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Merge branch 'feed_refactor'

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This commit is contained in:
Julian Lam
2013-09-04 13:54:44 -04:00
parent 31f08c49e7 661fdfb43e
commit bcbcf40eae
4 changed files with 102 additions and 92 deletions
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3
package.json
View File

@@ -36,7 +36,8 @@
"reds": "~0.2.4",
"winston": "~0.7.2",
"nodebb-plugin-mentions": "~0.1.0",
"nodebb-plugin-markdown": "~0.1.0"
"nodebb-plugin-markdown": "~0.1.0",
"rss": "~0.2.0"
},
"bugs": {
"url": "https://github.com/designcreateplay/NodeBB/issues"

138
src/feed.js
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@@ -4,106 +4,98 @@
posts = require('./posts.js'),
topics = require('./topics.js'),
fs = require('fs'),
rss = require('node-rss'),
rss = require('rss'),
winston = require('winston'),
path = require('path');
function saveFeed(location, feed) {
Feed.defaults = {
ttl: 60,
basePath: path.join(__dirname, '../', 'feeds'),
baseUrl: nconf.get('url') + 'feeds'
};
Feed.saveFeed = function(location, feed, callback) {
var savePath = path.join(__dirname, '../', location);
fs.writeFile(savePath, rss.getFeedXML(feed), function (err) {
if(err) {
winston.err(err);
}
fs.writeFile(savePath, feed.xml(), function (err) {
if(err) return winston.err(err);
if (callback) callback(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) {
winston.info('[RSS] Updating RSS feeds for topic ' + tid);
var cache_time_in_seconds = 60;
Feed.updateTopic = function(tid, callback) {
if (process.env.NODE_ENV === 'development') winston.info('[rss] Updating RSS feeds for topic ' + tid);
topics.getTopicWithPosts(tid, 0, 0, -1, function(err, topicData) {
if (err) winston.error('Problem saving topic RSS feed', err.stack);
if (err) return winston.error('Problem saving topic RSS feed', err.stack);
var 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;
var topic_posts = topicData.main_posts.concat(topicData.posts);
var feed = new rss({
title: topicData.topic_name,
description: topicData.main_posts[0].content,
feed_url: Feed.defaults.baseUrl + '/topics/' + tid + '.rss',
site_url: nconf.get('url') + 'topic/' + topicData.slug,
image_url: topicData.main_posts[0].picture,
author: topicData.main_posts[0].username,
pubDate: new Date(parseInt(topicData.main_posts[0].timestamp, 10)).toUTCString(),
ttl: Feed.defaults.ttl
}),
topic_posts = topicData.main_posts.concat(topicData.posts),
title, postData, dateStamp;
for (var i = 0, ii = topic_posts.length; i < ii; i++) {
urn = 'urn:' + cid + ':' + tid + ':' + topic_posts[i].pid;
title = 'Reply to ' + topicData.topic_name + ' on ' + (new Date(parseInt(topic_posts[i].timestamp, 10)).toUTCString());
postData = topic_posts[i];
dateStamp = new Date(parseInt(postData.edited === 0 ? postData.timestamp : postData.edited, 10)).toUTCString();
title = 'Reply to ' + topicData.topic_name + ' on ' + dateStamp;
feed.addNewItem(
title,
location,
topic_posts[i].timestamp,
topic_posts[i].content,
{
'urn' : urn,
'username' : topic_posts[i].username
}
);
feed.item({
title: title,
description: postData.content,
url: nconf.get('url') + 'topic/' + topicData.slug + '#' + postData.pid,
author: postData.username,
date: dateStamp
});
}
saveFeed('feeds/topics/' + tid + '.rss', feed);
Feed.saveFeed('feeds/topics/' + tid + '.rss', feed, function(err) {
if (callback) callback();
});
});
};
Feed.updateCategory = function(cid) {
Feed.updateCategory = function(cid, callback) {
if (process.env.NODE_ENV === 'development') winston.info('[rss] Updating RSS feeds for category ' + cid);
categories.getCategoryById(cid, 0, function(err, categoryData) {
if (err) {
winston.error('Could not update RSS feed for category ' + cid, err.stack);
return;
}
if (err) return winston.error('Could not update RSS feed for category ' + cid, err.stack);
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;
var feed = new rss({
title: categoryData.category_name,
description: categoryData.category_description,
feed_url: Feed.defaults.baseUrl + '/categories/' + cid + '.rss',
site_url: nconf.get('url') + 'category/' + categoryData.category_id,
pubDate: new Date(parseInt(categoryData.topics[0].lastposttime, 10)).toUTCString(),
ttl: Feed.defaults.ttl
}),
topics = categoryData.topics,
title, topicData, dateStamp;
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());
topicData = topics[i];
dateStamp = new Date(parseInt(topicData.lastposttime, 10)).toUTCString();
title = topics[i].title;
feed.addNewItem(
title,
location,
topics[i].timestamp,
topics[i].teaser_text,
{
'urn' : urn,
'username' : topics[i].username
}
);
feed.item({
title: title,
url: nconf.get('url') + 'topic/' + topicData.slug,
author: topicData.username,
date: dateStamp
});
}
saveFeed('feeds/categories/' + cid + '.rss', feed);
Feed.saveFeed('feeds/categories/' + cid + '.rss', feed, function(err) {
if (callback) callback();
});
});
};

