Module: Alchemy::AbilityHelper

Included in:
BaseController
Defined in:
lib/alchemy/ability_helper.rb

Instance Method Summary collapse

Instance Method Details

#current_ability ⇒ Object

Ensures usage of Alchemy’s permissions class.

Register custom Abilities

If your app has a CanCan Ability class with rules you want to be aviable in an Alchemy context you need to register it. Or if you have an engine with it’s own CanCan abilities you want to add to Alchemy you must register them first.

Alchemy.register_ability MyCustom::Permisson



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# File 'lib/alchemy/ability_helper.rb', line 14

def current_ability
  @current_ability ||= begin
    alchemy_permissions = Alchemy::Permissions.new(current_alchemy_user)
    Alchemy.registered_abilities.each do |klass|
      # Ensure to avoid issues with Rails constant lookup.
      klass = "::#{klass}".constantize
      alchemy_permissions.merge(klass.new(current_alchemy_user))
    end
    alchemy_permissions
  end
end