| 35 | } |
| 36 | |
| 37 | func (api *API) ReadDatasets() ([]config.Dataset, error) { |
| 38 | hash, err := api.LatestConfigHash() |
| 39 | if err != nil { |
| 40 | return nil, fmt.Errorf("read latest config hash: %w", err) |
| 41 | } |
| 42 | |
| 43 | rows, err := api.db.Query("SELECT id, text FROM datasets WHERE config_hash = $1", hash) |
| 44 | if err != nil { |
| 45 | return nil, fmt.Errorf("query datasets: %w", err) |
| 46 | } |
| 47 | defer rows.Close() |
| 48 | |
| 49 | datasets := []config.Dataset{} |
| 50 | for rows.Next() { |
| 51 | id := "" |
| 52 | text := "" |
| 53 | dataset := config.Dataset{} |
| 54 | err = rows.Scan(&id, &text) |
| 55 | if err != nil { |
| 56 | return nil, fmt.Errorf("scan dataset: %w", err) |
| 57 | } |
| 58 | err = yaml.Unmarshal([]byte(text), &dataset) |
| 59 | if err != nil { |
| 60 | return nil, fmt.Errorf("unmarshal datasets: %w", err) |
| 61 | } |
| 62 | dataset.ID = id |
| 63 | datasets = append(datasets, dataset) |
| 64 | } |
| 65 | return datasets, nil |
| 66 | } |
| 67 | |
| 68 | func (api *API) PreviewDataset(id string) ([]interface{}, error) { |
| 69 | filename := filepath.Join(api.dataDir, id+".db") |