61 lines
1.2 KiB
PHP
61 lines
1.2 KiB
PHP
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<?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 Respect\Validation\Helpers\CanCompareValues;
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/**
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* Abstract class to help on creating rules that compare value.
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*
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* @author Henrique Moody <henriquemoody@gmail.com>
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*/
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abstract class AbstractComparison extends AbstractRule
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{
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use CanCompareValues;
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/**
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* @var mixed
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*/
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private $compareTo;
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/**
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* Compare both values and return whether the comparison is valid or not.
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*
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* @param mixed $left
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* @param mixed $right
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*/
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abstract protected function compare($left, $right): bool;
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/**
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* Initializes the rule by setting the value to be compared to the input.
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*
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* @param mixed $maxValue
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*/
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public function __construct($maxValue)
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{
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$this->compareTo = $maxValue;
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}
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/**
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* {@inheritDoc}
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*/
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public function validate($input): bool
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{
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$left = $this->toComparable($input);
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$right = $this->toComparable($this->compareTo);
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if (!$this->isAbleToCompareValues($left, $right)) {
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return false;
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}
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return $this->compare($left, $right);
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}
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}
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