I have tried to follow the videos

controllers/apiController.js

@@ -2,27 +2,92 @@ const fs = require('fs');
 const express = require('express');
 const router = express.Router();
 const bodyParser = require('body-parser')
+const MongoClient = require('mongodb').MongoClient;
+const ObjectID = require('mongodb').ObjectID;
+const mongoose = require('mongoose');
+const Post = require('../models/Posts');
 
 router.use(bodyParser.json());
 
-router.get('/posts', (req, res, next) => {
-    const filePath = __dirname + '/../data/posts.json';
-    const callbackFunction = function(error, file) {
-        if(error) {
-            return next(error);
-        }
-        // we call .toString() to turn the file buffer to a String
-        const fileData = file.toString();
-        // we use JSON.parse to get an object out the String
-        const postsJson = JSON.parse(fileData);
-        res.json(postsJson);
-    };
-    fs.readFile(filePath, callbackFunction);
+router.get('/students', (req, res) => {
+
+    const mongoConnection = 'mongodb://localhost:27017/profile';
+    MongoClient.connect(mongoConnection, (err, db) => {
+        const cursor = db.collection('students').find({});
+        cursor.toArray((error, students) => {
+            db.close();
+            res.json(students);
+        });
+    });
+});
+
+router.get('/students/:studentid', (req, res) => {
+    const studentID = req.params.studentid;
+    console.log(studentID);
+    const mongoConnection = 'mongodb://localhost:27017/profile';
+
+    MongoClient.connect(mongoConnection, (err, db) => {
+        const cursor = db.collection('students').find(ObjectID(studentID));
+        cursor.toArray((error, students) => {
+            db.close();
+            res.json(students[0]);
+        });
+    });
 });
 
-router.post('/posts', (req, res) => {
-    console.log(req.body);
-    res.status(500).send('not implemented');
+
+router.get('/students/country/:country', (req, res) => {
+    const studentsdefinedbyCountry = req.params.country;
+    const mongoConnection = 'mongodb://localhost:27017/profile';
+
+    MongoClient.connect(mongoConnection, (err, db) => {
+        const cursor = db.collection('students').find({ "Country": studentsdefinedbyCountry });
+        cursor.toArray((error, studentsdefinedbyCountry) => {
+            db.close();
+            res.json(studentsdefinedbyCountry);
+        });
+
+    });
+
 });
 
-module.exports = router;
+router.get('/api/posts', (req, res, next) => {
+
+    const post = req.body;
+
+    console.log(req.body); // contains non-file fields
+    const callback = (error, post) => {
+        // handle any errors which might ocur
+        if (error) {
+            console.error(error);
+            return res.redirect('/error');
+        }
+
+        console.log('post saved successfully', post);
+        res.send(post);
+    }
+
+    mongoose.connect(mongoConnection);
+    // This is using the Model to create an object
+    // based on the fields submitted from the form
+    const newPost = new Post(req.body);
+    newPost.save(callback);
+
+    router.post('/posts', (req, res) => {
+        console.log(req.body);
+        res.status(500).send('not implemented');
+    });
+
+
+    //     const mongoConnection = 'mongodb://localhost:27017/profile';
+    //     MongoClient.connect(mongoConnection, (err, db) => {
+    //         const cursor = db.collection('posts').find({});
+    //         cursor.toArray((error, posts) => {
+    //             db.close();
+    //             res.json(posts);
+    //         });
+    //     });
+
+    // });
+
+    module.exports = router;

controllers/siteController.js

@@ -1,28 +1,84 @@
 const fs = require('fs');
 const express = require('express');
 const router = express.Router();
+const { ObjectId } = require('mongodb');
+const dbClient = require('../helpers/dbClient');
+const MongoClient = require('mongodb').MongoClient;
+const mongoose = require('mongoose');
+const Post = require('../models/Posts');
+const formidable = require('express-formidable');
 
-router.get('/', function (req, res) {
-    const filePath = __dirname + '/../data/posts.json';
-    const callbackFunction = function(error, file) {
-        if(error) {
-            return next(error);
-        }
-        // we call .toString() to turn the file buffer to a String
-        const fileData = file.toString();
-        // we use JSON.parse to get an object out the String
-        const postsJson = JSON.parse(fileData);
-        // send the json to the Template to render
+const mongoConnection = process.env.MONGO_URI || 'mongodb://localhost:27017/profile';
+// const mongoose = require('mongoose');
+
+// router.get('/', function (req, res) { 'mongodb://localhost:27017/profile';
+
+router.use(formidable());
+router.get('/', (req, res) => {
+    const callback = (error, posts) => {
         res.render('index', {
-          title: "Michael's profile",
-          subheading: "A modern Website built in Node with Handlebars",
-          posts: postsJson
+            title: "Won's profile",
+            subheading: "A modern Website built in Node with Handlebars",
+            posts: posts
+        });
+    }
+    mongoose.connect(mongoConnection);
+    Post.find({}, callback);
+});
+
+
+router.post('/save-post', (req, res) => {
+
+    const post = req.fields;
+
+    console.log(req.fields); // contains non-file fields
+    const callback = (error, post) => {
+        // handle any errors which might ocur
+        if (error) {
+            console.error(error);
+            return res.redirect('/error');
+        }
+
+        console.log('post saved successfully', post);
+        res.redirect('/');
+    }
+
+    mongoose.connect(mongoConnection);
+    // This is using the Model to create an object
+    // based on the fields submitted from the form
+    const newPost = new Post(req.fields);
+    newPost.save(callback);
+});
+
+
+
+
+router.get('/post-:postId', (req, res) => {
+    const postId = req.params.postId;
+
+    const callback = (error, posts) => {
+
+        res.render('single-view', {
+            title: posts[0].title,
+            subheading: "A modern Website built in Node with Handlebars",
+            post: posts[0]
         });
     };
-    fs.readFile(filePath, callbackFunction);
+
+    dbClient.getPosts({
+        _id: ObjectId(postId)
+    }, callback);
 });
 
 
+
+
+
+
+
+
+// creating a new function 
+
 router.get('/my-cv', function (req, res) {
     res.render('my-cv');
 });
@@ -35,4 +91,7 @@ router.get('/contact', function (req, res) {
     res.render('contact');
 });
 
+router.get('/follow me', function (req, res) {
+    res.render('follow me');
+})
 module.exports = router;

data/menu.json

@@ -11,5 +11,8 @@
     }, {
         "text": "Admin",
         "link": "/admin"
+    }, {
+        "text": "Follow me",
+        "link": "/follow"
     }
 ]

helpers/dbClient.js

@@ -0,0 +1,21 @@
+
+
+
+const {MongoClient} = require('mongodb');
+const mongoConnection = process.env.MONGO_URI || 'mongodb://localhost:27017/profile';
+
+const getPosts = (query, successCallback) => {
+
+    MongoClient.connect(mongoConnection, (err, db) => {
+        const cursor = db.collection('posts').find(query);
+        cursor.toArray((error, posts) => {
+            db.close();
+            successCallback(error, posts);
+        });
+    });
+};
+
+
+module.exports= {
+    getPosts
+};

models/Posts.js

@@ -0,0 +1,12 @@
+const mongoose = require('mongoose');
+const { Schema } = mongoose;
+
+const schema = new Schema({
+    title: String,
+    contents: String,
+    summary: String
+});
+
+const Post = mongoose.model('posts', schema);
+
+module.exports = Post;