public string MoveFiles(String fileId, String folderId)
{
Google.Apis.Drive.v3.DriveService service = GetService();
// Retrieve the existing parents to remove
Google.Apis.Drive.v3.FilesResource.GetRequest getRequest = service.Files.Get(fileId);
getRequest.Fields = "parents";
Google.Apis.Drive.v3.Data.File file = getRequest.Execute();
string previousParents = String.Join(",", file.Parents);
// Move the file to the new folder
Google.Apis.Drive.v3.FilesResource.UpdateRequest updateRequest = service.Files.Update(new Google.Apis.Drive.v3.Data.File(), fileId);
updateRequest.Fields = "id, parents";
updateRequest.AddParents = folderId;
updateRequest.RemoveParents = previousParents;
file = updateRequest.Execute();
if (file != null)
{
return("Success");
}
else
{
return("Fail");
}
}
public override Stream GetStream(string fileName)
{
Google.Apis.Drive.v3.Data.File file = GetFile(fileName);
if (file == null)
{
return(null);
}
Google.Apis.Drive.v3.FilesResource.GetRequest request = GoogleDriveService.Files.Get(file.Id);
MemoryStream memoryStream = new MemoryStream();
request.Download(memoryStream);
return(memoryStream);
}
//Download file from Google Drive by fileId.
public static string DownloadGoogleFile(string fileId)
{
Google.Apis.Drive.v3.DriveService service = GetService();
string FolderPath = System.Web.HttpContext.Current.Server.MapPath("/GoogleDriveFiles/");
Google.Apis.Drive.v3.FilesResource.GetRequest request = service.Files.Get(fileId);
string FileName = request.Execute().Name;
string FilePath = System.IO.Path.Combine(FolderPath, FileName);
MemoryStream stream1 = new MemoryStream();
// Add a handler which will be notified on progress changes.
// It will notify on each chunk download and when the
// download is completed or failed.
request.MediaDownloader.ProgressChanged += (Google.Apis.Download.IDownloadProgress progress) =>
{
switch (progress.Status)
{
case DownloadStatus.Downloading:
{
Console.WriteLine(progress.BytesDownloaded);
break;
}
case DownloadStatus.Completed:
{
Console.WriteLine("Download complete.");
SaveStream(stream1, FilePath);
break;
}
case DownloadStatus.Failed:
{
Console.WriteLine("Download failed.");
break;
}
}
};
request.Download(stream1);
return(FilePath);
}
private void DownloadFile(string fileId, string dest)
{
logger.Debug("file downloading...{0}", fileId);
Google.Apis.Drive.v3.FilesResource.GetRequest request = service.Files.Get(fileId);
var stream = new System.IO.MemoryStream();
// Add a handler which will be notified on progress changes.
// It will notify on each chunk download and when the
// download is completed or failed.
request.MediaDownloader.ProgressChanged +=
(IDownloadProgress progress) =>
{
switch (progress.Status)
{
case DownloadStatus.Downloading:
{
logger.Debug(progress.BytesDownloaded);
break;
}
case DownloadStatus.Completed:
{
logger.Debug("Download complete.");
break;
}
case DownloadStatus.Failed:
{
logger.Debug("Download failed.");
break;
}
}
};
request.Download(stream);
using (var fileStream = System.IO.File.Create(dest))
{
stream.Seek(0, SeekOrigin.Begin);
stream.CopyTo(fileStream);
}
logger.Debug("file downloaded:{0}", dest);
}
/// <summary>
/// Чтение файла из google drive в поток
/// </summary>
/// <param name="id">ид файла</param>
/// <returns>Поток</returns>
public MemoryStream FileRead(string id)
{
if (String.IsNullOrEmpty(id))
{
return(null);
}
if (credential == null)
{
this.Authorize();
}
if (credential != null)
{
using (var service = new DriveService(new BaseClientService.Initializer()
{
HttpClientInitializer = credential,
ApplicationName = ApplicationName,
}))
{
Google.Apis.Drive.v3.FilesResource.GetRequest request = service.Files.Get(id);
MemoryStream stream = new MemoryStream();
request.MediaDownloader.ProgressChanged += (Google.Apis.Download.IDownloadProgress progress) =>
{
