public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) {
DocumentEntity entity = value as DocumentEntity;
if(!entity.IsNullOrEmpty()) {
Syncable sync = dbManager.Syncables.FirstOrDefault(x => x.RemoteID == entity.DocumentID);
return !sync.IsNullOrEmpty();
}
return false;
}
public static IObservable <FileInfo> ToFile(this IObservable <Stream> source, Syncable syncable)
{
if (source.IsNullOrEmpty())
{
return(Observable.Never <FileInfo>());
}
return(source.SelectMany(inp => {
//creates directory for file path if the directory is not exists.
string directory = Path.GetDirectoryName(syncable.LocalPath);
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
//check file
FileInfo outp = new FileInfo(syncable.LocalPath);
//delete if there is any such file
if (outp.Exists)
{
outp.Delete();
}
using (FileStream output = File.Create(outp.FullName))
using (GZipStream compress = new GZipStream(inp, CompressionMode.Decompress)) {
//create stream and copy
compress.CopyTo(output);
//close compression
compress.Close();
output.Close();
//retrun observable
return Observable.Return(new FileInfo(syncable.LocalPath));
}
}));
}