siakad-itm/app/Models/Student.php

<?php

namespace App\Models;

use App\Enums\StudentStatus;
use Illuminate\Database\Eloquent\Attributes\Guarded;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\SoftDeletes;

#[Guarded(['id'])]
class Student extends Model
{
    use HasFactory, SoftDeletes;

    protected function casts(): array
    {
        return [
            'status' => StudentStatus::class,
        ];
    }

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

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

    public function academicAdvisor(): BelongsTo
    {
        return $this->belongsTo(Lecturer::class, 'academic_advisor_id');
    }

    public function enrollments(): HasMany
    {
        return $this->hasMany(ClassEnrollment::class);
    }

    public function submissions(): HasMany
    {
        return $this->hasMany(Submission::class);
    }

    public function attendances(): HasMany
    {
        return $this->hasMany(Attendance::class);
    }

    public function tuitionInvoices(): HasMany
    {
        return $this->hasMany(TuitionInvoice::class);
    }

    public function courseRegistrations(): HasMany
    {
        return $this->hasMany(CourseRegistration::class);
    }

    public function courseRegistrationSubmissions(): HasMany
    {
        return $this->hasMany(CourseRegistrationSubmission::class);
    }

    public function letterRequests(): HasMany
    {
        return $this->hasMany(LetterRequest::class);
    }

    public function academicAdvisingLogs(): HasMany
    {
        return $this->hasMany(AcademicAdvisingLog::class);
    }
}