POS-Server/app/models/credit.rb

class Credit < ActiveRecord::Base
  belongs_to :customer
  belongs_to :pointsale
  belongs_to :sale

  has_many :credit_payments
  has_many :cash_registers_moves, :through => :credit_payments

  enum status: [ :active, :cancelled, :expired ]

	scope :debtors, -> { where( "rest > 0").group(:customer_id).sum(:rest) }

	scope :activos, -> { where( "status != 1") }
end