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Contents
# frozen_string_literal: true
module Katalyst
module Tables
# Extension to add sorting support to a collection.
# Assumes collection and sorting are available in the current scope.
module Sortable
extend ActiveSupport::Concern
# Returns true when the given attribute is sortable.
def sortable?(attribute)
sorting&.supports?(collection, attribute)
end
# Generates a url for applying/toggling sort for the given column.
def sort_url(attribute) # rubocop:disable Metrics/AbcSize
# Implementation inspired by pagy's `pagy_url_for` helper.
# Preserve any existing GET parameters
# CAUTION: these parameters are not sanitised
sort = attribute && sorting.toggle(attribute)
params = if sort && !sort.eql?(sorting.default)
request.GET.merge("sort" => sort).except("page")
else
request.GET.except("page", "sort")
end
query_string = params.empty? ? "" : "?#{Rack::Utils.build_nested_query(params)}"
"#{request.path}#{query_string}"
end
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems