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week6: twitter-search-timeline

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gauthiier 2016-12-07 18:58:11 +01:00
parent 6a95d6287c
commit b66439390c
4 changed files with 259 additions and 0 deletions
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117
week6/twitter-search-timeline/index.html Normal file
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<html>
<head>
<title>SEARCH TWITTER</title>
<style>
/* CSS Styling */
#frame {
width: 100%;
}
#inputs{
width: 50em;
bborder: 1px solid black;
}
.hit {
bborder: 1px solid green;
display: inline-block;
padding: 1em;
max-width: 400px;
vertical-align: top;
}
.tweet_image img {
max-width: 400px;
margin: 0.3em;
}
</style>
<!-- SCRIPTS -->
<!-- import handlebars -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/handlebars.js/4.0.5/handlebars.min.js"></script>
<!-- import jquery -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
</head>
<body>
<!-- HTML -->
<label>SEARCH TWITTER</label>
<div id="frame">
<!-- inputs for the search to send to server -->
<div id="inputs">
<label>username: </label>
<input id="username_text_field" type="text"/>
<label>keyword: </label>
<input id="keyword_text_field" type="text"/>
<label>results </label>
<input id="nbr_results" type="number" value="150" min="100" max="500">
<input id="radio_videos" type="radio"/>
<!-- search button -->
<input type="button" value="Search" onclick="search();"/>
</div>
<div id="results">
<script id="results-template" type="text/x-handlebars-template">
{{#each this}}
<div class="hit">
<div class='tweet_text'>{{text}}</div>
{{#if images}}
{{#each images}}
<div class='tweet_image'>
<img src={{this}} />
</div>
{{/each}}
{{/if}}
</div>
{{/each}}
</script>
</div>
</div>
<!-- SCRIPTS -->
<!-- import socket.io -->
<script src="/socket.io/socket.io.js"></script>
<script>
// connect to localhost on its port (see server.js -- 8088)
var socket = io().connect('http://localhost:8088');
// when connecting
socket.on('connect', function (data) {
console.log('connected');
});
// when receiving a custom message form the server ('search_twitter_results')
socket.on('search_twitter_results', function(msg) {
console.log('search_twitter_results: ' + JSON.stringify(msg));
compile_results_and_dispay(msg);
});
// when search button is pressed
function search() {
var username = document.getElementById("username_text_field").value;
var keyword = document.getElementById("keyword_text_field").value;
var hits = document.getElementById("nbr_results").value;
// create search parameters that will be sent to the server
var search_params = {username: username, keyword: keyword, nbr_hits: hits}
// send request to the server
socket.emit('search_twitter', search_params);
}
function compile_results_and_dispay(results) {
var template_script = $("#results-template").html();
var template = Handlebars.compile(template_script);
$('.hit').remove();
$('#results').append(template(results));
}
</script>
</body>
</html>

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week6/twitter-search-timeline/package.json Normal file
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{
"name": "search-twitter",
"version": "1.0.0",
"description": "simple twitter search",
"main": "server.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "gauthier",
"license": "ISC",
"dependencies": {
"express": "^4.14.0",
"socket.io": "^1.6.0",
"twitter": "^1.4.0"
}
}

120
week6/twitter-search-timeline/server.js Normal file
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// server.js
// import express ()
var express = require('express'); // npm install --save express
var app = express();
// import node.js http
var server = require('http').Server(app);
// import socket.io
var io = require('socket.io')(server); // npm install --save socket.io
// import filesystem (aka fs)
var fs = require('fs');
//import twitter
var twitter = require('twitter'); // npm install --save twitter
/* ----------------------
Twitter Configuration
-------------------------*/
// load configuration file with all secrets, etc.
var config_file = "./twitter_credentials.json";
var config = JSON.parse(fs.readFileSync(config_file, "utf8"));
// create the twitter client
var client = new twitter(config);
/* ----------------------
Twitter Functions
-------------------------*/
function timeline_user(username, nbr_hits) {
var twitter_search_params = {screen_name: username, count: nbr_hits};
client.get('statuses/user_timeline', twitter_search_params, function(error, tweets, response) {
var results = [];
if(error) {
console.log(error);
return;
}
for(tweet of tweets) {
//console.log(tweet);
var r = {text: tweet.text}; // creating own data structure
if(tweet.extended_entities && tweet.extended_entities.media) {
r.images = []; // creating a array of images
for(media of tweet.extended_entities.media) {
if(media.type == 'photo')
r.images.push(media.media_url);
}
}
results.push(r);
}
// send results to client
io.emit('search_twitter_results', results);
});
}
/* ----------------------------------
Server and Socket Configuration
--------------------------------------*/
// tell express to server our index.html file
app.get('/', function (req, res) {
res.sendFile(__dirname + '/index.html');
});
// configure socket.io
// (1) when there is a connection
io.on('connection', function(socket) {
console.log('got a connection');
//io.emit('message from robot', 'Hi! my name is Reihtuag!'); // greetings
// (2) configure the connected socket to receive custom messages ('message from human')
socket.on('search_twitter', function(msg) {
console.log('searching twitter with: ' + JSON.stringify(msg));
//here msg = {username: username, keyword: keyword, nbr_hits: hits}
timeline_user(msg.username, msg.nbr_hits);
});
socket.on('disconnet', function() {
console.log('got a disconnection');
});
});
/* -------------------
Start the server
----------------------*/
// listen to connection on port 8088 --> http://localhost:8088
server.listen(8088, function () {
console.log('listening on port: ' + 8088);
});

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week6/twitter-search-timeline/twitter_credentials.json Normal file
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{
"consumer_key": "jKMz31iuQMImQpDZOEKlFelb2",
"consumer_secret": "IAfen9GcPSKsmiFZcXv23qVLDdI6PhHAFfJidc8UWbg8qIJnmH",
"access_token_key": "801125183360745472-eMpgT1Cscw86Mm31KG8DTq336L5g4RB",
"access_token_secret": "xZEuPLawdBwOgPCSWHaWsUAgbYlobAztYmwMMGeJvtsli"
}