public List <FigureConfig> LoadFigures()
{
var configDir = Path.Combine(Directory.GetCurrentDirectory(), ConfigDir);
EnsureDirectory(configDir);
var figuresPath = Path.Combine(configDir, FiguresFile);
var res = new List <FigureConfig>();
if (File.Exists(figuresPath))
{
try
{
var bytes = File.ReadAllBytes(figuresPath);
if (!string.IsNullOrWhiteSpace(_appService.Settings.SelectedExtension.AssemblyPath))
{
var descriptor = (IExtensionDescriptor)_appService.PluginLibrary.Get(_appService.Settings.SelectedExtension);
var extension = new ExtensionProxy(descriptor);
using (var input = new MemoryStream(bytes))
{
var output = extension.OnDeserializing(input);
if (output != null)
{
using (output)
{
bytes = new byte[output.Length];
output.Seek(0, SeekOrigin.Begin);
output.Read(bytes, 0, (int)output.Length);
}
}
}
}
using (var stream = new MemoryStream(bytes))
{
var serializer = new BinaryFormatter();
res = serializer.Deserialize(stream) as List <FigureConfig>;
}
}
catch (Exception ex)
{
_logger.Error($"Failed to load persistance model: {ex.ToString()}");
}
}
return(res);
}
public void SaveFigures(List <FigureConfig> figures)
{
var configDir = Path.Combine(Directory.GetCurrentDirectory(), ConfigDir);
EnsureDirectory(configDir);
var figuresPath = Path.Combine(configDir, FiguresFile);
try
{
byte[] bytes;
using (var stream = new MemoryStream())
{
var serializer = new BinaryFormatter();
serializer.Serialize(stream, figures);
bytes = stream.ToArray();
}
if (!string.IsNullOrWhiteSpace(_appService.Settings.SelectedExtension.AssemblyPath))
{
var descriptor = (IExtensionDescriptor)_appService.PluginLibrary.Get(_appService.Settings.SelectedExtension);
var extension = new ExtensionProxy(descriptor);
using (var input = new MemoryStream(bytes))
{
var output = extension.OnSerialized(input);
if (output != null)
{
using (output)
{
bytes = new byte[output.Length];
output.Seek(0, SeekOrigin.Begin);
output.Read(bytes, 0, (int)output.Length);
}
}
}
}
using (var file = File.Create(figuresPath))
{
file.Write(bytes, 0, bytes.Length);
}
}
catch (Exception ex)
{
_logger.Error($"Failed to save persistance model: {ex.ToString()}");
}
}