Joseph watkins

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/

api/cars/cars-model.js

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+const db = require('../../data/db-config');
+
+async function createCar(car) {
+    const [id] = await db("cars").insert(car)
+    return db("cars").where("id", id).first()
+}
+
+async function deleteCar(id) {
+    const car = await db("cars").where("id", id).first()
+    await db("cars").delete().where("id", id)
+    return car
+}
+
+module.exports = {
+    createCar,
+    deleteCar,
+}

api/cars/cars-router.js

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+const express = require('express');
+const Car = require('./cars-model');
+const router = express.Router();
+
+router.delete("/:id", async (req, res) => {
+    const id = req.params.id
+    const deleteCar = await Car.createCar(id)
+    res.status(200).json(deleteCar)
+})
+
+module.exports = router

api/cars/cars.test.js

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+const request = require('supertest')
+const db = require("../../data/db-config")
+const server = require('../server')
+const Car = require("./cars-model")
+
+const car1 = { make: "KIA", model: "Forte", transmission: "Automatic" }
+const car2 = { make: "Chevrolet", model: "Silverado", transmission: "Manual" }
+
+beforeAll(async () => {
+   await db.migrate.rollback()
+   await db.migrate.latest()
+})
+
+beforeEach(async () => {
+    await db("cars").truncate()
+})
+
+afterAll(async () => {
+    await db.destroy()
+})
+
+it("correct env var", () => {
+    expect(process.env.DB_ENV).toBe("testing")
+})
+
+describe("Cars model functions", () => {
+    describe("create car", () => {
+        it("adds a car to the db", async () => {
+            let cars
+            await Car.createCar(car1)
+            cars = await db("cars")
+            expect(cars).toHaveLength(1)
+
+            await Car.createCar(car2)
+            cars = await db("cars")
+            expect(cars).toHaveLength(2)
+        })
+
+        it("inserted make and model", async () => {
+            const car = await Car.createCar(car1)
+            expect(car).toMatchObject({ id: 1, ...car })
+        })
+    })
+
+    describe("[DELETE] / - delete car", () => {
+        it("removes a car from the db", async () => {
+            const [id] = await db("cars").insert(car1)
+            let car = await db("cars").where({ id }).first()
+            expect(car).toBeTruthy()
+            await request(server).delete("/cars/" + id)
+            car = await db("cars").where({ id }).first()
+            expect(car).toBeFalsy()
+        })
+        it("responds with the deleted car", async () => {
+            await db("cars").insert(car1)
+            let car = await request(server).delete("/cars/1")
+            expect(car.body).toMatchObject(car1)
+        })
+    })
+})

api/server.js

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+const express = require("express");
+const server = express();
+const carsRouter = require('./cars/cars-router');
+
+server.use('/api/cars', carsRouter);
+server.use(express.json());
+
+
+module.exports = server;

data/db-config.js

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+const knex = require('knex')
+const configs = require('../knexfile')
+const env = process.env.DB_ENV || 'development'
+
+module.exports = knex(configs[env])

data/migrations/20220728205723_01-make_cars.js

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+
+exports.up = function(knex) {
+    return knex.schema.createTable('cars', tbl => {
+        tbl.increments('id');
+        tbl.string('make', 128).notNullable();
+        tbl.string('model', 128).notNullable();
+        tbl.string('transmission', 128);
+      });
+};
+
+
+exports.down = function(knex) {
+    return knex.schema.dropTableIfExists('cars');
+};

data/seeds/01-cars.js

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+const cars = [
+  {
+      make: "Ford",
+      model: "F150",
+      transmission: "automatic",
+  },
+  {
+      make: "Ford",
+      model: "F150",
+      transmission: "automatic",
+  },
+]
+
+
+exports.seed = async function(knex) {
+  await knex('cars').truncate()
+  await knex('cars').insert(cars) 
+};

index.js

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+const server = require('./')
+
+const port = process.env.PORT || 9000;
+
+server.listen(port, () => console.log(`\n** Running on port ${port} **\n`))
+
+//COMPLETE

knexfile.js

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+const sharedConfig = {
+    client: 'sqlite3',
+    useNullAsDefault: true,
+    migrations: {
+      directory: './data/migrations',
+    },
+    seeds: {
+      directory: './data/seeds',
+    },
+    pool: {
+      afterCreate: (conn, done) => {
+        conn.run('PRAGMA foreign_keys = ON', done)
+      },
+    },
+  }
+
+  module.exports = {
+    development: {
+      ...sharedConfig,
+      connection: { filename: './data/dealer.db3' },
+    },
+    testing: {
+      ...sharedConfig,
+      connection: { filename: './data/test.db3' },
+    },
+  }