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<?php |
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declare(strict_types=1); |
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namespace Spatie\DataTransferObject; |
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use ReflectionClass; |
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use ReflectionProperty; |
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abstract class DataTransferObject |
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{ |
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/** @var array */ |
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private $propertyValues = []; |
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/** @var \Spatie\DataTransferObject\Property[] */ |
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private $propertyDefinitions = []; |
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/** @var array */ |
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protected $exceptKeys = []; |
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/** @var array */ |
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protected $onlyKeys = []; |
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public function __construct(array $inputParameters) |
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{ |
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$class = new ReflectionClass(static::class); |
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$properties = $this->getPublicProperties($class); |
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foreach ($properties as $property) { |
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$propertyName = $property->getName(); |
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if ( |
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! isset($inputParameters[$propertyName]) |
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&& ! $property->isDefault() |
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&& ! $property->isNullable() |
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) { |
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throw DataTransferObjectError::uninitialized($property); |
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} |
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$value = $inputParameters[$propertyName] ?? $property->getValue($this); |
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if ($property->isImmutable()) { |
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$this->makeImmutable($property); |
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} |
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unset($inputParameters[$propertyName]); |
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$property->set($value); |
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} |
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if (count($inputParameters)) { |
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throw DataTransferObjectError::unknownProperties(array_keys($inputParameters), $class->getName()); |
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} |
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} |
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public function __get($name) |
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{ |
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if (! array_key_exists($name, $this->propertyValues)) { |
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throw DataTransferObjectError::fieldNotFound($name); |
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} |
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return $this->propertyValues[$name] ?? $this->{$name}; |
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} |
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public function __set($name, $value) |
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{ |
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if (! array_key_exists($name, $this->propertyDefinitions)) { |
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throw DataTransferObjectError::fieldNotFound($name); |
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} |
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if ( |
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$this->propertyDefinitions[$name]->isInitialised() |
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&& $this->propertyDefinitions[$name]->isImmutable() |
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) { |
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throw DataTransferObjectError::immutable($name); |
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} |
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$this->propertyValues[$name] = $value; |
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} |
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public function all(): array |
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{ |
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$data = []; |
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$class = new ReflectionClass(static::class); |
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$properties = $class->getProperties(ReflectionProperty::IS_PUBLIC); |
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foreach ($properties as $reflectionProperty) { |
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$data[$reflectionProperty->getName()] = $reflectionProperty->getValue($this); |
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} |
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return $data; |
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} |
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/** |
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* @param string ...$keys |
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* |
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* @return static |
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*/ |
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public function only(string ...$keys): DataTransferObject |
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{ |
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$valueObject = clone $this; |
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$valueObject->onlyKeys = array_merge($this->onlyKeys, $keys); |
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return $valueObject; |
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} |
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/** |
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* @param string ...$keys |
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* |
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* @return static |
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*/ |
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public function except(string ...$keys): DataTransferObject |
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{ |
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$valueObject = clone $this; |
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$valueObject->exceptKeys = array_merge($this->exceptKeys, $keys); |
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return $valueObject; |
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} |
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public function toArray(): array |
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{ |
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if (count($this->onlyKeys)) { |
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$array = Arr::only($this->all(), $this->onlyKeys); |
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} else { |
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$array = Arr::except($this->all(), $this->exceptKeys); |
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} |
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$array = $this->parseArray($array); |
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return $array; |
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} |
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protected function parseArray(array $array): array |
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{ |
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foreach ($array as $key => $value) { |
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if ( |
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$value instanceof DataTransferObject |
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|| $value instanceof DataTransferObjectCollection |
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) { |
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$array[$key] = $value->toArray(); |
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continue; |
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} |
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if (! is_array($value)) { |
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continue; |
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} |
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$array[$key] = $this->parseArray($value); |
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} |
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return $array; |
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} |
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/** |
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* @param \ReflectionClass $class |
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* |
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* @return array|\Spatie\DataTransferObject\Property[] |
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*/ |
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protected function getPublicProperties(ReflectionClass $class): array |
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{ |
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$properties = []; |
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foreach ($class->getProperties(ReflectionProperty::IS_PUBLIC) as $reflectionProperty) { |
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$properties[$reflectionProperty->getName()] = Property::fromReflection($this, $reflectionProperty); |
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} |
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return $properties; |
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} |
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private function makeImmutable(Property $property): DataTransferObject |
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{ |
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$propertyName = $property->getName(); |
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$value = $this->{$propertyName}; |
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$property->markImmutable(); |
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unset($this->{$propertyName}); |
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$this->propertyValues[$propertyName] = $value; |
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$this->propertyDefinitions[$propertyName] = $property; |
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return $this; |
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} |
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} |
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spatie /
data-transfer-object