if (progress.Status == Google.Apis.Download.DownloadStatus.Completed)
{
}
};
request.Download(stream);
//if (result)
//{
// //int start = 0;
// //int count = (int)stream.Length;
// //value = Encoding.Default.GetString(stream.GetBuffer(), start, count);
//}
return(stream);
}
}
return(null);
}
private static GoogleDriveBaseResult DownloadRequest(Google.Apis.Drive.v3.FilesResource.GetRequest request, System.IO.Stream output)
{
var status = request.DownloadWithStatus(output);
if (status.Status == DownloadStatus.Completed)
{
return(new GoogleDriveBaseResult()
{
IsSucceed = true
});
}
else
{
var result = new GoogleDriveBaseResult();
if (result.FillFromException(status.Exception))
{
return(result);
}
throw status.Exception;
}
}
/// <summary>
/// Realiza copy/paste de un archivo hacia otro directorio
/// </summary>
/// <param name="fileId"></param>
/// <param name="folderId"></param>
/// <returns></returns>
public static string CopyFiles(String fileId, String folderId)
{
// Retrieve the existing parents to remove
Google.Apis.Drive.v3.FilesResource.GetRequest getRequest = service.Files.Get(fileId);
getRequest.Fields = "parents";
Google.Apis.Drive.v3.Data.File file = getRequest.Execute();
// Copy the file to the new folder
Google.Apis.Drive.v3.FilesResource.UpdateRequest updateRequest = service.Files.Update(new Google.Apis.Drive.v3.Data.File(), fileId);
updateRequest.Fields = "id, parents";
updateRequest.AddParents = folderId;
file = updateRequest.Execute();
if (file != null)
{
return("Success");
}
else
{
return("Fail");
}
}
public async Task <int> MoveFile(string fileId, string FolderId)
{
Google.Apis.Drive.v3.FilesResource.GetRequest getRequest = service.Files.Get(fileId);
getRequest.Fields = "parents";
Google.Apis.Drive.v3.Data.File file = getRequest.Execute();
string previousParents = string.Join(",", file.Parents);
Google.Apis.Drive.v3.FilesResource.UpdateRequest updateRequest = service.Files.Update(new Google.Apis.Drive.v3.Data.File(), fileId);
updateRequest.Fields = "parents";
updateRequest.AddParents = FolderId;
updateRequest.RemoveParents = previousParents;
file = updateRequest.Execute();
if (file != null)
{
return(1);
}
else
{
return(0);
}
}
private void DoWork(object sender, DoWorkEventArgs e)
{
CGDTool gdt = new CGDTool();
DriveService driveService = gdt.Authenticate(context);
var fileId = id;
try
{
if (export)
{
var request = driveService.Files.Export(fileId, this.mimetype);
var stream = new System.IO.MemoryStream();
request.MediaDownloader.ProgressChanged +=
(IDownloadProgress progress) =>
{
switch (progress.Status)
{
case DownloadStatus.Downloading:
{
UpateStatus("bytes" + progress.BytesDownloaded, false);
break;
}
case DownloadStatus.Completed:
{
data = stream.ToArray();
UpateStatus("Download complete", true);
break;
}
case DownloadStatus.Failed:
{
UpateStatus("Download failed: " + progress.Exception.Message, true);
break;
}
}
};
request.Download(stream);
}
else
{
var stream = new System.IO.MemoryStream();
// https://docs.google.com/forms/d/171SteVTr-P8HtM5N5p8ftGFlEq_1LVQcTQ2p9yMUmDY/downloadresponses?tz_offset=7200000
Google.Apis.Drive.v3.FilesResource.GetRequest request = driveService.Files.Get(fileId);
request.MediaDownloader.ProgressChanged +=
(IDownloadProgress progress) =>
{
switch (progress.Status)
{
case DownloadStatus.Downloading:
{
UpateStatus("bytes" + progress.BytesDownloaded, false);
break;
}
case DownloadStatus.Completed:
{
data = stream.ToArray();
UpateStatus("Download complete", true);
break;
}
case DownloadStatus.Failed:
{
UpateStatus("Download failed 1: " + progress.Exception.Message, true);
break;
}
}
};
request.Alt = Google.Apis.Drive.v3.DriveBaseServiceRequest <Google.Apis.Drive.v3.Data.File> .AltEnum.Json;
request.Download(stream);
}
}
catch (Exception err)
{
UpateStatus("Download failed 2: " + err.Message, true);
}
}
