feat: add mongodb and dotenv

.gitignore

@@ -1,4 +1,5 @@
 .vscode
 node_modules
 dist
-*.log
+*.log
+.env

package.json

@@ -9,15 +9,17 @@
     "clean": "rm -rf dist",
     "client": "webpack-dev-server --mode development --config config/webpack.config.js",
     "server": "nodemon src/server/bin/www",
-    "dev": "concurrently \"yarn run server\" \"yarn run client\"",
+    "dev": "NODE_ENV=development concurrently \"yarn run server\" \"yarn run client\"",
     "heroku-postbuild": "yarn run build"
   },
   "dependencies": {
     "cookie-parser": "~1.4.3",
     "debug": "~2.6.9",
+    "dotenv": "^6.0.0",
     "ejs": "~2.5.7",
     "express": "^4.16.3",
     "http-errors": "~1.6.2",
+    "mongodb": "^3.1.6",
     "morgan": "~1.9.0",
     "node-sass": "^4.9.3",
     "node-sass-middleware": "0.11.0",

src/server/app.js

@@ -8,6 +8,8 @@ const sassMiddleware = require('node-sass-middleware');
 
 const assetPath = require('./asset_path.js');
 
+const db = require('./modules/db.js');
+
 const indexRouter = require('./routes/index');
 const usersRouter = require('./routes/users');
 
@@ -16,6 +18,23 @@ const serverRoot = path.join(__dirname, '.');
 
 const app = express();
 
+// Connect to DB, and insert default user if necessary
+db.connect().then((db) => {
+  let collection = db.collection('users');
+  collection.countDocuments().then((res) => {
+    if (res === 0) {
+      collection.insertOne({
+        login: 'laurent',
+        password: 'laurent',
+        firstName: 'Laurent',
+        lastName: 'Leleux'
+      }).catch((err) => {
+        console.log('[App] Unable to insert default user');
+      });
+    }
+  })
+});
+
 app.locals.assetPath = assetPath;
 
 app.set('views', path.join(__dirname, 'views'));

src/server/bin/www

@@ -1,5 +1,12 @@
 #!/usr/bin/env node
 
+/**
+ * Read env variables
+ */
+if (process.env.NODE_ENV === 'development') {
+  require('dotenv').config()
+}
+
 /**
  * Module dependencies.
  */

src/server/modules/db.js

@@ -0,0 +1,44 @@
+/**
+ * Imports
+ */
+const MongoClient = require('mongodb').MongoClient;
+const assert = require('assert');
+
+
+
+/**
+ * Variables
+ */
+// Connection URL
+const url = process.env.DB_URL;
+// Database Name
+const dbName = process.env.DB_DB;
+
+
+
+/**
+ * Connect to the database
+ */
+let connect = () => {
+    return new Promise((resolve, reject) => {
+        const client = new MongoClient(url);
+        client.connect(function(err) {
+            if (err) {
+                console.log("[DB] Unable to connect to server: " + err.message);
+                reject(err);
+            } else {
+                console.log("[DB] Connected successfully to server");
+                exports.db = client.db(dbName);
+                resolve(exports.db);
+            }
+        });
+    });
+};
+
+
+
+/**
+ * Exports
+ */
+exports.connect = connect;
+exports.db = null; // db will be set after connected;

src/server/routes/users.js

@@ -1,11 +1,10 @@
 var express = require('express');
 var router = express.Router();
-
+const db = require('../modules/db.js');
 
 router.get('/current', function(req, res, next) {
-  res.json({
-    firstName: 'John',
-    lastName: 'Doe',
+  db.db.collection('users').findOne().then((user) => {
+    res.json(user);
   });
 });