Module: ActiveInteraction::Extras::FilterExtensions::ObjectClasses

Defined in:
lib/active_interaction/extras/filter_extensions/object_classes.rb

Overview

Add support for polymorphic objects

object :account, class: [Account, AnyoneAccount]

Instance Method Summary collapse

Instance Method Details

#class_list ⇒ Object 



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# File 'lib/active_interaction/extras/filter_extensions/object_classes.rb', line 7

def class_list
  class_names.map do |klass_name|
    case klass_name
    when Class
      klass_name
    else
      begin
        Object.const_get(klass_name.to_s.camelize)
      rescue NameError
        raise ActiveInteraction::InvalidNameError, "class #{klass_name.inspect} does not exist"
      end
    end
  end
end

#class_names ⇒ Object 



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# File 'lib/active_interaction/extras/filter_extensions/object_classes.rb', line 40

def class_names
  options.fetch(:class, name)
end

#klass ⇒ Object 



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# File 'lib/active_interaction/extras/filter_extensions/object_classes.rb', line 22

def klass
  if polymorphic?
    class_list.first
  else
    super
  end
end

#matches?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_interaction/extras/filter_extensions/object_classes.rb', line 30

def matches?(value)
  if polymorphic?
    return false if value == nil

    class_list.any? { |klass| value.class <= klass }
  else
    super
  end
end

#polymorphic? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_interaction/extras/filter_extensions/object_classes.rb', line 44

def polymorphic?
  class_names.is_a? Array
end