protected override IEnumerable <string> Execute(CodeActivityContext context)
{
var directories = Path.GetAsArray <string>(context);
var patterns = SearchPattern.GetAsArray <string>(context);
if (patterns.Length == 0)
{
patterns = new[] { "*.*" }
}
;
IEnumerable <string> result = new string[] { };
foreach (var directory in directories)
{
foreach (var pattern in patterns)
{
result = result.Union(Directory.EnumerateFiles(directory, pattern, SearchOption));
}
}
if (Exclusions > 0)
{
result = result.Where(filePath => (new FileInfo(filePath).Attributes & Exclusions) == 0);
}
return(result);
}
}
protected async override Task <Action <AsyncCodeActivityContext> > ExecuteAsync(AsyncCodeActivityContext context, CancellationToken token)
{
var folder = Folder.Get(context);
var patterns = SearchPattern?.GetAsArray <string>(context) ?? new[] { "*" };
var lastWriteTime = LastWriteTime?.Get(context) ?? DateTime.Now;
int filesDeleted = 0;
int foldersDeleted = 0;
await Task.Run(() =>
{
foreach (var p in patterns)
{
foreach (var f in Directory.EnumerateFiles(folder, p, SearchOption.AllDirectories).Reverse())
{
try
{
if (File.GetLastWriteTime(f) > lastWriteTime)
{
continue;
}
File.Delete(f);
filesDeleted++;
}
catch (Exception e)
{
Trace.WriteLine($"{f}: {e.Message}");
}
}
}
if (DeleteEmptyFolders)
{
foreach (var f in Directory.EnumerateDirectories(folder, "*", SearchOption.AllDirectories).Reverse())
{
if (Directory.EnumerateFileSystemEntries(f, "*").Any())
{
continue;
}
try
{
Directory.Delete(f);
foldersDeleted++;
}
catch (Exception e)
{
Trace.WriteLine($"{f}: {e.Message}");
}
}
}
}).ConfigureAwait(false);
return(ctx =>
{
Result.Set(ctx, new CleanUpFolderResult
{
FilesDeleted = filesDeleted,
FoldersDeleted = foldersDeleted
});
});
}
