class User

 	include Mongoid::Document
 

 	field :jids, type: Array
 
     def update_pass(jid, pass)
         account_credentials = jids.detect do |f|
             f[:jid] == jid || f["jid"] == jid
         end
 
         account_credentials[:pass] = pass
         save
     end
 
     def self.existing_jid(jid)
         where("jids.jid" => jid).only(:jids).first
     end
 
     def self.create_jid(jid)
         new_user = new(jids: [ {jid: jid} ])
         new_user.save
         new_user
     end
 
     def add_account(another_jid, password)
         jids << {jid: another_jid, pass: password}
         save
     end

 end