public virtual async Task NotifyRecipient(GiftVoucher giftVoucher, GiftVoucherModel model)
        {
            model = giftVoucher.ToModel(_dateTimeService);
            var order = await FillGiftVoucherModel(giftVoucher, model);

            var languageId = "";

            if (order != null)
            {
                var customerLang = await _languageService.GetLanguageById(order.CustomerLanguageId);

                if (customerLang == null)
                {
                    customerLang = (await _languageService.GetAllLanguages()).FirstOrDefault();
                }
                if (customerLang != null)
                {
                    languageId = customerLang.Id;
                }
            }
            else
            {
                languageId = _languageSettings.DefaultAdminLanguageId;
            }
            int queuedEmailId = await _messageProviderService.SendGiftVoucherMessage(giftVoucher, order, languageId);

            if (queuedEmailId > 0)
            {
                giftVoucher.IsRecipientNotified = true;
                await _giftVoucherService.UpdateGiftVoucher(giftVoucher);

                model.IsRecipientNotified = true;
            }
        }
        public async Task <bool> Handle(ActivatedValueForPurchasedGiftVouchersCommand request, CancellationToken cancellationToken)
        {
            if (request.Order == null)
            {
                throw new ArgumentNullException(nameof(request.Order));
            }

            foreach (var orderItem in request.Order.OrderItems)
            {
                var giftVouchers = await _giftVoucherService.GetAllGiftVouchers(purchasedWithOrderItemId : orderItem.Id,
                                                                                isGiftVoucherActivated : !request.Activate);

                foreach (var gc in giftVouchers)
                {
                    if (request.Activate)
                    {
                        //activate
                        bool isRecipientNotified = gc.IsRecipientNotified;
                        if (gc.GiftVoucherTypeId == GiftVoucherType.Virtual)
                        {
                            //send email for virtual gift voucher
                            if (!String.IsNullOrEmpty(gc.RecipientEmail) &&
                                !String.IsNullOrEmpty(gc.SenderEmail))
                            {
                                var customerLang = await _languageService.GetLanguageById(request.Order.CustomerLanguageId);

                                if (customerLang == null)
                                {
                                    customerLang = (await _languageService.GetAllLanguages()).FirstOrDefault();
                                }
                                if (customerLang == null)
                                {
                                    throw new Exception("No languages could be loaded");
                                }
                                int queuedEmailId = await _messageProviderService.SendGiftVoucherMessage(gc, request.Order, customerLang.Id);

                                if (queuedEmailId > 0)
                                {
                                    isRecipientNotified = true;
                                }
                            }
                        }
                        gc.IsGiftVoucherActivated = true;
                        gc.IsRecipientNotified    = isRecipientNotified;
                        await _giftVoucherService.UpdateGiftVoucher(gc);
                    }
                    else
                    {
                        //deactivate
                        gc.IsGiftVoucherActivated = false;
                        await _giftVoucherService.UpdateGiftVoucher(gc);
                    }
                }
            }

            return(true);
        }