MichaelRubel\ValueObjects\Concerns\SanitizesNumbers

Complexity

Total Complexity

7

Size/Duplication

Total Lines	53
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	15
Bugs	2	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	sanitize()	0	20	4
A	isPrecise()	0	17	3

<?php

declare(strict_types=1);

namespace MichaelRubel\ValueObjects\Concerns;

use LengthException;

trait SanitizesNumbers
{
    /**
     * @param  int|string|float|null  $number
     *
     * @return string
     */
    protected function sanitize(int|string|float|null $number): string
    {
        if (is_float($number) && ! $this->isPrecise($number)) {
            throw new LengthException('Float precision loss detected.');
        }

        $number = str($number)->replace(',', '.');

        $dots = $number->substrCount('.');

        if ($dots >= 2) {
            $number = $number
                ->replaceLast('.', ',')
                ->replace('.', '')
                ->replaceLast(',', '.');
        }

        return $number
            ->replaceMatches('/[^0-9.]/', '')
            ->toString();
    }

    /**
     * Determine whether the passed floating point number is precise.
     *
     * @param  float  $number
     *
     * @return bool
     */
    private function isPrecise(float $number): bool
    {
        $numberAsString = str($number);

        $afterFloatingPoint = $numberAsString
            ->explode('.')
            ->get(1, '');

        $precisionPosition = str($afterFloatingPoint)->length();

        $roundedNumber = round($number, $precisionPosition);

        if ($roundedNumber === $number && $numberAsString->length() <= PHP_FLOAT_DIG) {
            return true;
        }

        return false;
    }
}