ldc-legaulois/app/Models/FaqQuestions.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class FaqQuestions extends Model
{
    public function theme()
    {
        return $this->belongsTo(FaqThemes::class, 'faq_themes_id');
    }

    public function getUtilityAttribute()
    {
        $pourcent = 0;
        if ($this->positive_vote >= $this->negative_vote && $this->positive_vote > 0 && $this->negative_vote > 0) {
            $ratio = $this->negative_vote / $this->positive_vote;
            $pourcent = ceil((1 - $ratio) * 100);
        }

        return $pourcent;
    }
}