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bacnet_read.js
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bacnet_read.js
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/*
MIT License Copyright 2021, 2022 - Bitpool Pty Ltd
*/
module.exports = function (RED) {
const { ReadCommandConfig } = require('./common');
const baEnum = require('./resources/node-bacstack-ts/dist/index.js').enum;
function BitpoolBacnetReadDevice(config) {
RED.nodes.createNode(this, config);
var node = this;
this.json = config.json;
this.mqtt = config.mqtt;
this.pointJson = config.pointJson;
this.roundDecimal = config.roundDecimal;
this.pointsToRead = config.pointsToRead;
this.readDevices = config.readDevices;
this.id = config.id;
this.nodeName = config.name;
this.object_property_simplePayload = config.object_property_simplePayload;
this.object_property_simpleWithStatus = config.object_property_simpleWithStatus;
this.object_property_fullObject = config.object_property_fullObject;
this.useDeviceName = config.useDeviceName;
this.object_props = getObjectProps(this);
function getObjectProps(node) {
var propArr = [];
if (node.object_property_simplePayload == true) {
propArr.push({ id: baEnum.PropertyIdentifier.PRESENT_VALUE });
}
if (node.object_property_fullObject == true) {
propArr.push(
{ id: baEnum.PropertyIdentifier.PRESENT_VALUE },
{ id: baEnum.PropertyIdentifier.DESCRIPTION },
{ id: baEnum.PropertyIdentifier.STATUS_FLAGS },
{ id: baEnum.PropertyIdentifier.RELIABILITY },
{ id: baEnum.PropertyIdentifier.OUT_OF_SERVICE },
{ id: baEnum.PropertyIdentifier.UNITS }
);
}
//add object name for every request as its used in formatting
propArr.push({ id: baEnum.PropertyIdentifier.OBJECT_NAME });
return propArr;
};
node.on('input', function (msg) {
if (msg.applyDisplayNames) {
msg.pointsToRead = node.pointsToRead;
node.send(msg);
} else {
node.status({ fill: "blue", shape: "dot", text: "Reading values" });
let object_property_simplePayload = false;
let object_property_simpleWithStatus = false;
let object_property_fullObject = false;
let jsonType = false;
let mqttType = false;
let pointJsonType = false;
let useDeviceName = false;
if (msg.simplePayload) {
object_property_simplePayload = msg.simplePayload;
} else if (msg.simpleWithStatus) {
object_property_simpleWithStatus = msg.simpleWithStatus;
} else if (msg.fullObject) {
object_property_fullObject = msg.fullObject;
} else {
object_property_simplePayload = node.object_property_simplePayload;
object_property_simpleWithStatus = node.object_property_simpleWithStatus;
object_property_fullObject = node.object_property_fullObject;
}
if (msg.json) {
jsonType = msg.json;
} else if (msg.mqtt) {
mqttType = msg.mqtt;
} else if (msg.pointJson) {
pointJsonType = msg.pointJson;
} else {
jsonType = node.json;
mqttType = node.mqtt;
pointJsonType = node.pointJson
}
if (msg.useDeviceName) {
useDeviceName = msg.useDeviceName;
} else {
useDeviceName = node.useDeviceName;
}
let readConfig = new ReadCommandConfig(node.pointsToRead, node.object_props, node.roundDecimal);
let output = {
type: "Read",
id: node.id,
readNodeName: node.nodeName,
options: readConfig,
objectPropertyType: {
simplePayload: object_property_simplePayload,
simpleWithStatus: object_property_simpleWithStatus,
fullObject: object_property_fullObject
},
outputType: {
json: jsonType,
mqtt: mqttType,
pointJson: pointJsonType,
useDeviceName: useDeviceName
}
};
node.send(output);
setTimeout(() => {
node.status({});
}, 3000);
}
});
};
RED.nodes.registerType('Bacnet-Discovery', BitpoolBacnetReadDevice);
};