Rails - além do Active Record

Além do Active Record

@HANNELITA a.k.a Hanneli• Desenvolvedora @• Fanática por café (especialmente do Starbucks)• Alucinada por TI• Viciada em codar• Universitária• etc

MySQLRails

PROBLEM?

Uh-oh. Exciting.

class User < ActiveRecord::Base has_many :friends, :dependent => :destroy has_many :contacts, :through => :friends, :order => "created_at DESC", :dependent => :destroy end

class Friend < ActiveRecord::Base belongs_to :user belongs_to :contact, :class_name => "User", :foreign_key => "contact_id" def self.befriend(user, contact) relationship =find_by_user_id_and_contact_id(user.id,friend.id) if relationship.nil? transaction do Friend.create(:user => user, :contact => contact) end end end end

IdIdIdId

HOMEWORKImplemente as relações de follow, follower, followed_by, etc.

YES, YOU CAN

VANTAGENS• Menos código• Legibilidade• Velocidade na busca

• Sim, é só escrever código Ruby.• Prazer, initializer, acho que você já me conhece.

RAILS 3

RAILS 3: THE GREAT DECOUPLING

ActiveRecord

NOT ONLY

rails new seuProjeto -m http://andreasronge.github.com/rails3.rb

YES, IT WORKS.

• CouchDB• Cassandra• Mongo• Riak

PERGUNTAS?

OBRIGADA!• hannelita@gmail.com - Gtalk• @hannelita

Rails - além do Active Record

by Hanneli Tavante on Jul 08, 2011

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