Laravel and Android with MySQL database

Event::listen('laravel.log', function($type,$message)
{
    $log = new Log();
    $log->message = $message;
    $log->type = $type;
    $log->update;
});

Event::listen('404', function()
{
    $error = "404: " . URL::full();
    Log::error($error);
    $update = new Log();
    $update->error = $error;
    $update->update;
    return Response::error('404');
});

Event::listen('500', function()
{
    Log::error($error);
    $update = new Log();
    $update->error = $error;
    $update->update;
    return Response::error('500');
});

use Book;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Config;

public function configureDatabase($database){
        Config::set("database.connections.$database", array(
            'driver'    => 'mysql',
            'host'      => 'localhost',
            'database'  => "$database",
            'username'  => 'root',//User name here
            'password'  => '***', //Password here
            'charset'   => 'utf8',
            'collation' => 'utf8_unicode_ci',
            'prefix'    => '',
        ));
    }

public function getBooks($database){
  $this->configureDatabase($database)
  return Book::on($database)->all();
}

namespace App\Exports;

use App\MerakiBluetoothTemp;
use Maatwebsite\Excel\Concerns\FromCollection;
use App\Http\Controllers\Controller;

class merakiExport extends Controller implements FromCollection
{
    /**
     * @return \Illuminate\Support\Collection
     */
    public function collection()
    {
        return MerakiBluetoothTemp::all();
    }
}