Module: Protector::CanCan::Ability

Defined in:
lib/protector/cancan/ability.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(mod) ⇒ Object 



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# File 'lib/protector/cancan/ability.rb', line 20

def self.included(mod)
  mod.class_eval do

    def can_with_protector?(action, entity_set, *extra_args)
      if entity_set.is_a? Hash
        entity = entity_set.values.first
      else
        entity = entity_set
      end

      if entity.respond_to?(:restrict!) && @protector_subject_defined
        @protector_models ||= Set.new

        model = entity
        model = model.class unless model.is_a?(Class)

        unless @protector_models.include?(model)
          meta = entity.is_a?(Class) ? entity.protector_meta.evaluate(@protector_subject)
                                     : entity.protector_meta(@protector_subject)

          meta.access.each do |action, fields|
            action = :read if action == :view # *doh*
            can action, model unless fields.empty?
          end

          can :destroy, model if meta.destroyable?

          @protector_models << model
        end
      end

      can_without_protector? action, entity_set, *extra_args
    end

    alias_method_chain :can?, :protector
  end
end

Instance Method Details

#import_protector(subject) ⇒ Object 



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# File 'lib/protector/cancan/ability.rb', line 7

def import_protector(subject)
  @protector_subject = subject
  @protector_subject_defined = true
end

#protector_subject ⇒ Object 



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# File 'lib/protector/cancan/ability.rb', line 12

def protector_subject
  @protector_subject
end

#protector_subject? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/protector/cancan/ability.rb', line 16

def protector_subject?
  !!@protector_subject_defined
end