2
src/posts.js
View File

@@ -314,7 +314,7 @@ var RDB = require('./redis.js'),
topics.getTopicField(tid, 'cid', function(err, cid) {
RDB.handle(err);
feed.updateTopic(tid, cid);
feed.updateTopic(tid);
RDB.zadd('categories:recent_posts:cid:' + cid, timestamp, pid);
RDB.zadd('categories:' + cid + ':tid', timestamp, tid);

51
src/webserver.js
View File

@@ -21,7 +21,8 @@ var express = require('express'),
installRoute = require('./routes/install.js'),
testBed = require('./routes/testbed.js'),
auth = require('./routes/authentication.js'),
meta = require('./meta.js');
meta = require('./meta.js'),
feed = require('./feed');
(function(app) {
var templates = null;
@@ -209,17 +210,25 @@ var express = require('express'),
app.get('/topic/:topic_id/:slug?', function(req, res) {
var tid = req.params.topic_id;
if (tid.match(/^\d+\.rss$/)) {
fs.readFile(path.join(__dirname, '../', 'feeds/topics', tid), function (err, data) {
if (err) {
res.type('text').send(404, "Unable to locate an rss feed at this location.");
return;
}
res.type('xml').set('Content-Length', data.length).send(data);
});
if (tid.match(/^\d+\.rss$/)) {
tid = tid.slice(0, -4);
var rssPath = path.join(__dirname, '../', 'feeds/topics', tid + '.rss'),
loadFeed = function() {
fs.readFile(rssPath, function (err, data) {
if (err) res.type('text').send(404, "Unable to locate an rss feed at this location.");
else res.type('xml').set('Content-Length', data.length).send(data);
});
};
if (!fs.existsSync(rssPath)) {
feed.updateTopic(tid, function() {
loadFeed();
});
} else loadFeed();
return;
}
@@ -280,14 +289,22 @@ var express = require('express'),
var cid = req.params.category_id;
if (cid.match(/^\d+\.rss$/)) {
fs.readFile(path.join(__dirname, '../', 'feeds/categories', cid), function (err, data) {
if (err) {
res.type('text').send(404, "Unable to locate an rss feed at this location.");
return;
}
cid = cid.slice(0, -4);
var rssPath = path.join(__dirname, '../', 'feeds/categories', cid + '.rss'),
loadFeed = function() {
fs.readFile(rssPath, function (err, data) {
if (err) res.type('text').send(404, "Unable to locate an rss feed at this location.");
else res.type('xml').set('Content-Length', data.length).send(data);
});
};
if (!fs.existsSync(rssPath)) {
feed.updateCategory(cid, function() {
loadFeed();
});
} else loadFeed();
res.type('xml').set('Content-Length', data.length).send(data);
});
return;
}