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# frozen_string_literal: true
module Gitlab
module Graphql
module Present
extend ActiveSupport::Concern
prepended do
def self.present_using(kls)
@presenter_class = kls
end
def self.presenter_class
@presenter_class || superclass.try(:presenter_class)
end
def self.present(object, attrs)
klass = presenter_class
return object if !klass || object.is_a?(klass)
klass.new(object, **attrs)
end
end
def unpresented
unwrapped || object
end
def present(object_type, attrs)
return unless object_type.respond_to?(:present)
self.unwrapped ||= object
# @object belongs to Schema::Object, which does not expose a writer.
@object = object_type.present(unwrapped, attrs) # rubocop: disable Gitlab/ModuleWithInstanceVariables
end
private
attr_accessor :unwrapped
end
end
end
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