10 minutes of

Hapiness

Daniela Borges

10 minutes of hapiness

A rich framework for building applications and services

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10 minutes of hapiness

walmart case study

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10 minutes of hapiness

walmart case study

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10 minutes of hapiness

walmart case study

express

Most of the effort focused on changing the interaction between Express and the business logic (...) 

[lack of] support for authentication, encrypted cookies, input validation, ...

Eran Hammer

(nodejs Architect at Walmart)

( source: http://hueniverse.com/2012/12/20/hapi-a-prologue/ )

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Hapi

(HTTP API server)

10 minutes of hapiness

walmart case study

  1. configuration is better than code

  2. business logic must be isolated from transport layer 

 

delivering business value

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10 minutes of hapiness

A rich framework for building

applications and services

focus on writing reusable application logic

Hapi

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10 minutes of hapiness

Stats

+62k downloads last month

 

Current version 8.4.0

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10 minutes of hapiness

How easy could it be to

start a server?

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10 minutes of hapiness

    
    var Hapi = require('hapi');
    
    var server = new Hapi.Server();

    server.connection({ 
        host: 'localhost', 
        port: 8000 
    });
    
    server.start();

Create!.. a server

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10 minutes of hapiness

         
    (...)
 
    server.route({
        method: 'GET',
        path:'/api/bar', 
        handler: function (request, reply) {
           reply('Nodeschool event!');
        }
    });
    
    server.start();

Add routes

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10 minutes of hapiness

Create!.. routes

may be organized in plugins

focus on writing reusable

application logic

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10 minutes of hapiness

Create!.. routes using plugins

    var register = function (plugin, options, next) {
    
      plugin.route({
        method: 'GET',
        path: '/api/bar',
        handler: function(request, reply){
          // do interesting stuff
        }
      });
    
      next();
    };
    
    register.attributes = {
      name : 'barApi',
      version : '0.0.1'
    }
    
    module.exports = register;
barApi.js
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Create!.. routes using plugins


    var Hapi = require('hapi');
    var server = new Hapi.Server();
    server.connection(...);
    
    
    // Register the API
    server.register( [ barApi, (...) ] ,
                      function (err) {});
    
    server.start();
index.js
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10 minutes of hapiness

Other relevant plugins

...'cause everything is a plugin

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10 minutes of hapiness

API documentation generator

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10 minutes of hapiness

    server.register( {register: require('lout')} , function (err) {
        // do something crazy with err
    });
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10 minutes of hapiness

Object schema description language and validator

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10 minutes of hapiness

var schema = {
    name: Joi.string().required(),
    paticipantNumber:  Joi.integer().min(0).max(500), 
    website:  Joi.uri()    
}
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10 minutes of hapiness

    var Joi = require('joi');
    
    server.route({
        method: 'POST',
        path:'/api/bar', 
        handler: voodooHandlerFunc,
        config:{
            validate: 
            {
    	        payload: {
                        name: Joi.string().required(),
                	paticipantNumber:  Joi.integer().min(0).max(500),					
                	website:  Joi.uri()    
        	}
            }
        }
    });
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10 minutes of hapiness

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authentication

10 minutes of hapiness

Cookie authentication plugin

hapi-auth-cookie

  • defines a strategy
// register the plugin
server.register(require('hapi-auth-cookie'), function (err) {
    
    // define strategy
    server.auth.strategy('session', 'cookie', {
       
        password: 'secret',
        cookie: 'sid',
        ttl: 1000 * 60 * 60 * 24, //1 day 
        redirectTo: '/login'
    });
});
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10 minutes of hapiness

Cookie authentication plugin

hapi-auth-cookie

  • manages sessions
on login
        request.auth.session.set(xptoAccount);

on logout
        request.auth.session.clear();
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10 minutes of hapiness

third-party login plugin

Bell

  • supports for Google, GitHub, Twitter, Facebook, Instagram, LinkedIn, ...
  • supports OAuth 1.0a and 2.0 based login services 
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10 minutes of hapiness

Relevant plugins

automatic API documentationlout

validationjoi

authenticationhapi-auth-cookie, bell, ...

error handling: boom, poop

testslab

HTTP requests: wreck

database: mongodb, ...

 

views: jade, swig, handlebars

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10 minutes of hapiness

How can I start?

npm install -g makemehapi

I am stuck! What can I do?

Checkout the mentorship program

 

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10 minutes of hapiness

Nodeschool International Day

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Saturday, May 23, 2015

registration: meetup.com/require-lx

10 minutes of hapiness

Motivational Links

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10 minutes of hapiness

Resumé

Daniela Borges 

daniela.borges@ist.utl.pt

 

 sericaia                              @sericaia

 

(web) developer | geocacher | photographer | origami master 

 

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Nodeschool: 10 minutes of Hapiness

By Daniela Matos de Carvalho

Nodeschool: 10 minutes of Hapiness

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