mvp complete

api/cars/cars-middleware.js

@@ -1,15 +1,68 @@
+const Car = require('./cars-model')
+var vinValidator = require('vin-validator');
+// const db = require('../../data/db-config')
+
+
 const checkCarId = (req, res, next) => {
   // DO YOUR MAGIC
+  console.log('verifying id')
+  const { id } = req.params;
+  Car.getById(id)
+    .then(foundCar => {
+      if (!foundCar) {
+        res.status(404).json({ message: `car with id ${id} is not found` })
+      }
+      else {
+        next()
+      }
+    })
 }
 
 const checkCarPayload = (req, res, next) => {
   // DO YOUR MAGIC
+  if (!req.body.vin) {
+    res.status(400).json({ message: 'vin is missing!' })
+  } else if (!req.body.make) {
+    res.status(400).json({ message: 'make is missing!' })
+  } else if (!req.body.model) {
+    res.status(400).json({ message: 'model is missing!' })
+  } else if (!req.body.mileage) {
+    res.status(400).json({ message: 'mileage is missing!' })
+  } else {
+    next()
+  }
 }
 
 const checkVinNumberValid = (req, res, next) => {
   // DO YOUR MAGIC
+  let isVinValid = vinValidator.validate(req.body.vin);
+  if (!isVinValid) {
+    res.status(400).json({ message: `vin ${req.body.vin} is invalid` })
+  }
+  else {
+    next()
+  }
 }
 
 const checkVinNumberUnique = (req, res, next) => {
-  // DO YOUR MAGIC
+  Car.checkVinUnique(req.body.vin)
+    .then(response => {
+      if (response) {
+        res.status(400).json({ message: `vin ${req.body.vin} already exists` })
+      }
+      else {
+        next()
+      }
+    })
+    .catch(err => {
+      res.status(500).json({ message: err.message })
+    })
+
+}
+
+module.exports = {
+  checkCarId,
+  checkCarPayload,
+  checkVinNumberValid,
+  checkVinNumberUnique
 }

api/cars/cars-model.js

@@ -1,11 +1,29 @@
+const { default: knex } = require('knex')
+const db = require('../../data/db-config')
+
 const getAll = () => {
+  return db('cars')
   // DO YOUR MAGIC
+
 }
 
-const getById = () => {
+const getById = (id) => {
   // DO YOUR MAGIC
+  return db('cars').where("id", id).first()
 }
 
-const create = () => {
+const create = async ({ vin, make, model, mileage, title, transmission }) => {
   // DO YOUR MAGIC
+  const [id] = await db('cars').insert({ vin, make, model, mileage, title, transmission })
+  return getById(id)
+}
+
+const checkVinUnique = (vinParam) => {
+  return db('cars').where({ vin: vinParam }).first()
+}
+module.exports = {
+  getAll,
+  getById,
+  create,
+  checkVinUnique
 }

api/cars/cars-router.js

@@ -1 +1,43 @@
 // DO YOUR MAGIC
+const router = require('express').Router()
+const Car = require('./cars-model')
+const { checkCarId,
+    checkCarPayload,
+    checkVinNumberValid,
+    checkVinNumberUnique } = require('./cars-middleware')
+
+router.get('/api/cars', (req, res) => {
+    Car.getAll()
+        .then(allCars => {
+            res.status(200).json(allCars)
+        })
+        .catch(err => {
+            res.status(500).json({ message: err.message })
+        })
+    console.log('getting all cars')
+})
+
+router.get('/api/cars/:id', checkCarId, (req, res) => {
+    const { id } = req.params;
+    Car.getById(id)
+        .then(car => {
+            res.status(200).json(car)
+        })
+        .catch(err => {
+            res.status(400).json({ message: err.message })
+        })
+})
+
+router.post('/api/cars', checkVinNumberUnique, checkVinNumberValid, checkCarPayload, (req, res) => {
+    Car.create(req.body)
+        .then(newCar => {
+            res.status(201).json(newCar)
+        })
+        .catch(err => {
+            res.status(500).json({ message: err.message })
+        })
+})
+
+
+
+module.exports = router;

api/server.js

@@ -1,7 +1,11 @@
 const express = require("express")
+const carsRouter = require('./cars/cars-router')
 
 const server = express()
 
+server.use(express.json())
+server.use('/', carsRouter)
+
 // DO YOUR MAGIC
 
 module.exports = server

data/migrations/01-make_cars_table.js

@@ -1,7 +1,19 @@
-exports.up = function (knex) {
+exports.up = async function (knex) {
+  return knex.schema.createTable("cars", tbl => {
+    tbl.increments()
+    tbl.text("vin").unique().notNullable()
+    tbl.text("make").notNullable()
+    tbl.text("model").notNullable()
+    tbl.decimal("mileage").notNullable()
+    tbl.text("title")
+    tbl.text("transmission")
+  })
   // DO YOUR MAGIC
 };
 
-exports.down = function (knex) {
+exports.down = async function (knex) {
   // DO YOUR MAGIC
+  return knex.schema.dropTableIfExists('cars')
 };
+
+