mirror of
https://github.com/node-red/node-red-nodes.git
synced 2023-10-10 13:36:58 +02:00
80 lines
3.1 KiB
JavaScript
80 lines
3.1 KiB
JavaScript
|
/**
|
||
|
|
* Copyright 2013,2014 IBM Corp.
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
* you may not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
**/
|
||
|
|
|
||
|
|
module.exports = function(RED) {
|
||
|
|
"use strict";
|
||
|
|
var FeedParser = require("feedparser");
|
||
|
|
var request = require("request");
|
||
|
|
|
||
|
|
function FeedParseNode(n) {
|
||
|
|
RED.nodes.createNode(this,n);
|
||
|
|
this.url = n.url;
|
||
|
|
this.interval = (parseInt(n.interval)||15) * 60000;
|
||
|
|
var node = this;
|
||
|
|
this.interval_id = null;
|
||
|
|
this.seen = {};
|
||
|
|
if (this.url !== "") {
|
||
|
|
var getFeed = function() {
|
||
|
|
var req = request(node.url, {timeout: 10000, pool: false});
|
||
|
|
//req.setMaxListeners(50);
|
||
|
|
//req.setHeader('user-agent', 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63 Safari/537.36');
|
||
|
|
req.setHeader('accept', 'text/html,application/xhtml+xml');
|
||
|
|
|
||
|
|
var feedparser = new FeedParser();
|
||
|
|
|
||
|
|
req.on('error', function(err) { node.error(err); });
|
||
|
|
|
||
|
|
req.on('response', function(res) {
|
||
|
|
if (res.statusCode != 200) { node.warn('error - Bad status code'); }
|
||
|
|
else { res.pipe(feedparser); }
|
||
|
|
});
|
||
|
|
|
||
|
|
feedparser.on('error', function(error) { node.error(error); });
|
||
|
|
|
||
|
|
feedparser.on('readable', function () {
|
||
|
|
var stream = this, article;
|
||
|
|
while (article = stream.read()) { // jshint ignore:line
|
||
|
|
if (!(article.guid in node.seen) || ( node.seen[article.guid] !== 0 && node.seen[article.guid] != article.date.getTime())) {
|
||
|
|
node.seen[article.guid] = article.date?article.date.getTime():0;
|
||
|
|
var msg = {
|
||
|
|
topic: article.origlink || article.link,
|
||
|
|
payload: article.description,
|
||
|
|
article: article
|
||
|
|
};
|
||
|
|
node.send(msg);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
feedparser.on('meta', function (meta) {});
|
||
|
|
feedparser.on('end', function () {});
|
||
|
|
};
|
||
|
|
this.interval_id = setInterval(function() { getFeed(); }, node.interval);
|
||
|
|
getFeed();
|
||
|
|
} else {
|
||
|
|
this.error("Invalid url");
|
||
|
|
}
|
||
|
|
|
||
|
|
this.on("close", function() {
|
||
|
|
if (this.interval_id != null) {
|
||
|
|
clearInterval(this.interval_id);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
RED.nodes.registerType("feedparse",FeedParseNode);
|
||
|
|
}
|