/// <summary>
/// This Method takes in a parent directory as parameter.
/// Lists all the sub-directories and adds them to the parent directory.
/// Lists all the files and adds them to the parent directory.
/// </summary>
public void GetFiles(DirectoryBlock parentDirectory)
{
using (DriveService service = DriveClient.GetInfo())
{
try
{
FilesResource.ListRequest listRequest = service.Files.List();
listRequest.Q = "'" + parentDirectory.id + "' in parents and trashed = false";
listRequest.OrderBy = "name";
listRequest.Fields = "nextPageToken, files" +
"(id, name, mimeType, permissions, webContentLink, description, size, shared, owners, parents)";
Google.Apis.Drive.v3.Data.FileList ListResponse = listRequest.Execute();
while (ListResponse.Files != null && ListResponse.Files.Count != 0)
{
List <Task> tasks = new List <Task>();
foreach (var item in ListResponse.Files)
{
tasks.Add(Task.Run(() => AddToParentDirectoryObject(item, parentDirectory)));
}
Task.WaitAll(tasks.ToArray());
if (ListResponse.NextPageToken == null)
{
break;
}
listRequest.PageToken = ListResponse.NextPageToken;
ListResponse = listRequest.Execute();
}
}
catch (Exception e)
{
throw new Exception(e.StackTrace);
}
}
}
public async Task DeleteAllFiles(string fileId)
{
using (var client = DriveClient.GetInfo())
{
FilesResource.ListRequest listRequest = client.Files.List();
listRequest.Q = "'" + fileId + "' in parents and trashed = false";
listRequest.OrderBy = "name";
//listRequest.Fields = "nextPageToken, files" +
// "(id, name, mimeType, permissions, webContentLink, description, size, shared, owners, parents)";
Google.Apis.Drive.v3.Data.FileList ListResponse = listRequest.Execute();
while (ListResponse.Files != null)
{
List <Task> tasks = new List <Task>();
foreach (var item in ListResponse.Files)
{
tasks.Add(Task.Run(() => client.Files.Delete(item.Id).Execute()));
}
Task.WaitAll(tasks.ToArray());
if (ListResponse.NextPageToken == null)
{
break;
}
listRequest.PageToken = ListResponse.NextPageToken;
ListResponse = listRequest.Execute();
}
}
}
public static Google.Apis.Drive.v3.Data.FileList DeleteAfter30(DriveService service, FilesListOptionalParms optional = null)
{
DateTime ThirtyDayBeforeToday = DateTime.Now.AddDays(-30);
try
{
// Initial validation.
if (service == null)
{
throw new ArgumentNullException("service");
}
// Building the initial request.
var request = service.Files.List();
// Applying optional parameters to the request.
request.Fields = "nextPageToken, files(createdTime ,id, name, mimeType)";
var pageStreamer = new Google.Apis.Requests.PageStreamer <Google.Apis.Drive.v3.Data.File, FilesResource.ListRequest, Google.Apis.Drive.v3.Data.FileList, string>(
(req, token) => request.PageToken = token,
response => response.NextPageToken,
response => response.Files);
var allFiles = new Google.Apis.Drive.v3.Data.FileList();
allFiles.Files = new List <Google.Apis.Drive.v3.Data.File>();
foreach (var result in pageStreamer.Fetch(request))
{
if (result.MimeType != "application/vnd.google-apps.folder")
{
if (result.CreatedTime < ThirtyDayBeforeToday)
{
service.Files.Delete(result.Id).Execute();
}
else
{
Console.WriteLine("Data sie zgdza");
}
}
else
{
Console.WriteLine("Nie usunięto");
}
}
return(allFiles);
}
catch (Exception Ex)
{
throw new Exception("Request Files.List failed.", Ex);
}
}
private async Task <string> FindFile(DriveService service, Func <GoogleData.File, bool> predicate)
{
FilesResource.ListRequest listRequest = service.Files.List();
GoogleData.FileList fileList = await listRequest.ExecuteAsync().ConfigureAwait(false);
foreach (GoogleData.File file in fileList.Files)
{
if (predicate(file))
{
return(file.Id);
}
}
return(string.Empty);
}
public void PrettyPrint(DriveService service, Google.Apis.Drive.v3.Data.FileList list, string indent)
