node-red-contrib-snap4city-user
Version:
Nodes for Snap4city project, targeted to standard user (no developer)
92 lines (85 loc) • 5 kB
JavaScript
/* NODE-RED-CONTRIB-SNAP4CITY-USER
Copyright (C) 2018 DISIT Lab http://www.disit.org - University of Florence
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
module.exports = function (RED) {
function DelegateMyKPIData(config) {
RED.nodes.createNode(this, config);
var node = this;
node.selectedKPIDataId = config.selectedKPIDataId;
if (config.kpiId) {
node.kpiId = config.kpiId.split("-")[0];
node.kpiValueName = config.kpiId.split("-")[1];
node.kpiDataType = config.kpiId.split("-")[2];
}
node.usernamedelegated = config.delegated;
node.on('input', function (msg) {
var s4cUtility = require("./snap4city-utility.js");
const logger = s4cUtility.getLogger(RED, node);
const uid = s4cUtility.retrieveAppID(RED);
var kpiId = (msg.payload.id ? msg.payload.id : node.kpiId);
if (kpiId) {
var usernamedelegated = (msg.payload.usernamedelegated ? msg.payload.usernamedelegated : node.usernamedelegated);
node.s4cAuth = RED.nodes.getNode(config.authentication);
var uri = s4cUtility.settingUrl(RED,node, "myPersonalDataUrl", "https://www.snap4city.org", "/datamanager/api/v1/") + "kpidata/" + kpiId + "/delegations";
var inPayload = msg.payload;
var accessToken = "";
accessToken = s4cUtility.retrieveAccessToken(RED, node, config.authentication, uid);
if (accessToken != "" && typeof accessToken != "undefined") {
var XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest;
var xmlHttp = new XMLHttpRequest();
logger.info(encodeURI(uri + "/?sourceRequest=iotapp") + (typeof uid != "undefined" && uid != "" ? "&sourceId=" + uid : ""));
xmlHttp.open("POST", encodeURI(uri + "/?sourceRequest=iotapp" + (typeof uid != "undefined" && uid != "" ? "&sourceId=" + uid : "")), true);
xmlHttp.setRequestHeader("Content-Type", "application/json");
xmlHttp.setRequestHeader("Authorization", "Bearer " + accessToken);
xmlHttp.onload = function (e) {
if (xmlHttp.readyState === 4) {
if (xmlHttp.status === 200) {
if (xmlHttp.responseText != "") {
try {
msg.payload = JSON.parse(xmlHttp.responseText);
}catch (e) {
msg.payload = xmlHttp.responseText;
logger.error("Problem Parsing data " + xmlHttp.responseText);
}
} else {
msg.payload = JSON.parse("{\"status\": \"There was some problem\"}");
}
s4cUtility.eventLog(RED, inPayload, msg, config, "Node-Red", "MyData", uri, "RX");
node.send(msg);
} else if (xmlHttp.status === 401) {
node.error("Unauthorized");
logger.error("Unauthorized, accessToken: " + accessToken);
} else {
logger.error(xmlHttp.statusText);
node.error(xmlHttp.responseText);
}
}
};
xmlHttp.onerror = function (e) {
logger.error(xmlHttp.statusText);
node.error(xmlHttp.responseText);
};
xmlHttp.send(JSON.stringify({
"elementId": node.kpiId,
"elementType": "MyKPI",
"usernameDelegated": usernamedelegated
}));
} else {
node.error("Open the configuration of the node and redeploy");
}
} else {
node.error("KPI ID not configured or sent to input");
}
});
}
RED.nodes.registerType("delegate-my-kpidata", DelegateMyKPIData);
}