public static IList <Tuple <IDownloadableResourceFile, String> > pickDownloads(IEnumerable <KeyValuePair <String, List <IDownloadableResourceFile> > > downloadMappings, IWin32Window ownerWindow)
{
using (DownloadPicker downloadPicker = new DownloadPicker(downloadMappings)) {
if (DialogResult.OK != downloadPicker.ShowDialog(ownerWindow))
{
return(null);
}
return(downloadPicker.downloadableResourceFileListView.listChecked());
}
}
internal void downloadAllNotDownloadedWith(IDownloader downloader, String downloadsDirectoryPath)
{
IEnumerable <IDownloadableResourceFileCollection> available = null;
IndefiniteProcessingForm.process(
(cancellationRequestedChecker, log) => {
log.WriteLine("Searching for new content...");
// TODO: consider re-writing enumerateResourceFileCollections to be lazily consumable, could perhaps avert the need for a cancellation checker?
available = downloader.enumerateResourceFileCollections(cancellationRequestedChecker, log);
return(false);
},
"Searching...",
this
);
if (available.isNullOrEmpty())
{
return;
}
IEnumerable <KeyValuePair <String, List <IDownloadableResourceFile> > > notDownloaded = available.map().enumerateNotDownloaded(downloadsDirectoryPath);
if (!notDownloaded.Any())
{
this.inform("All files checked are up-to-date.", "Downloads");
return;
}
IList <Tuple <IDownloadableResourceFile, String> > picks = DownloadPicker.pickDownloads(notDownloaded, this);
if (picks.isNullOrEmpty())
{
return;
}
long downloadedByteCount = 0;
long totalByteCount = picks.Select(t => t.Item1.size).Sum();
BatchProcessingForm <Tuple <IDownloadableResourceFile, String> > .process(
picks,
(tuple, log) => {
IDownloadableResourceFile downloadableResourceFile = tuple.Item1;
String relativeFilePath = tuple.Item2;
log.WriteLine("Downloading: \"{0}\"", downloadableResourceFile.name);
FileInfo fileInfo = new FileInfo(Path.Combine(downloadsDirectoryPath, relativeFilePath));
fileInfo.Directory.Create();
if (!downloader.download(downloadableResourceFile, fileInfo.FullName))
{
Console.Error.WriteLine("Downloading of uri: {0} failed", downloadableResourceFile);
if (fileInfo.Exists)
{
Console.Error.WriteLine("Deleting partially downloaded file: {0}", fileInfo.FullName);
fileInfo.Delete();
}
return(-1);
}
downloadedByteCount += downloadableResourceFile.size;
return((int)(Math.Ceiling((Double)(downloadedByteCount) / (Double)(totalByteCount) * 100d)));
},
"Downloading...",
"{0}% downloaded",
this
);
}
