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