M3: Reorder + Inspiration – Schritt 1 (Logik): Reorder-UseCase, Inspiration-Query (ADR-006), Adopt-UseCase + Unit-Tests
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<?php
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declare(strict_types=1);
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namespace App\Logic\Essen\UseCase;
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use App\Logic\Common\ClockInterface;
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use App\Logic\Common\EventDispatcherInterface;
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use App\Logic\Common\TransactionManagerInterface;
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use App\Logic\Essen\Dto\MahlzeitCreateRequest;
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use App\Logic\Essen\Dto\MahlzeitResponse;
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use App\Logic\Essen\Event\MahlzeitAdoptedEvent;
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use App\Logic\Essen\Manager\MahlzeitManagerInterface;
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use App\Logic\Essen\Mapping\MahlzeitFactory;
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/**
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* Use-Case: ein Gericht (z. B. aus dem Archiv) per 1-Klick als NEUEN
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* `geplant`-Eintrag übernehmen (Kopie – `gegessenAm` bleibt leer, neue ID,
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* am Ende der Planungsliste angehängt).
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*
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* Wirft `MahlzeitNotFoundException` (→ 404), wenn die Quelle unbekannt ist.
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*/
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final readonly class MahlzeitAdoptUseCase
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{
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public function __construct(
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private TransactionManagerInterface $tx,
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private MahlzeitManagerInterface $mahlzeiten,
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private MahlzeitFactory $factory,
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private EventDispatcherInterface $events,
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private ClockInterface $clock,
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) {
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}
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public function execute(int $quellId): MahlzeitResponse
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{
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$quelle = $this->mahlzeiten->find($quellId);
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$req = new MahlzeitCreateRequest(
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name: $quelle->name,
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notiz: $quelle->notiz,
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wochentage: $quelle->wochentage,
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);
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$mahlzeit = $this->factory->createFromCreateRequest($req, $this->clock->now());
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$gespeichert = $this->tx->execute(fn () => $this->mahlzeiten->create($mahlzeit));
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$this->events->dispatch(new MahlzeitAdoptedEvent(id: $gespeichert->id, name: $gespeichert->name, quellId: $quellId));
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return MahlzeitResponse::fromModel($gespeichert);
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}
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}
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