mentioning

app/models/comment.rb

@@ -1,6 +1,7 @@
 class Comment < ActiveRecord::Base
 
   include MailerHelper
+  include UsersHelper
 
   belongs_to :user_author, class_name: "User", foreign_key: "user_author_id"
   belongs_to :user_editor, class_name: "User", foreign_key: "user_editor_id"
@@ -49,7 +50,23 @@ class Comment < ActiveRecord::Base
         mails << RedstonerMailer.new_post_comment_mail(User.find(uid), self)
       rescue => e
         Rails.logger.error "---"
-        Rails.logger.error "WARNING: Failed to create thread_reply mail (view) for reply#: #{@self.id}, user: #{@user.name}, #{@user.email}"
+        Rails.logger.error "WARNING: Failed to create post_reply mail (view) for reply#: #{@self.id}, user: #{@user.name}, #{@user.email}"
+        Rails.logger.error e.message
+        Rails.logger.error "---"
+      end
+    end
+    background_mailer(mails)
+  end
+
+  def send_new_mention_mail(old_content = "")
+    new_mentions = mentions(content) - mentions(old_content)
+    mails = []
+    new_mentions.each do |user|
+      begin
+        mails << RedstonerMailer.new_post_comment_mention_mail(user, self)
+      rescue => e
+        Rails.logger.error "---"
+        Rails.logger.error "WARNING: Failed to create new_post_comment_mention_mail (view) for reply#: #{@self.id}, user: #{@user.name}, #{@user.email}"
         Rails.logger.error e.message
         Rails.logger.error "---"
       end