CourseWork/app/Services/TeacherService.php

<?php

namespace App\Services;

use App\Models\Teacher;
use App\Models\User;
use Illuminate\Pagination\LengthAwarePaginator;

class TeacherService
{
    public function create(array $data): Teacher
    {
        $user = User::create([
            'email' => $data['email'],
            'password' => $data['password'],
        ]);
        $teacher = Teacher::create([
            'name' => $data['name'],
            'last_name' => $data['last_name'],
            'middle_name' => $data['middle_name'],
            'birthday' => $data['birthday'],
        ]);
        $teacher->user()->save($user);

        return $teacher;
    }

    public function update(Teacher $teacher, array $data): Teacher
    {
        $teacher->user()->update([
            'email' => $data['email'],
            'password' => $data['password'],
        ]);

        $teacher->update([
            'name' => $data['name'],
            'last_name' => $data['last_name'],
            'middle_name' => $data['middle_name'],
            'birthday' => $data['birthday'],
        ]);

        return $teacher;
    }

    public function delete(Teacher $teacher): void
    {
        $teacher->user()->delete();
        $teacher->delete();
    }
}