Use compare method from engine to sort grades

app/views/statistics/index.html.erb

@@ -36,7 +36,6 @@
          aria-labelledby="nav-<%= service %>-pill">
       <h2>Grades for service <%= service.to_s.upcase %></h2>
 
-
       <%
         grades = Stat["grades_for_#{service}"]
         total = grades.data.collect { _2 }.sum
@@ -54,10 +53,12 @@
         </tr>
         </thead>
         <tbody>
-        <% grades.data.sort_by(&:first).each do |grade, number|
-          unless %w(T V).include?(grade)
-            percent = (number.to_f / total.to_f) * 100.0
-            color = colors[grade] %>
+        <% sorted_grades = grades.data.keys.sort &CryptCheck::Grade.method(:compare)
+           sorted_grades.each do |grade|
+             unless %w(T V).include?(grade)
+               number = grades.data[grade].to_i
+               percent = (number.to_f / total.to_f) * 100.0
+               color = CryptCheck::Grade::GRADE_STATUS.fetch grade.to_sym %>
             <tr>
               <td><%= grade %></td>
               <td><%= percent.round %>%</td>
@@ -94,9 +95,11 @@
         </tr>
         </thead>
         <tbody>
-        <% ciphers.data.sort_by(&:first).each do |grade, number|
-          percent = (number.to_f / total.to_f) * 100.0
-          color = colors[grade]
+        <% sorted_grades = ciphers.data.keys.sort &CryptCheck::Grade.method(:compare)
+           sorted_grades.each do |grade|
+             number = ciphers.data[grade]
+             percent = (number.to_f / total.to_f) * 100.0
+             color = colors[grade]
         %>
           <tr>
             <td><%= grade.capitalize %></td>
@@ -133,7 +136,9 @@
         </thead>
         <tbody>
         <%
-          tls.data.sort_by(&:first).each do |grade, number|
+          sorted_grades = tls.data.keys.sort &CryptCheck::Grade.method(:compare)
+          sorted_grades.each do |grade|
+            number = tls.data[grade]
             percent = (number.to_f / total.to_f) * 100.0
             color = colors[grade]
         %>