FEATURE: always show highest trust level badge in card

FEATURE: fa-user icon for trust level badges

app/models/badge.rb

@@ -252,6 +252,10 @@ SQL
     !self.multiple_grant?
   end
 
+  def default_icon=(val)
+    self.icon ||= val
+  end
+
   def default_name=(val)
     self.name ||= val
   end

app/models/user.rb

@@ -511,6 +511,9 @@ class User < ActiveRecord::Base
   def featured_user_badges
     user_badges
         .joins(:badge)
+        .order("CASE WHEN badges.id = (SELECT MAX(ub2.badge_id) FROM user_badges ub2
+                              WHERE ub2.badge_id IN (#{Badge.trust_level_badge_ids.join(",")}) AND
+                                    ub2.user_id = #{self.id}) THEN 1 ELSE 0 END DESC")
         .order('badges.badge_type_id ASC, badges.grant_count ASC')
         .includes(:user, :granted_by, badge: :badge_type)
         .where("user_badges.id in (select min(u2.id)

db/fixtures/006_badges.rb

@@ -56,6 +56,7 @@ trust_level_badges.each do |spec|
 
     # allow title for tl3 and above
     b.default_allow_title = spec[:id] > 2
+    b.default_icon = "fa-user"
     b.system = true
   end
 end