<?php

namespace App;

use App\Helpers\MiscHelper;
use Illuminate\Database\Eloquent\Model;

class Label extends Model
{
    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = [
        'name', 'url_alias'
    ];

    public function generateAlias()
    {
        $this->url_alias = preg_replace('/[^a-z0-9\-]/', '-', strtolower($this->name));
    }

    public function photos()
    {
        return $this->belongsToMany(Photo::class, 'photo_labels');
    }
}