Missing API v2 endpoint for downloading 'Other Metadata' associated with a file

[eduardojst10]

• functionality was available in RODA 5 via an endpoint api/v1/files/{fileUUID}/other_metadata/{type}/{suffix}?acceptFormat=bin similiar in

  roda/roda-ui/roda-wui/src/main/java/org/roda/wui/api/v1/FilesResource.java

  Lines 310 to 348 in 7cf66c2

  	/*** OTHER METADATA ****/
  	@GET
  	@Path("/{" + RodaConstants.API_PATH_PARAM_FILE_UUID + "}/" + RodaConstants.API_OTHER_METADATA + "/{"
  	+ RodaConstants.API_PATH_PARAM_OTHER_METADATA_TYPE + "}/{" + RodaConstants.API_PATH_PARAM_OTHER_METADATA_FILE_SUFFIX
  	+ "}")
  	@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML, ExtraMediaType.APPLICATION_ZIP,
  	ExtraMediaType.APPLICATION_JAVASCRIPT})
  	@JSONP(callback = RodaConstants.API_QUERY_DEFAULT_JSONP_CALLBACK, queryParam = RodaConstants.API_QUERY_KEY_JSONP_CALLBACK)
  	@Operation(summary = "Get other metadata", description = "Gets other metadata (JSON info or ZIP file).\nOptional query params of **start** and **limit** defined the returned query", responses = {
  	@ApiResponse(responseCode = "200", description = "OK", content = @Content(schema = @Schema(implementation = OtherMetadataList.class))),
  	@ApiResponse(responseCode = "404", description = "Not found", content = @Content(schema = @Schema(implementation = ApiResponseMessage.class)))})
  	public Response retrieveOtherMetadata(
  	@Parameter(description = "The UUID of the existing File", required = true) @PathParam(RodaConstants.API_PATH_PARAM_FILE_UUID) String fileUUID,
  	@Parameter(description = "The type of the other metadata", required = true) @PathParam(RodaConstants.API_PATH_PARAM_OTHER_METADATA_TYPE) String type,
  	@Parameter(description = "The file suffix of the other metadata", required = true) @PathParam(RodaConstants.API_PATH_PARAM_OTHER_METADATA_FILE_SUFFIX) String suffix,
  	@Parameter(description = "Choose format in which to get the metadata", schema = @Schema(implementation = RodaConstants.GetFileMediaTypes.class, defaultValue = RodaConstants.API_QUERY_VALUE_ACCEPT_FORMAT_JSON)) @QueryParam(RodaConstants.API_QUERY_KEY_ACCEPT_FORMAT) String acceptFormat,
  	@Parameter(description = "JSONP callback name", required = false, schema = @Schema(defaultValue = RodaConstants.API_QUERY_DEFAULT_JSONP_CALLBACK)) @QueryParam(RodaConstants.API_QUERY_KEY_JSONP_CALLBACK) String jsonpCallbackName)
  	throws RODAException {
  	String mediaType = ApiUtils.getMediaType(acceptFormat, request);
  	// get user
  	User user = UserUtility.getApiUser(request);
  	String fileSuffix = suffix;
  	if (!fileSuffix.startsWith(".")) {
  	fileSuffix = '.' + fileSuffix;
  	}
  	// delegate action to controller
  	EntityResponse otherMetadata = Browser.retrieveOtherMetadata(user, fileUUID, type, fileSuffix, acceptFormat);
  	if (otherMetadata instanceof ObjectResponse) {
  	ObjectResponse<OtherMetadata> om = (ObjectResponse<OtherMetadata>) otherMetadata;
  	return Response.ok(om.getObject(), mediaType).build();
  	} else {
  	return ApiUtils.okResponse((StreamResponse) otherMetadata);
  	}
  	}

• verify if this functionality was migrated to RODA 6

[SugaryLump]

#3538
This PR adds this endpoint back to API V2