Laravel Custom Class/Model Scheduling

Schedulable.php

<?php

//Don't forget to change the namespace!
namespace App\Traits;

use Cron\CronExpression;
use Illuminate\Support\Carbon;
use Illuminate\Console\Scheduling\ManagesFrequencies;

trait Schedulable{

    use ManagesFrequencies;

    protected $expression = '* * * * *';

    protected $timezone;

    public function isDue(){
        $date = Carbon::now();

        if ($this->timezone) {
            $date->setTimezone($this->timezone);
        }

        return CronExpression::factory($this->expression)->isDue($date->toDateTimeString());
    }

    public function nextDue(){
        return Carbon::instance(CronExpression::factory($this->expression)->getNextRunDate());
    }

    public function lastDue(){
        return Carbon::instance(CronExpression::factory($this->expression)->getPreviousRunDate());
    }

}