Heimdall/app/Console/Commands/RegisterApp.php

<?php

namespace App\Console\Commands;

use App\Application;
use App\SupportedApps;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Storage;

class RegisterApp extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'register:app {folder}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Add a local app to the registry';

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

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        $folder = $this->argument('folder');
        if ($folder == 'all') {
            $apps = scandir(app_path('SupportedApps'));
            foreach ($apps as $folder) {
                if ($folder == '.' || $folder == '..') {
                    continue;
                }
                $this->addApp($folder);
            }
        } else {
            $this->addApp($folder);
        }
    }

    public function addApp($folder)
    {
        $json = app_path('SupportedApps/'.$folder.'/app.json');
        if (file_exists($json)) {
            $app = json_decode(file_get_contents($json));
            if (isset($app->appid)) {
                $exists = Application::find($app->appid);
                if ($exists) {
                    $this->error('Application already registered - '.$exists->name.' - '.$exists->appid);
                } else {
                    // Doesn't exist so add it
                    SupportedApps::saveApp($app, new Application);
                    $this->saveIcon($folder, $app->icon);
                    $this->info('Application Added - '.$app->name.' - '.$app->appid);
                }
            } else {
                $this->error('No App ID for - '.$folder);
            }
        } else {
            $this->error('Could not find '.$json);
        }
    }

    private function saveIcon($appFolder, $icon) {
        $iconPath = app_path('SupportedApps/' . $appFolder . '/' . $icon);
        $contents = file_get_contents($iconPath);
        Storage::disk('public')->put('icons/'.$icon, $contents);
    }
}