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<?php |
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namespace Kir\MySQL\Builder\Expr; |
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use Kir\MySQL\Builder\Helpers\RecursiveStructureAccess; |
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use RuntimeException; |
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class DBExprFilter implements OptionalExpression { |
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/** @var mixed */ |
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private $expression; |
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/** @var bool */ |
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private $hasValue; |
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/** @var mixed */ |
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private $value; |
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/** @var string[] */ |
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private $keyPath; |
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/** @var null|callable(mixed): bool */ |
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private $validator; |
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/** @var callable(bool, array{key: mixed, value: string}) */ |
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private $validationResultHandler; |
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/** |
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* @param string $expression |
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* @param array<string, mixed> $data |
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* @param string|string[] $keyPath |
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* @param callable|null $validator |
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* @param callable|null $validationResultHandler |
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*/ |
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public function __construct(string $expression, array $data, $keyPath, $validator = null, $validationResultHandler = null) { |
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$this->expression = $expression; |
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$this->keyPath = $this->buildKey($keyPath); |
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$this->value = RecursiveStructureAccess::recursiveGet($data, $this->keyPath, null); |
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$this->hasValue = is_scalar($this->value) ? trim((string) $this->value) !== '' : !empty($this->value); |
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if($validator === null) { |
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$validator = function() { |
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return true; |
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}; |
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} |
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$this->validator = $validator; |
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if($validationResultHandler === null) { |
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$validationResultHandler = static function () {}; |
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} |
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$this->validationResultHandler = $validationResultHandler; |
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} |
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/** |
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* @return string |
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*/ |
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public function getExpression(): string { |
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return $this->expression; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isValid(): bool { |
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if(!$this->hasValue) { |
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return false; |
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} |
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if($this->validator !== null) { |
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$result = call_user_func($this->validator, $this->value); |
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call_user_func($this->validationResultHandler, $result, [ |
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'value' => $this->value, |
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'key' => implode('.', $this->keyPath), |
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]); |
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return $result; |
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} |
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return true; |
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} |
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/** |
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* @return array{mixed} |
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*/ |
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public function getValue(): array { |
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return [$this->value]; |
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} |
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/** |
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* @param string|string[] $keyPath |
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* @return string[] |
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*/ |
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private function buildKey($keyPath): array { |
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if(is_string($keyPath)) { |
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$keyPath = explode('.', $keyPath); |
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} |
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if(!is_array($keyPath)) { |
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throw new RuntimeException('Invalid key'); |
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} |
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return $keyPath; |
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} |
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} |
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rkrx /
php-mysql-query-builder
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