create a new activity when a comment is created.

1 files changed, 8 insertions, 0 deletions

diff --git a/app/models/comment.rb b/app/models/comment.rb
index 05cf9954..72b4dc5c 100644
--- a/app/models/comment.rb
+++ b/app/models/comment.rb
@@ -1,4 +1,12 @@
 class Comment < ActiveRecord::Base
   belongs_to :user
   belongs_to :creation
+  has_many :activities, as: :subject
+  after_create :create_activity
+
+  private
+
+  def create_activity
+    Activity.create(user: user, subject: self)
+  end
 end