Use ActiveJob to send comment mails

app/jobs/event_comment_mail_job.rb

@@ -0,0 +1,11 @@
+class EventCommentMailJob < ActiveJob::Base
+  queue_as :default
+
+  def perform(comment)
+    conference = comment.commentable.program.conference
+
+    User.comment_notifiable(conference).each do |user|
+      Mailbot.event_comment_mail(comment, user).deliver_now
+    end
+  end
+end

app/mailers/mailbot.rb

@@ -1,4 +1,5 @@
 class Mailbot < ActionMailer::Base
+
   def registration_mail(conference, user)
     mail(to: user.email,
          from: conference.contact.email,
@@ -81,19 +82,15 @@ class Mailbot < ActionMailer::Base
                                                                         conference.email_settings.cfp_dates_updated_body))
   end
 
-  def send_notification_email_for_comment(comment)
+  def event_comment_mail(comment, user)
     @comment = comment
     @event = @comment.commentable
     @conference = @event.program.conference
-    recipients = User.comment_notifiable(@conference) # with scope
-    recipients.each do |user|
-      @user = user
-      mail(to: @user.email,
-           from: @conference.contact.email,
-           reply_to: @conference.contact.email,
-           template_path: 'admin/emails',
-           template_name: 'comment_template',
-           subject: "New comment has been posted for #{@event.title}")
-    end
+    @user = user
+
+    mail(to: @user.email,
+         from: @conference.contact.email,
+         template_name: 'comment_template',
+         subject: "New comment has been posted for #{@event.title}")
   end
 end

app/models/comment.rb

@@ -56,6 +56,6 @@ class Comment < ActiveRecord::Base
   private
 
   def send_notification
-    Mailbot.send_notification_email_for_comment(self).deliver_later
+    EventCommentMailJob.perform_later(self)
   end
 end