tests all working

.gitignore

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+node_modules

data/hike/1a1ee70e-e7ba-45d7-b74b-b4b0233be0cb.json

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+{"id":"1a1ee70e-e7ba-45d7-b74b-b4b0233be0cb","name":"party hike","location":"party town"}

data/hike/2ec48c31-1e52-4701-9857-87cd2bdc25f0.json

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+{"id":"2ec48c31-1e52-4701-9857-87cd2bdc25f0","name":"party hike","location":"party town"}

data/hike/e56672f3-362a-4a2b-b4b2-c683f1727eb5.json

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+{"id":"e56672f3-362a-4a2b-b4b2-c683f1727eb5","name":"party hike","location":"party town"}

lib/cors-middleware.js

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+'use strict';
+
+module.exports = function(req,res,next){
+  res.append('Access-Control-Allow-Origin', '*');
+  res.append('Access-Control-Allow-Headers', '*');
+  next();
+};

lib/error-middleware.js

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+'use strict';
+
+const createError = require('http-errors');
+const debug = require('debug')('hike:error-middlware');
+
+module.exports = function(err, req, res, next ){
+  console.error(err.message);
+
+  if (err.status){
+    debug('user error');
+
+    res.status(err.status).send(err.name);
+    next();
+    return;
+  }
+
+  debug('server errror');
+  err = createError(500, err.message);
+  res.status(err.status).send(err.name);
+  next();
+};

lib/storage.js

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+'use strict';
+
+const Promise = require('bluebird');
+const fs = Promise.promisifyAll(require('fs'), {suffix: 'Prom'});
+const createError = require('http-errors');
+const debug = require('debug')('hike:storage');
+
+module.exports = exports = {};
+
+exports.createItem = function(schemaName, item){
+  debug('createItem');
+
+  if (!schemaName) return Promise.reject(createError(400, 'expected schema name'));
+  if (!item) return Promise.reject(createError(400, 'expected item'));
+
+  let json = JSON.stringify(item);
+  return fs.writeFileProm(`${__dirname}/../data/${schemaName}/${item.id}.json`, json)
+  .then( () => item)
+  .catch( err => Promise.reject(createError(500, err.message)));
+};
+
+exports.fetchItem = function(schemaName, id){
+  debug('fetchItem');
+
+  if (!schemaName) return Promise.reject(createError(400, 'expected schema name'));
+  if (!id) return Promise.reject(createError(400, 'expected id'));
+
+  return fs.readFileProm(`${__dirname}/../data/${schemaName}/${id}.json`)
+  .then(data => {
+    try {
+      let item = JSON.parse(data.toString());
+      return item;
+    } catch (err) {
+      return Promise.reject(createError(500, err.message));
+    }
+  })
+  .catch(err => Promise.reject(createError(404, err.message)));
+};
+
+
+exports.deleteItem = function(schemaName, id) {
+  debug('deleteItem');
+
+  if (!schemaName) return Promise.reject(createError(400, 'expected schema name'));
+  if (!id) return Promise.reject(createError(400, 'expected id'));
+
+  return fs.unlinkProm(`${__dirname}/../data/${schemaName}/${id}.json`)
+  .catch( err => Promise.reject(createError(404, err.message)));
+};
+
+
+exports.availIDs = function(schemaName) {
+  debug('available ids');
+  return fs.readdirProm(`${__dirname}/../data/${schemaName}`)
+  .then( files => files.map(name => name.split('.json')[0]))
+  .catch( err => Promise.reject(createError(404, err.message)));
+};

model/hike.js

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+'use strict';
+
+const uuidv4 = require('uuid/v4');
+const createError = require('http-errors');
+const debug = require('debug')('hike:hike');
+const storage = require('../lib/storage.js');
+
+const Hike = module.exports = function(name, location) {
+  debug('hike constructr');
+
+  if(!name) throw new Error('expected name');
+  if(!location) throw new Error('expected content');
+
+  this.id = uuidv4();
+  this.name = name;
+  this.location = location;
+};
+
+Hike.createHike = function(_hike) {
+  debug('createHike');
+
+  try {
+    let hike = new Hike(_hike.name, _hike.location);
+    return storage.createItem('hike', hike);
+  } catch (err) {
+    return Promise.reject(err);
+  }
+};
+
+Hike.fetchHike = function(id) {
+  debug('fetch Hike ');
+  return storage.fetchItem('hike', id);
+};
+
+Hike.updateHike = function(id, _hike) {
+  debug('update hike');
+
+  return storage.fetchItem('hike', id)
+  .catch( err=> Promise.reject(createError(404, err.message)))
+  .then (hike => {
+    for (var prop in hike) {
+      if(prop === 'id')continue;
+      if (_hike[prop]) hike[prop] = _hike[prop];
+    }
+    return storage.createItem('hike', hike);
+  });
+};
+
+Hike.deleteHike = function(id){
+  debug('deleteHike');
+  return storage.deleteItem('hike', id);
+};
+
+Hike.fetchIDs = function() {
+  debug('fetchIDs');
+  return storage.availIDs('hike');
+};

package.json

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+{
+  "name": "12-express-middleware",
+  "version": "1.0.0",
+  "description": "![cf](https://i.imgur.com/7v5ASc8.png) 12: Express Middleware ======",
+  "main": "server.js",
+  "directories": {
+    "test": "test"
+  },
+  "scripts": {
+    "test": "DEBUG='hike*' ./node_modules/mocha/bin/mocha",
+    "start": "DEBUG='hike*' node server.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/andyfiveeleven/12-express-middleware.git"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/andyfiveeleven/12-express-middleware/issues"
+  },
+  "homepage": "https://github.com/andyfiveeleven/12-express-middleware#readme",
+  "devDependencies": {
+    "chai": "^4.1.0",
+    "mocha": "^3.5.0",
+    "superagent": "^3.5.2"
+  },
+  "dependencies": {
+    "bluebird": "^3.5.0",
+    "body-parser": "^1.17.2",
+    "debug": "^2.6.8",
+    "express": "^4.15.3",
+    "http-errors": "^1.6.1",
+    "mkdirp": "^0.5.1",
+    "morgan": "^1.8.2",
+    "uuid": "^3.1.0"
+  }
+}

