adding lab

lab-12-evan/.eslintrc

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+{
+  "rules": {
+    "no-console": "off",
+    "indent": [ "error", 2 ],
+    "quotes": [ "error", "single" ],
+    "semi": ["error", "always"],
+    "linebreak-style": [ "error", "unix" ]
+  },
+  "env": {
+    "es6": true,
+    "node": true,
+    "mocha": true,
+    "jasmine": true
+  },
+  "ecmaFeatures": {
+    "modules": true,
+    "experimentalObjectRestSpread": true,
+    "impliedStrict": true
+  },
+  "extends": "eslint:recommended"
+}

lab-12-evan/.gitignore

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+
+# Created by https://www.gitignore.io/api/windows,node,linux,macos
+
+### Windows ###
+# Windows image file caches
+Thumbs.db
+ehthumbs.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+
+### Node ###
+node_modules
+# Logs
+logs
+*.log
+npm-debug.log*
+
+# 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
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules
+jspm_packages
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+
+
+### Linux ###
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
+
+### macOS ###
+*.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+# Thumbnails
+._*
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk

lab-12-evan/README.md

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+# Musical Atists RESTful api
+
+## Overview
+This is a RESTful API built with Express. The API gives the ability to add, view, update, and delete artists. The application utilizes Express to abstract the the http server process and Express.Router for handling requests.
+
+## Getting started
+To get started using this API
+- Clone this repository
+- Run `npm i`
+- Once dependencies have been installed, run `node server.js`
+  - As long as there are no issues, you should be alerted thate the server is up and running.
+  - `npm test` will give you lots of detailed information about what's going on with app, provided by `morgan` and `debug`
+
+## Usage
+To make use of this API, by adding artists you like
+
+
+* Download [httpie](http://httpie.org)
+
+* To add and additional artist:
+  * `http POST localhost:3000/api/artist? name=artistName genre=genre topHits=songName,songName`
+
+* To view an artist:
+  * `http localhost:3000/api/artist/uniqueIDassignedToTheArtist`
+

lab-12-evan/data/artist/30fb2800-c7ab-11e6-a939-fd2b384dbb82.json

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+{"id":"30fb2800-c7ab-11e6-a939-fd2b384dbb82","name":"steveAoki","genre":"EDM","topHits":"Aoki"}

lab-12-evan/data/artist/424f09f0-c7ab-11e6-a939-fd2b384dbb82.json

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+{"id":"424f09f0-c7ab-11e6-a939-fd2b384dbb82","name":"Odesza","genre":"EDM","topHits":"howDidIGetHere"}

lab-12-evan/data/artist/9b035670-c7a4-11e6-abf8-675fa887f7fe.json

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+{"id":"9b035670-c7a4-11e6-abf8-675fa887f7fe","name":"exampleArtist","genre":"exampleGenre","topHits":"exampleTopHits"}

lab-12-evan/data/artist/9b0d8fa0-c7a4-11e6-abf8-675fa887f7fe.json

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+{"id":"9b0d8fa0-c7a4-11e6-abf8-675fa887f7fe","name":"exampleArtist","genre":"exampleGenre","topHits":"exampleTopHits"}

lab-12-evan/data/artist/c65ee2d0-c7a4-11e6-81e5-f792bef12936.json

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+{"id":"c65ee2d0-c7a4-11e6-81e5-f792bef12936","name":"exampleArtist","genre":"exampleGenre","topHits":"exampleTopHits"}

lab-12-evan/data/artist/ca401740-c739-11e6-a234-21623108acce.json

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+{"id":"ca401740-c739-11e6-a234-21623108acce","name":"Odeza","genre":"EDM","topHits":"HowDidIGetHere"}

lab-12-evan/data/artist/ec5d7570-c739-11e6-a234-21623108acce.json

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+{"id":"ec5d7570-c739-11e6-a234-21623108acce","name":"SteveAoki","genre":"EDM","topHits":"AokisHouse"}

lab-12-evan/gulpfile.js

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+'use strict';
+
+const gulp = require('gulp');
+const eslint = require('gulp-eslint');
+const mocha = require('gulp-mocha');
+
+// RUN TEST
+gulp.task('test', function() {
+  gulp.src('./test/**/*.js', { read: false })
+  .pipe(mocha({ reporter: 'spec' }));
+});
+
+// RUN LINTER
+gulp.task('lint', function() {
+  gulp.src(['**/*.js', '!node_modules/**'])
+  .pipe(eslint())
+  .pipe(eslint.format())
+  .pipe(eslint.failAfterError());
+});
+
+// RUN DEV
+gulp.task('dev', function() {
+  gulp.watch(['**/*.js', '!node_modules/**', ['test', 'lint']]);
+});
+
+gulp.task('default', ['dev']);

