Implemented getPost route

.gitignore

@@ -1,2 +1,3 @@
 node_modules
-/images
+/images
+.vscode

controllers/feed.js

@@ -2,24 +2,20 @@ const { validationResult } = require('express-validator');
 const Post = require('../models/post');
 
 exports.getPosts = (req, res, next) => {
-	res.status(200).json({
-		posts: [
-			{
-				_id: '123',
-				title: 'First Post',
-				content: 'This is the first post!',
-				imageUrl: 'images/gift.jpg',
-				createdAt: new Date(),
-				creator: {
-					name: 'Roma',
-				},
-			},
-		],
-	});
+	Post.find()
+		.then((posts) => {
+			res.status(200).json({ message: 'Posts are fetched', posts: posts });
+		})
+		.catch((err) => {
+			if (!err.statusCode) {
+				err.statusCode = 500;
+			}
+			next(err);
+		});
 };
 
 exports.createPost = (req, res, next) => {
-  const errors = validationResult(req);
+	const errors = validationResult(req);
 
 	if (!errors.isEmpty()) {
 		const error = new Error('Validation Failed!');
@@ -39,7 +35,7 @@ exports.createPost = (req, res, next) => {
 		},
 	});
 
-  return post
+	return post
 		.save()
 		.then((post) => {
 			res.status(201).json({
@@ -54,3 +50,24 @@ exports.createPost = (req, res, next) => {
 			next(err);
 		});
 };
+
+exports.getPost = (req, res, next) => {
+	const postId = req.params.postId;
+
+	Post.findById(postId)
+		.then((post) => {
+			if (!post) {
+				const error = new Error('No post foound with the id: ' + postId);
+				error.statusCode = 404;
+				throw error;
+			}
+
+			res.status(200).json({ message: 'Post is fetched', post: post });
+		})
+		.catch((err) => {
+			if (!err.statusCode) {
+				err.statusCode = 500;
+			}
+			next(err);
+		});
+};

routes/feed.js

@@ -24,4 +24,7 @@ router.post(
 	feedController.createPost
 );
 
+// GET /feed/posts
+router.get('/posts/:postId', feedController.getPost);
+
 module.exports = router;