private void OnCreated(object sender, FileSystemEventArgs e)
{
Trace.TraceInformation("{0} {1}", e.ChangeType, e.FullPath);
if (Directory.Exists(e.FullPath))
{
Raise(new DirectoryCreatedEvent(Path.GetFileName(e.FullPath), new FileSystemEntryId(e.FullPath),
new FileSystemEntryId(Path.GetDirectoryName(e.FullPath))));
}
else if (File.Exists(e.FullPath))
{
try
{
var size = _fileSizeEstimator.Estimate(e.FullPath);
Raise(new FileCreatedEvent(Path.GetFileName(e.FullPath), new FileSystemEntryId(e.FullPath),
new FileSystemEntryId(Path.GetDirectoryName(e.FullPath)), size));
}
catch (DirectoryNotFoundException)
{
// do nothing
}
}
public IEnumerable <FileSystemEntryInfo> EnumerateFileSystemEntries(string path)
{
var queue = new Queue <DirectoryInfo>();
var root = new DirectoryInfo(path);
queue.Enqueue(root);
while (queue.Count > 0)
{
var current = queue.Dequeue();
foreach (var fileSystemInfo in current.EnumerateFileSystemInfos())
{
long size = 0;
var entryExists = true;
string parent = null;
switch (fileSystemInfo)
{
case FileInfo fileInfo:
try
{
size = _fileSizeEstimator.Estimate(fileInfo.FullName);
parent = fileInfo.Directory?.FullName;
}
catch (DirectoryNotFoundException)
{
entryExists = false;
}
catch (FileNotFoundException)
{
entryExists = false;
}
if (entryExists)
{
yield return(new FileEntryInfo(fileInfo.Name,
new FileSystemEntryId(fileInfo.FullName),
new FileSystemEntryId(parent),
size));
}
break;
case DirectoryInfo directoryInfo:
try
{
parent = directoryInfo.Parent?.FullName;
}
catch (DirectoryNotFoundException)
{
entryExists = false;
}
if (entryExists)
{
yield return(new DirectoryEntryInfo(directoryInfo.Name,
new FileSystemEntryId(directoryInfo.FullName),
new FileSystemEntryId(parent)));
}
queue.Enqueue(directoryInfo);
break;
}
}
}
}