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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Validator\DataSet; |
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use JetBrains\PhpStorm\ArrayShape; |
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use JetBrains\PhpStorm\ExpectedValues; |
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use ReflectionAttribute; |
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use ReflectionObject; |
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use ReflectionProperty; |
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use stdClass; |
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use Yiisoft\Validator\AttributeEventInterface; |
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use Yiisoft\Validator\DataSetInterface; |
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use Yiisoft\Validator\RuleInterface; |
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use Yiisoft\Validator\RulesProviderInterface; |
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use function array_key_exists; |
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/** |
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* This data set makes use of attributes introduced in PHP 8. It simplifies rules configuration process, especially for |
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* nested data and relations. Please refer to the guide for examples. |
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* |
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* @link https://www.php.net/manual/en/language.attributes.overview.php |
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*/ |
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final class ObjectDataSet implements RulesProviderInterface, DataSetInterface |
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{ |
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private bool $dataSetProvided; |
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private bool $rulesProvided; |
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#[ArrayShape([ |
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[ |
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'rules' => 'iterable', |
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'reflectionAttributes' => 'array', |
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], |
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])] |
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private static array $cache = []; |
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private string|null $cacheKey = null; |
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public function __construct( |
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private object $object, |
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private int $propertyVisibility = ReflectionProperty::IS_PRIVATE | |
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ReflectionProperty::IS_PROTECTED | |
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ReflectionProperty::IS_PUBLIC |
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) { |
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$this->dataSetProvided = $this->object instanceof DataSetInterface; |
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$this->rulesProvided = $this->object instanceof RulesProviderInterface; |
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if ($this->canCache()) { |
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$this->cacheKey = $this->object::class . '_' . $this->propertyVisibility; |
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} |
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} |
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public function getRules(): iterable |
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{ |
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if ($this->rulesProvided) { |
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return $this->object->getRules(); |
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} |
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// Providing data set assumes object has its own attributes and rules getting logic. So further parsing of |
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// Reflection properties and rules is skipped intentionally. |
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if ($this->dataSetProvided) { |
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return []; |
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} |
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if ($this->hasCacheItem('rules')) { |
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return $this->getCacheItem('rules'); |
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} |
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$rules = []; |
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foreach ($this->getReflectionProperties() as $property) { |
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// TODO: use Generator to collect attributes. |
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$attributes = $property->getAttributes(RuleInterface::class, ReflectionAttribute::IS_INSTANCEOF); |
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foreach ($attributes as $attribute) { |
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$rule = $attribute->newInstance(); |
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$rules[$property->getName()][] = $rule; |
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if ($rule instanceof AttributeEventInterface) { |
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$rule->afterInitAttribute($this); |
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} |
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} |
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} |
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if ($this->canCache()) { |
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$this->setCacheItem('rules', $rules); |
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} |
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return $rules; |
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} |
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private function getReflectionProperties(): array |
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{ |
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if ($this->hasCacheItem('reflectionProperties')) { |
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return $this->getCacheItem('reflectionProperties'); |
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} |
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$reflection = new ReflectionObject($this->object); |
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$reflectionProperties = []; |
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foreach ($reflection->getProperties($this->propertyVisibility) as $property) { |
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if (PHP_VERSION_ID < 80100) { |
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$property->setAccessible(true); |
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} |
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$reflectionProperties[$property->getName()] = $property; |
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} |
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if ($this->canCache()) { |
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$this->setCacheItem('reflectionProperties', $reflectionProperties); |
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} |
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return $reflectionProperties; |
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} |
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public function getObject(): object |
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{ |
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return $this->object; |
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} |
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public function getAttributeValue(string $attribute): mixed |
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{ |
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if ($this->dataSetProvided) { |
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return $this->object->getAttributeValue($attribute); |
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} |
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return $this->getData()[$attribute] ?? null; |
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} |
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public function hasAttribute(string $attribute): bool |
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{ |
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return $this->dataSetProvided |
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? $this->object->hasAttribute($attribute) |
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: array_key_exists($attribute, $this->getReflectionProperties()); |
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} |
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public function getData(): array |
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{ |
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if ($this->dataSetProvided) { |
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return $this->object->getData(); |
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} |
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$data = []; |
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foreach ($this->getReflectionProperties() as $name => $property) { |
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$data[$name] = $property->getValue($this->object); |
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} |
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return $data; |
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} |
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private function canCache(): bool |
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{ |
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return !$this->object instanceof stdClass; |
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} |
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private function hasCacheItem(#[ExpectedValues(['rules', 'reflectionProperties'])] string $name): bool |
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{ |
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if (!array_key_exists($this->cacheKey, self::$cache)) { |
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return false; |
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} |
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return array_key_exists($name, self::$cache[$this->cacheKey]); |
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} |
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private function getCacheItem(#[ExpectedValues(['rules', 'reflectionProperties'])] string $name): array |
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{ |
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return self::$cache[$this->cacheKey][$name]; |
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} |
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private function setCacheItem(#[ExpectedValues(['rules', 'reflectionProperties'])] string $name, array $rules): void |
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{ |
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self::$cache[$this->cacheKey][$name] = $rules; |
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} |
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} |
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yiisoft /
validator
