Generate slug for existing records about eloquent-sluggable HOT 14 CLOSED

<?php namespace App\Console;

use Illuminate\Console\Command;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Input\InputArgument;
use \Cviebrock\EloquentSluggable\Services\SlugService;

class CreateSlugsCommand extends Command {

	/**
	 * The console command name.
	 *
	 * @var string
	 */
	protected $name = 'slugs:create';

	/**
	 * The console command description.
	 *
	 * @var string
	 */
	protected $description = 'Create slugs for Model.';

	/**
	 * Create a new command instance.
	 *
	 * @return void
	 */
	public function __construct()
	{
		parent::__construct();
	}

	/**
	 * Execute the console command.
	 *
	 * @return mixed
	 */
	public function handle()
	{
		$model_name = ucfirst($this->argument('model'));
		
		$model = new $model_name;
		
		try
		{
		    $model = new $model_name;
		}
		catch(Exception $e)
		{
		    $this->error('The model was not found');
		}
        $result = $model::all();
        
        foreach($result as $item) {
			$field = $item->sluggable()['slug']['source'];
			$slug = SlugService::createSlug($model, 'slug', $item->$field);
			$item->slug = $slug;
			$item->save();
        }
	}

	/**
	 * Get the console command arguments.
	 *
	 * @return array
	 */
	protected function getArguments()
	{
		return array(
			array('model', InputArgument::REQUIRED, 'The model you want to update the slugs for.'),
		);
	}

	/**
	 * Get the console command options.
	 *
	 * @return array
	 */
	protected function getOptions()
	{
		return array(
			array('force', null, InputOption::VALUE_NONE, 'Overwrite existing slugs.', null),
		);
	}

}

<?php

use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;
use Symfony\Component\Console\Helper\ProgressBar;
use Symfony\Component\Console\Output\ConsoleOutput;
use App\Classified;

class GenerateSlugs extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        $classifieds = Classified::all();

        $output = new ConsoleOutput();
        error_log('Fixing missing slugs');
        $bar = new ProgressBar($output, count($classifieds));

        foreach ($classifieds as $classified) {

            $bar->advance();
            $classified->save();

        }

        $bar->finish();
        error_log("\n");
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        //
    }
}