Rift.IO OSM R1 Initial Submission

[osm/UI.git] / skyquake / framework / core / modules / api / configuration.js

diff --git a/skyquake/framework/core/modules/api/configuration.js b/skyquake/framework/core/modules/api/configuration.js
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+/*
+ * 
+ *   Copyright 2016 RIFT.IO Inc
+ *
+ *   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.
+ *
+ */
+
+/**
+ * Configuration api module. Provides API functions to configure node
+ * @module framework/core/modules/api/configuration
+ * @author Kiran Kashalkar <kiran.kashalkar@riftio.com>
+ */
+
+var Promise = require('bluebird');
+var constants = require('../../api_utils/constants');
+var utils = require('../../api_utils/utils');
+var request = utils.request;
+var configurationAPI = {};
+var _ = require('lodash');
+var GLOBAL_CONFIGURATION = {
+    api_server: 'localhost',
+    ssl_enabled: true
+};
+
+/**
+ * Get the server configuration for the Express API
+ * @param {Object} req - the Express request object
+ * @return {Function} Promise that resolves with success object or rejects
+ *                                       with error
+ */
+configurationAPI.get = function(req) {
+       return new Promise(function(resolve, reject) {
+        resolve({
+            statusCode: constants.HTTP_RESPONSE_CODES.SUCCESS.OK,
+            data: GLOBAL_CONFIGURATION
+        });
+    });
+};
+
+/**
+ * Update the server configuration for the Express API
+ * @param {Object} req - the Express request object
+ * @return {Function} Promise that resolves with success object or rejects
+ *                    with error
+ */
+configurationAPI.update = function(req) {
+    var newConfiguration = req.body;
+    return new Promise(function(resolve, reject) {
+        try {
+            _.merge(GLOBAL_CONFIGURATION, newConfiguration);
+            resolve({
+                statusCode: constants.HTTP_RESPONSE_CODES.SUCCESS.NO_CONTENT,
+                data: {}
+            })
+        } catch (e) {
+            console.log('Merging on new configuration failed. Error:', e);
+            reject({
+                statusCode: constants.HTTP_RESPONSE_CODES.ERROR.INTERNAL_SERVER_ERROR,
+                errorMessage: {
+                    error: 'Problem with merging new configuration. Error: ' + JSON.stringify(e)
+                }
+            });
+        }
+    });
+};
+
+configurationAPI.globalConfiguration = {};
+/**
+ * Internally used (by Node.js components) to update server configuration
+ * @param {Object} data - the configuration to merge
+ */
+configurationAPI.globalConfiguration.update = function(data) {
+    _.merge(GLOBAL_CONFIGURATION, data);
+};
+
+/**
+ * Internally used (by Node.js components) to get server configuration
+ * @param {Object} data - the configuration to merge
+ */
+configurationAPI.globalConfiguration.get = function() {
+    return GLOBAL_CONFIGURATION;
+};
+
+module.exports = configurationAPI;