public bool RenameDirectory(int directoryId, string newDirectoryName)
{
if (!IsValidDirectoryName(newDirectoryName))
{
return(false);
}
StorageDirectory storageDirectory = _directories.FirstOrDefault(d => d.Id == directoryId);
if (storageDirectory == null)
{
return(false);
}
storageDirectory.DirectoryName = newDirectoryName;
if (DirectoryStructureChanged != null)
{
DirectoryStructureChanged.Invoke(this,
new StorageDirectorySystemEventArgs {
DirectoryEventType = StorageFileSystemEventTypes.Renamed, DirectoryId = directoryId, ParentDirectoryId = storageDirectory.ParentId
});
}
return(true);
}
private StorageDirectory CreateRooDir()
{
var root = new StorageDirectory {
Id = 0, ParentId = 0, CreateDate = DateTime.Now, DirectoryName = "FSRootDir"
};
_directoryIdSet.Add(_nextDirectoryId++);
return(root);
}
private StorageFileSystem(StorageFileContent storageFileSystemContent)
{
fileSystemMemoryCache = new MemoryStream();
_directories = storageFileSystemContent.Directories;
_files = storageFileSystemContent.Files;
_directoryIdSet = storageFileSystemContent.DirectoryIdSet;
_fileIdSet = storageFileSystemContent.FileIdSet;
_rootDirectory = _directories.First(d => d.Id == 0);
_nextFileId = storageFileSystemContent.NextFileId;
_nextDirectoryId = storageFileSystemContent.NextDirectoryId;
}
private StorageFileSystem()
{
fileSystemMemoryCache = new MemoryStream();
_directories = new HashSet <StorageDirectory>();
_files = new HashSet <StorageFile>();
_directoryIdSet = new HashSet <int>();
_fileIdSet = new HashSet <int>();
_rootDirectory = CreateRooDir();
_nextFileId = 0;
_validDirNameRegex = new Regex(validDirectoryNameRegExp);
}
public bool DeleteDirectory(int directoryId)
{
StorageDirectory storageDirectory = _directories.FirstOrDefault(d => d.Id == directoryId);
if (storageDirectory == null)
{
return(false);
}
_directories.Remove(storageDirectory);
_directoryIdSet.Remove(storageDirectory.Id);
DirectoryStructureChanged?.Invoke(this,
new StorageDirectorySystemEventArgs {
DirectoryEventType = StorageFileSystemEventTypes.Deleted, DirectoryId = directoryId, ParentDirectoryId = storageDirectory.ParentId
});
return(true);
}
public int CreateFile(StorageDirectory parentDirectory, string fileName)
{
var storageFile = new StorageFile
{
CreateDate = DateTime.Now,
ModifiedDate = DateTime.Now,
Id = _nextFileId++,
DirectoryId = parentDirectory.Id,
FileName = fileName
};
_fileIdSet.Add(storageFile.Id);
_files.Add(storageFile);
FileStructureChanged?.Invoke(this, new StorageFileSystemEventArgs {
DirectoryId = storageFile.DirectoryId, FileId = storageFile.Id, FileEvent = StorageFileSystemEventTypes.Created
});
return(storageFile.Id);
}
public int CreateDirectory(StorageDirectory parentDirectory, string directoryName)
{
var storageDirectory = new StorageDirectory
{
Id = _nextDirectoryId++,
ParentId = parentDirectory.Id,
DirectoryName = directoryName,
CreateDate = DateTime.Now,
ModifiedDate = DateTime.Now
};
_directories.Add(storageDirectory);
_directoryIdSet.Add(storageDirectory.Id);
DirectoryStructureChanged?.Invoke(this,
new StorageDirectorySystemEventArgs {
DirectoryEventType = StorageFileSystemEventTypes.Created, DirectoryId = storageDirectory.Id, ParentDirectoryId = storageDirectory.ParentId
});
return(storageDirectory.Id);
}
