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<?php |
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declare(strict_types = 1); |
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namespace hanneskod\clean; |
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/** |
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* Validate arrays of input data |
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*/ |
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final class ArrayValidator implements ValidatorInterface |
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{ |
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/** |
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* @var array<string, ValidatorInterface> |
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*/ |
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private array $validators; |
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private bool $ignoreUnknown; |
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/** |
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* @param array<string, ValidatorInterface> $validators |
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*/ |
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public function __construct(array $validators = [], bool $ignoreUnknown = false) |
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{ |
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$this->validators = $validators; |
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$this->ignoreUnknown = $ignoreUnknown; |
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} |
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/** |
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* Create a new validator flagged if unknown items should be ignored when validating |
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*/ |
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public function ignoreUnknown(bool $ignoreUnknown = true): ArrayValidator |
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{ |
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return new static($this->validators, $ignoreUnknown); |
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} |
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public function applyTo($data): ResultInterface |
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{ |
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if (!is_array($data)) { |
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return new Invalid(new Exception("expecting array input")); |
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} |
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/** @var array<string, mixed> */ |
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$clean = []; |
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/** @var array<string, string> */ |
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$errors = []; |
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foreach ($this->validators as $name => $validator) { |
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$result = $validator->applyTo($data[$name] ?? null); |
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if ($result->isValid()) { |
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$clean[$name] = $result->getValidData(); |
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continue; |
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} |
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$errors[$name] = implode("\n", $result->getErrors()); |
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} |
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if (!$this->ignoreUnknown && $diff = array_diff_key($data, $this->validators)) { |
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foreach (array_keys($diff) as $unknown) { |
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$errors[(string)$unknown] = "Unknown input item $unknown"; |
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} |
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} |
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return new ArrayResult($clean, $errors); |
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} |
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public function validate($data) |
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{ |
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$result = $this->applyTo($data); |
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if ($result->isValid()) { |
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return $result->getValidData(); |
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} |
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$msg = ''; |
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foreach ($result->getErrors() as $name => $error) { |
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$msg .= "$name: $error\n"; |
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} |
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throw new Exception(trim($msg)); |
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} |
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} |
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hanneskod /
clean
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