added notification_count

app/helpers/application_helper.rb

@@ -47,6 +47,14 @@ module ApplicationHelper
     count.count
   end
 
+  def notification_count
+    return 0 unless user_signed_in?
+    count = Notification.for(current_user).where(new: true)
+    return nil if count.nil?
+    return nil unless count.count > 0
+    count.count
+  end
+
   def privileged?(user)
     (current_user && (current_user == user || current_user.admin?)) ? true : false
   end

app/views/layouts/_notifications.html.haml

@@ -1 +1 @@
-= nav_entry "Notifications", "/notifications/index"
+= nav_entry "Notifications", "/notifications/index", badge: notification_count

app/views/notifications/index.html.haml

@@ -60,3 +60,4 @@
                     ago
                   .notification--icon
                     %i.fa.fa-comments
+- Notification.for(current_user).update_all(new: false)