public async Task UpdateDirAsync()
{
SubDirs.Clear();
S3Objs.Clear();
var S3ListFiles = await _is3.ListFilesAsync(CurrentDir.FullPathName);
IEnumerable <S3Object> diststrs = S3ListFiles.Where((s) =>
{
return(s.Key.StartsWith(CurrentDir.FullPathName));
}).DistinctBy((s) =>
{
string[] ar2 = s.Key.Split('/');
return(ar2[Level]);
});
foreach (var s in diststrs)
{
string[] ar2 = s.Key.Split('/');
if (ar2[Level] != "")
{
if (ar2.Length - 1 == Level)
{
S3Objs.Add(new S3FileObject
{
Name = ar2[Level],
DirPath = CurrentDir.FullPathName,
FullPathName = s.Key,
Owner = s.Owner,
Size = s.Size,
LastModified = s.LastModified,
ETag = s.ETag,
StorageClass = s.StorageClass.Value
});
}
else
{
SubDirs.Add(new S3DirObject
{
FullPathName = String.Join("/", ar2.Take(Level + 1)),
Name = ar2[Level]
});
}
}
}
//foreach (var dir in SubDirs)
//{
// Console.WriteLine("======== Name = {0} | FullName = {1}",
// dir.Name, dir.FullPathName);
//}
}
/// <summary>
/// Looks for dirs and files that exist in the other directory but not in this. Files inside missing dirs are not listed.
/// </summary>
/// <param name="other"></param>
/// <returns></returns>
public IEnumerable <string> Missing(Dir other)
{
// Iterate the other collection to find items unique to it.
var missingFiles = other.Files.Where(a => !Files.Any(b => a.Name == b.Name));
var missingDirs = other.SubDirs.Where(a => !SubDirs.Any(b => a.Name == b.Name));
var output = missingFiles.Select(a => a.Path);
output = output.Concat(missingDirs.Select(a => a.Path));
// Iterate through this collection so the we can look for matches.
foreach (Dir dir in SubDirs)
{
var match = other.SubDirs.FirstOrDefault(a => a.Name == dir.Name);
if (null != match)
{
// If the dir exists, look for missing subdirs recursively.
output = output.Concat(dir.Missing(match));
}
}
return(output);
}
