<?php

namespace App\Models;

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

class Course extends Model
{
    use HasFactory;

    protected $fillable = [
        'name', 'user_id', 'slug'
    ];

    public function lessons()
    {
        return $this->hasMany(Lesson::class);
    }

    public function getRouteKeyName()
    {
        return 'slug';
    }

    public function getLesson($slug)
    {
        return $this->lessons()->where('slug', $slug)->first();
    }
}