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<?php |
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namespace W2w\Lib\Apie; |
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use ReflectionException; |
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use ReflectionMethod; |
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use ReflectionProperty; |
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use Symfony\Component\PropertyAccess\PropertyAccessor; |
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/** |
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* Extracts the identifier from a resource. |
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*/ |
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class IdentifierExtractor |
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{ |
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private $propertyAccessor; |
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public function __construct(PropertyAccessor $propertyAccessor) |
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{ |
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$this->propertyAccessor = $propertyAccessor; |
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} |
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/** |
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* Determines the identifier from a class without having an instance of the class. |
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* |
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* @param string $className |
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* @param array $context |
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* @return string|null |
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*/ |
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public function getIdentifierKeyOfClass(string $className, array $context = []): ?string |
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{ |
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if (!empty($context['identifier'])) { |
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return $context['identifier']; |
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} |
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$todo = [ |
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[ReflectionMethod::class, 'getId', 'id'], |
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[ReflectionMethod::class, 'id', 'id'], |
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[ReflectionProperty::class, 'id', 'id'], |
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[ReflectionMethod::class, 'getUuid', 'uuid'], |
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[ReflectionMethod::class, 'uuid', 'uuid'], |
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[ReflectionProperty::class, 'uuid', 'uuid'], |
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]; |
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while (!empty($todo)) { |
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list($reflectionClass, $property, $result) = array_shift($todo); |
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try { |
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/** @var ReflectionProperty|ReflectionMethod $test */ |
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$test = new $reflectionClass($className, $property); |
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if ($test->isPublic()) { |
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return $result; |
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} |
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} catch (ReflectionException $e) { |
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$e->getMessage();//ignore |
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} |
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} |
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return null; |
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} |
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/** |
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* Returns the name of the identifier of a resource. If it could not be determined, |
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* it returns null. |
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* |
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* @param mixed $resource |
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* @param array $context |
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* @return string|null |
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*/ |
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public function getIdentifierKey($resource, array $context = []): ?string |
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{ |
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if (isset($context['identifier'])) { |
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return $context['identifier']; |
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} |
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foreach (['id', 'uuid'] as $id) { |
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if ($this->propertyAccessor->isReadable($resource, $id)) { |
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return $id; |
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} |
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} |
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return null; |
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} |
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/** |
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* Return the value of the identifer of a resource. |
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* |
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* @param mixed $resource |
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* @param array $context |
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* @return mixed|null |
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*/ |
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public function getIdentifierValue($resource, array $context = []) |
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{ |
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$key = $this->getIdentifierKey($resource, $context); |
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if (empty($key)) { |
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return null; |
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} |
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return $this->propertyAccessor->getValue($resource, $key); |
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} |
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} |
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pjordaan /
apie
