/*** * Copyright 2015 RAPP * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * Authors: Konstantinos Panayiotou * Contact: klpanagi@gmail.com * */ /** * @fileOverview * * [Record-cognitive-test-performance] RAPP Platform web service implementation. * * @author Konstantinos Panayiotou * @copyright Rapp Project EU 2015 */ var path = require('path'); var interfaces = require(path.join(__dirname, 'iface_obj.js')); const rosSrvName = "/rapp/rapp_cognitive_exercise/record_user_cognitive_test_performance"; /** * [Cognitive-Record-Performance] * Handles requests to cognitive_record_performance RAPP Platform Service * * Service Implementation. * */ function svcImpl(req, resp, ros) { var rosMsg = new interfaces.ros_req(); rosMsg.username = req.username; rosMsg.test = req.body.test_instance; rosMsg.score = parseInt(req.body.score); // ROS-Service response callback. function callback(data) { // Parse rosbridge message and craft client response var response = parseRosbridgeMsg( data ); resp.sendJson(response); } // ROS-Service onerror callback. function onerror(e) { var response = new interfaces.client_res(); response.error = e; resp.sendJson(response); } // Call ROS-Service. ros.callService(rosSrvName, rosMsg, {success: callback, fail: onerror}); } /*** * Crafts response object. * * @param {Object} rosbridge_msg - Return message from rosbridge * * @returns {Object} response - Response Object. * @returns {String} response.performance_score - Ontology performance entry. * @returns {String} response.error - Error message string to be filled * when an error has been occured during service call. * */ function parseRosbridgeMsg(rosbridge_msg) { const performance_entry = rosbridge_msg.userCognitiveTestPerformanceEntry; const trace = rosbridge_msg.trace; const success = rosbridge_msg.success; const error = rosbridge_msg.error; var response = new interfaces.client_res(); response.performance_entry = performance_entry; response.error = error; return response; } module.exports = svcImpl;