unmark_returned.rb

module Zipmark
  module Actions
    module Deposits
      class UnmarkReturned
        include Virtus.model
        include ActiveModel::Validations

        attribute :id,      String
        attribute :dry_run, Boolean

        validates :id, presence: true
        validate  :deposit_must_be_marked_returned

        def perform!
          if valid?
            ActiveRecord::Base.transaction do
              # Isolate the associated return and ledger item
              _return = deposit.deposit_return
              item    = deposit.ledger_item

              # Destroy the associated return and ledger item
              _return.destroy
              item.destroy

              # restore the status of the deposit to `settled`
              deposit.update_column(:status, "settled")

              # if dry_run, revert
              raise ActiveRecord::Rollback if dry_run?
            end
          else
            raise errors.full_messages.to_sentence
          end
        end

        private

        def deposit
          @deposit ||= (Deposit.find_by_id(id) || Disbursement.find_by_id(id))
        end

        def deposit_must_be_marked_returned
          unless deposit.returned?
            errors.add(:base, "Cannot un-return a deposit that has not yet been marked as returned")
          end
        end
      end
    end
  end
end