Fixes #2694: hide "revert all" when user has over 1000 post changes

app/logical/user_revert.rb

@@ -25,4 +25,8 @@ class UserRevert
       x.undo!
     end
   end
+
+  def self.can_revert?(user)
+    user.post_update_count <= THRESHOLD
+  end
 end

app/views/users/_statistics.html.erb

@@ -58,7 +58,7 @@
         <th>Post Changes</th>
         <td>
           <%= presenter.post_version_count(self) %>
-          <% if CurrentUser.is_janitor? %>
+          <% if CurrentUser.is_moderator? && UserRevert.can_revert?(user)%>
             [<%= link_to "revert all", new_user_revert_path(user_id: user.id) %>]
           <% end %>
         </td>