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338c186803Since we have the ability to use `not` as a prefix, having rules that start with not becomes a bit inflexible, verbose, and harder to understand. This commit will refactor the `NotBlank` rule by inverting its behaviour and renaming it to `Blank`. Although this is a breaking change, users will not feel it because "NotBlank" will still be available by using the `not` prefix followed by the `Blank` rule.
56 lines
1.2 KiB
PHP
56 lines
1.2 KiB
PHP
<?php
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/*
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* Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
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* SPDX-License-Identifier: MIT
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*/
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declare(strict_types=1);
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namespace Respect\Validation\Rules;
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use Attribute;
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use Respect\Validation\Message\Template;
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use Respect\Validation\Result;
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use Respect\Validation\Rule;
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use stdClass;
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use function array_filter;
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use function is_array;
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use function is_numeric;
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use function is_string;
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use function trim;
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#[Attribute(Attribute::TARGET_PROPERTY | Attribute::IS_REPEATABLE)]
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#[Template(
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'{{subject}} must be blank',
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'{{subject}} must not be blank',
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)]
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final class Blank implements Rule
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{
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public function evaluate(mixed $input): Result
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{
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return Result::of($this->isBlank($input), $input, $this);
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}
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private function isBlank(mixed $input): bool
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{
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if (is_numeric($input)) {
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return $input == 0;
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}
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if (is_string($input)) {
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$input = trim($input);
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}
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if ($input instanceof stdClass) {
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$input = (array) $input;
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}
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if (is_array($input)) {
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$input = array_filter($input, fn($value) => !$this->isBlank($value));
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}
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return empty($input);
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}
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}
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