<?php

namespace App\Services;

use App\Models\Grade;
use App\Models\Teacher;
use Illuminate\Support\Facades\Auth;

class LessonService
{
    public function getLessons(Grade $grade)
    {
        if (Auth::user()->userable_type == Teacher::class) {
            return $grade
                ->lessons()
                ->where('teacher_id', Auth::user()->userable_id)
                ->filter()
                ->get();
        }

        return $grade->lessons()->filter()->get();
    }
}