mirror of
https://github.com/node-red/node-red-nodes.git
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117 lines
5.1 KiB
JavaScript
117 lines
5.1 KiB
JavaScript
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/**
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* Copyright 2014 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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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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function what3wordsNode(n) {
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RED.nodes.createNode(this, n);
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this.lang = n.lang || "en";
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var credentials = RED.nodes.getCredentials(n.id);
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if ((credentials) && (credentials.hasOwnProperty("pushkey"))) { this.pushkey = credentials.pushkey; } else { this.error("No what3words API key set"); }
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this.w3w = new What3Words(this.pushkey);
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var node = this;
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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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} 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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} 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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} 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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} else { node.warn("No useable data found. See info."); }
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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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var querystring = require('querystring');
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RED.httpAdmin.get('/what3words/:id', function(req, res) {
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var credentials = RED.nodes.getCredentials(req.params.id);
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if (credentials) {
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res.send(JSON.stringify({hasPassword:(credentials.pushkey && credentials.pushkey !== "")}));
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} else {
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res.send(JSON.stringify({}));
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}
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});
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RED.httpAdmin.delete('/what3words/:id', function(req, res) {
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RED.nodes.deleteCredentials(req.params.id);
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res.send(200);
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});
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RED.httpAdmin.post('/what3words/:id', function(req, res) {
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var body = "";
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req.on('data', function(chunk) {
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body += chunk;
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});
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req.on('end', function() {
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var newCreds = querystring.parse(body);
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var credentials = RED.nodes.getCredentials(req.params.id) || {};
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if (newCreds.pushkey === "") {
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delete credentials.pushkey;
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} else {
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credentials.pushkey = newCreds.pushkey || credentials.pushkey;
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}
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RED.nodes.addCredentials(req.params.id, credentials);
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res.send(200);
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});
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});
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}
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