RSS feed in app

src/app.js

@@ -2,6 +2,7 @@ const express = require('express');
 const app = express();
 const fs = require('fs');
 const path = require('path');
+const Rss = require('rss');
 
 /**
  * Terminal colors and symbols to display status messages
@@ -23,6 +24,7 @@ module.exports = (config) => {
   app.set('views', path.join(__dirname, '..'));
 
   const articles = {};
+  let lastRSS = '';
 
   /**
    * Fetch articles from the data folder and send success as a response
@@ -41,6 +43,9 @@ module.exports = (config) => {
         console.log(cons.ok, `loaded ${nb} article${nb > 1 ? 's' : ''}`);
       else
         console.log(cons.warn, `no articles loaded, check your configuration`);
+
+      lastRSS = '';
+
       callback(true);
     });
   };
@@ -87,10 +92,37 @@ module.exports = (config) => {
       if (err)
         showError(req.path, 404, res);
       else
-        render(res, homePath, {articles: Object.values(articles)});
+        render(res, homePath, {articles: Object.values(articles).sort((a, b) => ('' + b.path).localeCompare(a.path))});
     });
   });
 
+  //RSS endpoint
+  app.get(config['rss']['endpoint'], (req, res) => {
+    if (config['modules']['rss']) {
+      if (!lastRSS) {
+        const feed = new Rss({
+          'title': config['rss']['title'],
+          'description': config['rss']['description'],
+          'feed_url': 'http://' + req.headers.host + req.url,
+          'site_url': 'http://' + req.headers.host
+        });
+        Object.values(articles)
+          .slice(0, config['rss']['length'])
+          .forEach((article) => {
+            feed.item({
+              title: article.title,
+              url: 'http://' + req.headers.host + article.url,
+              date: article.date
+            });
+          });
+        lastRSS = feed.xml();
+      }
+      res.type('rss').send(lastRSS);
+    } else {
+      showError(req.path, 404, res);
+    }
+  });
+
   // catch all article urls and render them
   app.get('*', (req, res, next) => {
     if (/^\/\d{4}\/\d{2}\/\d{2}\/(\w*\/)?$/.test(req.path)) {

src/config.default.json

@@ -2,7 +2,7 @@
   "node_port": 3000,
   "data_dir": "data",
   "view_engine": "ejs",
-  "loopback_url": "http://localhost:3000",
+  "language": "en-us",
   "modules": {
     "plantuml": false,
     "rss": true,

src/file_walker.js

@@ -87,6 +87,7 @@ module.exports = (config) => {
             day: parseInt(matches[3])
           };
           article.date = new Date(article.year, article.month, article.day);
+          article.date.setUTCHours(0);
           remaining++;
           readIndexFile(path.join(article.realPath, config['article']['index']), config['article']['thumbnail_tag'], (err, info) => {
             if (err)

src/rss.js

@@ -1,40 +0,0 @@
-const convert = require('xml-js');
-
-const mapArticle = (url, article) => {
-  return {
-    'title': {'_text': article.title},
-    'link': {'_text': (url + article.url).replace(/([^:])\/\//g, '$1/')},
-    'pubDate': {'_text': article.date.toString()},
-  };
-};
-
-module.exports = (config) => {
-  return {
-    get: (dict) => {
-      const items = Object.values(dict)
-        .sort((a, b) => ('' + b.path).localeCompare(a.path))
-        .slice(0, config['rss']['length']);
-      const data = {
-        '_declaration': {
-          '_attributes': {
-            'version': '1.0',
-            'encoding': 'UTF-8'
-          }
-        },
-        'rss': {
-          '_attributes': {
-            'version': '2.0'
-          },
-          'title': {'_text': config['rss']['title']},
-          'description': {'_text': config['rss']['description']},
-          'link': {'_text': config['loopback_url']},
-          'lastBuildDate': {'_text': new Date().toString()},
-          'lastPubDate': {'_text': new Date().toString()},
-          'ttl': {'_text': '60'},
-          'item': items.map((a) => mapArticle(config['loopback_url'], a))
-        }
-      };
-      return convert.js2xml(data, {compact: true});
-    }
-  };
-};