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node-red-nodes/io/emoncms/88-emoncms.js
2016-11-06 20:26:19 +00:00

112 lines
3.7 KiB
JavaScript

module.exports = function(RED) {
"use strict";
//The Server Definition - this opens (and closes) the connection
function EmoncmsServerNode(n) {
RED.nodes.createNode(this,n);
this.server = n.server;
this.name = n.name;
}
RED.nodes.registerType("emoncms-server",EmoncmsServerNode,{
credentials: {
apikey: {type:"text"}
}
});
function Emoncms(n) {
RED.nodes.createNode(this,n);
this.emonServer = n.emonServer;
var sc = RED.nodes.getNode(this.emonServer);
this.baseurl = sc.server;
this.apikey = sc.credentials.apikey;
this.nodegroup = n.nodegroup || "";
var node = this;
var http;
if (this.baseurl.substring(0,5) === "https") { http = require("https"); }
else { http = require("http"); }
this.on("input", function(msg) {
this.url = this.baseurl + '/input/post.json?';
if (typeof(msg.payload) !== "string") {
this.url += 'json=' + JSON.stringify(msg.payload);
}
else {
if (msg.payload.indexOf(':') > -1) {
this.url += 'json={' + msg.payload + '}';
} else {
this.url += 'csv='+msg.payload;
}
}
this.url += '&apikey='+this.apikey;
var nodegroup = this.nodegroup || msg.nodegroup;
if (nodegroup !== "") {
this.url += '&node=' + nodegroup;
}
if (typeof msg.time !== 'undefined') {
if (!isNaN(parseInt(msg.time))) { this.url += '&time=' + msg.time; }
}
http.get(this.url, function(res) {
msg.rc = res.statusCode;
msg.payload = "";
res.setEncoding('utf8');
res.on('data', function(chunk) {
msg.payload += chunk;
});
res.on('end', function() {
if (msg.rc === 200) {
node.send(msg);
}
});
}).on('error', function(e) {
node.error(e,msg);
});
});
}
RED.nodes.registerType("emoncms",Emoncms);
function Emoncmsin(n) {
RED.nodes.createNode(this,n);
this.emonServer = n.emonServer;
var sc = RED.nodes.getNode(this.emonServer);
this.baseurl = sc.server;
this.apikey = sc.credentials.apikey;
this.feedid = n.feedid
var node = this;
var http;
if (this.baseurl.substring(0,5) === "https") { http = require("https"); }
else { http = require("http"); }
this.on("input", function(msg) {
this.url = this.baseurl + '/feed/value.json';
this.url += '&apikey='+this.apikey;
var feedid = this.feedid || msg.feedid;
if (feedid !== "") {
this.url += '&id=' + feedid;
}
http.get(this.url, function(res) {
msg.rc = res.statusCode;
msg.payload = "";
res.setEncoding('utf8');
res.on('data', function(chunk) {
msg.payload += chunk;
});
res.on('end', function() {
if (msg.rc === 200) {
try {
msg.payload = JSON.parse(msg.payload);
} catch(err) {
// Failed to parse, pass it on
}
node.send(msg);
}
});
}).on('error', function(e) {
node.error(e,msg);
});
});
}
RED.nodes.registerType("emoncms in",Emoncmsin);
}