class Ability
  include CanCan::Ability

  def initialize(user)
    user ||= Employee.new

    if user.role? :administrator

        can :manage, :all

    elsif user.role? :cashier
      can :read, Order
      can :update, Order
      can :completed_order_item, Order 
      
      can :read, Sale  
      can :update, Sale      
      
                                               
    elsif user.role? :accountant

      can :read, Order
      can :update, Order
      can :completed_order_item, Order

      can :read, Sale
      can :update, Sale
      can :manual_complete_sale, Sale      

    end

  end
end