Issue#15: Added Comment Notifications: notification_emails and comments view

app/models/user.rb

@@ -11,6 +11,9 @@ class User < ActiveRecord::Base
 
   before_create :setup_role
 
+  # add scope
+  scope :comment_notifiable, ->(conference) {joins(:roles).where('roles.name IN (?)', [:organizer, :cfp]).where('roles.resource_id = ?', conference.id)}
+
   # Include default devise modules. Others available are:
   # :token_authenticatable, :confirmable,
   # :lockable, :timeoutable and :omniauthable