DiscriminatorMapExtractor::extract()   A
last analyzed

Complexity

Conditions 2
Paths 2

Size

Total Lines 10
Code Lines 6

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 6
CRAP Score 2

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 2
eloc 6
c 1
b 0
f 0
nc 2
nop 2
dl 0
loc 10
rs 10
ccs 6
cts 6
cp 1
crap 2
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<?php
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declare(strict_types=1);
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namespace FRZB\Component\RequestMapper\Extractor;
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use FRZB\Component\DependencyInjection\Attribute\AsService;
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use FRZB\Component\RequestMapper\Exception\ClassExtractorException;
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use FRZB\Component\RequestMapper\Helper\ClassHelper;
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use Symfony\Component\Serializer\Annotation\DiscriminatorMap;
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#[AsService]
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class DiscriminatorMapExtractor
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{
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    /** @throws ClassExtractorException */
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    public function extract(string $className, array $payload): string
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    {
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        if ($discriminatorMap = ClassHelper::getAttribute($className, DiscriminatorMap::class)) {
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            $property = $discriminatorMap->getTypeProperty();
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            $mapping = $discriminatorMap->getMapping();
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            $parameter = $payload[$property] ?? throw ClassExtractorException::fromDiscriminatorMapWhenParameterIsNull($discriminatorMap);
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            $className = $mapping[$parameter] ?? throw ClassExtractorException::fromDiscriminatorMapWhenParameterInvalid($discriminatorMap);
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        }
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        return $className;
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    }
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}
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