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7cec227520With this change, any rule can be used as a PHP attribute. I have wanted to implement this feature for a while, as it allows you to bind the validation to a specific property and just validate the object afterwards.
72 lines
2 KiB
PHP
72 lines
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\Exceptions\InvalidRuleConstructorException;
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use Respect\Validation\Exceptions\MissingComposerDependencyException;
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use Respect\Validation\Message\Template;
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use Respect\Validation\Result;
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use Respect\Validation\Rules\Core\Standard;
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use Sokil\IsoCodes\Database\Countries;
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use Sokil\IsoCodes\Database\Languages;
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use function class_exists;
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use function in_array;
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use function is_string;
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#[Attribute(Attribute::TARGET_PROPERTY | Attribute::IS_REPEATABLE)]
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#[Template(
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'{{name}} must be a valid language code',
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'{{name}} must not be a valid language code',
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)]
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final class LanguageCode extends Standard
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{
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private readonly Languages $languages;
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/** @param "alpha-2"|"alpha-3" $set */
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public function __construct(
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private readonly string $set = 'alpha-2',
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?Languages $languages = null
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) {
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if (!class_exists(Countries::class)) {
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throw new MissingComposerDependencyException(
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'LanguageCode rule requires PHP ISO Codes',
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'sokil/php-isocodes',
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'sokil/php-isocodes-db-only'
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);
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}
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$availableSets = ['alpha-2', 'alpha-3'];
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if (!in_array($set, $availableSets, true)) {
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throw new InvalidRuleConstructorException(
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'"%s" is not a valid set for ISO 639-3 (Available: %s)',
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$set,
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$availableSets
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);
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}
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$this->languages = $languages ?? new Languages();
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}
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public function evaluate(mixed $input): Result
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{
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if (!is_string($input)) {
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return Result::failed($input, $this);
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}
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$currency = match ($this->set) {
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'alpha-2' => $this->languages->getByAlpha2($input),
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'alpha-3' => $this->languages->getByAlpha3($input),
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};
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return new Result($currency !== null, $input, $this);
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}
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}
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