Screencast: ActiveAttr in eigenen Klassen verwenden

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Resourcen:

• ActiveAttr
• Episode 219: Active Model

Gemfile

[ruby] gem ‘active_attr’ [/ruby]

models/message.rb

[ruby] class Message include ActiveAttr::Model

attribute :name attribute :email attribute :content attribute :priority # type: Integer, default: 0

attr_accessible :name, :email, :content validates_presence_of :name validates_format_of :email, :with => /^[-a-z0-9_+.]+@([-a-z0-9]+.)+[a-z0-9]{2,4}$/i validates_length_of :content, :maximum => 500 end [/ruby]

rails console

[ruby] m = Message.new(priority: 1) m.priority m.priority = 1 m.priority? [/ruby]

controllers/messages_controller.rb

[ruby] def new @message = Message.new end

def create @message = Message.new(params[:message]) if @message.valid? # TODO send message here redirect_to root_url, notice: “Message sent! Thank you for contacting us.” else render “new” end end [/ruby]