// OpenZipWriter creates a new bundle in the given store using the given id and
// bundle number. It returns a zip writer which is then saved into the store.
func OpenZipWriter(s store.Store, id string, n int) (*Zipwriter, error) {
f, err := s.Create(sugar(id, n))
if err != nil {
return nil, err
}
return &Zipwriter{
f: f,
Writer: bagit.NewWriter(f, strings.TrimSuffix(id, ".zip")),
}, nil
}
// OpenBundle opens the provided key in the given store, and wraps it in a
// bagit reader.
func OpenBundle(s store.Store, key string) (*BagreaderCloser, error) {
stream, size, err := s.Open(key)
if err != nil {
return nil, err
}
var result *BagreaderCloser
r, err := bagit.NewReader(stream, size)
if err == nil {
result = &BagreaderCloser{
Reader: r,
f: stream,
}
} else {
stream.Close()
}
return result, err
}