internal void Populate()
{
//grab root dir
_dirs.Clear();
_root = new FWDirectory(null, _rootPath, _extension);
_dirs.Add(_root);
//grab subdirs
if (_recursive)
{
IEnumerable <FWDirectory> foundDirs = _root.PopulateDirsRecursive();
_dirs.AddRange(_root.PopulateDirsRecursive());
}
//grab files from all dirs
_fileEntries.Clear();
if (_recursive)
{
_fileEntries.AddRange(_root.GetFileEntriesRecursive());
}
if (!_recursive)
{
_fileEntries.AddRange(_root.GetFileEntries());
}
}
private IEnumerable <string> delDir(FWDirectory subDir)
{
//We need to
//- scan this folder and all subfolders
//- update the dirs and fileEntries
//- update ParentDir
//- notify all changed fileEntries
List <string> impactedFiles = new List <string>();
List <FWDirectory> impactedDirs = new List <FWDirectory> {
subDir
};
impactedDirs.AddRange(subDir.GetSubDirs());
foreach (FWDirectory impactedDir in impactedDirs)
{
IEnumerable <string> impactedDirFiles = impactedDir.GetFiles();
impactedFiles.AddRange(impactedDirFiles);
_dirs.Remove(impactedDir);
}
foreach (string impactedFile in impactedFiles)
{
_fileEntries.Remove(impactedFile);
}
subDir.ParentDir.RemoveDir(subDir);
return(impactedFiles);
}
internal IEnumerable <string> OnDirectoryChange(string fullDirPath)
{
List <string> changedFiles = new List <string>();
bool directoryExists = Directory.Exists(fullDirPath);
if (directoryExists)
{
FWDirectory fwd = getDirByPath(fullDirPath);
if (fwd == null)
{
addDir(fullDirPath);
}
else
{
//Nothing to do
}
}
if (!directoryExists)
{
FWDirectory fwd = getDirByPath(fullDirPath);
if (fwd == null)
{
//Nothing to do
}
else
{
changedFiles.AddRange(delDir(fwd));
}
}
return(changedFiles);
}
internal IEnumerable <string> OnFileChange(string fullFilePath)
{
List <string> changedFiles = new List <string>();
try
{
bool fileExists = File.Exists(fullFilePath);
if (fileExists)
{
//If I know the file
if (_fileEntries.ContainsKey(fullFilePath))
{
//just notify the change for file contents
changedFiles.Add(fullFilePath);
}
else
{
string parentDirPath = Path.GetDirectoryName(fullFilePath);
FWDirectory parentDir = getDirByPath(parentDirPath);
//if I know the directory,
if (parentDir == null)
{
//I need to create the dir and all needed "gran-parent" dirs
parentDir = addDir(parentDirPath);
}
//Now just add the file
parentDir.AddFile(fullFilePath);
_fileEntries.Add(fullFilePath, parentDir);
changedFiles.Add(fullFilePath);
}
}
if (!fileExists)
{
if (_fileEntries.ContainsKey(fullFilePath))
{
FWDirectory parentDir = _fileEntries[fullFilePath];
parentDir.RemoveFile(fullFilePath);
_fileEntries.Remove(fullFilePath);
changedFiles.Add(fullFilePath);
}
else
{
//nothing to do
}
}
return(changedFiles);;
}
catch (Exception ex)
{
logException(ex);
return(Enumerable.Empty <string>());
}
}
private FWDirectory addDir(string newDirPath)
{
//this must create the object after having created all the needed parent objects
//in the end return the newly created object
try
{
string parentDirPath = Path.GetDirectoryName(newDirPath);
FWDirectory newParentDir = getDirByPath(parentDirPath);
if (newParentDir == null)
{
newParentDir = addDir(parentDirPath);
}
FWDirectory newDir = new FWDirectory(newParentDir, newDirPath, _extension);
_dirs.Add(newDir);
return(newDir);
}
catch (Exception ex)
{
logException(ex);
return(null);
}
}
