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# frozen_string_literal: true
require "active_support/concern"
module Decidim
module Initiatives
# Common logic to ordering resources
module Orderable
extend ActiveSupport::Concern
included do
helper_method :order, :available_orders, :random_seed
private
# Gets how the proposals should be ordered based on the choice
# made by the user.
def order
@order ||= detect_order(params[:order]) || default_order
end
def detect_order(candidate)
available_orders.detect { |order| order == candidate }
end
# Available orders based on enabled settings
def available_orders
@available_orders ||= begin
available_orders = %w(random recent most_voted most_commented)
available_orders
end
end
def default_order
"random"
end
def reorder(initiatives)
case order
when "most_voted"
initiatives.order_by_supports
when "most_commented"
initiatives.order_by_most_commented
when "recent"
initiatives.order_by_most_recent
else
initiatives.order_randomly(random_seed)
end
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
end
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems