mirror of
https://github.com/Part-DB/Part-DB-server.git
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114 lines
4 KiB
PHP
114 lines
4 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
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*
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* Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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namespace App\Validator\Constraints;
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use App\Validator\UniqueValidatableInterface;
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use Symfony\Component\Validator\Constraint;
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use Symfony\Component\Validator\ConstraintValidator;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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use Symfony\Component\Validator\Exception\UnexpectedValueException;
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/**
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* @see \App\Tests\Validator\Constraints\UniqueObjectCollectionValidatorTest
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*/
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class UniqueObjectCollectionValidator extends ConstraintValidator
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{
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public function validate(mixed $value, Constraint $constraint): void
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{
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if (!$constraint instanceof UniqueObjectCollection) {
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throw new UnexpectedTypeException($constraint, UniqueObjectCollection::class);
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}
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$fields = (array) $constraint->fields;
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if (null === $value) {
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return;
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}
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if (!\is_array($value) && !$value instanceof \IteratorAggregate) {
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throw new UnexpectedValueException($value, 'array|IteratorAggregate');
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}
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$collectionElements = [];
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$normalizer = $this->getNormalizer($constraint);
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foreach ($value as $key => $object) {
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if (!$object instanceof UniqueValidatableInterface) {
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throw new UnexpectedValueException($object, UniqueValidatableInterface::class);
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}
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//Convert the object to an array using the helper function
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$element = $object->getComparableFields();
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if ($fields && !$element = $this->reduceElementKeys($fields, $element, $constraint)) {
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continue;
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}
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$element = $normalizer($element);
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if (\in_array($element, $collectionElements, true)) {
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$violation = $this->context->buildViolation($constraint->message);
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//Use the first supplied field as the target field, or the first defined field name of the element if none is supplied
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$target_field = $constraint->fields[0] ?? array_keys($element)[0];
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$violation->atPath('[' . $key . ']' . '.' . $target_field);
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$violation->setParameter('{{ object }}', $this->formatValue($object, ConstraintValidator::OBJECT_TO_STRING))
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->setCode(UniqueObjectCollection::IS_NOT_UNIQUE)
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->addViolation();
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return;
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}
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$collectionElements[] = $element;
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}
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}
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private function getNormalizer(UniqueObjectCollection $unique): callable
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{
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return $unique->normalizer ?? static fn($value) => $value;
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}
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private function reduceElementKeys(array $fields, array $element, UniqueObjectCollection $constraint): array
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{
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$output = [];
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foreach ($fields as $field) {
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if (!\is_string($field)) {
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throw new UnexpectedTypeException($field, 'string');
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}
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if (\array_key_exists($field, $element)) {
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//Ignore null values if specified
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if ($element[$field] === null && $constraint->allowNull) {
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continue;
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}
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$output[$field] = $element[$field];
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}
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}
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return $output;
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}
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}
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