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"; this.property = n.property||"payload"; 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) { var value = RED.util.getMessageProperty(msg,node.property); if (value !== undefined) { if (value.hasOwnProperty("lat") && value.hasOwnProperty("lon")) { node.w3w.positionToWords({ position:value.lat + "," + value.lon, lang:node.lang }) .then(function(response) { value = response; // prom.cape.pump if (!msg.hasOwnProperty("topic") || (msg.topic === "")) { msg.topic = "what3words"; } RED.util.setMessageProperty(msg,node.property,value); node.send(msg); }) .catch(function(err) { node.warn(err) }); } else if (typeof (value) === "string") { if (value.split(",").length === 2) { // see if it's 2 comma separated words node.w3w.positionToWords({ position:value, lang:node.lang }) .then(function(response) { value = response; // prom.cape.pump if (!msg.hasOwnProperty("topic") || (msg.topic === "")) { msg.topic = "what3words"; } RED.util.setMessageProperty(msg,node.property,value); node.send(msg); }) .catch(function(err) { node.warn(err); }); } else if (value.match(w3)) { // see if it's 3 dot separated words node.w3w.wordsToPosition({ words:value }) .then(function(response) { var loc = {}; loc.lat = Number(response.split(",")[0]); loc.lon = Number(response.split(",")[1]); RED.util.setMessageProperty(msg,"location",loc); node.send(msg); }) .catch(function(err) { node.warn(err) }); } else if (value.match(w1)) { // see if it's a *Oneword node.w3w.wordsToPosition({ words:value }) .then(function(response) { var loc = {}; loc.lat = Number(response.split(",")[0]); loc.lon = Number(response.split(",")[1]); RED.util.setMessageProperty(msg,"location",loc); 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"} } }); }