main app loading articles in memory

src/app.js

@@ -1,11 +1,45 @@
 const express = require('express');
 const app = express();
 
-module.exports = (/*config*/) => {
-    app.get('/', (req,res) => {
+const cons = {
+    ok: '\x1b[32m✔\x1b[0m %s',
+    warn: '\x1b[33m⚠\x1b[0m %s',
+    error: '\x1b[31m✘\x1b[0m %s',
+};
+
+module.exports = (config) => {
+    const fw = require('./file_walker')(config);
+
+    const articles = [];
+
+    const reload = (callback) => {
+        fw.fetchArticles((err, list) => {
+            if (err) {
+                callback(false);
+                return console.error(cons.error, 'loading articles : ' + err);
+            }
+            articles.splice(0, articles.length, ...list);
+            if (articles.length > 0)
+                console.log(cons.ok, `loaded ${articles.length} article${articles.length > 1 ? 's' : ''}`);
+            else
+                console.log(cons.warn, `no articles loaded, check your configuration`);
+            callback(true);
+        });
+    };
+
+    app.get('/', (req, res) => {
         res.status(200).send('Hello World!');
     });
 
+    app.start = () => {
+        reload((res) => {
+            if (res)
+                app.listen(config['node_port'], () => {
+                    console.log(cons.ok, `gitblog.md server listening on port ${config['node_port']}`);
+                });
+        });
+    };
+
     return app;
 };
 

src/server.js

@@ -1,7 +1,4 @@
 const config = require('./config')();
 const app = require('./app')(config);
 
-app.listen(config['node_port'], () => {
-    console.log(`gitblog.md server listening on port ${config['node_port']}`);
-});
-
+app.start();