totally derped commit

src/feed.js

@@ -24,7 +24,7 @@
 		});
 	}
 
-	Feed.updateTopic = function(tid, cid) {
+	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) {
@@ -57,11 +57,12 @@
 			}
 
 			Feed.saveFeed('feeds/topics/' + tid + '.rss', feed);
+			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) return winston.error('Could not update RSS feed for category ' + cid, err.stack);
@@ -90,6 +91,7 @@
 			}
 
 			Feed.saveFeed('feeds/categories/' + cid + '.rss', feed);
+			if (callback) callback();
 		});
 
 	};

src/posts.js

@@ -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);

src/webserver.js

@@ -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;
@@ -212,15 +213,25 @@ var express = require('express'),
 
 			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.");
+				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.");
+								return;
+							}
+
+							res.type('xml').set('Content-Length', data.length).send(data);
+						});
 						return;
-					}
+					};
 
-					res.type('xml').set('Content-Length', data.length).send(data);
-				});
-				return;
+				if (!fs.existsSync(rssPath)) {
+					feed.updateTopic(tid, function() {
+						loadFeed();
+					});
+				} else loadFeed();
 			}
 
 			async.waterfall([