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<?php |
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declare(strict_types=1); |
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namespace Marcosh\PhpValidationDSL\Basic; |
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use Marcosh\PhpValidationDSL\Result\ValidationResult; |
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use Marcosh\PhpValidationDSL\Translator\Translator; |
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use Marcosh\PhpValidationDSL\Validation; |
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use function array_key_exists; |
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use function is_callable; |
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final class HasKey implements Validation |
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{ |
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public const MISSING_KEY = 'has-key.missing-key'; |
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/** |
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* @var string |
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*/ |
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private $key; |
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/** |
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* @var callable $key -> $data -> string[] |
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*/ |
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private $errorFormatter; |
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private function __construct(string $key, ?callable $errorFormatter = null) |
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{ |
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$this->key = $key; |
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$this->errorFormatter = is_callable($errorFormatter) ? |
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$errorFormatter : |
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function (string $key, $data) { |
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return [self::MISSING_KEY]; |
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}; |
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} |
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public static function withKey(string $key): self |
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{ |
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return new self($key); |
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} |
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public static function withKeyAndFormatter(string $key, callable $errorFormatter): self |
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{ |
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return new self($key, $errorFormatter); |
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} |
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public static function withKeyAndTranslator(string $key, Translator $translator): self |
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{ |
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return new self( |
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$key, |
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function (string $key, $data) use ($translator) { |
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return [$translator->translate(self::MISSING_KEY)]; |
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} |
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); |
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} |
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public function validate($data, array $context = []): ValidationResult |
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{ |
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if (! array_key_exists($this->key, $data)) { |
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return ValidationResult::errors(($this->errorFormatter)($this->key, $data)); |
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} |
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return ValidationResult::valid($data); |
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} |
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} |
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marcosh /
php-validation-dsl
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.