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94ddfcd0bdThe constructor of `Result` has many arguments, but that's not the primary reason why I'm making this change. I want to change the constructor, and it will become more complicated, so having this named constructor will be useful in the next refactoring. With this change, I also made the `id` mandatory. That made the constructor look neater and most to promote almost all properties to the constructor. Another change was removing the `fromAdjacent` method, which was quite confusing. I created the `asAdjacentOf` method, which is a bit clearer. If anything, it makes all static methods named constructors. It will be a bit more verbose, but more intuitive.
68 lines
1.6 KiB
PHP
68 lines
1.6 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 function is_numeric;
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use function is_string;
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use function number_format;
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use function preg_replace;
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use function var_export;
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#[Attribute(Attribute::TARGET_PROPERTY | Attribute::IS_REPEATABLE)]
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#[Template(
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'{{subject}} must have {{decimals}} decimals',
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'{{subject}} must not have {{decimals}} decimals',
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)]
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final readonly class Decimal implements Rule
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{
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public function __construct(
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private int $decimals,
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) {
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}
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public function evaluate(mixed $input): Result
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{
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$parameters = ['decimals' => $this->decimals];
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if (!is_numeric($input)) {
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return Result::failed($input, $this, $parameters);
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}
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return Result::of($this->isValidDecimal($input), $input, $this, $parameters);
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}
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private function isValidDecimal(mixed $input): bool
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{
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return $this->toFormattedString($input) === $this->toRawString($input);
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}
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private function toRawString(mixed $input): string
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{
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if (is_string($input)) {
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return $input;
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}
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return var_export($input, true);
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}
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private function toFormattedString(mixed $input): string
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{
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$formatted = number_format((float) $input, $this->decimals, '.', '');
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if (is_string($input)) {
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return $formatted;
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}
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return preg_replace('/^(\d+\.\d)0*$/', '$1', $formatted) ?: '';
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}
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}
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