// CreateFile creates a File in the provided Directory
func CreateFile(d dir.Directory, name string) *File {
f := &File{
uuid: uuid.NewV4(),
name: name,
}
if d != nil {
f.directory = d
err := d.AttachFile(f)
if err != nil {
// TODO: decide how to handle err != nil; we would like CreateFile to be chainable, hence not returning err
return nil
}
}
return f
}
// AttachDirectory adds a dir.Directory to this Directory
// You likely would use the .Create() or .CreateDirectory() method instead, if available.
func (d *Directory) AttachDirectory(dirIn dir.Directory) error {
d.Lock()
defer d.Unlock()
for _, child := range d.children {
if child == dirIn {
return dir.ErrExists
}
}
err := dirIn.SetRoot(d.root)
if err != nil {
return err
}
d.children = append(d.children, dirIn)
return nil
}
// CreateDirectory creates a sub-Directory of the provided Directory
func CreateDirectory(d dir.Directory, name string) *Directory {
subdir := &Directory{
uuid: uuid.NewV4(),
name: name,
}
if d != nil {
subdir.root = d.Root()
subdir.parent = d
err := d.AttachDirectory(subdir)
if err != nil {
// TODO: decide how to handle err != nil; we would like CreateDirectory to be chainable, hence not returning err
return nil
}
} else {
subdir.root = subdir
}
return subdir
}
