func changefeed(logger ctxu.Logger, store storage.MetaStore, imageName, changeID string, records int64) ([]byte, error) {
changes, err := store.GetChanges(changeID, int(records), imageName)
if err != nil {
logger.Errorf("%d GET could not retrieve records: %s", http.StatusInternalServerError, err.Error())
return nil, errors.ErrUnknown.WithDetail(err)
}
out, err := json.Marshal(&changefeedResponse{
NumberOfRecords: len(changes),
Records: changes,
})
if err != nil {
logger.Errorf("%d GET could not json.Marshal changefeedResponse", http.StatusInternalServerError)
return nil, errors.ErrUnknown.WithDetail(err)
}
return out, nil
}