release 4

app.js

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+var express = require('express');
+var path = require('path');
+var favicon = require('serve-favicon');
+var logger = require('morgan');
+var cookieParser = require('cookie-parser');
+var bodyParser = require('body-parser');
+
+var index = require('./routes/index');
+var users = require('./routes/users');
+const twatt = require('./routes/twatt.route')
+
+var app = express();
+
+// view engine setup
+app.set('views', path.join(__dirname, 'views'));
+app.set('view engine', 'ejs');
+
+// uncomment after placing your favicon in /public
+//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
+app.use(logger('dev'));
+app.use(bodyParser.json());
+app.use(bodyParser.urlencoded({ extended: false }));
+app.use(cookieParser());
+app.use(express.static(path.join(__dirname, 'public')));
+
+app.use('/', index);
+app.use('/users', users);
+app.use('/twatt', twatt)
+
+// catch 404 and forward to error handler
+app.use(function(req, res, next) {
+  var err = new Error('Not Found');
+  err.status = 404;
+  next(err);
+});
+
+// error handler
+app.use(function(err, req, res, next) {
+  // set locals, only providing error in development
+  res.locals.message = err.message;
+  res.locals.error = req.app.get('env') === 'development' ? err : {};
+
+  // render the error page
+  res.status(err.status || 500);
+  res.render('error');
+});
+
+module.exports = app;

bin/www

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+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var app = require('../app');
+var debug = require('debug')('twatt:server');
+var http = require('http');
+
+/**
+ * Get port from environment and store in Express.
+ */
+
+var port = normalizePort(process.env.PORT || '3000');
+app.set('port', port);
+
+/**
+ * Create HTTP server.
+ */
+
+var server = http.createServer(app);
+
+/**
+ * Listen on provided port, on all network interfaces.
+ */
+
+server.listen(port);
+server.on('error', onError);
+server.on('listening', onListening);
+
+/**
+ * Normalize a port into a number, string, or false.
+ */
+
+function normalizePort(val) {
+  var port = parseInt(val, 10);
+
+  if (isNaN(port)) {
+    // named pipe
+    return val;
+  }
+
+  if (port >= 0) {
+    // port number
+    return port;
+  }
+
+  return false;
+}
+
+/**
+ * Event listener for HTTP server "error" event.
+ */
+
+function onError(error) {
+  if (error.syscall !== 'listen') {
+    throw error;
+  }
+
+  var bind = typeof port === 'string'
+    ? 'Pipe ' + port
+    : 'Port ' + port;
+
+  // handle specific listen errors with friendly messages
+  switch (error.code) {
+    case 'EACCES':
+      console.error(bind + ' requires elevated privileges');
+      process.exit(1);
+      break;
+    case 'EADDRINUSE':
+      console.error(bind + ' is already in use');
+      process.exit(1);
+      break;
+    default:
+      throw error;
+  }
+}
+
+/**
+ * Event listener for HTTP server "listening" event.
+ */
+
+function onListening() {
+  var addr = server.address();
+  var bind = typeof addr === 'string'
+    ? 'pipe ' + addr
+    : 'port ' + addr.port;
+  debug('Listening on ' + bind);
+}

