blog: Generate RSS feeds

Makefile

@@ -136,7 +136,7 @@ blogclean:
 	rm -rf out/blog
 
 blog: doc/blog out/Release/node tools/blog
-	out/Release/node tools/blog/generate.js doc/blog/ out/blog/ doc/blog.html
+	out/Release/node tools/blog/generate.js doc/blog/ out/blog/ doc/blog.html doc/rss.xml
 
 $(apidoc_dirs):
 	mkdir -p $@

doc/rss.xml

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<rss version="2.0"
+	xmlns:content="http://purl.org/rss/1.0/modules/content/"
+	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
+	xmlns:dc="http://purl.org/dc/elements/1.1/"
+	xmlns:atom="http://www.w3.org/2005/Atom"
+	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
+	xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
+	xmlns:georss="http://www.georss.org/georss" xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#" xmlns:media="http://search.yahoo.com/mrss/"
+	>
+
+<channel>
+	<title>Node.js Blog</title>
+  <atom:link href="http://blog.nodejs.org<%= uri %>" rel="self" type="application/rss+xml" />
+  <link>http://blog.nodejs.org/</link>
+	<description>The Blog about Node.js</description>
+  <lastBuildDate><%= new Date().toUTCString() %></lastBuildDate>
+	<language>en</language>
+	<sy:updatePeriod>weekly</sy:updatePeriod>
+	<sy:updateFrequency>1</sy:updateFrequency>
+	<generator>http://nodejs.org/</generator>
+  <image>
+    <url>http://nodejs.org/images/logo-light.png</url>
+		<title>Node.js</title>
+    <link>http://blog.nodejs.org/</link>
+	</image>
+  <%
+  posts.forEach(function(post) {
+    %>
+    <item>
+      <title><%= post.title %></title>
+      <link>http://blog.nodejs.org<%= post.permalink %></link>
+      <pubDate><%= post.date.toUTCString() %></pubDate>
+      <dc:creator><%= post.author %></dc:creator>
+      <category><![CDATA[<%= post.category %>]]></category>
+
+      <guid isPermaLink="true">http://blog.nodejs.org<%= post.permalink %></guid>
+      <description><![CDATA[<%- post.content %>]]></description>
+      <content:encoded><![CDATA[<%- post.content %>]]></content:encoded>
+    </item>
+    <%
+  });
+  %>
+</channel>
+</rss>

tools/blog/generate.js

@@ -10,6 +10,7 @@ var semver = require('semver');
 var input = path.resolve(process.argv[2]);
 var output = path.resolve(process.argv[3]);
 var template = path.resolve(process.argv[4]);
+var rssTemplate = path.resolve(process.argv[5]);
 
 var config = {
   postsPerPage: 4
@@ -20,7 +21,13 @@ console.error("argv=%j", process.argv)
 fs.readFile(template, 'utf8', function(er, contents) {
   if (er) throw er;
   template = ejs.compile(contents, template);
-  readInput();
+  template.filename = 'index.html';
+  fs.readFile(rssTemplate, 'utf8', function(er, contents) {
+    if (er) throw er;
+    rssTemplate = ejs.compile(contents, rssTemplate);
+    rssTemplate.filename = 'index.xml';
+    readInput();
+  });
 });
 
 function readInput() {
@@ -101,14 +108,15 @@ function buildPermalink(key, post) {
   return data;
 }
 
-function writeFile(uri, data) {
+function writeFile(uri, data, templ) {
+  if (!templ) templ = template;
   data.uri = path.join(data.uri);
   uri = path.join(uri);
-  var contents = template(data);
+  var contents = templ(data);
   var outdir = path.join(output, uri);
   mkdirp(outdir, function(er) {
     if (er) throw er;
-    var file = path.resolve(outdir, 'index.html');
+    var file = path.resolve(outdir, templ.filename);
     fs.writeFile(file, contents, 'utf8', function(er) {
       if (er) throw er;
       console.log('wrote: ', data.pageid, path.relative(process.cwd(), file));
@@ -248,8 +256,10 @@ function writePaginated(title, posts, p, total, id) {
   };
   if (p === 0) {
     writeFile(uri, d);
+    writeFile('/feed' + uri, d, rssTemplate);
   }
   writeFile(uri + p, d);
+  writeFile('/feed' + uri + p, d, rssTemplate);
 }
 
 function buildOutput(data) {