blargh.js

var http = require("http")
var console = require("console")
var url = require("url")
var Router = require("routes-router")
var jsonBody = require("body/json")
var sendText = require("send-data")
var Validator = require("validate-form")

var app = Router()

var usersSchema = {
    title: Validator.type(String),
    status: Validator.memberOf(["open", "pending", "close"]),
    participants: Validator.list({
        // not implemented or yet >_>;
        content: Validator.or([Joi.string(), Joi.number()])
    })
}

app.addRoute("/", validateQuery({ 
    username: Validator.type(String)
}, sendSuccess))

app.addRoute("/admin", validateQuery({
    username: Validator.type(String),
    password: Validator.type(String)
}, sendSuccess))

app.addRoute("/users", validateQuery({
    email: [Validator.min(18), Validator.isEmail()]
}, sendSuccess))

app.addRoute("/config", validateQuery({
    // I'm not sure whether list works with empty content
    choices: Validator.list()
}, sendSuccess))

app.addRoute("/test", validateQuery({
    num: [Validator.min(0), Validator.type(Number)]
}, sendSuccess))

app.addRoute("/test2", validateQuery({
    itemId: Validator.type(String)
}, sendSuccess))

app.addRoute("/simple", validateQuery({
    input: [Validator.type(String), Validator.min(3)]
}, sendSuccess))

app.addRoute("/users/{id}", { "POST": userId })

http.createServer(app).listen("3000", function () {
    console.log("Listening on port 3000")
})

function validateQuery(schema, routeHandler) {
    return function (req, res, opts, cb) {
        var queryObject = url.parse(req.url, true).query
        var err = Joi.validate(queryObject, schema)

        if (err){
            return cb(err._errors)
        }

        // We can choose to pass the query object along so that we don't
        // have to compute it again
        opts.query = queryObject

        routeHandler(req, res, opts, cb)
    }
}

function userId(req, res, opts, cb) {
    jsonBody(req, res, function (err, body) {
        if (err) {
            return cb(err)
        }

        var errors = Joi.validate(body, usersSchema)
        if (errors) {
            return cb(errors._errors)
        }

        sendSuccess(req, res)
    })
}

function sendSuccess(req, res) {
    sendText(req, res, "Success!")
}