private async Task <List <StorageFile> > retrievegoalImageDataFromCloud(OneDriveStorageFolder imageFolder, StorageFolder localFolder)
{
var localImageFolder = await localFolder.GetFolderAsync("ImageFolder");
List <StorageFile> newGoalImageData = new List <StorageFile>();
List <OneDriveStorageFile> cloudImageFiles = await imageFolder.GetFilesAsync();
foreach (var cloudImageFile in cloudImageFiles)
{
using (var cloudFileStream = await cloudImageFile.OpenAsync())
{
byte[] buffer = new byte[cloudFileStream.Size];
var localBuffer = await cloudFileStream.ReadAsync(buffer.AsBuffer(), (uint)cloudFileStream.Size, InputStreamOptions.ReadAhead);
var newGoalImageFile = await localImageFolder.CreateFileAsync($"{cloudImageFile.Name}", CreationCollisionOption.ReplaceExisting);
using (var localStream = await newGoalImageFile.OpenAsync(FileAccessMode.ReadWrite))
{
await localStream.WriteAsync(localBuffer);
await localStream.FlushAsync();
}
newGoalImageData.Add(newGoalImageFile);
}
}
return(newGoalImageData);
}
public async static Task <bool> checkIfImageFolderIsEmpty(OneDriveStorageFolder imageFolder)
{
bool isImageFolderEmpty = true;
var listOfItems = new List <OneDriveStorageFile>();
try
{
listOfItems = await imageFolder.GetFilesAsync();
if (listOfItems.Count > 0)
{
isImageFolderEmpty = false;
}
}
catch (Exception)
{
}
return(isImageFolderEmpty);
}