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server.js
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server.js
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var express = require('express');
var app = express();
var port = process.env.PORT || 8080;
var mongoose = require('mongoose');
var flash = require('connect-flash');
var storage = require('node-persist');
var cognitiveServices = require('cognitive-services');
var rp = require('request-promise');
var morgan = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var session = require('express-session');
app.use(morgan('dev'));
app.use(cookieParser());
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({
extended: true
}));
app.set('view engine', 'ejs');
app.use(session({
secret: '<your_own_secret>'
}));
app.use(flash());
app.use(express.static(__dirname + '/public'));
app.set('views', __dirname + '/views');
var Twitter = require('twitter');
var computerVision = cognitiveServices.computerVision({
API_KEY: '92975dfa345a423c8756e800f9ed0b14'
})
var client = new Twitter({
consumer_key: '<insert_your_consumer_key>',
consumer_secret: '<insert_your_consumer_secret>',
access_token_key: '<insert_your_access_token>',
access_token_secret: '<insert_your_secret>'
});
var parameters = {
visualFeatures: "Categories"
};
var params = {
screen_name: 'visio_'
};
storage.initSync();
app.get('/', function(req, res) {
var tweets = [];
var descr = [];
var imgURL = [];
var results = [];
client.get('statuses/user_timeline', params, function(error, tweets, response) {
if (!error) {
storage.setItemSync('name', tweets);
for (var i = 0; i < tweets.length; i++) {
var res = {};
if (tweets[i].extended_entities !== undefined) {
var res_text = tweets[i].text;
res_text = res_text.replace(/https?:\/\/t.co\/.+/,'');
res['text'] = res_text;
res['name'] = tweets[i].user.screen_name;
var img_url = tweets[i].extended_entities.media[0].media_url;
res['img'] = img_url;
imgURL.push(img_url);
storage.setItemSync('img_URL', imgURL);
results.push(res);
storage.setItemSync('mixedJSON', results);
var descOptions = {
method: 'POST',
headers: {
'Ocp-Apim-Subscription-Key': '<insert_microsoft_API_key>'
},
uri: 'https://westus.api.cognitive.microsoft.com/vision/v1.0/describe',
qs: {
maxCandidates: 1
},
body: {
url: img_url
},
json: true // Automatically stringifies the body to JSON
};
rp(descOptions)
.then(function(parsedBody) {
descr.push(parsedBody.description.captions[0]);
storage.setItemSync('desc', descr);
})
.catch(function(err) {
throw err;
});
}
}
}
});
var tweetArr = storage.getItemSync('name');
var desc = storage.getItemSync('desc');
var img_urls = storage.getItemSync('img_URL');
var mixed = storage.getItemSync('mixedJSON');
res.render('index.ejs', {
tweetArr: tweetArr,
desc: desc,
img_urls: img_urls,
mixed: mixed
});
});
app.listen(port);
console.log('The magic happens on port ' + port);