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Contents
# frozen_string_literal: true
require "active_support/concern"
module Decidim
module Plans
# Common logic to ordering resources
module Orderable
extend ActiveSupport::Concern
included do
helper_method :order, :available_orders, :random_seed
private
# Gets how the plans should be ordered based on the choice made by the user.
def order
@order ||= detect_order(params[:order]) || default_order
end
# Available orders based on enabled settings
def available_orders
@available_orders ||= begin
available_orders = %w(random recent)
available_orders
end
end
def default_order
"random"
end
# Returns: A random float number between -1 and 1 to be used as a random seed at the database.
def random_seed
@random_seed ||= (params[:random_seed] ? params[:random_seed].to_f : (rand * 2 - 1))
end
def detect_order(candidate)
available_orders.detect { |order| order == candidate }
end
def reorder(plans)
case order
when "random"
plans.order_randomly(random_seed)
when "recent"
plans.order(created_at: :desc)
end
end
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems