code: public function handle()
      {
          // todo: dorobit import od vydania toho Maatwebsite/Excel 3.1 momentalne je len 3.0 kde chybaju veci
          return;
  
          $pathToExcel = storage_path('import/users.xlsx');
  
          Excel::load($pathToExcel, function($reader) {
  
              $rows = $reader->get();
              $bar = $this->output->createProgressBar($rows->count());
  
              foreach ($rows as $item) {
                  if(!$object = User::where('username', '=', $item->username)->first()) {
                      $object = User::create([
                          'name'          => $item->name,
                          'email'         => $item->email,
                          'username'      => $item->username,
                          'password'      => $item->password,
                      ]);
                      $object->assignRole($item->rola);
                  } else {
                      $data = [
                          'name'          => $item->name,
                          'password'      => $item->password,
                      ];
  
                      if(!User::where('email', '=', $item->email)->exists()) {
                          $data['email'] = $item->email;
                      }
  
                      $object->update($data);
                      $object->syncRoles([$item->rola]);
                  }
  
                  $bar->advance();
              }
  
              $bar->finish();
          });
      }
docs: Execute the console command.
  
  @return mixed