railsgoat/app/views/dashboard/dashboard_stats.html.erb

<% if @user.paid_time_off %>
<!-- Begin easy pie charts container -->
 <div class="easy-pie-charts-container">
   <div class="pie-chart">
     <div class="chart1" data-percent="100">
       <%= @user.paid_time_off.pto_days_remaining %>
     </div>
     <h5 class="name">
       Available PTO
     </h5>
   </div>
   <div class="pie-chart">
     <div class="chart2" data-percent="<%= @user.paid_time_off.sick_days_taken_percentage %>">
       <%= @user.paid_time_off.sick_days_taken %>
     </div>
     <h5 class="name">
       Sick Days Taken
     </h5>
   </div>
   <div class="pie-chart">
     <div class="chart3" data-percent="100">
       <%= @user.work_info.income %>
     </div>
     <h5 class="name">
       Income
     </h5>
   </div>
   <div class="pie-chart">
     <div class="chart4" data-percent="100">
       <%= @user.performance.last.score %>
     </div>
     <h5 class="name">
       Performance Score
     </h5>
   </div>
   <div class="pie-chart">
     <div class="chart5" data-percent="91">
        <%= @user.retirement.total %>
     </div>
     <h5 class="name">
       401k
     </h5>
   </div>
   <div class="clearfix">
   </div>
 </div>
 <!-- End easy pie charts container -->
<% end %>
<script type="text/javascript">

function pieChartHome() {
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    //create instance
    $('.chart1').easyPieChart({
      animate: 2000,
      barColor: '#e26666',
      trackColor: '#dddddd',
      scaleColor: '#e26666',
      size: 160,
      lineWidth: 7,
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    //update instance after 5 sec
    setTimeout(function () {
      $('.chart1').data('easyPieChart').update(50);
    }, 5000);
    setTimeout(function () {
      $('.chart1').data('easyPieChart').update(70);
    }, 10000);
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      barColor: '#b5799e',
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  });

  $(function () {
    //create instance
    $('.chart3').easyPieChart({
      animate: 2000,
      barColor: '#579da9',
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      scaleColor: '#579da9',
      size: 160,
      lineWidth: 7,
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    //update instance after 5 sec
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  $(function () {
    //create instance
    $('.chart4').easyPieChart({
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      barColor: '#dba26b',
      trackColor: '#dddddd',
      scaleColor: '#dba26b',
      size: 160,
      lineWidth: 7,
    });
    //update instance after 5 sec
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      $('.chart4').data('easyPieChart').update(40);
    }, 6000);
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      $('.chart4').data('easyPieChart').update(67);
    }, 14000);
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    }, 36000);
    setTimeout(function () {
      $('.chart4').data('easyPieChart').update(66);
    }, 41000);
  });

  $(function () {
    //create instance
    $('.chart5').easyPieChart({
      animate: 3000,
      barColor: '#1e825e',
      trackColor: '#dddddd',
      scaleColor: '#1e825e',
      size: 160,
      lineWidth: 7,
    });
    //update instance after 5 sec
    setTimeout(function () {
      $('.chart5').data('easyPieChart').update(30);
    }, 9000);
    setTimeout(function () {
      $('.chart5').data('easyPieChart').update(87);
    }, 19000);
    setTimeout(function () {
      $('.chart5').data('easyPieChart').update(28);
    }, 27000);
    setTimeout(function () {
      $('.chart5').data('easyPieChart').update(69);
    }, 39000);
    setTimeout(function () {
      $('.chart5').data('easyPieChart').update(99);
    }, 47000);
  });

}

$(document).ready(
  pieChartHome()
);
</script>