121 lines
2.7 KiB
JavaScript
121 lines
2.7 KiB
JavaScript
// 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);
|
|
});
|
|
|