public SettingsDTO UpdateSettings(string username, SettingsDTO dto)
{
var acc = accountService.GetAccountForUser(username);
if (acc == null)
{
throw new Exception("Such account doesn't exist!");
}
var settings = settingsRepository.GetById(acc.SettingsId);
var newSettings = SettingsConverter.ToEntity(dto);
newSettings.Id = settings.Id;
settingsRepository.Save(newSettings);
return(dto);
}