examples/resource/index.js
'use strict'
/**
* Module dependencies.
*/
var express = require('../../');
var app = module.exports = express();
// Ad-hoc example resource method
app.resource = function(path, obj) {
this.get(path, obj.index);
this.get(path + '/:a..:b.:format?', function(req, res){
var a = parseInt(req.params.a, 10);
var b = parseInt(req.params.b, 10);
var format = req.params.format;
obj.range(req, res, a, b, format);
});
this.get(path + '/:id', obj.show);
this.delete(path + '/:id', function(req, res){
var id = parseInt(req.params.id, 10);
obj.destroy(req, res, id);
});
};
// Fake records
var users = [
{ name: 'tj' }
, { name: 'ciaran' }
, { name: 'aaron' }
, { name: 'guillermo' }
, { name: 'simon' }
, { name: 'tobi' }
];
// Fake controller.
var User = {
index: function(req, res){
res.send(users);
},
show: function(req, res){
res.send(users[req.params.id] || { error: 'Cannot find user' });
},
destroy: function(req, res, id){
var destroyed = id in users;
delete users[id];
res.send(destroyed ? 'destroyed' : 'Cannot find user');
},
range: function(req, res, a, b, format){
var range = users.slice(a, b + 1);
switch (format) {
case 'json':
res.send(range);
break;
case 'html':
default:
var html = '<ul>' + range.map(function(user){
return '<li>' + user.name + '</li>';
}).join('\n') + '</ul>';
res.send(html);
break;
}
}
};
// curl http://localhost:3000/users -- responds with all users
// curl http://localhost:3000/users/1 -- responds with user 1
// curl http://localhost:3000/users/4 -- responds with error
// curl http://localhost:3000/users/1..3 -- responds with several users
// curl -X DELETE http://localhost:3000/users/1 -- deletes the user
app.resource('/users', User);
app.get('/', function(req, res){
res.send([
'<h1>Examples:</h1> <ul>'
, '<li>GET /users</li>'
, '<li>GET /users/1</li>'
, '<li>GET /users/3</li>'
, '<li>GET /users/1..3</li>'
, '<li>GET /users/1..3.json</li>'
, '<li>DELETE /users/4</li>'
, '</ul>'
].join('\n'));
});
/* istanbul ignore next */
if (!module.parent) {
app.listen(3000);
console.log('Express started on port 3000');
}