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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 ReflectionProperty; |
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class DataTransferObjectProperty extends ReflectionProperty |
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{ |
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/** @var array */ |
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protected static $typeMapping = [ |
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'int' => 'integer', |
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'bool' => 'boolean', |
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]; |
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/** @var \Spatie\DataTransferObject\DataTransferObject */ |
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protected $dataTransferObject; |
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/** @var bool */ |
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protected $hasTypeDeclaration = false; |
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/** @var bool */ |
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protected $isNullable = false; |
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/** @var bool */ |
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protected $isInitialised = false; |
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/** @var array */ |
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protected $types = []; |
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/** @var \Spatie\DataTransferObject\DataTransferObjectDefinition */ |
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protected $dataTransferObjectDefinition; |
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public static function fromReflection( |
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DataTransferObject $dataTransferObject, |
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DataTransferObjectDefinition $dataTransferObjectDefinition, |
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ReflectionProperty $reflectionProperty |
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) { |
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return new self($dataTransferObject, $dataTransferObjectDefinition, $reflectionProperty); |
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} |
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public function __construct( |
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DataTransferObject $dataTransferObject, |
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DataTransferObjectDefinition $dataTransferObjectDefinition, |
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ReflectionProperty $reflectionProperty |
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) { |
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parent::__construct($reflectionProperty->class, $reflectionProperty->getName()); |
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$this->dataTransferObject = $dataTransferObject; |
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$this->dataTransferObjectDefinition = $dataTransferObjectDefinition; |
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$this->resolveTypeDefinition(); |
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} |
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public function set($value) |
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{ |
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if (is_array($value)) { |
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$value = $this->cast($value); |
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} |
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if (! $this->isValidType($value)) { |
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throw DataTransferObjectError::invalidType($this, $value); |
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} |
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$this->isInitialised = true; |
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$this->dataTransferObject->{$this->getName()} = $value; |
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} |
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public function getTypes(): array |
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{ |
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return $this->types; |
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} |
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public function getFqn(): string |
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{ |
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return "{$this->getDeclaringClass()->getName()}::{$this->getName()}"; |
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} |
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public function isNullable(): bool |
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{ |
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return $this->isNullable; |
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} |
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protected function resolveTypeDefinition() |
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{ |
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$docComment = $this->getDocComment(); |
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if (! $docComment) { |
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$this->isNullable = true; |
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return; |
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} |
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preg_match('/\@var ((?:(?:[\w|\\\\])+(?:\[\])?)+)/', $docComment, $matches); |
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if (! count($matches)) { |
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$this->isNullable = true; |
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return; |
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} |
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$varDocComment = end($matches); |
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$this->types = explode('|', $varDocComment); |
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$this->isNullable = strpos($varDocComment, 'null') !== false; |
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$this->hasTypeDeclaration = true; |
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} |
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protected function isValidType($value): bool |
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{ |
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if (! $this->hasTypeDeclaration) { |
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return true; |
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} |
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if ($this->isNullable && $value === null) { |
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return true; |
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} |
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foreach ($this->types as $currentType) { |
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$isValidType = $this->assertTypeEquals($currentType, $value); |
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if ($isValidType) { |
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return true; |
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} |
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} |
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return false; |
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} |
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protected function cast($value) |
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{ |
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$castTo = null; |
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foreach ($this->types as $type) { |
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if (! is_subclass_of($type, DataTransferObject::class)) { |
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continue; |
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} |
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$castTo = $type; |
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break; |
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} |
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if (! $castTo) { |
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return $value; |
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} |
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return new $castTo($value); |
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} |
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protected function assertTypeEquals(string $type, $value): bool |
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{ |
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if (strpos($type, '[]') !== false) { |
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return $this->isValidGenericCollection($type, $value); |
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} |
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if ($type === 'mixed' && $value !== null) { |
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return true; |
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} |
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if ($this->dataTransferObjectDefinition->hasAlias($type)) { |
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$type = $this->dataTransferObjectDefinition->resolveAlias($type); |
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return $value instanceof $type; |
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} |
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return $value instanceof $type |
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|| gettype($value) === (self::$typeMapping[$type] ?? $type); |
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} |
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protected function isValidGenericCollection(string $type, $collection): bool |
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{ |
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if (! is_array($collection)) { |
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return false; |
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} |
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$valueType = str_replace('[]', '', $type); |
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foreach ($collection as $value) { |
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if (! $this->assertTypeEquals($valueType, $value)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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} |
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spatie /
data-transfer-object
