public static Dictionary <string, string> GetKindleList()
{
/* If Kindle is not connected, it will use the list of IDs stored from the last time it was.
* Returns a dictionary in the format:
* Dictionary
* {
* MD5 hash: Filepath
* }
*/
Dictionary <string, string> fileHashes = new Dictionary <string, string>();
var progressWindow = new ProgressWindow();
progressWindow.Show();
progressWindow.StopProgress();
Task.Factory.StartNew(() =>
{
foreach (DriveInfo drive in DriveInfo.GetDrives())
{
string driveName = drive.IsReady ? drive.VolumeLabel : null; // Makes sure we only try to query mounted drives
if (driveName != null && driveName.Contains("Kindle")) // TODO more robust Kindle detection
{
// Kindle is connected, get current library
progressWindow.ChangeText("Locating Kindle contents...");
string[] kindleFiles = FileTools.Walker(new List <string> {
drive.Name
});
progressWindow.SetProgressBarMax(kindleFiles.Length);
progressWindow.StartProgress();
progressWindow.ChangeText("Processing Kindle files...");
foreach (string file in kindleFiles)
{
string ext = Path.GetExtension(file);
if (ext.StartsWith("."))
{
ext = ext.Substring(1);
}
if (Constants.AllowedExt.Contains(ext))
{
string workHash = WorkIdent.Hash(file);
fileHashes[workHash] = file;
}
progressWindow.UpdateProgressBar();
}
MiddleDude.StoreKindle(fileHashes);
}
}
});
progressWindow.Close();
Console.WriteLine("Kindle fetch complete!");
try
{
fileHashes = MiddleDude.LoadKindle();
return(fileHashes);
}
catch (InvalidOperationException)
{
return(fileHashes);
}
}
private string DownloadEbook(String downloadUrl)
{
if (!CreateFolder(userSettings.DownloadLocation))
{
return(null);
}
int attempts = 0;
bool fileDownloaded = false;
string filename;
Uri uri = new Uri(downloadUrl);
string work_id = uri.Segments[2];
work_id = work_id.Remove(work_id.Length - 1);
string downloadUrlClean = uri.GetLeftPart(UriPartial.Path);
filename = FileTools.ToAllowedFileName(uri.Segments.Last());
filename = $"{work_id}-{filename}";
filename = $"{userSettings.DownloadLocation}/{filename}";
if (File.Exists(filename))
{
// TODO popup window to allow for replacing existing file? checkbox to enable/disable feature?
Log("This file already exists, skipping...");
return(null);
}
do
{
var doneEvent = new AutoResetEvent(false); // TODO dispose
using (var w = new WebClient())
{
w.DownloadFileCompleted += (s, e) =>
{
AttemptCooldown(attempts);
attempts++;
if (!e.Cancelled && e.Error == null)
{
fileDownloaded = true;
}
else if (!e.Cancelled && e.Error != null)
{
if (attempts < userSettings.DownloadMaxAttempts)
{
Log($"Failed to download {downloadUrl}, retrying...");
}
else
{
Log($"Failed to download {downloadUrl}, max retries reached.");
}
}
doneEvent.Set();
};
lock (this.pendingDownloads)
{
if (this.userCancel)
{
return(null);
}
this.pendingDownloads.Add(w);
w.DownloadFileAsync(new Uri(downloadUrl), filename);
}
doneEvent.WaitOne();
lock (this.pendingDownloads)
{
downloadedFiles.Add(filename);
this.pendingDownloads.Remove(w);
}
}
}while (!fileDownloaded && attempts < userSettings.DownloadMaxAttempts);
return(filename);
}
