Class: ActiveAdmin::Decorator

Inherits:
SimpleDelegator
  • Object
show all
Defined in:
lib/activeadmin/decorator.rb,
lib/activeadmin/decorator/association.rb

Direct Known Subclasses

ArbreDecorator

Defined Under Namespace

Modules: Association

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.decorate(*args) ⇒ Object

Utility method for ActiveAdmin



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# File 'lib/activeadmin/decorator.rb', line 10

def decorate(*args)
  object = args[0]
  Association.decorate(object, with: self)
end

.decorates_association(association, relation: association, with: nil) ⇒ Object

use in decorator to decorate association

Raises:

  • (ArgumentError) 


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# File 'lib/activeadmin/decorator.rb', line 16

def decorates_association(association, relation: association, with: nil) # rubocop:disable Metrics/MethodLength
  raise ArgumentError, "relation must be a Symbol or Proc" unless relation.is_a?(Symbol) || relation.is_a?(Proc)

  define_method(association) do
    if instance_variable_defined?("@#{association}_decorated")
    then instance_variable_get("@#{association}_decorated")
    else
      result =
        if relation.is_a?(Proc) then relation.call(model)
        elsif relation.is_a?(Symbol) then model.send(relation)
        end
      instance_variable_set("@#{association}_decorated", Association.decorate(result, with:, parent: self))
    end
  end
end

Instance Method Details

#model ⇒ Object 



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# File 'lib/activeadmin/decorator.rb', line 33

def model = __getobj__

#nil? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/activeadmin/decorator.rb', line 35

def nil? = model.nil?