Add feedparse to node-red-nodes, fix lint etc

2025-03-01 10:37:43 +00:00 · 2015-06-13 18:46:24 +01:00
parent 374a8efbf6
commit 19b72a90cd
5 changed files with 364 additions and 0 deletions
--- a/social/feedparser/32-feedparse.js
+++ b/social/feedparser/32-feedparse.js
@@ -0,0 +1,79 @@
+/**
+ * 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);
+}