func (api *API) ServeV1WriteNQuad(w http.ResponseWriter, r *http.Request, params httprouter.Params) int {
if api.config.ReadOnly {
return jsonResponse(w, 400, "Database is read-only.")
}
formFile, _, err := r.FormFile("NQuadFile")
if err != nil {
glog.Errorln(err)
return jsonResponse(w, 500, "Couldn't read file: "+err.Error())
}
defer formFile.Close()
blockSize, blockErr := strconv.ParseInt(r.URL.Query().Get("block_size"), 10, 64)
if blockErr != nil {
blockSize = int64(api.config.LoadSize)
}
quadReader, err := internal.Decompressor(formFile)
// TODO(kortschak) Make this configurable from the web UI.
dec := cquads.NewDecoder(quadReader)
h, err := api.GetHandleForRequest(r)
if err != nil {
return jsonResponse(w, 400, err)
}
n, err := quad.CopyBatch(h, dec, int(blockSize))
if err != nil {
return jsonResponse(w, 400, err)
}
fmt.Fprintf(w, "{\"result\": \"Successfully wrote %d quads.\"}", n)
return 200
}
func Load(qw graph.QuadWriter, cfg *config.Config, dec quad.Reader) error {
_, err := quad.CopyBatch(&batchLogger{BatchWriter: qw}, dec, cfg.LoadSize)
return err
}