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index.js
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var http = require('http'),
express = require('express'),
path = require('path'),
MongoClient = require('mongodb').MongoClient,
Server = require('mongodb').Server,
CollectionDriver = require('./collectionDriver').CollectionDriver;
var app = express();
app.set('port', process.env.PORT || 8080);
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');
app.use(express.bodyParser());
var mongoHost = 'localHost';
var mongoPort = 27017;
var collectionDriver;
var mongoClient = new MongoClient(new Server(mongoHost, mongoPort));
mongoClient.open(function(err, mongoClient) {
if (!mongoClient) {
console.error("Error! Exiting... Must start MongoDB first");
process.exit(1);
}
var db = mongoClient.db("MyDatabase");
collectionDriver = new CollectionDriver(db);
});
app.use(express.static(path.join(__dirname, 'public')));
app.get('/', function (req, res) {
res.send('<html><body><h1>Hello World</h1></body></html>');
});
app.get('/:collection', function(req, res) {
var params = req.params;
collectionDriver.findAll(req.params.collection, function(error, objs) {
if (error) { res.send(400, error); }
else {
if (req.accepts('html')) {
res.render('data',{objects: objs, collection: req.params.collection});
} else {
res.set('Content-Type','application/json');
res.send(200, objs);
}
}
});
});
app.get('/:collection/:entity', function(req, res) {
var params = req.params;
var entity = params.entity;
var collection = params.collection;
if (entity) {
collectionDriver.get(collection, entity, function(error, objs) {
if (error) { res.send(400, error); }
else { res.send(200, objs); }
});
} else {
res.send(400, {error: 'bad url', url: req.url});
}
});
app.post('/:collection', function(req, res) {
var object = req.body;
var collection = req.params.collection;
collectionDriver.save(collection, object, function(err,docs) {
if (err) { res.send(400, err); }
else { res.send(201, docs); }
});
});
app.put('/:collection/:entity', function(req, res) {
var params = req.params;
var entity = params.entity;
var collection = params.collection;
if (entity) {
collectionDriver.update(collection, req.body, entity, function(error, objs) {
if (error) { res.send(400, error); }
else { res.send(200, objs); }
});
} else {
var error = { "message" : "Cannot PUT a whole collection" }
res.send(400, error);
}
});
app.delete('/:collection/:entity', function(req, res) {
var params = req.params;
var entity = params.entity;
var collection = params.collection;
if (entity) {
collectionDriver.delete(collection, entity, function(error, objs) {
if (error) { res.send(400, error); }
else { res.send(200, objs); }
});
} else {
var error = { "message" : "Cannot DELETE a whole collection" }
res.send(400, error);
}
});
app.use(function (req,res) {
res.render('404', {url:req.url});
});
http.createServer(app).listen(app.get('port'), function(){
console.log('Express server listening on port ' + app.get('port'));
});