private async void ReadDatabase()
{
_locker.Reset();
await Task.Factory.StartNew(async() =>
{
try
{
string text = await _fileAccessor.ReadFile(DatabaseFileUri);
if (string.IsNullOrEmpty(text))
{
CreateModel();
return;
}
text = ProductsDatabaseEncrypter.Decrypt(text);
XmlSerializer serializer = new XmlSerializer(typeof(ProductsDatabaseModel));
using (TextReader reader = new StringReader(text))
{
_model = (ProductsDatabaseModel)serializer.Deserialize(reader);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
CreateModel();
}
finally
{
_locker.Set();
}
});
}
private async void WriteDatabase()
{
_locker.Reset();
await Task.Factory.StartNew(async() =>
{
_model.Version = DatabaseVersion;
XmlSerializer serializer = new XmlSerializer(typeof(ProductsDatabaseModel));
StringBuilder builder = new StringBuilder();
using (TextWriter writer = new StringWriter(builder))
{
serializer.Serialize(writer, _model);
}
string encodedText = ProductsDatabaseEncrypter.Encrypt(builder.ToString());
await _fileAccessor.WriteFile(DatabaseFileUri, encodedText);
_locker.Set();
});
}
