<?php

namespace App\Utils\Calculations;

class Week
{
    public static function sub(int $minuendo, int $subtraendo): int
    {
        $result = $minuendo - $subtraendo;

        return $result < 1 ? 7 - abs($result) : $result;
    }

    public static function sum(int $firstPortion, int $secondPortion): int
    {
        $result = $firstPortion + $secondPortion;

        return $result > 7 ? $result - 7 : $result;
    }
}