Draft chart of dojo number

Author: nalabjp

app/controllers/static_pages_controller.rb

@@ -32,6 +32,13 @@ def stats
         EventHistory.where(evented_at:
                      Time.zone.local(year).beginning_of_year..Time.zone.local(year).end_of_year).sum(:participants)
     end
+
+    @graph = LazyHighCharts::HighChart.new('graph') do |f|
+      f.title(text: '全国の道場数の推移')
+      f.xAxis(categories: @range.to_a)
+      f.series(name: '道場数', yAxis: 0, data: @dojos.values)
+      f.chart(width: 600)
+    end
   end
 
   def letsencrypt

app/views/static_pages/stats.html.haml

@@ -60,6 +60,7 @@
             - @range.each do |year|
               %td= @participants[year]
             %td= @participants.values.inject(:+)
+      = high_chart("charts", @graph)
 
     %h3 関連リンク
     %ul{:style => "list-style: none; margin-left: -40px;"}