getArgumentDescription()   B
last analyzed

Complexity

Conditions 7
Paths 4

Size

Total Lines 16
Code Lines 8

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 9
CRAP Score 7

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 7
eloc 8
c 1
b 0
f 0
nc 4
nop 2
dl 0
loc 16
ccs 9
cts 9
cp 1
crap 7
rs 8.8333
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<?php
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declare(strict_types=1);
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namespace Andi\GraphQL\ArgumentResolver\Middleware;
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use Andi\GraphQL\ArgumentResolver\ArgumentResolverInterface;
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use Andi\GraphQL\Attribute\Argument;
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use Andi\GraphQL\Common\LazyParserType;
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use Andi\GraphQL\Common\LazyTypeByReflectionParameter;
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use Andi\GraphQL\Exception\CantResolveGraphQLTypeException;
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use Andi\GraphQL\TypeRegistryInterface;
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use phpDocumentor\Reflection\DocBlock\Tags\Param;
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use phpDocumentor\Reflection\DocBlockFactory;
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use ReflectionParameter;
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use Spiral\Attributes\ReaderInterface;
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final class ReflectionParameterMiddleware implements MiddlewareInterface
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{
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    public const PRIORITY = 3072;
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    public function __construct(
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        private readonly ReaderInterface $reader,
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        private readonly TypeRegistryInterface $typeRegistry,
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    ) {
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    }
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    public function process(mixed $argument, ArgumentResolverInterface $argumentResolver): array
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    {
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        if (! $argument instanceof ReflectionParameter) {
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            return $argumentResolver->resolve($argument);
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        }
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        $attribute = $this->reader->firstParameterMetadata($argument, Argument::class);
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        $config = [
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            'name' => $this->getArgumentName($argument, $attribute),
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            'description' => $this->getArgumentDescription($argument, $attribute),
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            'type' => $this->getArgumentType($argument, $attribute),
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            'deprecationReason' => $this->getArgumentDeprecationReason($argument, $attribute),
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        ];
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        if ($this->hasDefaultValue($argument, $attribute)) {
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            $config['defaultValue'] = $this->getArgumentDefaultValue($argument, $attribute);
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        }
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        return $config;
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    }
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    private function getArgumentName(ReflectionParameter $parameter, ?Argument $attribute): string
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    {
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        return $attribute?->name
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            ?? $parameter->getName();
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    }
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    /**
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     * @param ReflectionParameter $parameter
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     * @param Argument|null $attribute
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     *
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     * @return string|null
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     */
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    private function getArgumentDescription(ReflectionParameter $parameter, ?Argument $attribute): ?string
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    {
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        if ($attribute?->description) {
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            return $attribute->description;
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        }
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        if ($docComment = $parameter->getDeclaringFunction()->getDocComment()) {
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            $docBlock = DocBlockFactory::createInstance(['psalm-param' => Param::class])->create($docComment);
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            foreach ($docBlock->getTags() as $tag) {
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                if ($tag instanceof Param && $tag->getVariableName() === $parameter->getName()) {
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                    return (string) $tag->getDescription() ?: null;
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                }
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            }
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        }
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        return null;
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    }
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    private function getArgumentType(ReflectionParameter $parameter, ?Argument $attribute): callable
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    {
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        if ($attribute?->type) {
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            return new LazyParserType($attribute->type, $attribute->mode ?? 0, $this->typeRegistry);
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        }
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        if (! $parameter->hasType()) {
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            throw new CantResolveGraphQLTypeException(\sprintf(
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                'Can\'t resolve GraphQL type for argument "%s"',
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                $parameter->getName()
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            ));
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        }
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        return new LazyTypeByReflectionParameter($parameter, $this->typeRegistry);
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    }
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    /**
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     * @param ReflectionParameter $parameter
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     * @param Argument|null $attribute
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     *
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     * @return string|null
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     */
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    private function getArgumentDeprecationReason(ReflectionParameter $parameter, ?Argument $attribute): ?string
0 ignored issues
show
Unused Code introduced by
The parameter $parameter is not used and could be removed. ( Ignorable by Annotation )

If this is a false-positive, you can also ignore this issue in your code via the ignore-unused  annotation

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    private function getArgumentDeprecationReason(/** @scrutinizer ignore-unused */ ReflectionParameter $parameter, ?Argument $attribute): ?string

This check looks for parameters that have been defined for a function or method, but which are not used in the method body.

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    {
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        return $attribute?->deprecationReason;
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    }
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    private function hasDefaultValue(ReflectionParameter $parameter, ?Argument $attribute): bool
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    {
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        return $attribute?->hasDefaultValue() || $parameter->isDefaultValueAvailable();
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    }
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    private function getArgumentDefaultValue(ReflectionParameter $parameter, ?Argument $attribute): mixed
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    {
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        if ($attribute?->hasDefaultValue()) {
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            return $attribute->defaultValue;
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        }
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        return $parameter->getDefaultValue();
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    }
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}
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