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.
nodebb/src/feed.js

110 lines
2.7 KiB
JavaScript

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