{
//Array.Clear(nams, 0, 30);
foreach (var item in list.Files.OrderBy(a => a.Name))
{
ids[ty] = item.Id;
nams[ty] = (/*string.Format("{0}|-{1}", indent, */ item.Name);
ty++;
/*if (item.MimeType == "application/vnd.google-apps.folder")
* {
* var ChildrenFiles = ListAll(service, new FilesListOptionalParms { Q = string.Format("('{0}' in parents)", item.Id), PageSize = 1000 });
* PrettyPrint(service, ChildrenFiles, indent + " ");
* }*/
}
}
/// <summary>
/// 取得檔案清單
/// Documentation List: https://developers.google.com/drive/v2/reference/files/list
/// Documentation Search: https://developers.google.com/drive/web/search-parameters
/// </summary>
/// <param name="searchPattern">搜尋條件</param>
/// <returns></returns>
public static List <GData.File> List(DriveService _service, string searchPattern = "*")
{
List <GData.File> result = new List <GData.File>();
try
{
FilesResource.ListRequest request = _service.Files.List();
request.PageSize = 1000;
request.Fields = "nextPageToken, files(id, name,parents,mimeType,size,capabilities,modifiedTime,webViewLink,webContentLink)";
//request.MaxResults = 1000;
if (searchPattern != "*")
{
request.Q = searchPattern;
}
GData.FileList filesFeed = request.Execute();
// 判斷資料是否回傳結束
while (filesFeed.Files != null)
{
// add to the list
result.AddRange(filesFeed.Files);
if (filesFeed.NextPageToken != null)
{
// 若有下一頁，繼續
request.PageToken = filesFeed.NextPageToken;
// 執行 NextPage 的 request
filesFeed = request.Execute();
}
else
{
// 若沒有下一頁，結束
break;
}
}
}
catch (Exception ex)
{
throw;
}
return(result);
}
/// <summary>
/// Lists or searches files.
/// Documentation https://developers.google.com/drive/v3/reference/files/list
/// Generation Note: This does not always build correctly. Google needs to standardize things I need to figure out which ones are wrong.
/// </summary>
/// <param name="service">Authenticated Drive service. </param>
/// <param name="optional">The optional parameters. </param>
/// <returns>FileListResponse</returns>
///
public static Google.Apis.Drive.v3.Data.FileList ListAll(DriveService service, FilesListOptionalParms optional = null)
{
try
{
// Initial validation.
if (service == null)
{
throw new ArgumentNullException("service");
}
// Building the initial request.
var request = service.Files.List();
// Applying optional parameters to the request.
request = (FilesResource.ListRequest)SampleHelpers.ApplyOptionalParms(request, optional);
var pageStreamer = new Google.Apis.Requests.PageStreamer <Google.Apis.Drive.v3.Data.File, FilesResource.ListRequest, FileList, string>(
(req, token) => request.PageToken = token,
response => response.NextPageToken,
response => response.Files);
var allFiles = new Google.Apis.Drive.v3.Data.FileList();
allFiles.Files = new List <Google.Apis.Drive.v3.Data.File>();
foreach (var result in pageStreamer.Fetch(request))
{
allFiles.Files.Add(result);
}
return(allFiles);
}
catch (Exception Ex)
{
throw new Exception("Request Files.List failed.", Ex);
}
}
static int Main(string[] args)
{
if (args.Length == 0)
{
System.Console.WriteLine("Please enter a location to save the files from Google Drive Trash.");
return(0);
}
UserCredential credential;
string location = args[0].ToString();
using (var stream =
new FileStream("credentials.json", FileMode.Open, FileAccess.Read))
{
// The file token.json stores the user's access and refresh tokens
// It is created automatically when the authorization flow completes for the first time
string credPath = "token.json";
credential = GoogleWebAuthorizationBroker.AuthorizeAsync(
GoogleClientSecrets.Load(stream).Secrets,
Scopes,
"user",
CancellationToken.None,
new FileDataStore(credPath, true)).Result;
Console.WriteLine("Credential file saved to: " + credPath);
}
// Create Drive API service.
