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Add 'Emoncms in' to fetch latest feed value from emoncms server

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Glyn Hudson
2015-10-21 12:08:30 +01:00
parent 4121abf5d2
commit df6fe4b17c
4 changed files with 127 additions and 9 deletions
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50
io/emoncms/88-emoncms.js
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@@ -79,5 +79,53 @@ module.exports = function(RED) {
});
});
}
RED.nodes.registerType("emoncms",Emoncms);
RED.nodes.registerType("emoncms out",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;
}
if (typeof msg.time !== 'undefined') {
this.url += '&time=' + msg.time;
}
node.log("[emoncms] "+this.url);
http.get(this.url, function(res) {
node.log("Http response: " + res.statusCode);
msg.rc = res.statusCode;
msg.payload = "";
if ((msg.rc != 200) && (msg.rc != 404)) {
node.send(msg);
}
res.setEncoding('utf8');
res.on('data', function(chunk) {
msg.payload += chunk;
});
res.on('end', function() {
node.send(msg);
});
}).on('error', function(e) {
// node.error(e);
msg.rc = 503;
msg.payload = e;
node.send(msg);
});
});
}
RED.nodes.registerType("emoncms in",Emoncmsin);
}