public static File getfolderid(string foldername)
{
ChildrenResource.ListRequest request = service.Children.List("root");
do
{
try
{
ChildList children = request.Fetch();
foreach (ChildReference child in children.Items)
{
//Console.WriteLine("File Id: " + child.Kind+child.SelfLink);
var file = service.Files.Get(child.Id).Fetch();
if (file.MimeType == mimetype.folder && file.Title == foldername && file.ExplicitlyTrashed != true)
{
return(file);
}
}
request.PageToken = children.NextPageToken;
}
catch (Exception e)
{
Console.WriteLine("An error occurred: " + e.Message);
request.PageToken = null;
return(null);
}
} while (!String.IsNullOrEmpty(request.PageToken));
return(null);
}
/// <summary>
/// thread to dowload temp files
/// </summary>
/// <param name="service"></param>
/// <param name="parentId"></param>
private static void DownloadTempFiles(DriveService service, string parentId)
{
while (true)
{
ChildrenResource.ListRequest request = service.Children.List(parentId);
File file = null;
do
{
try
{
ChildList children = request.Fetch();
foreach (ChildReference child in children.Items)
{
//Console.WriteLine("File Id: " + child.Id);
file = service.Files.Get(child.Id).Fetch();
string title = file.Title.Replace(":", "_");
string id = file.Description.Split(' ')[1];
if (XmlDataLayer.CheckIfTempExists(title) == true || XmlDataLayer.GetDownloadEntry(title) == true || id == XmlDataLayer.GetConfigEntry("pc_id"))
{
continue;
}
try
{
System.IO.Stream tfile = DownloadFile(createAuthenticator(), file);
using (tfile)
{
string filePath = XmlDataLayer.GetUserApplicationDirectory() + "\\Temp\\" + title;
tfile.CopyTo(new System.IO.FileStream(filePath, System.IO.FileMode.Create, System.IO.FileAccess.Write));
XmlDataLayer.SetDownloadEntry(title);
XmlDataLayer x = new XmlDataLayer();
x.CombineRecentResults();
}
Console.WriteLine(title);
}
catch (Exception)
{
UploadDownloadNewFiles(false);
}
//Console.WriteLine(title);
//File file = service.files().get(child.Id).execute();
}
request.PageToken = children.NextPageToken;
}
catch (Exception e)
{
Console.WriteLine("An error occurred: " + e.Message);
request.PageToken = null;
}
} while (!String.IsNullOrEmpty(request.PageToken));
Thread.Sleep(5 * 60 * 1000);
}
}
public static List <File> listfiles(string foldername)
{
File myfolder = getfolderid(foldername);
List <File> filesinfodler = new List <File>();
if (myfolder != null)
{
ChildrenResource.ListRequest request = service.Children.List(myfolder.Id);
do
{
try
{
ChildList children = request.Fetch();
foreach (ChildReference child in children.Items)
{
//Console.WriteLine("File Id: " + child.Kind+child.SelfLink);
File file = service.Files.Get(child.Id).Fetch();
Console.WriteLine("File : " + file.OriginalFilename);
filesinfodler.Add(file);
}
request.PageToken = children.NextPageToken;
}
catch (Exception e)
{
Console.WriteLine("An error occurred: " + e.Message);
request.PageToken = null;
}
} while (!String.IsNullOrEmpty(request.PageToken));
return(filesinfodler);
}
else
{
MessageBox.Show("Folder not found");
return(null);
}
}
public void Children(int folderRequestId,
string folder,
Dispatcher dispatch,
Func <int, FileEntry, int, bool> addEntry)
{
numFilesBeingFetched = 0;
ChildrenResource.ListRequest request = _service.Children.List(folder);
do
{
try
{
ChildList children = request.Fetch();
var expectedCount = children.Items.Count();
foreach (ChildReference child in children.Items)
{
do
{
lock (_thumbDownloaders)
{
if (_thumbDownloaders.Count < 12)
{
break;
}
}
System.Threading.Thread.Sleep(100);
} while (true);
var doContinue = true;
dispatch.Invoke(
new Action(() => { doContinue = addEntry(expectedCount, null, folderRequestId); }));
if (!doContinue)
{
break;
