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server.js
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server.js
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var express = require('express');
var app = express();
var mongo = require('mongodb').MongoClient;
var path = require('path');
var Bing = require('node-bing-api')
({ accKey: process.env.BING_KEY });
var imageUrl = process.env.MONGOLAB_IMAGE_SEARCH
||'mongodb://localhost:27017/imagesearch';
app.get('/', function (req, res) {
res.sendFile(path.join(__dirname + '/index.html'));
});
// Get image by query route
app.get('/api/imagesearch/:query', function(req, res) {
var query = req.params.query;
var offset = req.query.offset || 0;
var results = [];
// Call Bing Api and set up call
Bing.images(query, {top: 10, skip: parseInt(offset)}
,function(error, response, body){
if (error) throw error;
//push first 10 query an array
for (var i = 0; i < 10; i++) {
results.push({
url: body.d.results[i].MediaUrl,
snippet: body.d.results[i].Title,
thumbnail: body.d.results[i].Thumbnail.MediaUrl,
context: body.d.results[i].SourceUrl
});
}
// Also save them in mongodb
mongo.connect(imageUrl, function(err, db) {
if (err) throw err;
var images = db.collection('images');
images.insert({
term: query,
when: new Date().toISOString()
});
// show the result
res.json(results);
});
});
});
// Get latest image queries
app.get('/api/latest/imagesearch', function(req, res) {
// connect mongodb to get latest
mongo.connect(imageUrl, function(err, db) {
if (err) throw err;
var images = db.collection('images');
images.find({}, {_id: 0})
.limit(10)
.sort({ when: -1})
.toArray(function(err, list) {
if (err) throw err;
// show the result
res.json(list);
});
});
});
// Set port
var port = process.env.PORT || 3000;
app.listen(port, function () {
console.log('Node.js listening on port ' + port);
});