpers\Rules;
+
+use Closure;
+use Toby\Models\VacationRequest;
+
+class PendingVacationRequestInSameRange implements VacationRequestRule
+{
+    public function check(VacationRequest $vacationRequest, Closure $next)
+    {
+        return $next($vacationRequest);
+    }
+}

app/Helpers/Rules/VacationRequestRule.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Helpers\Rules;
+
+use Closure;
+use Toby\Models\VacationRequest;
+
+interface VacationRequestRule
+{
+    public function check(VacationRequest $vacationRequest, Closure $next);
+}

app/Helpers/VacationRequestStateManager.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Helpers;
+
+use Illuminate\Contracts\Auth\Factory as Auth;
+use Illuminate\Contracts\Events\Dispatcher;
+use Toby\Enums\VacationRequestState;
+use Toby\Events\VacationRequestAcceptedByAdministrative;
+use Toby\Events\VacationRequestAcceptedByTechnical;
+use Toby\Events\VacationRequestApproved;
+use Toby\Events\VacationRequestCreated;
+use Toby\Models\VacationRequest;
+
+class VacationRequestStateManager
+{
+    public function __construct(
+        protected Auth $auth,
+        protected Dispatcher $dispatcher,
+    ) {
+    }
+
+    public function markAsCreated(VacationRequest $vacationRequest): void
+    {
+        $this->changeState($vacationRequest, VacationRequestState::CREATED);
+
+        $this->dispatcher->dispatch(new VacationRequestCreated($vacationRequest));
+    }
+
+    public function approve(VacationRequest $vacationRequest): void
+    {
+        $this->changeState($vacationRequest, VacationRequestState::APPROVED);
+
+        $this->dispatcher->dispatch(new VacationRequestApproved($vacationRequest));
+    }
+
+    public function reject(VacationRequest $vacationRequest): void
+    {
+        $this->changeState($vacationRequest, VacationRequestState::REJECTED);
+    }
+
+    public function cancel(VacationRequest $vacationRequest): void
+    {
+        $this->changeState($vacationRequest, VacationRequestState::CANCELED);
+    }
+
+    public function acceptAsTechnical(VacationRequest $vacationRequest): void
+    {
+        $this->changeState($vacationRequest, VacationRequestState::ACCEPTED_BY_TECHNICAL);
+
+        $this->dispatcher->dispatch(new VacationRequestAcceptedByTechnical($vacationRequest));
+    }
+
+    public function acceptAsAdministrative(VacationRequest $vacationRequest): void
+    {
+        $this->changeState($vacationRequest, VacationRequestState::ACCEPTED_BY_ADMINSTRATIVE);
+
+        $this->dispatcher->dispatch(new VacationRequestAcceptedByAdministrative($vacationRequest));
+    }
+
+    public function waitForTechnical(VacationRequest $vacationRequest): void
+    {
+        $this->changeState($vacationRequest, VacationRequestState::WAITING_FOR_TECHNICAL);
+    }
+
+    public function waitForAdministrative(VacationRequest $vacationRequest): void
+    {
+        $this->changeState($vacationRequest, VacationRequestState::WAITING_FOR_ADMINISTRATIVE);
+    }
+
+    protected function changeState(VacationRequest $vacationRequest, VacationRequestState $state): void
+    {
+        $vacationRequest->changeStateTo($state);
+    }
+}

app/Helpers/VacationRequestValidator.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Helpers;
+
+use Illuminate\Pipeline\Pipeline;
+use Toby\Helpers\Rules\ApprovedVacationDaysInSameRange;
+use Toby\Helpers\Rules\DoesNotExceedLimitRule;
+use Toby\Helpers\Rules\MinimumOneVacationDayRule;
+use Toby\Helpers\Rules\PendingVacationRequestInSameRange;
+use Toby\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");
+    }
+}

app/Helpers/VacationTypeConfigRetriever.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Helpers;
+
+use Illuminate\Contracts\Config\Repository;
+use Toby\Enums\VacationType;
+
+class VacationTypeConfigRetriever
+{
+    public const KEY_TECHNICAL_APPROVAL = "technical_approval";
+    public const KEY_ADMINISTRATIVE_APPROVAL = "administrative_approval";
+    public const KEY_BILLABLE = "billable";
+    public const KEY_HAS_LIMIT = "has_limit";
+
+    public function __construct(
+        protected Repository $config,
+    ) {
+    }
+
+    public function needsTechnicalApproval(VacationType $type): bool
+    {
+        return $this->getConfigFor($type)[static::KEY_TECHNICAL_APPROVAL];
+    }
+
+    public function needsAdministrativeApproval(VacationType $type): bool
+    {
+        return $this->getConfigFor($type)[static::KEY_ADMINISTRATIVE_APPROVAL];
+    }
+
+    public function isBillable(VacationType $type): bool
+    {
+        return $this->getConfigFor($type)[static::KEY_BILLABLE];
+    }
+
+    public function hasLimit(VacationType $type): bool
+    {
+        return $this->getConfigFor($type)[static::KEY_HAS_LIMIT];
+    }
+
+    protected function getConfigFor(VacationType $type): array
+    {
+        return $this->config->get("vacation_types.{$type->value}");
+    }
+}