Module: Troles::Common::Api::Event

Defined in:
lib/troles/common/api/event.rb

Instance Method Summary collapse

Instance Method Details

#event_manager ⇒ Trole::EventManager

Returns The event manager singleton (class) to use to handle role events.

Returns:

  • (Trole::EventManager) —

    The event manager singleton (class) to use to handle role events



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# File 'lib/troles/common/api/event.rb', line 35

def event_manager
  Troles::Common::EventManager
end

#publish_change(event) ⇒ Object

Publishes change event to the EventManager configured The EventManager is notied of the even type and who (which instance) sent it

Parameters:

  • the (Symbol) —

    event



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# File 'lib/troles/common/api/event.rb', line 29

def publish_change event
  send :invalidate_role_cache! if event == :roles
  event_manager.publish_change event, :from => self
end

#role_field_changed?(name) ⇒ Boolean

Check if a field on the model changed For Rails 3, See api.rubyonrails.org/classes/ActiveModel/Dirty.html

Parameters:

  • the (String) —

    field to test for change

Returns:

  • (Boolean) 


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# File 'lib/troles/common/api/event.rb', line 18

def role_field_changed? name
  begin
    send :"#{name}_changed?"
  rescue
    false
  end
end

#update_roles ⇒ Object

A change to the roles of the user should be published to an event handler this can be used to update both the Role cache of the user and fx the RolePermit cache. A Role Groups listener can also subscribe to this event



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# File 'lib/troles/common/api/event.rb', line 11

def update_roles
  publish_change(:roles) if role_field_changed?(troles_config.role_field)
end