module.exports = function(RED) { "use strict"; var What3Words = require('geo.what3words'); var what3wordsNode = function(n) { RED.nodes.createNode(this, n); this.lang = n.lang || "en"; var node = this; //if ( !node.credentials.apikey ) { this.error("No what3words API key set"); } this.w3w = new What3Words(node.credentials.apikey); var w1 = /^\*\w{6,31}$/; var w3 = /^\w+\.\w+\.\w+$/; this.on("input", function(msg) { if (msg.hasOwnProperty("location") && msg.location.hasOwnProperty("lat") && msg.location.hasOwnProperty("lon")) { node.w3w.positionToWords({ position:msg.location.lat + "," + msg.location.lon, lang:node.lang }) .then(function(response) { msg.payload = response; // prom.cape.pump if (!msg.hasOwnProperty("topic") || (msg.topic === "")) { msg.topic = "what3words"; } node.send(msg); }) .catch(function(err) { node.warn(err) }); } else if (msg.hasOwnProperty("payload") && msg.payload.hasOwnProperty("lat") && msg.payload.hasOwnProperty("lon")) { node.w3w.positionToWords({ position:msg.payload.lat + "," + msg.payload.lon, lang:node.lang }) .then(function(response) { msg.payload = response; // prom.cape.pump if (!msg.hasOwnProperty("topic") || (msg.topic === "")) { msg.topic = "what3words"; } node.send(msg); }) .catch(function(err) { node.warn(err) }); } else if (typeof (msg.payload) === "string") { if (msg.payload.split(",").length === 2) { // see if it's 2 comma separated words node.w3w.positionToWords({ position:msg.payload, lang:node.lang }) .then(function(response) { msg.payload = response; // prom.cape.pump if (!msg.hasOwnProperty("topic") || (msg.topic === "")) { msg.topic = "what3words"; } node.send(msg); }) .catch(function(err) { node.warn(err); }); } else if (msg.payload.match(w3)) { // see if it's 3 dot separated words node.w3w.wordsToPosition({ words:msg.payload }) .then(function(response) { if (!msg.hasOwnProperty("location")) { msg.location = {}; } msg.location.lat = Number(response.split(",")[0]); msg.location.lon = Number(response.split(",")[1]); node.send(msg); }) .catch(function(err) { node.warn(err) }); } else if (msg.payload.match(w1)) { // see if it's a *Oneword node.w3w.wordsToPosition({ words:msg.payload }) .then(function(response) { if (!msg.hasOwnProperty("location")) { msg.location = {}; } msg.location.lat = Number(response.split(",")[0]); msg.location.lon = Number(response.split(",")[1]); msg.payload = response; node.send(msg); }) .catch(function(err) { node.warn(err); }); } else { node.warn("No useable data found. See info."); } } else { node.warn("No useable data found. See info."); } }); } RED.nodes.registerType("what3words", what3wordsNode, { credentials: { apikey: {type: "password"} } }); }