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<?php |
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declare(strict_types=1); |
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namespace BrenoRoosevelt\Validation; |
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use BrenoRoosevelt\Validation\Factories\ComparisonFactory; |
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use BrenoRoosevelt\Validation\Rules\AllowsEmpty; |
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use BrenoRoosevelt\Validation\Rules\AllowsNull; |
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use BrenoRoosevelt\Validation\Rules\NotRequired; |
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use Countable; |
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use IteratorAggregate; |
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use SplObjectStorage; |
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class RuleSet implements Rule, IteratorAggregate, Countable |
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{ |
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use GuardForValidation, |
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ComparisonFactory, |
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MaybeBelongsToField { |
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setField as private; |
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} |
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private SplObjectStorage $rules; |
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/** |
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* @throws ValidationException if the field is provided and is blank |
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*/ |
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final public function __construct(?string $field = null, Rule|RuleSet ...$rules) |
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{ |
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$this->rules = new SplObjectStorage; |
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$this->field = $field; |
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$this->attachRules(...$rules); |
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} |
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public static function new(): self |
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{ |
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return new self; |
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} |
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public static function forField(string $field, Rule|RuleSet ...$rules): self |
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{ |
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return new self($field, ...$rules); |
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} |
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public static function withRules(Rule|RuleSet ...$rules): self |
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{ |
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return new self(null, ...$rules); |
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} |
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private function attachRules(Rule|RuleSet ...$rules): void |
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{ |
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foreach ($rules as $validationOrSet) { |
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if ($validationOrSet instanceof Rule) { |
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$this->rules->attach($validationOrSet); |
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} |
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if ($validationOrSet instanceof RuleSet) { |
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foreach ($validationOrSet as $validation) { |
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$this->rules->attach($validation); |
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} |
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} |
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} |
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} |
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public function add(Rule|RuleSet ...$rules): self |
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{ |
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$instance = clone $this; |
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$instance->attachRules(...$rules); |
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return $instance; |
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} |
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public function validate(mixed $input, array $context = []): ValidationResult|ValidationResultByField |
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{ |
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$violations = $empty = $this->newEmptyValidationResult(); |
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if (!$this->shouldValidate($input)) { |
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return $empty; |
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} |
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foreach ($this->rules as $rule) { |
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$violations = $violations->error(...$rule->validate($input, $context)->getErrors()); |
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} |
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return $violations; |
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} |
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private function shouldValidate(mixed $input): bool |
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{ |
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if (null === $input && $this->allowsNull()) { |
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return false; |
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} |
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if ((is_string($input) || is_array($input)) && empty($input) && $this->allowsEmpty()) { |
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return false; |
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} |
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return true; |
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} |
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public function isRequired(): bool |
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{ |
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if ($this->isEmpty()) { |
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return false; |
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} |
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foreach ($this->rules as $rule) { |
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if ($rule instanceof NotRequired) { |
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return false; |
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} |
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} |
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return true; |
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} |
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public function allowsEmpty(): bool |
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{ |
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if ($this->isEmpty()) { |
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return true; |
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} |
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foreach ($this->rules as $rule) { |
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if ($rule instanceof AllowsEmpty) { |
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return true; |
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} |
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} |
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return false; |
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} |
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public function allowsNull(): bool |
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{ |
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if ($this->isEmpty()) { |
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return true; |
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} |
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foreach ($this->rules as $rule) { |
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if ($rule instanceof AllowsNull) { |
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return true; |
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} |
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} |
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return false; |
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} |
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public function setNotRequired(): self |
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{ |
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return $this->add(NotRequired::instance()); |
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} |
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public function setAllowsEmpty(): self |
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{ |
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return $this->add(AllowsEmpty::instance()); |
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} |
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public function setAllowsNull(): self |
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{ |
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return $this->add(AllowsNull::instance()); |
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} |
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public function isEmpty(): bool |
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{ |
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return $this->rules->count() === 0; |
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} |
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/** @return Rule[] */ |
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public function toArray(): array |
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{ |
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return iterator_to_array($this->rules); |
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} |
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public function getIterator(): SplObjectStorage |
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{ |
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return clone $this->rules; |
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} |
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public function count(): int |
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{ |
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return $this->rules->count(); |
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} |
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} |
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brenoroosevelt /
php-validation