}
do
{
lock (this)
{
if (numFilesBeingFetched < 20)
{
break;
}
}
System.Threading.Thread.Sleep(100);
} while (true);
FilesResource.GetRequest getReq = _service.Files.Get(child.Id);
++numFilesBeingFetched;
getReq.FetchAsync((LazyResult <Google.Apis.Drive.v2.Data.File> response) =>
{
--numFilesBeingFetched;
Google.Apis.Drive.v2.Data.File file = response.GetResult();
doContinue = true;
dispatch.Invoke(
new Action(() => { doContinue = addEntry(expectedCount, null, folderRequestId); }));
if (!doContinue)
{
return;
}
//download thumbnail
if (file.ThumbnailLink != null)
{
if (_thumbCache.ContainsKey(file.Id))
{
dispatch.BeginInvoke(new Action(() =>
{
addEntry(expectedCount,
new FileEntry(file, _thumbCache[file.Id], file.AlternateLink),
folderRequestId);
}));
}
else
{
TaskCompletionSource <byte[]> thumbTaskSrc = null;
lock (_thumbDownloaders)
{
thumbTaskSrc = DownloadThumb(file.ThumbnailLink);
_thumbDownloaders.Add(thumbTaskSrc);
}
thumbTaskSrc.Task.ContinueWith(
(Task <byte[]> thumbTask) =>
{
if (thumbTask.Result != null)
{
dispatch.BeginInvoke(new Action(() =>
{
var thumb = new BitmapImage();
thumb.BeginInit();
thumb.StreamSource = new MemoryStream(thumbTask.Result);
thumb.EndInit();
if (!_thumbCache.ContainsKey(file.Id))
{
_thumbCache.Add(file.Id, thumb);
}
addEntry(expectedCount,
new FileEntry(file, thumb, file.AlternateLink),
folderRequestId);
}));
}
else
{
//thumbnails may be absent
dispatch.BeginInvoke(new Action(() =>
{
addEntry(expectedCount,
new FileEntry(file, GetFileIcon(file),
file.AlternateLink),
folderRequestId);
}));
}
lock (_thumbDownloaders)
_thumbDownloaders.Remove(thumbTaskSrc);
});
}
}
else
{
dispatch.BeginInvoke(new Action(() =>
{
addEntry(expectedCount,
new FileEntry(file, GetFileIcon(file), file.AlternateLink),
folderRequestId);
}));
}
});
}
request.PageToken = children.NextPageToken;
}
catch (Exception e)
{
Console.WriteLine("An error occurred: " + e.Message);
request.PageToken = null;
}
var doContinue2 = true;
dispatch.Invoke(new Action(() => { doContinue2 = addEntry(1, null, folderRequestId); //1 anything != 0
}));
if (!doContinue2)
{
break;
}
} while (!String.IsNullOrEmpty(request.PageToken));
}
/// <summary>
/// makes directory on google drive if it does not exist
/// </summary>
/// <param name="service"></param>
/// <param name="folder"></param>
/// <param name="parentId"></param>
/// <returns></returns>
private static File makeDirectoryIfNotExists(DriveService service, string folder, string parentId)
{
ChildrenResource.ListRequest request = service.Children.List(parentId);
bool folderExists = false;
File file = null;
do
{
try
{
ChildList children = request.Fetch();
foreach (ChildReference child in children.Items)
{
//Console.WriteLine("File Id: " + child.Id);
file = service.Files.Get(child.Id).Fetch();
string title = file.Title;
Console.WriteLine(title);
if (title == folder)
{
folderExists = true;
break;
}
//Console.WriteLine(title);
//File file = service.files().get(child.Id).execute();
}
request.PageToken = children.NextPageToken;
}
catch (Exception e)
{
Console.WriteLine("An error occurred: " + e.Message);
request.PageToken = null;
}
} while (!String.IsNullOrEmpty(request.PageToken));
if (folderExists)
{
return(file);
}
File body = new File();
body.Title = folder;
body.Description = "PCTrack_id " + XmlDataLayer.GetConfigEntry("id");
body.MimeType = "application/vnd.google-apps.folder";
// Set the parent folder.
if (!String.IsNullOrEmpty(parentId))
{
body.Parents = new List <ParentReference>()
{
new ParentReference()
{
Id = parentId
}
};
}
try
{
file = service.Files.Insert(body).Fetch();
return(file);
}
catch (Exception e)
{
Console.WriteLine("An error occurred: " + e.Message);
return(null);
}
}