public static async Task UploadFileAsync(string file, string parent)
{
// If modifying these scopes, delete your previously saved credentials
// at ~/.credentials/drive-dotnet-quickstart.json
string[] Scopes = { DriveService.Scope.Drive };
const string ApplicationName = "Google Drive Uploader";
UserCredential credential;
using (var stream =
new FileStream(Config.Get("Google.JSON"), FileMode.Open, FileAccess.Read))
{
credential = await GoogleWebAuthorizationBroker.AuthorizeAsync(
GoogleClientSecrets.Load(stream).Secrets,
Scopes,
"user",
CancellationToken.None);
}
// Create Drive API service.
using (var service = new DriveService(new BaseClientService.Initializer()
{
HttpClientInitializer = credential,
ApplicationName = ApplicationName,
}))
{
// Define parameters of request.
var fileName = Path.GetFileName(file);
var mimeType = MimeMapping.GetMimeMapping(file);
var id = service.FindIdByNameAndMimeType(fileName, mimeType, parent);
if (id.IsNullOrEmpty())
{
var body = new Google.Apis.Drive.v3.Data.File
{
Name = fileName,
MimeType = mimeType,
Description = string.Format("Last backuped at: {0}", DateTime.Now),
Parents = new List <string>()
{
parent
},
};
using (var fileStream = new FileStream(file, FileMode.Open))
{
var request = service.Files.Create(body, fileStream, mimeType);
request.Upload();
}
}
else
{
var body = new Google.Apis.Drive.v3.Data.File();
using (var fileStream = new FileStream(file, FileMode.Open))
{
var request = service.Files.Update(body, id, fileStream, mimeType);
request.Upload();
}
}
}
}
