public async Task RestoreFromLocalStorage(IEnumerable <ArchiveEntry> files)
{
await Task.Run(() =>
{
var tripFile = files.FirstOrDefault(x => x.Name == Constants.BackupTripsFileName);
var accommFile = files.FirstOrDefault(x => x.Name == Constants.BackupAccommodationsFileName);
var trips = serializer.Deserialize <IEnumerable <Trip> >(tripFile.Content as string);
var accommodations = serializer.Deserialize <IEnumerable <Accommodation> >(accommFile.Content as string);
tripRepository.AddOrReplace(trips);
accommodationRepository.AddOrReplace(accommodations);
});
}