public async Task ProcessAsync(Uri uri, Stream outputStream)
{
using (var outputZip = new ZipArchive(outputStream, ZipArchiveMode.Create, leaveOpen: true))
using (var containerBuilder = new ContainerBuilder(outputZip))
{
var stopWatch = new Stopwatch();
stopWatch.Start();
CSVMapping csvMapping = null;
var streamParser = new StreamParser();
var file = _downloader.GetFile(uri);
var zip = _zipProcessor.UnZip(file);
foreach (var zipEntry in zip.Entries)
{
if (!zipEntry.FullName.ToLower().EndsWith(".xml"))
{
continue;
}
using (var inputStream = zipEntry.Open())
using (var stream = new MemoryStream())
{
_transformer.Transform(inputStream, stream);
if (stream.Length == 0)
{
continue;
}
stream.Position = 0;
var data = await streamParser.Parse(stream);
csvMapping = _mappingProvider.GetMappingByData(data);
var serializer = new CsvSerializer(containerBuilder, csvMapping);
await serializer.Serialize(data.ParsedEntities);
}
}
// Add metadata to each archive
if (csvMapping != null)
{
CSVMappingHelper.AddMetadata(outputZip, csvMapping);
}
stopWatch.Stop();
var ts = stopWatch.Elapsed;
var elapsedTime = String.Format("{0:00}:{1:00}:{2:00}.{3:00}",
ts.Hours, ts.Minutes, ts.Seconds, ts.Milliseconds / 10);
}
}
