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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 ReflectionAttribute; |
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use ReflectionObject; |
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use ReflectionProperty; |
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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 get_class; |
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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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/** |
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* @var ReflectionProperty[] Used to avoid error "Typed property must not be accessed before initialization". |
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*/ |
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private array $reflectionProperties = []; |
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private string $cacheKey; |
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#[ArrayShape([ |
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[ |
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'rules' => 'iterable', |
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'reflectionProperties' => 'array', |
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'data' => 'array', |
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], |
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])] |
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private static array $cache; |
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private iterable $rules; |
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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->cacheKey = get_class($this->object); |
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$this->parseObject(); |
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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 getRules(): iterable |
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{ |
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return $this->rules; |
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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 getData(): array |
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{ |
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$cacheItem = $this->getCacheItem(); |
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if (isset($cacheItem['data'])) { |
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return $cacheItem['data']; |
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} |
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if ($this->dataSetProvided) { |
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$data = $this->object->getData(); |
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} else { |
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$data = []; |
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foreach ($this->reflectionProperties as $name => $property) { |
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$data[$name] = $property->getValue($this->object); |
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} |
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} |
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$this->updateCacheItem('data', $data); |
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return $data; |
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} |
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// TODO: Use Generator to collect attributes |
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private function parseObject(): void |
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{ |
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$this->dataSetProvided = $this->object instanceof DataSetInterface; |
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if ( |
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$this->hasCacheItem() && |
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$this->propertyVisibility === $this->getCacheItem()['propertyVisibility'] |
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) { |
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$this->rules = $this->getCacheItem()['rules']; |
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$this->reflectionProperties = $this->getCacheItem()['reflectionProperties'] ?? []; |
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return; |
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} |
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$this->rules = $this->parseRules(); |
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$this->updateCacheItem('rules', $this->rules); |
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$this->updateCacheItem('propertyVisibility', $this->propertyVisibility); |
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$this->deleteCacheItem('data'); |
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} |
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private function parseRules(): iterable |
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{ |
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$objectHasRules = $this->object instanceof RulesProviderInterface; |
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$rules = $objectHasRules ? $this->object->getRules() : []; |
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if ($this->dataSetProvided) { |
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return $rules; |
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} |
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$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()] = $property; |
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if ($objectHasRules === true) { |
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continue; |
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} |
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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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$this->reflectionProperties = $reflectionProperties; |
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$this->updateCacheItem('reflectionProperties', $this->reflectionProperties); |
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return $rules; |
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} |
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private function hasCacheItem(): bool |
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{ |
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return isset(self::$cache[$this->cacheKey]); |
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} |
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#[ArrayShape([ |
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'rules' => 'iterable', |
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'reflectionProperties' => 'array', |
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'data' => 'array', |
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])] |
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private function getCacheItem(): array |
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{ |
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return self::$cache[$this->cacheKey]; |
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} |
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private function updateCacheItem($key, $value): void |
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{ |
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self::$cache[$this->cacheKey][$key] = $value; |
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} |
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private function deleteCacheItem(string $key): void |
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{ |
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unset(self::$cache[$this->cacheKey][$key]); |
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} |
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} |
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yiisoft /
validator
