76 lines
3.1 KiB
JavaScript
76 lines
3.1 KiB
JavaScript
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module.exports = function(RED) {
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"use strict";
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var FeedParser = require("feedparser");
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var request = require("request");
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var url = require('url');
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function FeedParseNode(n) {
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RED.nodes.createNode(this,n);
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this.url = n.url;
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if (n.interval > 35790) { this.warn(RED._("feedparse.errors.invalidinterval")) }
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this.interval = (parseInt(n.interval)||15) * 60000;
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this.interval_id = null;
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this.ignorefirst = n.ignorefirst || false;
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this.seen = {};
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this.donefirst = false;
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var node = this;
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var parsedUrl = url.parse(this.url);
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if (!(parsedUrl.host || (parsedUrl.hostname && parsedUrl.port)) && !parsedUrl.isUnix) {
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node.error(RED._("feedparse.errors.invalidurl"),RED._("feedparse.errors.invalidurl"));
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}
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else {
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var getFeed = function() {
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var req = request(node.url, {timeout:10000, pool:false});
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//req.setMaxListeners(50);
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req.setHeader('user-agent', 'Mozilla/5.0 (Node-RED)');
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req.setHeader('accept', 'application/rss+xml,text/html,application/xhtml+xml,application/xml');
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var feedparser = new FeedParser();
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req.on('error', function(err) { node.error(err); });
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req.on('response', function(res) {
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if (res.statusCode != 200) { node.warn(RED._("feedparse.errors.badstatuscode")+" "+res.statusCode); }
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else { res.pipe(feedparser); }
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});
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feedparser.on('error', function(error) { node.error(error,error); });
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feedparser.on('readable', function () {
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var stream = this, article;
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while (article = stream.read()) { // jshint ignore:line
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if (!(article.guid in node.seen) || ( node.seen[article.guid] !== 0 && node.seen[article.guid] != article.date.getTime())) {
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node.seen[article.guid] = article.date ? article.date.getTime() : 0;
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var msg = {
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topic: article.origlink || article.link,
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payload: article.description,
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article: article
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};
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if (node.ignorefirst === true && node.donefirst === false) {
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// do nothing
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}
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else {
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node.send(msg);
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}
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}
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}
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});
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feedparser.on('meta', function (meta) {});
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feedparser.on('end', function () {});
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};
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node.interval_id = setInterval(function() { node.donefirst = true; getFeed(); }, node.interval);
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getFeed();
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}
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node.on("close", function() {
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if (this.interval_id != null) {
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clearInterval(this.interval_id);
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}
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});
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}
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RED.nodes.registerType("feedparse",FeedParseNode);
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}
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