private static void DownloadFile(string fileId, string targetDirectory)
{
FilesResource.GetRequest request = driveService.Files.Get(fileId);
request.Fields = "size,name,id,md5Checksum";
GoogleFile fileinfo = request.Execute();
var stream = new MemoryStream();
IDownloadProgress progress = request.DownloadWithStatus(stream);
EditorCoroutineUtility.StartCoroutine(DownloadRoutine(progress, stream, fileId, fileinfo.Name, fileinfo.Size.Value, targetDirectory), Instance);
WriteTasks.TryAdd(fileId, false);
}
public GoogleDriveManagerResult DownloadFile(DriveService service, string fileId)
{
result = new GoogleDriveManagerResult();
try
{
FilesResource.GetRequest request = service.Files.Get(fileId);
Google.Apis.Drive.v3.Data.File response = request.Execute();
string FileName = response.Name;
result.GoogleDriveFilePath = Path.Combine(GoogleDriveConfig.DownloadsFolderPath, FileName);
MemoryStream stream = new MemoryStream();
request.MediaDownloader.ProgressChanged += (IDownloadProgress progress) =>
{
switch (progress.Status)
{
case DownloadStatus.Downloading:
{
WriteToConsole(GoogleDriveManagementConstants.DownloadInProgressStatus + progress.BytesDownloaded);
break;
}
case DownloadStatus.Completed:
{
WriteToConsole(GoogleDriveManagementConstants.DownloadCompleteStatus);
SaveStream(stream, result.GoogleDriveFilePath);
break;
}
case DownloadStatus.Failed:
{
WriteToConsole(GoogleDriveManagementConstants.DownloadFailedStatus);
break;
}
}
};
ServicePointManager.ServerCertificateValidationCallback =
delegate(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
{
return(true);
};
request.DownloadWithStatus(stream);
return(result);
}
catch (Exception e)
{
result.Exceptions.Add(e);
WriteToConsole(GoogleDriveManagementConstants.DownloadFileException + e.Message);
return(result);
}
}
public AttemptResult ReadFileIntoStream(string id, Stream stream)
{
FilesResource.GetRequest request = drive_service.Files.Get(id);
try
{
request.DownloadWithStatus(stream);
}
catch (Google.GoogleApiException exception)
{
return(exception.Error.GetAttemptResult());
}
return(AttemptResult.Succeeded);
}
/// <summary>
/// It starts downloading the files. It uses yield for return.
/// </summary>
public override IEnumerable <string> StartStream()
{
long byteStatus = 0;
while (streamableFiles.Count != 0)
{
DownloadableFile file = streamableFiles.Dequeue();
FilesResource.GetRequest request = Service.Files.Get(file.GDFile.Id);
string filePath = "";
using (MemoryStream stream = new MemoryStream())
{
request.MediaDownloader.ProgressChanged += (IDownloadProgress progress) =>
{
switch (progress.Status)
{
case DownloadStatus.Downloading:
{
CallStreamStatusEvent(byteStatus + progress.BytesDownloaded);
break;
}
case DownloadStatus.Completed:
{
StreamdableBytes -= progress.BytesDownloaded;
byteStatus += progress.BytesDownloaded;
CallStreamStatusEvent(byteStatus);
filePath = SaveFile(stream, file);
break;
}
case DownloadStatus.Failed:
{
throw new Exception("Failed to download file");
}
}
};
request.DownloadWithStatus(stream);
}
yield return(filePath);
}
}
/// <summary>
/// Used to download the given file from Google Drive.
/// </summary>
/// <param name="file">The file to download</param>
/// <returns>A stream for the downloaded file or null if the file couldn't be found</returns>
public MemoryStream GetGoogleDriveFileStream(GoogleDriveData.File file)
{
// Get the Google Drive service
DriveService driveService = GetDriveService();
// Prepare the download request
FilesResource.GetRequest getRequest = driveService.Files.Get(file.Id);
getRequest.MediaDownloader.ProgressChanged += GetGoogleDriveFileStream_ProgressChanged;
// Download the file
MemoryStream downloadStream = new MemoryStream();
getRequest.DownloadWithStatus(downloadStream);
// Go back to the start of the stream
downloadStream.Seek(0, SeekOrigin.Begin);
return(downloadStream);
}
//Download file from Google Drive by fileId.
public string DownloadGoogleFile(string fileId)
{
var CSPath = Directory.GetParent(Directory.GetParent(Directory.GetParent(Directory.GetCurrentDirectory()).FullName).FullName).FullName;
var FolderPath = Path.Combine(CSPath, @"DAL\GoogleDriveFiles");
FilesResource.GetRequest request = service.Files.Get(fileId);
string FileName = request.Execute().Name;
string FilePath = Path.Combine(FolderPath, FileName) + @".jpg";
MemoryStream stream = 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 += (IDownloadProgress progress) =>
{
switch (progress.Status)
{
case DownloadStatus.Downloading:
{
break;
}
case DownloadStatus.Completed:
{
SaveStream(stream, FilePath);
break;
}
case DownloadStatus.Failed:
{
break;
}
}
};
var a = request.DownloadWithStatus(stream);
return(FilePath);
}
