/// <inheritdoc/>
public override async Task Run()
{
try
{
NoteRepositoryModel cloudRepository = StoryBoard.LoadFromSession <NoteRepositoryModel>(PullPushStorySessionKey.CloudRepository);
_repositoryStorageService.LoadRepositoryOrDefault(out NoteRepositoryModel localRepository);
SettingsModel settings = _settingsService.LoadSettingsOrDefault();
SerializeableCloudStorageCredentials credentials = settings.Credentials;
NoteModel cloudNote = cloudRepository.Notes.FindById(_noteId);
NoteModel localNote = localRepository.Notes.FindById(_noteId);
if (localNote == null)
{
throw new Exception("PullPushStory is triggered on the note dialog, so the note must exist.");
}
if (cloudNote == null)
{
// Note does not yet exist in the cloud, or it was deleted permanently. Both
// cases should be rejected.
_feedbackService.ShowToast(_languageService["pushpull_error_no_cloud_note"]);
return;
}
if (cloudNote.ModifiedAt == localNote.ModifiedAt)
{
// Notes are equal, nothing to sync
_feedbackService.ShowToast(_languageService["pushpull_success"]);
return;
}
// Merge repositories
if (_direction == PullPushDirection.PullFromServer)
{
cloudNote.CloneTo(localNote); // this can possibly move the note to the recycling bin or reverse
AddSafeToOtherRepositoryIfMissing(cloudRepository, localRepository, cloudNote.SafeId);
_repositoryStorageService.TrySaveRepository(localRepository);
}
else
{
// Uploading explicitely can be seen as a confirmation that this version is the
// most current one. So we make sure that the uploaded version is not overwritten
// by other devices afterwards.
localNote.RefreshModifiedAt();
_repositoryStorageService.TrySaveRepository(localRepository);
localNote.CloneTo(cloudNote); // this can possibly move the note to the recycling bin or reverse
AddSafeToOtherRepositoryIfMissing(localRepository, cloudRepository, localNote.SafeId);
byte[] encryptedRepository = EncryptRepository(
cloudRepository, settings.TransferCode, _cryptoRandomService, settings.SelectedEncryptionAlgorithm);
ICloudStorageClient cloudStorageClient = _cloudStorageClientFactory.GetOrCreate(credentials.CloudStorageId);
await cloudStorageClient.UploadFileAsync(Config.RepositoryFileName, encryptedRepository, credentials);
}
_feedbackService.ShowToast(_languageService["pushpull_success"]);
}
catch (Exception ex)
{
// Keep the current page open and show the error message
ShowExceptionMessage(ex, _feedbackService, _languageService);
}
}
