SOFEA - Arquiteturas REST com Backbone & HTML5 by Gabriel Zigolis

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SOFEA Arquiteturas REST com Backbone e HTML5 Gabriel Zigolis / @zigolis

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WTF is SOFEA ?

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S O F E A Service Oriented Front End Architecture

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SOFEA “Proposes to remove all presentation layer logic from the server to JavaScript logic on the client.” thinserverarchitecture.com

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Divisão de responsabilidades no desenvolvimento Baixo acoplamento das camadas Comunicação client/server através de verbos HTTP O client requisita o que e quando O que nós ganhamos com isso?

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REST in peace

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R E S T “Software architectural style consisting of a coordinated set of architectural constraints applied components, conectors and data elements, within a distributed hypermedia system.” Roy Thomas Fielding

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Características Client‑Server Stateless Cache HTTP verbs: GET, POST, PUT, DELETE...

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Backbone “Gives structure to web applications by providing models, collections and views to consume API over a RESTful JSON interface.” backbonejs.org

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Características Poderosa LIB JavaScript Adaptável, baseada no padrão MV* Moderninha, largamente usada em SPA Magrinha, apenas 6.5Kb

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HTML5 é a n... Tá de brinqueichon uite me, cara?

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HTML5 Rocks

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W3C

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Material em PT

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Collection

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Wooow... What's happened?

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Magic?

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WebSocket?

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Fala para eles, Isabelle

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Collection

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Hands on

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JavaScript é terapia! Mulinari, King of Xanxerê

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ListView

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FollowCollection var FollowCollection = Backbone.Collection.extend({ url: '/api/following/', model: FollowModel }); return FollowCollection;

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FollowModel var FollowModel = Backbone.Model.extend({ urlRoot: function() { return '/api/follow/' } }); return FollowModel;

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FollowView var FollowView = Backbone.View.extend({ initialize: function() { this.collection = new FollowCollection(); this.collection.fetch(); } ... }); return FollowView;

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FollowView @followList initialize: function() { ... this.followList = new FollowListView({ 'collection': this.collection, 'el': this.$('.list‑view') }); }

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FollowListView var FollowListView = Backbone.View.extend({ template: _.template( $('#tmp‑list‑view').html() ), initialize: function() { this.listenTo( this.collection, 'sync remove add', this.render ); }, ... }); return FollowListView;

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FollowListView @render ... render: function() { this.$el.html(this.template({ 'collection': this.collection, 'view': this })); }

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FollowButton

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ButtonModel var ButtonModel = Backbone.Model.extend({ "defaults": { "follow": false }, urlRoot: function() { return '/api/follow/' } }); return ButtonModel;

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ButtonView var ButtonView = Backbone.View.extend({ el: '.follow‑section', events: { 'click .follow' : 'follow' }, ... }); return ButtonView;

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ButtonView @initialize ... initialize: function() { this.model = new ButtonModel(); this.listenTo( this.model, "change", follow ); }, ...

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ButtonView @follow ... follow: function() { this.model.set({ follow: true }); this.model.save() .done(function(data) { ... }

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ButtonView @follow ... .done(function(data) { model = new FollowModel(data); Backbone.trigger( "u:follow", model ); Backbone.trigger( "u:followCount" ); this.following(); }); ...

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Here is where the magic happens!

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FollowView var FollowView = Backbone.View.extend({ initialize: function(){ Backbone.on( 'u:follow', this.addToCollection, this ); }, addToCollection: function(model) { this.collection.add(model); } }); return FollowView;

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...and the magic goes on and on

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That's all, folks. e não esqueçam do ;

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[email protected] Gabriel Zigolis zigolis.com github.com/zigolis speakerdeck.com/zigolis slideshare.com/zigolis