mvp

api/cars/cars-middleware.js

@@ -1,9 +1,28 @@
+const Car = require('./cars-model')
+
+
 const checkCarId = (req, res, next) => {
   // DO YOUR MAGIC
+  try {
+    const car = await Car.getById(req.param)
+    if(car) {
+      req.car = car
+      next()
+    }
+  } catch(err) {
+    res.json({message: err.message})
+  }
 }
 
 const checkCarPayload = (req, res, next) => {
   // DO YOUR MAGIC
+  const { vin, make, model, mileage, title, transmission } = req.body
+
+  if (vin === undefined || make === undefined || model === undefined || mileage === undefined || title === undefined || transmission === undefined ) {
+    res.status(400).json({message: `${req.body} is required`})
+  }else {
+    next()
+  }
 }
 
 const checkVinNumberValid = (req, res, next) => {
@@ -12,4 +31,25 @@ const checkVinNumberValid = (req, res, next) => {
 
 const checkVinNumberUnique = (req, res, next) => {
   // DO YOUR MAGIC
+  try {
+    const existing = await db('cars')
+    .where('vin', req.body.name.trim())
+    .first()
+
+    if (existing) {
+      next({ status: 400, messae: 'that vin is taken'})
+    } else {
+      next()
+    }
+  } catch (err) {
+    next(err)
+  }
 }
+
+
+module.exports = {
+  checkCarId,
+  checkCarPayload,
+  checkVinNumberUnique,
+  checkVinNumberValid
+}

api/cars/cars-model.js

@@ -1,11 +1,17 @@
+const db = require('../../data/db-config')
+
 const getAll = () => {
   // DO YOUR MAGIC
+  return db('cars')
 }
 
 const getById = () => {
   // DO YOUR MAGIC
+  return db('cars').where('id', id).first()
 }
 
-const create = () => {
+const create = ({ vin, make, model, mileage, title, transmission }) => {
   // DO YOUR MAGIC
+  const [id] = await db('accounts').insert({vin, make, model, mileage, title, transmission})
+  return getById(id)
 }

data/migrations/01-make_cars_table.js

@@ -1,7 +1,17 @@
 exports.up = function (knex) {
   // DO YOUR MAGIC
+  return knex.schema.createTable('cars', tbl => {
+    tbl.increments() // primary key
+    tbl.text('vin', 128).unique().notNullable()
+    tbl.string('make', 128).notNullable()
+    tbl.string('model', 128).notNullable()
+    tbl.string('mileage', 128).notNullable()
+    tbl.string('title', 128)
+    tbl.string('transmission', 128)
+  })
 };
 
 exports.down = function (knex) {
   // DO YOUR MAGIC
+  return knex.schema.dropTableIfExists("fruits")
 };