/// <inheritdoc cref="DownloadFile" />
/// <param name="mimeType">
/// MIME type which is used to get correct extension for file.
/// </param>
private void ExportFile(string fileId, string saveTo, string mimeType)
{
using var stream = new MemoryStream();
FilesResource.ExportRequest request = GoogleDriveService.Files.Export(fileId, mimeType);
request.MediaDownloader.ProgressChanged +=
progress => ProgressChanged_Callback(progress, stream, saveTo, mimeType);
request.Download(stream);
}
//Download file from Google Drive by fileId.
public static string DownloadGoogleFile(string fileId)
{
DriveService service = GetService();
string FolderPath = System.Web.HttpContext.Current.Server.MapPath("/GoogleDriveFiles/");
FilesResource.GetRequest FileRequest = service.Files.Get(fileId);
string FileName = FileRequest.Execute().Name;
string FilePath = System.IO.Path.Combine(FolderPath, FileName);
MemoryStream stream1 = new MemoryStream();
// Convert Google Document to Word Document
FilesResource.ExportRequest request = service.Files.Export(fileId, "application/vnd.openxmlformats-officedocument.wordprocessingml.document");
// 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);
}
public void DownloadGoogleDoc(string fileId)
{
DriveService service = GetService();
MemoryStream stream = new MemoryStream();
FilesResource.GetRequest FileRequest = service.Files.Get(fileId);
//string FileName = FileRequest.Execute().Name;
string FilePath = HttpContext.Current.Server.MapPath("~/Files/" + fileId + ".docx");
// Convert Google Document to Word Document
FilesResource.ExportRequest request = service.Files.Export(fileId, "application/vnd.openxmlformats-officedocument.wordprocessingml.document");
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(stream, FilePath);
break;
}
case DownloadStatus.Failed:
{
Console.WriteLine("Download failed.");
break;
}
}
};
request.Download(stream);
}
public static bool?GetDataoInit(ref UserCredential credential)
{
FilesResource.ListRequest listRequest;
DriveService service;
IList <Google.Apis.Drive.v3.Data.File> files;
//Создаем сервис запроса на гугл диск
service = new DriveService(new BaseClientService.Initializer()
{
HttpClientInitializer = credential,
ApplicationName = "datao",
});
//Определяем параметры запроса
listRequest = service.Files.List();
listRequest.PageSize = 50;
listRequest.Fields = "nextPageToken, files(id, name)";
try
{
//Лист айдишников файлов
files = listRequest.Execute()
.Files;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
MessageBox.Show("Offline mode");
return(false);
}
if (files != null && files.Count > 0)
{
foreach (var file in files)
{
if (file.Name == "datao.init")
{
FilesResource.ExportRequest request = null;
MemoryStream stream = null;
try
{
//Загружаем с драйва datao.init
request = service.Files.Export(file.Id, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
stream = new MemoryStream();
request.Download(stream);
}
catch (Exception ex)
{
MessageBox.Show("Произошла ошибка при загрузке datao.init");
return(false);
}
finally
{
if (stream != null)
{
//Сохраняем локально
byte[] fileFromServer = stream.ToArray();
try
{
File.WriteAllBytes(@"..\..\datao.init.xlsx", fileFromServer);
} catch (IOException ex)
{
Debug.WriteLine(ex.Message);
MessageBox.Show("Произошла ошибка при записи таблицы на диск\n " + ex.Message);
}
stream.Close();
//Сохраняем ссылку на текущий datao.init файл, для последующего его удаления
DataoID = file.Id;
}
}
return(true);
}
}
}
//Если же не нашли datao.init
DialogResult dialogResult = MessageBox.Show("Do you want to use our template?\n(Also upload to Drive, if available)", "No datao.init file found!", MessageBoxButtons.YesNo);
if (dialogResult == DialogResult.Yes)
{
//Процедура закачки
var fileMetadata = new Google.Apis.Drive.v3.Data.File();
fileMetadata.Name = "datao.init";
fileMetadata.MimeType = "application/vnd.google-apps.spreadsheet";
FilesResource.CreateMediaUpload _request;
//TODO: Путь до локальной таблицы-шаблона
using (var _stream = new FileStream("example.init.xlsx",
FileMode.Open))
{
_request = service.Files.Create(
fileMetadata, _stream, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
_request.Fields = "id";
_request.Upload();
}
MessageBox.Show("Успешно!");
//загрузить с диска
return(false);
}
//Закрываем программу в случае отрицательного ответа
return(null);
}
