Fill the 'metadata' sheet of Datasets

- Template updated

src/main/java/org/genesys/catalog/service/impl/DatasetServiceImpl.java

@@ -482,15 +482,18 @@ public class DatasetServiceImpl implements DatasetService {
 		// generate file with metadata and add it to the dataset
 		try (final ByteArrayOutputStream bos = new ByteArrayOutputStream()) {
 			downloadService.writeXlsxDatasetMetadata(loaded, bos);
-			final String fileName = "genesys_catalog_metadata.xlsx";
+			final String fileName = "Metadata.xlsx";
 			final String contentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
 			try {
 				final RepositoryFile datasetFile = repositoryService.getFile(Paths.get(datasetRepositoryPath, loaded.getUuid().toString()), fileName);
 				repositoryService.updateBytes(datasetFile, contentType, bos.toByteArray());
 			} catch (final NoSuchRepositoryFileException | InvalidRepositoryPathException e) {
 				try {
+					RepositoryFile metadata = new RepositoryFile();
+					metadata.setTitle("Dataset metadata");
+					metadata.setDescription("Auto-generated by Genesys");
 					final RepositoryFile addedFile = repositoryService.addFile(Paths.get(datasetRepositoryPath, loaded.getUuid().toString()).toAbsolutePath(),
-							fileName, contentType, bos.toByteArray(), null);
+							fileName, contentType, bos.toByteArray(), metadata);
 					loaded.getRepositoryFiles().add(addedFile);
 					loaded = lazyLoad(datasetRepository.save(loaded));
 				} catch (final InvalidRepositoryPathException | InvalidRepositoryFileDataException e1) {