var service = new DriveService(new BaseClientService.Initializer()
{
HttpClientInitializer = credential,
ApplicationName = ApplicationName,
});
List <Google.Apis.Drive.v3.Data.File> files = new List <Google.Apis.Drive.v3.Data.File>();
Console.WriteLine("Date and Time: " + DateTime.Now);
Console.WriteLine("Looking for files...");
int retryNumber = 0;
int totalFileNumber = 0;
Google.Apis.Drive.v3.Data.FileList result = null;
while (true)
{
if (result != null && string.IsNullOrWhiteSpace(result.NextPageToken))
{
break;
}
FilesResource.ListRequest listRequest = service.Files.List();
listRequest.PageSize = 1000;
listRequest.Fields = "nextPageToken, files(id, name, trashed, fullFileExtension, size)";
if (result != null)
{
listRequest.PageToken = result.NextPageToken;
}
try
{
result = listRequest.Execute();
}
catch (Exception e)
{
Console.WriteLine("Error calling Google API. Trying again.");
Console.WriteLine(e.Message);
Console.WriteLine();
retryNumber++;
if (retryNumber < 3)
{
Thread.Sleep(5000); // Pause 10 seconds
result = listRequest.Execute();
}
else
{
retryNumber = 0;
continue;
}
}
totalFileNumber = totalFileNumber + 1000;
files.AddRange(result.Files);
Console.WriteLine("Added 1000 files... Looking for more. Total Files: " + totalFileNumber.ToString());
}
//Persist List of Files
try
{
Console.WriteLine(">------------ Begin Saving List to the Hard Disk <------------");
WriteToJsonFile(string.Format(@location + "{0}", "ListOfFiles"), files, false);
Console.WriteLine(">------------ End Saving List to the Hard Disk <------------");
}
catch { }
Console.WriteLine(files.Count.ToString() + " Total Files Found in GDrive.");
Console.WriteLine("Date and Time: " + DateTime.Now);
Console.WriteLine();
bool trashflag = false;
List <Google.Apis.Drive.v3.Data.File> trashfiles = new List <Google.Apis.Drive.v3.Data.File>();
string[] lines = { };
int filesizeMB = 0;
List <String> filenameslist = new List <String>();
try
{
if (files != null && files.Count > 0)
{
foreach (var file in files)
{
try
{
trashflag = (bool)file.Trashed;
}
catch
{
trashflag = false;
}
if (trashflag)
{
trashfiles.Add(file);
filesizeMB = 0; // int.Parse(file.Size.ToString()) / 1000;
Console.WriteLine("[TRASH - ] {0} ({1}), {2}, {3} Kb ({4} MB)", file.Name, file.Id, file.FileExtension, file.Size, filesizeMB);
filenameslist.Add(file.Name + "," + file.Id);
try
{
if (System.IO.File.Exists(string.Format(@location + "{0}", file.Name)))
{
//Console.WriteLine("File exists locally...Skipped.");
}
else
{
Console.WriteLine("File does not exist locally. Downloading.");
//If it fails , try again once
try
{
DownloadFile(service, file, string.Format(@location + "{0}", file.Name));
}
catch (Exception e)
{
if (e.Message.Contains("Download failed."))
{
DownloadFile(service, file, string.Format(@location + "{0}", file.Name));
}
if (e.Message.Contains("binary"))
{
Console.WriteLine("Skipping Non-Binary File.");
}
}
}
}
catch
{
Console.WriteLine("Could not download {0}", file.Name);
}
}
else
{
//Console.WriteLine("{0} ({1}), {2}, {3}Kb", file.Name, file.Id, file.FileExtension, file.Size);
}
}
}
else
{
Console.WriteLine("No files found.");
}
}
catch { }
Console.WriteLine();
Console.WriteLine("Writing list of files in the trash to a text file.");
System.IO.File.WriteAllLines(@location + "WriteLinesFinal.txt", filenameslist);
Console.WriteLine();
Console.WriteLine("Done. Press Any Key.");
Console.Read();
return(0);
}
