<?php

namespace App\Rules;
use Illuminate\Contracts\Validation\Rule;

class SumEquals100 implements Rule {
  public function passes($attribute, $value) {
    $sum = collect($value)->sum('amount_in_percent');
    return $sum == 100;
  }

  public function message() {
    return 'Die Summe aller Zutaten muss exakt 100% entsprechen.';
  }
}