/// <inheritdoc/>
public RepositoryStorageLoadResult LoadRepositoryOrDefault(out NoteRepositoryModel repositoryModel)
{
if (_cachedRepository != null)
{
repositoryModel = _cachedRepository;
return(RepositoryStorageLoadResult.SuccessfullyLoaded);
}
RepositoryStorageLoadResult result;
repositoryModel = null;
bool modelWasUpdated = false;
try
{
// A new repository is created only if it does not yet exist, we won't overwrite
// an invalid repository.
if (RepositoryExists())
{
string xmlFilePath = Path.Combine(GetDirectoryPath(), Config.RepositoryFileName);
if (!_xmlFileService.TryLoad(xmlFilePath, out XDocument xml))
{
throw new Exception("Invalid XML");
}
result = RepositoryStorageLoadResult.SuccessfullyLoaded;
modelWasUpdated = _updater.Update(xml);
repositoryModel = XmlUtils.DeserializeFromXmlDocument <NoteRepositoryModel>(xml);
}
else
{
result = RepositoryStorageLoadResult.CreatedNewEmptyRepository;
repositoryModel = new NoteRepositoryModel();
repositoryModel.Revision = NoteRepositoryModel.NewestSupportedRevision;
AddWelcomeNote(repositoryModel);
modelWasUpdated = true;
}
}
catch (Exception)
{
result = RepositoryStorageLoadResult.InvalidRepository;
repositoryModel = null;
modelWasUpdated = false;
}
// Automatically save settings if they where modified by an update
if (modelWasUpdated)
{
TrySaveRepository(repositoryModel);
}
_cachedRepository = repositoryModel;
return(result);
}
/// <inheritdoc/>
public SettingsModel LoadSettingsOrDefault()
{
if (_cachedSettings != null)
{
return(_cachedSettings); // Take it form cache if available
}
SettingsModel result = null;
bool modelWasUpdated = false;
try
{
string xmlFilePath = Path.Combine(GetDirectoryPath(), Config.UserSettingsFileName);
if (_xmlFileService.TryLoad(xmlFilePath, out XDocument xml))
{
modelWasUpdated = UpdateSettings(xml);
result = XmlUtils.DeserializeFromXmlDocument <SettingsModel>(xml);
AfterLoading(result);
}
}
catch (Exception)
{
result = null;
}
// Create default settings if result is still null
if (result == null)
{
result = new SettingsModel();
modelWasUpdated = true;
}
// Automatically save settings if they where modified by an update
if (modelWasUpdated)
{
TrySaveSettingsToLocalDevice(result);
}
_cachedSettings = result;
return(_cachedSettings);
}
