You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
110 lines
2.7 KiB
JavaScript
110 lines
2.7 KiB
JavaScript
(function(Feed) {
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var RDB = require('./redis.js'),
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schema = require('./schema.js'),
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posts = require('./posts.js'),
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topics = require('./topics.js'),
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fs = require('fs'),
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rss = require('node-rss');
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function saveFeed(location, feed) {
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fs.writeFile(location, rss.getFeedXML(feed), function (err) {
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if (err) throw err;
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});
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}
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function createFeed(title, description, feed_url, xml_url, author, urn) {
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return rss.createNewFeed(
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title,
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feed_url,
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description,
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author,
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xml_url,
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{
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'urn' : urn
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}
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);
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}
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Feed.updateTopic = function(tid, cid) {
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var cache_time_in_seconds = 60;
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function getTopicData(next) {
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topics.getTopicById(tid, 0, function(topicData) {
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next(null, topicData);
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});
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}
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function getPostsData(next) {
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posts.getPostsByTid(tid, 0, -20, -1, function(postsData) {
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next(null, postsData);
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});
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}
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async.parallel([getTopicData, getPostsData], function(err, results) {
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var topicData = results[0],
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postsData = results[1].postData,
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userData = results[1].userData,
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location = '/topic/' + topicData.slug,
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xml_url = '/topic/' + tid + '.rss';
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var post = topicData.main_posts[0];
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var urn = 'urn:' + cid + ':' + tid;
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var feed = createFeed(topicData.topic_name, '', location, xml_url, post.username, urn);
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var title;
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for (var i = 0, ii = postsData.pid.length; i < ii; i++) {
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urn = 'urn:' + cid + ':' + tid + ':' + postsData.pid[i];
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title = 'Reply to ' + topicData.topic_name + ' on ' + (new Date(parseInt(postsData.timestamp[i], 10)).toUTCString());
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feed.addNewItem(
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title,
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location,
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postsData.timestamp[i],
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postsData.content[i],
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{
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'urn' : urn,
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'username' : userData[postsData.uid[i]].username
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}
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);
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}
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saveFeed('feeds/topics/' + tid + '.rss', feed);
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});
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};
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Feed.updateCategory = function(cid) {
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categories.getCategoryById(cid, 0, function(categoryData) {
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var location = '/category/' + categoryData.category_id + '/' + categoryData.category_name,
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xml_url = '/category' + cid + '.rss';
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var urn = 'urn:' + cid;
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var feed = createFeed(categoryData.category_name, '', location, xml_url, 'NodeBB', urn); // not exactly sure if author for a category should be site_title?
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var title;
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var topics = categoryData.topics;
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for (var i = 0, ii = topics.length; i < ii; i++) {
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urn = 'urn:' + cid + ':' + topics[i].tid;
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title = topics[i].title + '. Posted on ' + (new Date(parseInt(topics[i].timestamp, 10)).toUTCString());
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feed.addNewItem(
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title,
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location,
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topics[i].timestamp,
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topics[i].teaser_text,
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{
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'urn' : urn,
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'username' : topics[i].username
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}
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);
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}
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saveFeed('feeds/categories/' + cid + '.rss', feed);
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});
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};
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}(exports)); |