Implements Contacts

app/models/contact.rb

@@ -0,0 +1,8 @@
+class Contact < ActiveRecord::Base
+  attr_accessible :conference, :social_tag, :email, :facebook, :googleplus, :twitter, :instagram, :public
+  belongs_to :conference
+
+  validates :conference, presence: true
+  # Conferences only have one contact
+  validates :conference_id, :uniqueness => {:message => "has already contact details"}
+end