Method: Brainstem::Presenter#apply_filters_to_scope

Defined in:
lib/brainstem/presenter.rb

#apply_filters_to_scope(scope, user_params, options) ⇒ Object

Given user params, build a hash of validated filter names to their unsanitized arguments.



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# File 'lib/brainstem/presenter.rb', line 188

def apply_filters_to_scope(scope, user_params, options)
  helper_instance = fresh_helper_instance

  requested_filters = extract_filters(user_params, options)
  requested_filters.each do |filter_name, filter_arg|
    filter_lambda = configuration[:filters][filter_name][:value]

    args_for_filter_lambda = [filter_arg]
    args_for_filter_lambda << requested_filters if configuration[:filters][filter_name][:include_params]

    if filter_lambda
      scope = helper_instance.instance_exec(scope, *args_for_filter_lambda, &filter_lambda)
    else
      scope = scope.send(filter_name, *args_for_filter_lambda)
    end
  end

  scope
end