"smiled your answer"

app/models/notifications/smiled.rb

@@ -0,0 +1,2 @@
+class Notifications::Smiled < Notification
+end

app/models/smile.rb

@@ -3,4 +3,8 @@ class Smile < ActiveRecord::Base
   belongs_to :answer
   validates :user_id, presence: true
   validates :answer_id, presence: true
+
+  def notification_type(*_args)
+    Notifications::Smiled
+  end
 end

app/models/user.rb

@@ -81,7 +81,8 @@ class User < ActiveRecord::Base
   # smiles an answer
   # @param answer [Answer] the answer to smile
   def smile(answer)
-    Smile.create(user: self, answer: answer)
+    smile = Smile.create(user: self, answer: answer)
+    Notification.notify answer.user, smile unless answer.user == self
     increment! :smiled_count
     answer.increment! :smile_count
   end

app/views/notifications/index.html.haml

@@ -27,20 +27,23 @@
                   %h6.media-heading.notification--user
                     = user_screen_name notification.target.source
                   %p.notification--text
-                    followed you!
+                    followed you
+                    = time_ago_in_words notification.target.created_at
+                    ago
                   .notification--icon
                     %i.fa.fa-users
-      %li.list-group-item
-        .media
+              - when "Smile"
                 .pull-left
-            %img.notification--img
+                  %img.notification--img{src: gravatar_url(notification.target.user)}
                 .media-body
                   %h6.media-heading.notification--user
-              username
+                    = user_screen_name notification.target.user
                   %p.notification--text
                     smiled at
-              %a your answer
-              some time ago!
+                    %a{href: show_user_answer_path(username: notification.target.user.screen_name, id: notification.target.answer.id)}
+                      your answer
+                    = time_ago_in_words notification.target.created_at
+                    ago
                   .notification--icon
                     %i.fa.fa-smile-o
       %li.list-group-item