add authenticate user handler and add endpoint to index file b00tc4mp…

…#428

staff/judy-grayland/project/api/handlers/authenticateUserHandler.js

@@ -0,0 +1,41 @@
+import jwt from 'jsonwebtoken'
+import logic from '../logic/index.js'
+import { errors } from '../../shared/index.js'
+const { NotFoundError, CredentialsError, ContentError } = errors
+
+export default (req, res) => {
+  const { email, password } = req.body
+
+  try {
+    logic
+      .authenticateUser(email, password)
+      .then((userId) => {
+        const token = jwt.sign({ sub: userId }, process.env.JWT_SECRET, {
+          expiresIn: process.env.JWT_EXP,
+        })
+        res.json(token)
+      })
+      .catch((error) => {
+        let status = 500
+        if (error instanceof NotFoundError) {
+          status = 404
+        } else if (error instanceof CredentialsError) {
+          status = 401
+        }
+        res.status(status).json({
+          error: error.constructor.name,
+          message: error.constructor.message,
+        })
+      })
+  } catch (error) {
+    let status = 500
+
+    if (error instanceof ContentError || error instanceof TypeError) {
+      status = 406
+    }
+    res.status(status).json({
+      error: error.constructor.name,
+      message: error.constructor.message,
+    })
+  }
+}

staff/judy-grayland/project/api/handlers/index.js

@@ -1,3 +1,4 @@
 import registerUserHandler from './registerUserHandler.js'
+import authenticateUserHandler from './authenticateUserHandler.js'
 
-export { registerUserHandler }
+export { registerUserHandler, authenticateUserHandler }

staff/judy-grayland/project/api/index.js

@@ -3,7 +3,10 @@ import express, { json } from 'express'
 import mongoose from 'mongoose'
 import cors from 'cors' // the Cors package is a middleware for Express.js, that enables CORS in our API
 
-import { registerUserHandler } from './handlers/index.js'
+import {
+  authenticateUserHandler,
+  registerUserHandler,
+} from './handlers/index.js'
 
 dotenv.config()
 
@@ -12,7 +15,7 @@ mongoose
   .then(() => {
     const server = express()
 
-    // declaring endpoint for the root path. We tell it what it should do when a request of type get is made to this path: should send the response Hello World! (to the browser, to the terminal with curl, to our app with fetch)
+    // declaring endpoint for the root path. We tell it what it should do when a request of type get is made to this path: it should send the response Hello World! (to the browser, to the terminal with curl, to our app with fetch)
     server.get('/', (req, res) => {
       res.send('Hello World!')
     })
@@ -23,6 +26,8 @@ mongoose
 
     server.post('/users', jsonBodyParser, registerUserHandler)
 
+    server.post('/users/auth', jsonBodyParser, authenticateUserHandler)
+
     // declaring endpoint for categories path
     // server.get('/categories', (req, res) => {
     //   Category.find()

staff/judy-grayland/project/api/logic/index.js

@@ -1,7 +1,9 @@
 import registerUser from './registerUser.js'
+import authenticateUser from './authenticateUser.js'
 
 const logic = {
   registerUser,
+  authenticateUser,
 }
 
 export default logic