Merge pull request #88 from bento-platform/features/download-dats-file

Features/download dats file

main.go

@@ -188,6 +188,19 @@ func main() {
 		return katsuRequest(path, nil, c, jsonDeserialize)
 	}
 
+	katsuRequestFormattedData := func(path string, c echo.Context) ([]byte, error) {
+		result, err := genericRequestJsonOnly(fmt.Sprintf("%s%s", cfg.KatsuUrl, path), nil, c, jsonDeserialize)
+		if err != nil {
+			return nil, err
+		}
+		// Convert the result data to formatted JSON
+		jsonFormattedData, err := json.MarshalIndent(result, "", "  ")
+		if err != nil {
+			return nil, fmt.Errorf("error formatting JSON: %w", err)
+		}
+		return jsonFormattedData, nil
+	}
+
 	wesRequestWithDetailsAndPublic := func(c echo.Context) error {
 		qs := url.Values{}
 		qs.Add("with_details", "true")
@@ -353,6 +366,22 @@ func main() {
 		return katsuRequestBasic("/api/public_dataset", c)
 	})
 
+	e.GET("/datasets/:id/dats", func(c echo.Context) error {
+		id := c.Param("id")
+		relativeUrl := fmt.Sprintf("/api/datasets/%s/dats", id)
+
+		data, err := katsuRequestFormattedData(relativeUrl, c)
+		if err != nil {
+			return err
+		}
+
+		// Set the content type and disposition for download
+		c.Response().Header().Set("Content-Disposition", `attachment; filename="DATS.json"`)
+		c.Response().Header().Set("Content-Type", "application/json")
+
+		return c.String(http.StatusOK, string(data))
+	})
+
 	// Run
 	e.Logger.Fatal(e.Start(fmt.Sprintf(":%d", cfg.Port)))
 }

src/js/components/Provenance/DatasetProvenance.tsx

@@ -9,6 +9,7 @@ import SpatialCoverageTable from './Tables/SpatialCoverageTable';
 import ExtraPropertiesTable from './Tables/ExtraPropertiesTable';
 import PublicationsTable from './Tables/PublicationsTable';
 import CreatedByTable from './Tables/CreatedByTable';
+import DownloadDats from './DownloadDats';
 import { DEFAULT_TRANSLATION, NON_DEFAULT_TRANSLATION } from '@/constants/configConstants';
 import { ProvenanceStoreDataset } from '@/types/provenance';
 
@@ -90,6 +91,9 @@ const DatasetProvenance = ({ metadata, loading }: DatasetProvenanceProps) => {
         {/* --- EXTRA PROPERTIES ---*/}
         <TableTitleWitTranslation title="Extra Properties" />
         <ExtraPropertiesTable extraProperties={metadata.extraProperties} />
+
+        {/* --- DOWNLOAD DATS --- */}
+        <DownloadDats metadata={metadata} />
       </Card>
     </div>
   );

src/js/components/Provenance/DownloadDats.tsx

@@ -0,0 +1,31 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Button, Space } from 'antd';
+import { DownloadOutlined } from '@ant-design/icons';
+import { useTranslation } from 'react-i18next';
+import { ProvenanceStoreDataset } from '@/types/provenance';
+
+const DownloadDats = ({ metadata }: { metadata: ProvenanceStoreDataset }) => {
+  const { t } = useTranslation();
+
+  const exportData = () => {
+    const id = metadata.identifier;
+    window.location.href = `/datasets/${id}/dats`;
+  };
+
+  const isDatsFileEmpty = metadata && metadata.dats_file ? Object.keys(metadata.dats_file).length === 0 : true;
+
+  return (
+    <Space style={{ marginTop: '20px', justifyContent: 'center' }}>
+      <Button type="primary" icon={<DownloadOutlined />} onClick={exportData} disabled={isDatsFileEmpty}>
+        {t('Download DATS File')}
+      </Button>
+    </Space>
+  );
+};
+
+DownloadDats.propTypes = {
+  metadata: PropTypes.object.isRequired,
+};
+
+export default DownloadDats;

src/js/types/provenance.ts

@@ -11,6 +11,7 @@ export interface Dataset {
   description: string;
   title: string;
   version: string;
+  identifier: string;
 }
 
 export interface DatsFile {

src/public/locales/en/translation_en.json

@@ -9,5 +9,6 @@
   "MALE": "MALE",
   "FEMALE": "FEMALE",
   "I have no problems in walking about": "I have no problems in walking about",
-  "Results": "Results"
+  "Results": "Results",
+  "Download DATS File": "Download DATS File"
 }

src/public/locales/fr/translation_fr.json

@@ -9,5 +9,6 @@
   "Lab Test Result": "Résultats des tests de laboratoire",
   "Experiment Types": "Types d'expériences",
   "I have no problems in walking about": "Je n’ai aucun problème à marcher",
-  "Results": "Résultats"
+  "Results": "Résultats",
+  "Download DATS File": "Télécharger le fichier DATS"
 }