86 lines
2.4 KiB
PHP
86 lines
2.4 KiB
PHP
<?php
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namespace App\Element\UseCases\CreateElement;
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use App\Element\CreateElementDto;
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use App\Element\Element;
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use App\Element\ElementRepository;
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use App\Exceptions\BadRequestException;
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use App\Set\Set as DomainSet;
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use App\Set\SetRepository;
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use DomainException;
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class CreateElement
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{
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public function __construct(
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private ElementRepository $elementRepo,
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private SetRepository $setRepo,
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) {
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}
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/**
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* @throws BadRequestException
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* @throws DomainException
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*/
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public function execute(CreateElementRequest $request): Element
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{
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if ($request->setId === null) {
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throw new BadRequestException('setId is required');
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}
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if ($request->title === null || $request->title === '') {
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throw new BadRequestException('title is required');
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}
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$set = $this->setRepo->find($request->setId);
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if ($set === null) {
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throw new DomainException(
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"Set with id: {$request->setId} doesnt exist"
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);
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}
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if ($request->parentElementId === null) {
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$this->validateNoRootElementExists($set);
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return $this->elementRepo->create(new CreateElementDto(
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set: $set,
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title: $request->title,
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parentElement: null,
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));
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}
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$parentElement = $this->elementRepo->find(
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$request->parentElementId
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);
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if ($parentElement === null) {
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throw new DomainException(
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"Element with id: {$request->parentElementId} doesnt exist"
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);
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}
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if ($parentElement->getSet()->getId() !== $set->getId()) {
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throw new DomainException(
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'Parent element must belong to the same set'
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);
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}
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return $this->elementRepo->create(new CreateElementDto(
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set: $set,
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title: $request->title,
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parentElement: $parentElement,
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));
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}
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/**
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* @throws DomainException
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*/
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private function validateNoRootElementExists(DomainSet $set): void
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{
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$elements = $this->elementRepo->findBySet($set);
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foreach ($elements as $element) {
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if ($element->getParentElement() === null) {
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throw new DomainException(
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'A root element already exists for this set'
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);
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}
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}
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}
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}
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