lab-12-evan/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();
+};

lab-12-evan/lib/ERRORS-middleware.js

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

lab-12-evan/lib/artist_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')('artist:artist_storage');
+
+module.exports = exports = {};
+
+exports.newArtist = function(schemaName, artist) {
+  debug('newArtist');
+
+  if(!schemaName) return Promise.reject(createError(400, 'expected schema name'));
+  if(!artist) return Promise.reject(createError(400, 'expected an artist'));
+
+  let json = JSON.stringify(artist);
+  return fs.writeFileProm(`${__dirname}/../data/${schemaName}/${artist.id}.json`, json)
+  .then( () => artist)
+  .catch( err => Promise.reject(createError(500, err.message)));
+};
+
+exports.getArtist = function(schemaName, id) {
+  debug('getArtist');
+
+  if(!schemaName) return Promise.reject(createError(400, 'expected schema name'));
+  if(!id) return Promise.reject(createError(400, 'expected an id'));
+
+  return fs.readFileProm(`${__dirname}/../data/${schemaName}/${id}.json`)
+  .then( data => {
+    try {
+      let artist = JSON.parse(data.toString())
+      return artist;
+    }
+    catch(err) {
+      return Promise.reject(createError(500, err.message));
+    }
+  })
+  .catch( err => Promise.reject(createError(404, err.message)));
+};
+
+exports.deleteArtist = function(schemaName, id) {
+  debug('deleteArtist');
+
+  if(!schemaName) return Promise.reject(createError(400, 'expected a schema name'));
+  if(!id) return Promise.reject(createError(400, 'expected an id'));
+
+  return fs.unlinkProm(`${__dirname}/../data/${schemaName}/${id}.json`)
+  .catch( err => Promise.reject(createError(404, err.message)));
+};
+
+exports.allIDs = function(schemaName) {
+  return fs.readdirProm(`${__dirname}/../data/${schemaName}`)
+  .then( files => files.map( name => name.split('.json')[0]))
+  .catch( err => Promise.reject(createError(404, err.message)));
+};

lab-12-evan/model/artist.js

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+'use strict';
+
+const uuid = require('node-uuid');
+const createError = require('http-errors');
+const debug = require('debug')('artist:artist');
+const artist_storage = require('../lib/artist_storage.js');
+
+
+const Artist = module.exports = function(name, genre, topHits) {
+  debug('artist constructor');
+
+  if(!name) throw createError(400, 'expected name');
+  if(!genre) throw createError(400, 'expected a genre');
+  if(!topHits) throw createError(400, 'expected top hits');
+
+  this.id = uuid.v1();
+  this.name = name;
+  this.genre = genre;
+  this.topHits = topHits;
+};
+
+Artist.newArtist = function(_artist) {
+  debug('newArtist');
+
+  try {
+    let artist = new Artist(_artist.name, _artist.genre, _artist.topHits);
+    return artist_storage.newArtist('artist', artist);
+  }
+  catch(err) {
+    return Promise.reject(createError(400, err.message));
+  };
+};
+
+Artist.getArtist = function(id) {
+  debug('getArtist');
+  return artist_storage.getArtist('artist', id);
+};
+
+Artist.updateArtist = function(id, _artist) {
+  debug('updateArtist');
+
+  return artist_storage.getArtist('artist', id)
+  .catch( err => Promise.reject(createError(404, err.message)))
+  .then( artist => {
+    for(var prop in artist) {
+      if(prop === 'id') continue;
+      if(_artist[prop]) artist[prop] = _artist[prop];
+    };
+    return artist_storage.newArtist('artist', artist);
+  });
+};
+
+Artist.deleteArtist = function(id) {
+  debug('deleteArtist');
+  return artist_storage.deleteArtist('artist', id);
+};
+
+Artist.allIDs = function() {
+  debug('allIDs');
+  return artist_storage.allIDs('artist');
+};

lab-12-evan/package.json

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+{
+  "name": "lab-12-evan",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "directories": {
+    "test": "test"
+  },
+  "scripts": {
+    "test": "DEBUG='artist*' mocha",
+    "start": "DEBUG='artist*' node server.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "bluebird": "^3.4.6",
+    "body-parser": "^1.15.2",
+    "debug": "^2.4.5",
+    "express": "^4.14.0",
+    "http-errors": "^1.5.1",
+    "morgan": "^1.7.0",
+    "node-uuid": "^1.4.7"
+  },
+  "devDependencies": {
+    "chai": "^3.5.0",
+    "gulp-eslint": "^3.0.1",
+    "mocha": "^3.2.0",
+    "superagent": "^3.3.1"
+  }
+}