Bottaajat/cultura

<?php

namespace App\Models;
use Illuminate\Database\Eloquent\Model;

class MultipleChoice extends Model {
  protected $fillable = [ 'question', 'choices', 'solution' ];
    public function task() {
        return $this->belongsTo('App\Models\Task');
    }

    // Returns shuffled array of choices
    public function randomOrderChoices() {
    $choices = stringToArray($this->choices);
    shuffle($choices);
    return $choices;
    }

    // Returns true if answer is correct, otherwise false
    public function checkSolution($answer) {
    $solutions = stringToArray($this->solution);
    foreach ($solutions as $solution) {
      if(strcmp($solution, $answer) == 0) return True;
    }
    return False;
  }

  public function getSolutionCount() {
    return count(stringToArray($this->solution));
  }

}