Add RSS Feed

Issue #366
- adds node-rss dependency
- adds /rss/ and /rss/:page/ routes which return XML RSS 2.0 feed

core/server/controllers/frontend.js

@@ -6,6 +6,7 @@
 
 var Ghost = require('../../ghost'),
     api = require('../api'),
+    RSS = require('rss'),
 
     ghost = new Ghost(),
     frontendControllers;
@@ -46,6 +47,60 @@ frontendControllers = {
                 res.render('post', {post: post});
             });
         });
+    },
+    'rss': function (req, res) {
+        // Initialize RSS
+        var feed = new RSS({
+            title: ghost.settings().title,
+            description: ghost.settings().description,
+            generator: 'Ghost v' + ghost.settings().currentVersion,
+            author: ghost.settings().author,
+            feed_url: ghost.settings().url + '/rss/',
+            site_url: ghost.settings().url,
+            ttl: '60'
+        }),
+
+        // Parse the page number
+            pageParam = req.params.page !== undefined ? parseInt(req.params.page, 10) : 1;
+
+        // No negative pages
+        if (pageParam < 1) {
+            return res.redirect("/rss/1/");
+        }
+
+        api.posts.browse({page: pageParam}).then(function (page) {
+            var maxPage = page.pages;
+
+            // A bit of a hack for situations with no content.
+            if (maxPage === 0) {
+                maxPage = 1;
+                page.pages = 1;
+            }
+
+            // If page is greater than number of pages we have, redirect to last page
+            if (pageParam > maxPage) {
+                return res.redirect("/rss/" + maxPage + "/");
+            }
+
+            ghost.doFilter('prePostsRender', page.posts, function (posts) {
+                posts.forEach(function (post) {
+                    var item = {
+                        title:  post.title,
+                        guid: post.uuid,
+                        url: ghost.settings().url + '/' + post.slug + '/',
+                        date: post.published_at
+                    };
+
+                    if (post.meta_description !== null) {
+                        item.push({ description: post.meta_description });
+                    }
+
+                    feed.item(item);
+                });
+                res.set('Content-Type', 'text/xml');
+                res.send(feed.xml());
+            });
+        });
     }
 };
 

index.js

@@ -238,6 +238,8 @@ when.all([ghost.init(), filters.loadCoreFilters(ghost), helpers.loadCoreHelpers(
 
     // ### Frontend routes
     /* TODO: dynamic routing, homepage generator, filters ETC ETC */
+    ghost.app().get('/rss/', frontend.rss);
+    ghost.app().get('/rss/:page/', frontend.rss);
     ghost.app().get('/:slug', frontend.single);
     ghost.app().get('/', frontend.homepage);
     ghost.app().get('/page/:page/', frontend.homepage);

package.json

@@ -27,7 +27,8 @@
         "semver": "2.1.0",
         "fs-extra": "0.6.3",
         "downsize": "0.0.2",
-        "validator": "1.4.0"
+        "validator": "1.4.0",
+        "rss": "0.2.0"
     },
     "devDependencies": {
         "grunt": "~0.4.1",