rss support

config.default.js

@@ -27,6 +27,17 @@ exports.config = {
 	// 话题列表显示的话题数量
 	list_topic_count: 20,
 
+	// RSS
+	rss: {
+		title: 'CNode：Node.js专业中文社区',
+		link: 'http://cnodejs.org',
+		language: 'zh-cn',
+		description: 'CNode：Node.js专业中文社区',
+
+		//最多获取的RSS Item数量
+		max_rss_items: 50
+	},
+
 	// mail SMTP
 	mail_port: 25,
 	mail_user: 'club',
@@ -48,4 +59,4 @@ exports.config = {
 var host = exports.config.host;
 if (host[host.length - 1] === '/') {
 	exports.config.host = host.substring(0, host.length - 1);
-}
+}

controllers/rss.js

@@ -0,0 +1,37 @@
+var topic_ctrl = require('./topic');
+
+var config = require('../config').config;
+var data2xml = require('data2xml');
+
+exports.index = function (req,res,next) {
+	var opt = { limit: config.rss.max_rss_items, sort: [['create_at','desc']] };
+
+	topic_ctrl.get_topics_by_query({}, opt, function (err, topics) {
+		if(err) return next(err);
+
+		var rss_obj = {
+			_attr: { version: '2.0' },
+			channel: {
+				title: config.rss.title,
+				link: config.rss.link,
+				language: config.rss.language,
+				description: config.rss.description
+			},
+			item: []
+		};
+
+		topics.forEach(function (topic) {
+			rss_obj.item.push({
+				title: topic.title,
+				content: topic.content,
+				//author: topic.author,
+				link: config.rss.link + '/topic/' + topic._id
+			});
+		});
+
+		var rss_content = data2xml('rss', rss_obj);
+
+		res.contentType('application/xml');
+		res.send(rss_content);
+	});
+};

package.json

@@ -11,6 +11,7 @@
     "node-markdown": "0.1.0",
     "validator": "0.3.7",
     "ndir": "0.1.2",
-    "nodemailer": "0.3.5"
+    "nodemailer": "0.3.5",
+    "data2xml": "0.4.0"
   }
 }

routes.js

@@ -15,6 +15,7 @@ var message = require('./controllers/message');
 var tag = require('./controllers/tag');
 var topic = require('./controllers/topic');
 var reply = require('./controllers/reply');
+var rss = require('./controllers/rss');
 var upload = require('./controllers/upload');
 var static = require('./controllers/static');
 var tools =require('./controllers/tools');
@@ -93,4 +94,7 @@ exports = module.exports = function(app) {
   // static
   app.get('/about', static.about);
   app.get('/faq', static.faq);
-};
+
+  //rss
+  app.get('/rss', rss.index);
+};