public async Task<Info> GetInfo(IStorageFolder folder)
{
Info retval = null;
bool found = true;
StorageFile info = null;
try
{
info = await folder.GetFileAsync("Info.info");
}
catch(FileNotFoundException fnf)
{
found = false;
}
if (!found)
{
retval = Info.New();
await SaveInfo(folder, retval);
}
else
{
using(var infoStream = await info.OpenReadAsync())
using(Stream stream = infoStream.AsStream())
{
XDocument document = XDocument.Load(stream);
retval = new Info(document);
}
}
return retval;
}
public async Task SaveInfo(IStorageFolder folder, Info info)
{
Stream stream = new MemoryStream();
info.Document.Save(stream);
stream.Position = 0;
await WriteFile("Info.info", folder, stream);
}
public DatabaseInfo(IStorageFolder folder, Info info)
{
Folder = folder;
Info = info;
}
