eval-desempeno-v2/app/Models/SurveyUserModel.php

<?php

namespace App\Models;

use CodeIgniter\Model;

class SurveyUserModel extends Model
{
    protected $table = 'survey_user';
    protected $useTimestamps = true;

    protected $allowedFields = ['survey_id', 'user_id'];

    protected $validationRules = [
        'survey_id' => 'required',
        'user_id' => 'required',
    ];


    public function alreadyAnswered($surveyId, $userId)
    {
        return $this->where([
            'survey_id' => $surveyId,
            'user_id' => $userId,
        ])->countAllResults();
    }
}