Katherine

lab-katherine/.eslintignore

@@ -0,0 +1,5 @@
+**/node_modules/*
+**/vendor/*
+**/*.min.js
+**/coverage/*
+**/build/*

lab-katherine/.eslintrc.json

@@ -0,0 +1,26 @@
+{
+  "env": {
+    "browser": true,
+    "node": true,
+    "commonjs": true,
+    "jest": true,
+    "es6": true
+  },
+  "globals": {
+    "err": true,
+    "req": true,
+    "res": true,
+    "next": true
+  },
+  "extends": "eslint:recommended",
+  "parserOptions": {
+    "sourceType": "module"
+  },
+  "rules": {
+    "no-console": "off",
+    "indent": [ "error", 2 ],
+    "quotes": ["error", "single", { "allowTemplateLiterals": true }],
+    "comma-dangle": ["error", "always-multiline"],
+    "semi": [ "error", "always" ]
+  }
+}

lab-katherine/.gitignore

@@ -0,0 +1,145 @@
+# 401 JS
+db
+.env
+temp
+build
+
+# Created by https://www.gitignore.io/api/vim,osx,node,linux,windows
+### 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*
+
+### Node ###
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.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
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Typescript v1 declaration files
+typings/
+
+# 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
+
+# dotenv environment variables file
+.env
+
+
+### OSX ###
+*.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
+
+### Vim ###
+# swap
+[._]*.s[a-v][a-z]
+[._]*.sw[a-p]
+[._]s[a-v][a-z]
+[._]sw[a-p]
+# session
+Session.vim
+# temporary
+.netrwhist
+# auto-generated tag files
+tags
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+ehthumbs.db
+ehthumbs_vista.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# End of https://www.gitignore.io/api/vim,osx,node,linux,windows

lab-katherine/__test__/server.test.js

@@ -0,0 +1,28 @@
+'use strict';
+
+const superagent = require('superagent');
+
+describe('POST /api/cowsay', () => {
+  test('should respond with 200 response and echo the body', () => {
+    return superagent.post('http://localhost:4000/api/cowsay')
+    .send({
+      title: 'hello world',
+    })
+    .then(res => {
+      expect(res.status).toEqual(200);
+      expect(res.body).toEqual({title: 'hello world'});
+    });
+  });
+
+  test('should respond with a 400', () => {
+    return superagent.post('http://localhost:3000/api/cowsay')
+    .set({ 'Content-Type': 'application/json'})
+    .send('{')
+    .then(Promise.reject)
+    .catch(res => {
+      expect(res.status).toEqual(400);
+      console.log(res);
+      expect(res.response.text).toEqual('bad request');
+    });
+  });
+});

lab-katherine/index.js

@@ -0,0 +1,10 @@
+'use strict';
+
+// load environment
+require('dotenv').config();
+
+// load dependencies
+const server = require('./lib/server.js');
+
+// start server
+server.start(process.env.PORT, () => console.log('server up ::', process.env.PORT));

lab-katherine/lib/request-parser.js

@@ -0,0 +1,31 @@
+'use strict';
+
+const url = require('url');
+const queryString = require('querystring');
+
+// The request parser module should return a promise
+// that parses the request url, querystring,
+// and POST or PUT body (as JSON).
+module.exports = (req) => {
+  return new Promise((resolve, reject) => {
+    req.url = url.parse(req.url);
+    req.url.query = queryString.parse(req.url.query);
+
+    if(!(req.method === 'POST' || req.method === 'PUT'))
+      return resolve(req);
+
+    let text = '';
+
+    req.on('data', (buffer) => {
+      text += buffer.toString();
+    });
+    req.on('end', () => {
+      try {
+        req.body = JSON.parse(text);
+        resolve(req);
+      } catch (err) {
+        reject(err);
+      }
+    });
+  });
+};

lab-katherine/lib/server.js

@@ -0,0 +1,109 @@
+'use strict';
+
+// HTTP SERVER defining all route behavior and exporting an interface
+// for starting and stopping the server
+// It should export an object with start and stop methods
+
+// node dependencies
+const http = require('http');
+const requestParser = require('./request-parser.js');
+const cowsay = require('cowsay');
+
+// functionality
+const app = http.createServer((req, res) => {
+
+  requestParser(req)
+  .then(req => {
+    // route-handling
+
+    // When a client makes a GET request to /
+    // the server should send back html with a project description
+    // and an anchor to /cowsay.
+    if(req.method === 'GET' && req.url.pathname === '/'){
+      res.writeHead(200, {'Content-Type': 'text/html'});
+      res.write(`<!DOCTYPE html>
+      <html>
+        <head>
+          <title> cowsay </title>
+        </head>
+        <body>
+          <header>
+            <nav>
+              <ul>
+              <li><a href="/cowsay">cowsay</a></li>
+              </ul>
+            </nav>
+          <header>
+          <main>
+            <ul>
+              <li>Click the cowsay link to get the cow's default message.</li>
+              <li>If you want the cow to say anything else, add "?text="
+              followed by your message to the end of the URL and refresh.</li>
+            </ul>
+          </main>
+        </body>
+      </html>`);
+      res.end();
+      return;
+    }
+
+    // When a client makes a GET request to /cowsay?text={message}
+    // the server should parse the querystring for a text key.
+    // It should then send a rendered HTML page with a cowsay cow
+    // speaking the value of the text query.
+    // If there is no text query, the cow message should say
+    // 'I need something good to say!'.
+    if(req.method === 'GET' && req.url.pathname === '/cowsay'){
+      let output;
+      if (req.url.query.text)
+        output = req.url.query.text;
+      else
+        output = 'I need something good to say!';
+
+      res.writeHead(200, {'Content-Type': 'text/html'});
+      res.write(`<!DOCTYPE html>
+      <html>
+        <head>
+          <title> cowsay </title>
+        </head>
+        <body>
+          <h1> cowsay </h1>
+          <pre>
+            ${cowsay.say({text: output})}
+          </pre>
+        </body>
+      </html>`);
+      res.end();
+      return;
+    }
+
+    // When a client makes a POST request to /api/cowsay
+    // it should send JSON that includes {"text": "<message>"}.
+    // The server should respond with a JSON body {"content": "<cowsay cow>"}.
+    if(req.method === 'POST' && req.url.pathname === '/api/cowsay'){
+      res.writeHead(200, {'Content-Type': 'application/json'});
+      res.write(JSON.stringify(req.body));
+      res.end();
+      return;
+    }
+
+    // for a non-route
+    res.writeHead(404, {
+      'Content-Type': 'text/plain',
+    });
+    res.write(`resource ${req.url.pathname} not found!`);
+    res.end();
+  })
+  .catch(err => {
+    console.log(err);
+    res.writeHead(400, { 'Content-Type': 'text/plain' });
+    res.write('bad request');
+    res.end();
+  });
+});
+
+// export interface
+module.exports = {
+  start: (port, callback) => app.listen(port, callback),
+  stop: (callback) => app.close(callback),
+};