LMS/app/Models/TestResponse.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class TestResponse extends Model
{
    use HasFactory;

    protected $fillable = [
        'attempt_id',
        'question_id',
        'answer_id',
        'text_response',
        'matching_response',
        'is_correct',
        'score',
    ];

    protected $casts = [
        'matching_response' => 'array',
        'is_correct' => 'boolean',
    ];

    public function attempt(): BelongsTo
    {
        return $this->belongsTo(TestAttempt::class);
    }

    public function question(): BelongsTo
    {
        return $this->belongsTo(Question::class);
    }

    public function answer(): BelongsTo
    {
        return $this->belongsTo(Answer::class);
    }
}