route/hike-router.js

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+'use strict'
+
+const Router = require('express').Router;
+const jsonParser = require('body-parser').json();
+const debug = require('debug')('hike:hike-route');
+const Hike = require('../model/hike.js');
+const hikeRouter = new Router();
+
+hikeRouter.post('/api/hike', jsonParser, function(req,res,next){
+  debug('POST: /api/hike');
+
+  Hike.createHike(req.body)
+  .then( hike => res.json(hike))
+  .catch(err => next(err));
+});
+
+hikeRouter.get('/api/hike/:id', function(req,res,next ){
+  debug('GET: /api/hike:id');
+
+  Hike.fetchHike(req.params.id)
+  .then(hike=> res.json(hike))
+  .catch( err=> next(err));
+});
+
+hikeRouter.get('/api/hike', function(req, res, next){
+  debug('GET /api/hike');
+
+  Hike.fetchIDs()
+  .then( ids => res.json(ids))
+  .catch( err => next(err));
+});
+
+hikeRouter.put('/api/hike', jsonParser, function(req, res, next) {
+  debug('PUT: /api/hike');
+
+  Hike.updateHike(req.query.id,req.body)
+  .then( hike => res.json(hike))
+  .catch( err => next(err));
+});
+
+module.exports = hikeRouter;

server.js

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+'use strict'
+
+const morgan = require('morgan');
+const express = require('express');
+const createError = require('http-errors');
+const debug = require('debug')('hike:server');
+
+const hikeRouter = require('./route/hike-router.js');
+const cors = require('./lib/cors-middleware.js');
+const errors = require('./lib/error-middleware.js');
+
+const PORT = process.env.PORT || 3000;
+const app = express();
+
+app.use(morgan('dev'));
+app.use(cors);
+app.use(hikeRouter);
+app.use(errors);
+
+app.listen(PORT, () => {
+  console.log(`server up on ${PORT}`);
+});

test/hike-route-test.js

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+'use strict';
+
+const expect = require('chai').expect;
+const request = require('superagent');
+const Hike = require('../model/hike.js');
+const url = 'http://localhost:8000';
+
+require('../server.js');
+
+const exampleHike = {
+  name: 'party hike',
+  location: 'party town'
+};
+
+describe('hike routes', function() {
+  describe('GET: /api/hike', function(){
+    describe('with a valid id', function(){
+      before( done => {
+        Hike.createHike(exampleHike)
+        .then( hike => {
+          this.tempHike = hike;
+          done();
+        })
+        .catch(err => done(err));
+      });
+
+      after(done => {
+        Hike.deleteHike(this.tempHike.id)
+        .then( () => done())
+        .catch( err => done(err));
+      });
+
+      it('should return a hike', done => {
+        request.get(`${url}/api/hike/${this.tempHike.id}`)
+        .end((err, res) => {
+          if(err) return done(err);
+          expect(res.status).to.equal(200);
+          expect(res.body.id).to.equal(this.tempHike.id);
+          expect(res.body.name).to.equal(this.tempHike.name);
+          expect(res.body.location).to.equal(this.tempHike.location);
+          done();
+        });
+      });
+
+      describe('with an invalid id', function() {
+        it('shoulr respond witha 404', done => {
+          request.get(`${url}/api/hike/1234565678`)
+          .end((err, res)=> {
+            expect(res.status).to.equal(404);
+            done();
+          });
+        });
+      });
+    });
+  });
+
+  describe('POST: /api/hike', function(){
+    describe('with a valid body', function(){
+      after(done => {
+        if(this.tempHike) {
+          Hike.deleteHike(this.tempHike.id)
+          .then( () => done())
+          .catch( err=> done(err));
+        }
+      });
+
+      it('should return a hike', done =>{
+        request.post(`${url}/api/hike`)
+        .send(exampleHike)
+        .end((err, res) => {
+          if (err) return done(err);
+          expect(res.status).to.equal(200);
+          expect(res.body.name).to.equal(exampleHike.name);
+          expect(res.body.location).to.equal(exampleHike.location);
+          this.tempHike = res.body;
+          done();
+        });
+      });
+    });
+  });
+
+  describe('PUT /api/hike', function(){
+    describe('with a valid id and body', function(){
+      before( done => {
+        Hike.createHike(exampleHike)
+        .then( hike => {
+          this.tempHike = hike;
+          done();
+        })
+        .catch (err => done(err));
+      });
+
+      after(done => {
+        if (this.tempHike) {
+          Hike.deleteHike(this.tempHike.id)
+          .then( ()=> done())
+          .catch(done);
+        }
+      });
+
+      it('should return a hike', done =>{
+        let updateHike = {name: 'party hike', location: 'party town'};
+        request.put(`${url}/api/hike?id=${this.tempHike.id}`)
+        .send(updateHike)
+        .end((err, res)=> {
+          if (err)return done(err);
+          expect(res.status).to.equal(200);
+          expect(res.body.id).to.equal(this.tempHike.id);
+          for (var prop in updateHike){
+            expect(res.body[prop]).to.equal(updateHike[prop])
+          }
+          done();
+        });
+      });
+    });
+  });
+});