node-red-contrib-snap4city-user
Version:
Nodes for Snap4city project, targeted to standard user (no developer)
106 lines (93 loc) • 4.83 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 ChangeVisibilityMyDevice(config) {
RED.nodes.createNode(this, config);
var node = this;
node.selectedDeviceDataId = config.selectedDeviceDataId;
node.deviceId = config.deviceId;
node.deviceDataList = config.deviceDataList ? JSON.parse(config.deviceDataList): [];
node.on('input', function (msg) {
var s4cUtility = require("./snap4city-utility.js");
const logger = s4cUtility.getLogger(RED, node);
const uid = s4cUtility.retrieveAppID(RED);
var deviceId = (msg.payload.id ? msg.payload.id : node.deviceId);
var visibility = (msg.payload.visibility ? msg.payload.visibility : config.visibility);
if (deviceId) {
var selectedDevice = null;
for (var i = 0; i < node.deviceDataList.length;i++){
if (node.deviceDataList[i].elementId == deviceId){
selectedDevice = node.deviceDataList[i];
}
}
}
try {
var contextbroker=(msg.payload.contextbroker? msg.payload.contextbroker : selectedDevice.elementDetails.contextbroker);
} catch (error) {
node.error("Device ID or contextbroker not configured or not sent to input");
}
var elementName=(msg.payload.id? msg.payload.id : selectedDevice.elementName)
if (elementName || contextbroker!="") {
node.s4cAuth = RED.nodes.getNode(config.authentication);
var uri = s4cUtility.settingUrl(RED,node, "iotDirectoryUrl", "https://www.snap4city.org", "/iot-directory/") + "api/device.php";
var inPayload = msg.payload;
var accessToken = "";
accessToken = s4cUtility.retrieveAccessToken(RED, node, config.authentication, uid);
if (accessToken != "" && typeof accessToken != "undefined") {
if (contextbroker != "" && typeof contextbroker != "undefined") {
var XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest;
var xmlHttp = new XMLHttpRequest();
logger.info(encodeURI(uri + "?action=change_visibility&visibility="+visibility+"&id=" + elementName + "&contextbroker=" + contextbroker +"&k1=&k2=&token=" + accessToken + "&nodered=yes"));
xmlHttp.open("POST", encodeURI(uri + "?action=change_visibility&visibility="+visibility+"&id=" + elementName + "&contextbroker=" + contextbroker +"&k1=&k2=token=" + accessToken + "&nodered=yes"), 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", "IOTDirectory", 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(null);
}
} else {
node.error("Open the configuration of the node and redeploy");
}
} else {
node.error("Device ID not configured or sent to input");
}
});
}
RED.nodes.registerType("change-visibility-my-device", ChangeVisibilityMyDevice);
}