Ejemplo n.º 1
0
func (m *FileSystem) copyFileDocument(f *File, newprefix, oldprefix, newname string, c *mgo.Collection) error {
	// update parent path prefix with new prefix
	_parent_path := f.Header.Parent
	_parent_path = strings.Replace(_parent_path, oldprefix, newprefix, 1)

	// update header info
	// both the original and copy will point to the same attachment id
	// in the bst
	id, err := filesystem.NewNodeID()
	if err != nil {
		return err
	}
	f.Header.Parent = _parent_path
	f.Header.Created = filesystem.FormatDatetime(time.Now())
	if newname != "" {
		err = filesystem.ValidateFileName(newname)
		if err != nil {
			return err
		}
		f.Header.Name = newname
	}
	f.Id = id

	// save to mongodb
	err = c.Insert(&f)
	if err != nil {
		return err
	}

	return nil
}
Ejemplo n.º 2
0
func (m *FileSystem) copyDirectoryDocument(d *Directory, newprefix, oldprefix, newname string, c *mgo.Collection) error {
	// update parent path prefix with new prefix
	_parent_path := d.Header.Parent
	_parent_path = strings.Replace(_parent_path, oldprefix, newprefix, 1)

	// update header info
	id, err := filesystem.NewNodeID()
	if err != nil {
		return err
	}

	d.Header.Parent = _parent_path
	if newname != "" {
		err = filesystem.ValidateDirName(newname)
		if err != nil {
			return err
		}
		d.Header.Name = newname
	}
	d.Header.Created = filesystem.FormatDatetime(time.Now())
	d.Id = id
	// save to mongodb
	err = c.Insert(&d)
	if err != nil {
		return err
	}

	return nil
}
Ejemplo n.º 3
0
func makeRootDir() (*Directory, error) {
	id, err := filesystem.NewNodeID()
	if err != nil {
		return nil, err
	}
	dt := filesystem.FormatDatetime(time.Now())
	h := NodeHeader{"/", "Directory", true, dt, ""}
	r := &Directory{h, id}
	return r, nil
}
Ejemplo n.º 4
0
func (m *FileSystem) NewDir(p, db string) error {
	// check path
	p = path.Clean(p)
	if p == "/" {
		err := errors.New("root directory already exists")
		return err
	}
	_name := path.Base(p)
	_parent := path.Dir(p)
	err := filesystem.ValidateDirName(_name)
	if err != nil {
		return err
	}
	// check if parent directory exists
	q := m.findPathQuery(_parent)

	// get collection
	c := m.getBFSCollection(db)
	var _parentdir Directory
	// find record
	err = c.Find(q).One(&_parentdir)
	if err != nil {
		return err
	}
	if _parentdir.Header.Type != "Directory" {
		err = fmt.Errorf("directory '%s' couldn't be created: destination isn't a directory.", p)
		return err
	}
	// check if name already taken
	q = m.findPathQuery(p)
	_count, err := c.Find(q).Count()
	if err != nil {
		return err
	}
	if _count > 0 {
		err = fmt.Errorf("directory '%s' already exists", p)
		return err
	}

	// create directory
	id, err := filesystem.NewNodeID()
	if err != nil {
		return err
	}
	dt := filesystem.FormatDatetime(time.Now())
	h := NodeHeader{_name, "Directory", false, dt, _parent}
	_dir := Directory{h, id}
	// insert node into mongodb
	err = c.Insert(&_dir)
	if err != nil {
		return err
	}

	return nil
}
Ejemplo n.º 5
0
func (m *FileSystem) NewFile(p, db string, j map[string]interface{}) error {
	// check path
	p = path.Clean(p)
	_name := path.Base(p)
	_parent := path.Dir(p)
	err := filesystem.ValidateFileName(_name)
	if err != nil {
		return err
	}
	// check if parent directory exists
	q := m.findPathQuery(_parent)

	// get collection
	c := m.getBFSCollection(db)
	var _parentdir Directory
	// find record
	err = c.Find(q).One(&_parentdir)
	if err != nil {
		err = fmt.Errorf("destination directory not found: %s", err)
		return err
	}
	if _parentdir.Header.Type != "Directory" {
		err = errors.New("destination isn't a directory")
		return err
	}
	// check if name already taken
	q = m.findPathQuery(p)
	_count, err := c.Find(q).Count()
	if err != nil {
		return err
	}
	if _count > 0 {
		err = fmt.Errorf("file '%s' already exists", p)
		return err
	}

	// create file
	id, err := filesystem.NewNodeID()
	if err != nil {
		return err
	}
	dt := filesystem.FormatDatetime(time.Now())
	h := NodeHeader{_name, "File", false, dt, _parent}
	a := BytesHeader{"", "", 0}
	_file := File{h, a, id, j}
	// insert node into mongodb
	err = c.Insert(&_file)
	if err != nil {
		return err
	}

	return nil
}