Module: Hanami::Action::Session

Overview

Instance Method Summary collapse

• #errors ⇒ Hanami::Validations::Errors

  Read errors from flash or delegate to the superclass.

• #flash ⇒ Hanami::Action::Flash private

  Container useful to transport data with the HTTP session.

• #session ⇒ Hash

  Gets the session from the request and expose it as an Hash.

def errors
  flash[ERRORS_KEY] || params.respond_to?(:errors) && params.errors
end

def flash
  @flash ||= Flash.new(session)
end

require 'hanami/controller'
require 'hanami/action/session'

class Show
  include Hanami::Action
  include Hanami::Action::Session

  def call(params)
    # ...

    # get a value
    session[:user_id] # => '23'

    # set a value
    session[:foo] = 'bar'

    # remove a value
    session[:bax] = nil
  end
end

def session
  @_env[SESSION_KEY] ||= {}
end