Added middleware methods.

api/middleware/middleware.js

@@ -1,17 +1,58 @@
+const { getById, getUserPosts } = require('../users/users-model')
+
 function logger(req, res, next) {
   // DO YOUR MAGIC
+  console.log(req.method, req.url, Date.now())
+  next
 }
 
 function validateUserId(req, res, next) {
   // DO YOUR MAGIC
+  getById(req.params.id)
+    .then(user => {
+      if (user) {
+        next()
+      } else {
+        next({
+          status: 404,
+          message: 'user not found'
+        })
+      }
+    })
+    .catch(next)
 }
 
 function validateUser(req, res, next) {
   // DO YOUR MAGIC
+  getById(req.params.id)
+  .then(user => {
+    if (user) {
+      next()
+    } else {
+      next({
+        status: 404,
+        message: 'user not found'
+      })
+    }
+  })
+  .catch(next)
 }
 
 function validatePost(req, res, next) {
   // DO YOUR MAGIC
+  getUserPosts(req.params.id)
+  .then(user => {
+    if (user) {
+      next()
+    } else {
+      next({
+        status: 404,
+        message: 'user not found'
+      })
+    }
+  })
+  .catch(next)
 }
 
 // do not forget to expose these functions to other modules
+module.exports = { logger, validateUserId, validateUser, validatePost }

api/server.js

@@ -1,11 +1,17 @@
 const express = require('express');
 
+const usersRouter = require('./users/users-router');
+
+const useMiddleware = require ('./middleware/middleware');
+
 const server = express();
 
 // remember express by default cannot parse JSON in request bodies
+server.use(express.json());
 
 // global middlewares and the user's router need to be connected here
-
+server.use('/api/users', usersRouter);
+server.use('/api/middleware', useMiddleware);
 server.get('/', (req, res) => {
   res.send(`<h2>Let's write some middleware!</h2>`);
 });

api/users/users-router.js

@@ -1,44 +1,61 @@
 const express = require('express');
+const {logger, validateUserId, validateUser, validatePost }= require('../middleware/middleware');
 
 // You will need `users-model.js` and `posts-model.js` both
+const Users = require('./users-model');
+const Posts = require('../posts/posts-model');
 // The middleware functions also need to be required
 
 const router = express.Router();
 
-router.get('/', (req, res) => {
-  // RETURN AN ARRAY WITH ALL THE USERS
+router.get('/', logger, (req, res, next) => {
+  Users.find();
+  logger
+  .then(user => {
+    res.status(200).json(user)
+  })
+  .catch(error =>{
+    next(error)
+  });
 });
 
-router.get('/:id', (req, res) => {
+router.get('/:id', logger, validateUserId, (req, res) => {
   // RETURN THE USER OBJECT
   // this needs a middleware to verify user id
+  res.json(req.user)
 });
 
-router.post('/', (req, res) => {
+router.post('/', logger, validatePost, (req, res) => {
   // RETURN THE NEWLY CREATED USER OBJECT
   // this needs a middleware to check that the request body is valid
+  res.json(req.user)
 });
 
-router.put('/:id', (req, res) => {
+router.put('/:id', logger, validateUserId, validatePost, (req, res) => {
   // RETURN THE FRESHLY UPDATED USER OBJECT
   // this needs a middleware to verify user id
   // and another middleware to check that the request body is valid
+  res.json(req.user)
 });
 
-router.delete('/:id', (req, res) => {
+router.delete('/:id', logger, validateUserId, (req, res) => {
   // RETURN THE FRESHLY DELETED USER OBJECT
   // this needs a middleware to verify user id
+  res.json(req.user)
 });
 
-router.get('/:id/posts', (req, res) => {
+router.get('/:id/posts', logger, validateUserId, (req, res) => {
   // RETURN THE ARRAY OF USER POSTS
   // this needs a middleware to verify user id
+  res.json(req.user)
 });
 
-router.post('/:id/posts', (req, res) => {
+router.post('/:id/posts', logger, validateUserId, (req, res) => {
   // RETURN THE NEWLY CREATED USER POST
   // this needs a middleware to verify user id
   // and another middleware to check that the request body is valid
+  res.json(req.user)
 });
 
 // do not forget to export the router
+module.exports = router;

index.js

@@ -1 +1,13 @@
 // require your server and launch it
+const { response } = require('./api/server');
+const server = require('./api/server');
+
+const PORT = 4000;
+
+// START YOUR SERVER HERE
+server.get('/', (req, res) => {
+    response.status(200).json()
+})
+server.listen(PORT, () => {
+    console.log('server is running on 4000')
+})