<?php

namespace App\Models;

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

#[Guarded(['id'])]
class CourseRegistration extends Model
{
    use HasFactory;

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

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

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

    public function submission(): BelongsTo
    {
        return $this->belongsTo(CourseRegistrationSubmission::class, 'submission_id');
    }
}