// Copyright (C) 2021 Marius Schellenberger

package fs

import "errors"

func (fs *Filesystem) AddScan(path string) error {
	if fs.CheckScan(path) {
		return errors.New("file '" + path + "' is already scanning")
	}
	fs.m.Lock()
	defer fs.m.Unlock()
	fs.scan[path] = struct{}{}
	return nil
}

func (fs *Filesystem) CheckScan(path string) (ok bool) {
	fs.m.RLock()
	defer fs.m.RUnlock()
	_, ok = fs.scan[path]
	return
}

func (fs *Filesystem) RemoveScan(path string) {
	fs.m.Lock()
	defer fs.m.Unlock()
	delete(fs.scan, path)
}