public static async Task SaveDataAsync()
{
var localData = await GetDataAsync();
var id = await GetFileIdAsync();
var service = await DriveServiceSingleton.GetServiceAsync();
var dataStream = new MemoryStream();
new XmlSerializer(typeof(Data)).Serialize(dataStream, localData);
dataStream.Position = 0;
var file = new Google.Apis.Drive.v3.Data.File()
{
Name = DataFileName
};
IUploadProgress res;
if (id == null)
{
file.Parents = new[] { DriveSpace };
res = await service.Files.Create(file, dataStream, DataMime).UploadAsync();
}
else
{
res = await service.Files.Update(file, id, dataStream, DataMime).UploadAsync();
}
if (res.Status == UploadStatus.Failed)
{
throw res.Exception;
}
}
private static async Task <string> GetFileIdAsync()
{
var listReq = (await DriveServiceSingleton.GetServiceAsync()).Files.List();
listReq.Q = $"name='{DataFileName}'";
listReq.Spaces = DriveSpace;
var list = await listReq.ExecuteAsync();
return(list.Files.Count > 0 ? list.Files[0].Id : null);
}
private static async Task <Data> DownloadDataAsync(string id)
{
await using var dataStream = new MemoryStream();
var res = await(await DriveServiceSingleton.GetServiceAsync())
.Files.Get(id).DownloadAsync(dataStream);
if (res.Status == DownloadStatus.Failed)
{
throw res.Exception;
}
dataStream.Position = 0;
return((Data) new XmlSerializer(typeof(Data)).Deserialize(dataStream));
}