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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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protected $exceptKeys = []; |
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/** @var array */ |
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protected $onlyKeys = []; |
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/** @var Property[] | array */ |
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protected $properties = []; |
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/** |
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* @param array $parameters |
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* |
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* @return \Spatie\DataTransferObject\ImmutableDataTransferObject|static |
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*/ |
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public static function immutable(array $parameters): ImmutableDataTransferObject |
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{ |
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return new ImmutableDataTransferObject(new static($parameters)); |
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} |
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public function __construct(array $parameters) |
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{ |
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$class = new ReflectionClass(static::class); |
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$properties = $this->getPublicProperties($class); |
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foreach ($properties as $property) { |
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$property->setDefault($property->getValue($this)); |
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$method = $property->getName(); |
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if (method_exists($this, $method)) { |
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$factory = new Attribute($property); |
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$property = $this->$method($factory)->getProperty(); |
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} |
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$default = $property->getDefault(); |
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if ( |
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!isset($parameters[$property->getName()]) |
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&& !isset($default) |
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&& !$property->isNullable() |
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&& $property->isRequired() |
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) { |
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throw DataTransferObjectError::uninitialized($property); |
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} |
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if (array_key_exists($property->getName(), $parameters)) { |
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$property->set($parameters[$property->getName()]); |
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} else { |
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$property->setUninitialized(); |
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} |
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$this->properties[$property->getName()] = $property; |
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unset($parameters[$property->getName()]); |
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unset($this->{$property->getName()}); |
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} |
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if (count($parameters)) { |
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throw DataTransferObjectError::unknownProperties(array_keys($parameters), $class->getName()); |
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} |
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} |
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public function all(): array |
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{ |
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$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 $data; |
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} |
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public function __set($name, $value) |
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{ |
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throw DataTransferObjectError::immutable($name); |
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} |
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public function __get($name) |
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{ |
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$properties = $this->properties[$name]; |
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$value = $properties->getActualValue(); |
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return $value; |
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} |
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/** |
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* @param string ...$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 $properties; |
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} |
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protected function propertyIsOptional($property) |
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{ |
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$isOptionalMethod = $property->getName() . "IsOptional"; |
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return method_exists($this, $isOptionalMethod) && is_bool($this->$isOptionalMethod()) ? $this->$isOptionalMethod() : false; |
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} |
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} |
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spatie /
data-transfer-object
