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<?php |
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declare(strict_types=1); |
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namespace BEAR\Resource\Options; |
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use BEAR\Resource\Input\InputAttributeIterator; |
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use ReflectionClass; |
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use ReflectionMethod; |
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use ReflectionNamedType; |
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use ReflectionParameter; |
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use function array_merge; |
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use function assert; |
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use function class_exists; |
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use function in_array; |
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/** |
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* Extracts metadata from Input attribute parameters |
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*/ |
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final class InputParamMeta implements InputParamMetaInterface |
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{ |
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private InputAttributeIterator $inputIterator; |
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private OptionsMethodDocBolck $docBlock; |
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private OptionsMethodRequest $methodRequest; |
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public function __construct() |
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{ |
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$this->inputIterator = new InputAttributeIterator(); |
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$this->docBlock = new OptionsMethodDocBolck(); |
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$this->methodRequest = new OptionsMethodRequest(); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function get(ReflectionMethod $method): array |
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{ |
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if (! $this->inputIterator->hasInputParameters($method)) { |
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return []; |
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} |
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[, $methodParamDocs] = ($this->docBlock)($method); |
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$allParameters = []; |
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$allRequired = []; |
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foreach (($this->inputIterator)($method) as $paramName => $param) { |
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$type = $param->getType(); |
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assert($type instanceof ReflectionNamedType); |
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$className = $type->getName(); |
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assert(class_exists($className)); |
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$groupDescription = $methodParamDocs[$paramName]['description'] ?? null; |
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[$flatParams, $required] = $this->flattenInputClass( |
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$className, |
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$paramName, |
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$groupDescription, |
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); |
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$allParameters = array_merge($allParameters, $flatParams); |
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$allRequired = array_merge($allRequired, $required); |
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} |
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$result = []; |
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if (! empty($allParameters)) { |
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$result['parameters'] = $allParameters; |
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} |
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if (! empty($allRequired)) { |
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$result['required'] = $allRequired; |
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} |
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return $result; |
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} |
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/** |
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* Flatten Input class into query parameters |
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* |
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* @param class-string $className |
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* |
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* @return array{0: array<string, array<string, mixed>>, 1: array<int, string>} |
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*/ |
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private function flattenInputClass( |
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string $className, |
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string $group, |
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string|null $groupDescription, |
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): array { |
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$refClass = new ReflectionClass($className); |
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$constructor = $refClass->getConstructor(); |
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assert($constructor instanceof ReflectionMethod, 'Input class must have a constructor'); |
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// Use OptionsMethodRequest to handle parameter processing |
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[, $constructorParamDocs] = ($this->docBlock)($constructor); |
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$paramMeta = ($this->methodRequest)($constructor, $constructorParamDocs, []); |
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$parameters = $paramMeta['parameters'] ?? []; |
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$required = $paramMeta['required'] ?? []; |
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// Separate regular parameters and nested Input parameters |
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$finalParameters = []; |
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$finalRequired = []; |
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foreach ($constructor->getParameters() as $param) { |
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$paramName = $param->getName(); |
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if ($this->isNestedInputParameter($param)) { |
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$nestedDescription = $constructorParamDocs[$paramName]['description'] ?? null; |
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[$nestedParams, $nestedRequired] = $this->processNestedParameter( |
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$param, |
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$nestedDescription, |
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); |
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$finalParameters = array_merge($finalParameters, $nestedParams); |
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$finalRequired = array_merge($finalRequired, $nestedRequired); |
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} elseif (isset($parameters[$paramName])) { |
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// Add group information to regular parameters |
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$parameters[$paramName]['group'] = $group; |
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if ($groupDescription) { |
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$parameters[$paramName]['group_description'] = $groupDescription; |
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} |
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$finalParameters[$paramName] = $parameters[$paramName]; |
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if (in_array($paramName, $required, true)) { |
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$finalRequired[] = $paramName; |
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} |
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} |
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} |
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return [$finalParameters, $finalRequired]; |
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} |
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private function isNestedInputParameter(ReflectionParameter $param): bool |
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{ |
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return $this->inputIterator->getInputAttribute($param) !== null; |
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} |
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/** @return array{0: array<string, array<string, mixed>>, 1: array<int, string>} */ |
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private function processNestedParameter( |
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ReflectionParameter $param, |
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string|null $nestedDescription, |
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): array { |
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$type = $param->getType(); |
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assert($type instanceof ReflectionNamedType && class_exists($type->getName())); |
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return $this->flattenInputClass( |
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$type->getName(), |
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$param->getName(), |
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$nestedDescription, |
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); |
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} |
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} |
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bearsunday /
BEAR.Resource
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