helper.rb in katalyst-tables-1.1.0

- old
+ new

@@ -2,9 +2,25 @@
 
 module Katalyst
   module Tables
     module Frontend
       module Helper # :nodoc:
+        extend ActiveSupport::Concern
+
+        # Generates a url for applying/toggling sort for the given column.
+        #
+        # @param sort [String, nil] sort parameter to apply, or nil to remove sorting
+        # @return [String] URL for toggling column sorting
+        def sort_url_for(sort: nil)
+          # Implementation inspired by pagy's `pagy_url_for` helper.
+          # Preserve any existing GET parameters
+          # CAUTION: these parameters are not sanitised
+          params       = request.GET.merge("sort" => sort).except("page")
+          query_string = params.empty? ? "" : "?#{Rack::Utils.build_nested_query(params)}"
+
+          "#{request.path}#{query_string}"
+        end
+
         private
 
         def html_options_for_table_with(html: {}, **options)
           html_options = options.slice(:id, :class, :data).merge(html)
           html_options.stringify_keys!