controllers/twatt.controller.js

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+const OAuth = require('oauth');
+
+module.exports = {
+    searchTweet (req, res) {
+        let oauth = new OAuth.OAuth(
+            'https://api.twitter.com/oauth/request_token',
+            'https://api.twitter.com/oauth/access_token',
+            'iXJGJBdyEyFjxtdYBAcAbeoTY',
+            'BkhZXiuWw29HvjtJvFc99SF6C4LGoywgVLgzUqHIeUSywD3g6l',
+            '1.0A',
+            null,
+            'HMAC-SHA1'
+        );
+        oauth.get(
+            'https://api.twitter.com/1.1/trends/place.json?id=23424977',
+            '63960633-TwyHk2Dav1F1g4VmkEOkeZ7Dj613ihjHF03Oi2c4a', //test user token 
+            'bcVE0et6LVyYjdxk8fAMT8ezPFDABzrWuvUGvlFtqbaU4', //test user secret             
+            function (e, data) {
+                if (e) console.error(e);
+                res.status(200).json({
+                    data:JSON.parse(data)
+                })
+            });
+    },
+    timelineTweet (req, res) {
+        let oauth = new OAuth.OAuth(
+            'https://api.twitter.com/oauth/request_token',
+            'https://api.twitter.com/oauth/access_token',
+            'iXJGJBdyEyFjxtdYBAcAbeoTY',
+            'BkhZXiuWw29HvjtJvFc99SF6C4LGoywgVLgzUqHIeUSywD3g6l',
+            '1.0A',
+            null,
+            'HMAC-SHA1'
+        );
+        oauth.get(
+            'https://api.twitter.com/1.1/statuses/home_timeline.json',
+            '63960633-TwyHk2Dav1F1g4VmkEOkeZ7Dj613ihjHF03Oi2c4a', //test user token 
+            'bcVE0et6LVyYjdxk8fAMT8ezPFDABzrWuvUGvlFtqbaU4', //test user secret             
+            function (e, data) {
+                if (e) console.error(e);
+                res.status(200).json({
+                    data: JSON.parse(data)
+                })
+            });
+    },
+    searchTweetbyKeyword (req, res) {
+        let oauth = new OAuth.OAuth(
+            'https://api.twitter.com/oauth/request_token',
+            'https://api.twitter.com/oauth/access_token',
+            'iXJGJBdyEyFjxtdYBAcAbeoTY',
+            'BkhZXiuWw29HvjtJvFc99SF6C4LGoywgVLgzUqHIeUSywD3g6l',
+            '1.0A',
+            null,
+            'HMAC-SHA1'
+        );
+        oauth.get(
+            `https://api.twitter.com/1.1/search/tweets.json?q=${req.body.keyword}`,
+            '63960633-TwyHk2Dav1F1g4VmkEOkeZ7Dj613ihjHF03Oi2c4a', //test user token 
+            'bcVE0et6LVyYjdxk8fAMT8ezPFDABzrWuvUGvlFtqbaU4', //test user secret             
+            function (e, data) {
+                if (e) console.error(e);
+                res.status(200).json({
+                    data: JSON.parse(data)
+                })
+            });
+    },
+    postNewTweet (req, res) {
+        let oauth = new OAuth.OAuth(
+            'https://api.twitter.com/oauth/request_token',
+            'https://api.twitter.com/oauth/access_token',
+            'iXJGJBdyEyFjxtdYBAcAbeoTY',
+            'BkhZXiuWw29HvjtJvFc99SF6C4LGoywgVLgzUqHIeUSywD3g6l',
+            '1.0A',
+            null,
+            'HMAC-SHA1'
+        );
+        oauth.post(
+            `https://api.twitter.com/1.1/statuses/update.json?status=${req.query.status}`,
+            '63960633-TwyHk2Dav1F1g4VmkEOkeZ7Dj613ihjHF03Oi2c4a', //test user token 
+            'bcVE0et6LVyYjdxk8fAMT8ezPFDABzrWuvUGvlFtqbaU4', //test user secret
+            req.query.status,
+            'hey',
+            function (e, data) {
+                if (e) console.error(e);
+                res.status(200).json({
+                    data: JSON.parse(data)
+                })
+            });
+    }
+}

package.json

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+{
+  "name": "twatt",
+  "version": "0.0.0",
+  "private": true,
+  "scripts": {
+    "start": "node ./bin/www",
+    "dev": "nodemon ./bin/www"
+  },
+  "dependencies": {
+    "body-parser": "~1.18.2",
+    "cookie-parser": "~1.4.3",
+    "debug": "~2.6.9",
+    "ejs": "~2.5.7",
+    "express": "~4.15.5",
+    "live-server": "^1.2.0",
+    "morgan": "~1.9.0",
+    "nodemon": "^1.17.1",
+    "oauth": "^0.9.15",
+    "serve-favicon": "~2.4.5"
+  }
+}

public/stylesheets/style.css

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+body {
+  padding: 50px;
+  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
+}
+
+a {
+  color: #00B7FF;
+}

routes/index.js

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+var express = require('express');
+var router = express.Router();
+
+/* GET home page. */
+router.get('/', function(req, res, next) {
+  res.render('index', { title: 'Express' });
+});
+
+module.exports = router;

routes/twatt.route.js

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+const express = require('express')
+const router = express.Router()
+const twattController = require('../controllers/twatt.controller')
+
+router
+.get('/', twattController.searchTweet)
+.get('/timeline', twattController.timelineTweet)
+.get('/search', twattController.searchTweetbyKeyword)
+.post('/postStatus', twattController.postNewTweet)
+
+module.exports = router

routes/users.js

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+var express = require('express');
+var router = express.Router();
+
+/* GET users listing. */
+router.get('/', function(req, res, next) {
+  res.send('respond with a resource');
+});
+
+module.exports = router;

views/error.ejs

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+<h1><%= message %></h1>
+<h2><%= error.status %></h2>
+<pre><%= error.stack %></pre>

views/index.ejs

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+<!DOCTYPE html>
+<html>
+  <head>
+    <title><%= title %></title>
+    <link rel='stylesheet' href='/stylesheets/style.css' />
+  </head>
+  <body>
+    <h1><%= title %></h1>
+    <p>Welcome to <%= title %></p>
+  </body>
+</html>