mirror of https://github.com/node-red/node-red.git
76 lines
2.6 KiB
JavaScript
76 lines
2.6 KiB
JavaScript
/**
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* Copyright 2013 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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var RED = require("../../red/red");
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var FeedParser = require("feedparser");
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var request = require("request");
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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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this.interval = (parseInt(n.interval)||15)*60000;
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var node = this;
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this.interval_id = null;
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this.seen = {};
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if (this.url !== "") {
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var getFeed = function() {
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request(node.url,function(err) {
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if (err) node.error(err);
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})
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.pipe(new FeedParser({feedurl:node.url}))
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.on('error', function(error) {
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node.error(error);
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})
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.on('meta', function (meta) {})
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.on('article', function (article) {
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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: {
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summary:article.summary,
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link:article.link,
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date: article.date,
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pubdate: article.pubdate,
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author: article.author,
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guid: article.guid,
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}
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};
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node.send(msg);
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}
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})
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.on('end', function () {
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});
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};
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this.interval_id = setInterval(getFeed,node.interval);
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getFeed();
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} else {
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this.error("Invalid url");
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}
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}
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RED.nodes.registerType("feedparse",FeedParseNode);
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FeedParseNode.prototype.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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