public async IAsyncEnumerable <ChildrenItem> GetChildrenAsync(ChildrenMode mode, string prefixDir)
{
for (var request = new ListObjectsRequest
{
BucketName = myBucketName,
Prefix = string.IsNullOrEmpty(prefixDir) ? null : prefixDir.NormalizeLinux() + '/'
};;)
{
var response = await myS3Client.ListObjectsAsync(request);
foreach (var s3Object in response.S3Objects.Where(IsUserFile))
{
yield return(new ChildrenItem
{
Name = s3Object.Key.NormalizeSystem(),
Size = (mode & ChildrenMode.WithSize) != 0 ? s3Object.Size : -1
});
}
request.Marker = response.NextMarker;
if (!response.IsTruncated)
{
break;
}
}
}
public async IAsyncEnumerable <ChildrenItem> GetChildrenAsync(ChildrenMode mode, [NotNull] string prefixDir)
{
var stack = new Stack <string>();
stack.Push(string.IsNullOrEmpty(prefixDir) ? myRootDir : Path.Combine(myRootDir, prefixDir));
while (stack.Count > 0)
{
var dir = stack.Pop();
foreach (var subDir in Directory.EnumerateDirectories(dir))
{
stack.Push(subDir);
}
foreach (var file in Directory.EnumerateFiles(dir))
{
yield return(new ChildrenItem
{
Name = Path.GetRelativePath(myRootDir, file),
Size = (mode & ChildrenMode.WithSize) != 0 ? new FileInfo(file).Length : -1
});
}
}
}
