Extract method

Author: n-rodriguez

lib/ajax-datatables-rails/base.rb

@@ -73,13 +73,11 @@ def additional_data
 
     # JSON structure sent to jQuery DataTables
     def as_json(*)
-      draw_resp = (params[:draw].present?) ? { draw: params[:draw].to_i } : { }
-
       {
         recordsTotal:    records_total_count,
         recordsFiltered: records_filtered_count,
         data:            sanitize_data(data),
-      }.merge(draw_resp).merge(additional_data)
+      }.merge(draw_id).merge(additional_data)
     end
 
     # User helper methods
@@ -154,6 +152,11 @@ def global_search_delimiter
       GLOBAL_SEARCH_DELIMITER
     end
 
+    # See: https://datatables.net/manual/server-side#Returned-data
+    def draw_id
+      params[:draw].present? ? { draw: params[:draw].to_i } : {}
+    end
+
     def raw_records_error_text
       <<-ERROR