Update stats_controller.rb

app/controllers/admin/stats_controller.rb

@@ -1,23 +1,8 @@
 module Admin
   class StatsController < Admin::AdminController
     def index
-      @chart_data = []
-      Discipline.pluck(:name).each do |discipline|
-        @chart_data.push({ name: discipline, data: [] })
-      end
       @years = %w[2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024]
-      @years.each do |year|
-        res = Result.joins(:event).where(events: { year: year, type: "SingleDayEvent" })
-                    .where(competition_result: false, team_competition_result: false)
-                    .where.not(person_id: nil).group(:discipline).count
-        @chart_data.each do |data|
-          if res[data[:name]].nil?
-            data[:data].push(0)
-          else
-            data[:data].push(res[data[:name]])
-          end
-        end
-      end
+      @chart_data = Stats.racer_days_by_discipline(@years)
     end
   end
 end