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server.js
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server.js
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var express = require('express'),
app = express(),
fs = require('fs'),
http = require('http').Server(app),
bodyParser = require('body-parser'),
VisualRecognitionV3 = require('watson-developer-cloud/visual-recognition/v3'),
router = express.Router(),
visualRecognition = new VisualRecognitionV3({
api_key: '6666546e9cca61687197f337b5b0f4f18a08e70c',
version: '2016-05-20'
});
app.use(router);
app.use(bodyParser.json({ limit: '50mb' }));
app.use(bodyParser.urlencoded({ limit: '50mb', extended: true }));
app.use(express.static(__dirname + '/client'));
app.use(function (req, res, next) {
res.setHeader('Access-Control-Allow-Origin', '*');
res.setHeader('Access-Control-Allow-Methods', 'POST');
res.setHeader('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept');
res.setHeader('Content-Type', 'application/json');
res.setHeader('Access-Control-Allow-Credentials', true);
next();
});
router.get('/', function (req, res) {
console.log('USER CONNECTED');
res.sendFile(__dirname + '/client/index.html');
});
app.post('/godsEye', function (req, res) {
console.log('God\'s Eye');
let base64String = req.body.image,
base64Image = base64String.split(';base64,').pop();
fs.writeFile('./tmp/' + req.body.name, base64Image, { encoding: 'base64' }, function (err) {
console.log('File created');
let reqImg = req.body.image,
params = {
images_file: fs.createReadStream('./tmp/' + req.body.name),
threshold: 0.8
};
visualRecognition.classify(params, function (err, response) {
if (err) {
console.warn(err);
} else {
console.log('Watson saw it.');
res.json(response, null, 2);
}
fs.unlink('./tmp/' + req.body.name, function (err) {
if (err) {
console.log("Failed to delete local image:" + err);
} else {
console.log('Successfully deleted local image');
}
});
});
});
});
http.listen(process.env.PORT || 8888, function () {
console.log('listening on *:8888');
});