setup

api/accounts/accounts-middleware.js

@@ -1,13 +1,59 @@
+const Account  = require('./accounts-model')
+
+const db = require('../../data/db-config')
+
 exports.checkAccountPayload = (req, res, next) => {
   // DO YOUR MAGIC
   // Note: you can either write "manual" validation logic
   // or use the Yup library (not currently installed)
+  const error = { status: 400 }
+  const { name, budget } = req.body
+  if (name === undefined || budget === undefined) {
+    error.message = 'name and budget are required'
+  } else if (typeof name !== 'string') {
+    error.message = 'name of account must be a string'
+  } else if (name.trim().length < 3 || name.trim().length > 100) {
+    error.message = 'name of account must be between 3 and 100'
+  } else if (budget < 0 || budget > 1000000) {
+    error.message = 'budget of account is too large or too small'
+  } else if (typeof budget !== 'number' || isNaN(budget)) {
+    error.message = 'budget of account must be a number'
+  }
+
+  if (error.message) {
+    next(error)
+  } else {
+    next()
+  }
 }
 
-exports.checkAccountNameUnique = (req, res, next) => {
+exports.checkAccountNameUnique = async(req, res, next) => {
   // DO YOUR MAGIC
+  try {
+    const existing = await db('accounts')
+    .where('name', req.body.name.trim())
+    .first()
+    if (existing) {
+      next({ status: 400, message: 'that name is taken' })
+    } else {
+      next()
+    }
+  } catch (err) {
+    next(err)
+  }
 }
 
-exports.checkAccountId = (req, res, next) => {
+exports.checkAccountId = async (req, res, next) => {
   // DO YOUR MAGIC
+  try {
+    const account  = await Account.getById(req.params.id)
+    if (!account) {
+      next({ status: 404, message: 'account not found'})
+    } else {
+      req.account = account
+      next()
+    }
+  } catch (err) {
+    next(err)
+  }
 }

api/accounts/accounts-model.js

@@ -1,21 +1,28 @@
+const db = require('../../data/db-config')
+
 const getAll = () => {
-  // DO YOUR MAGIC
+  return db('accounts');
 }
 
 const getById = id => {
-  // DO YOUR MAGIC
+  return db('accounts').where('id', id).first()
 }
 
-const create = account => {
+const create = async account => {
   // DO YOUR MAGIC
+  const [id] = await db('accounts').insert(account)
+  return getById(id)
 }
 
-const updateById = (id, account) => {
+const updateById = async (id, account) => {
   // DO YOUR MAGIC
+  await db('accounts').where('id', id).update(account)
+  return getById(id)
 }
 
 const deleteById = id => {
   // DO YOUR MAGIC
+  return db('accounts').where('id', id).del()
 }
 
 module.exports = {

api/accounts/accounts-router.js

@@ -1,27 +1,67 @@
 const router = require('express').Router()
 
-router.get('/', (req, res, next) => {
-  // DO YOUR MAGIC
+const mw = require('./accounts-middleware')
+
+const Account = require('./accounts-model')
+
+router.get('/', async (req, res, next) => {
+  try {
+    const accounts = await Account.getAll()
+    res.json(accounts)
+  } catch (err) {
+    next(err)
+  }
 })
 
-router.get('/:id', (req, res, next) => {
-  // DO YOUR MAGIC
+router.get('/:id', mw.checkAccountId, async (req, res, next) => {
+  try {
+    const account = await Account.getById(req.params.id)
+    res.json(account)
+  } catch (err) {
+    next(err)
+  }
 })
 
-router.post('/', (req, res, next) => {
-  // DO YOUR MAGIC
+router.post('/', 
+  mw.checkAccountPayload, 
+  mw.checkAccountNameUnique, 
+  async (req, res, next) => {
+    try {
+      const newAccount = await Account.create({
+        name: req.body.name.trim(),
+        budget: req.body.budget,
+      })
+      res.status(201).json(newAccount)
+    } catch (err) {
+      next(err)
+    }
 })
 
-router.put('/:id', (req, res, next) => {
-  // DO YOUR MAGIC
+router.put('/:id', 
+  mw.checkAccountId, 
+  mw.checkAccountPayload,  
+  async (req, res, next) => {
+    try {
+      const updated = await Account.updateById(req.params.id, req.body)
+      res.status(200).json(updated)
+    } catch (err) {
+      next(err)
+    }
 });
 
-router.delete('/:id', (req, res, next) => {
-  // DO YOUR MAGIC
+router.delete('/:id', mw.checkAccountId, async (req, res, next) => {
+  try {
+    await Account.deleteById(req.params.id)
+    res.json(req.account)
+  } catch (err) {
+    next(err)
+  }
 })
 
 router.use((err, req, res, next) => { // eslint-disable-line
-  // DO YOUR MAGIC
+  res.status(err.status || 500).json({
+    message: err.message,
+  })
 })
 
 module.exports = router;

api/server.js

@@ -1,7 +1,17 @@
 const express = require("express");
 
+const accountsRouter = require('./accounts/accounts-router');
+
 const server = express();
 
 server.use(express.json());
 
+server.use('/api/accounts', accountsRouter);
+
+server.use('*', (req, res) => {
+    res.status(404).json({
+        message: 'error',
+    })
+})
+
 module.exports = server;

index.js

@@ -1,6 +1,6 @@
 const server = require("./api/server.js");
 
-const PORT = process.env.PORT || 9000;
+const PORT = process.env.PORT || 8080;
 
 server.listen(PORT, () => {
   console.log(`\n== API running on port ${PORT} ==\n`);

package.json

@@ -10,6 +10,7 @@
   },
   "dependencies": {
     "express": "^4.17.1",
+    "kill-port": "^1.6.1",
     "knex": "^0.95.14",
     "sqlite3": "^5.0.2"
   },