module ExpenseGun
  class Ability
    include CanCan::Ability

    def initialize(user)
      can :list,   Expense
      can :create, Expense
      can :show,   Expense
      
      can :edit, Expense do |expense|
        expense.may_edit?
      end
      can :submit, Expense do |expense|
        expense.may_submit?
      end
      
      can :accept, Expense do |expense|
        expense.may_accept?
      end
      
      can :refuse, Expense do |expense|
        expense.may_refuse?
      end
      
      can :cancel, Expense do |expense|
        expense.may_cancel?
      end
    end
  end
end