Update Voucher

internal/services/v2/order/execute_order.go

@@ -7,6 +7,7 @@ import (
 	"enaklo-pos-be/internal/entity"
 	"fmt"
 	"go.uber.org/zap"
+	"time"
 )
 
 func (s *orderSvc) ExecuteOrderInquiry(ctx mycontext.Context,
@@ -52,13 +53,12 @@ func (s *orderSvc) processPostOrderActions(
 	}
 
 	if order.CustomerID != nil && *order.CustomerID > 0 {
-		err = s.addCustomerPoints(ctx, *order.CustomerID, int(order.Total/50000), fmt.Sprintf("TRX #%s", trx.ID))
+		err = s.addCustomerVouchers(ctx, *order.CustomerID, int64(order.Total), trx.OrderID)
 		if err != nil {
 			logger.ContextLogger(ctx).Error("error when adding points", zap.Error(err))
 		}
 	}
 
-	s.sendTransactionReceipt(ctx, order, trx, "CASH")
 	return nil
 }
 
@@ -79,8 +79,64 @@ func (s *orderSvc) createTransaction(ctx mycontext.Context, order *entity.Order,
 	return transaction, err
 }
 
-func (s *orderSvc) addCustomerPoints(ctx mycontext.Context, customerID int64, points int, reference string) error {
-	return s.customer.AddPoints(ctx, customerID, points, reference)
+func (s *orderSvc) addCustomerVouchers(ctx mycontext.Context, customerID int64, total int64, reference int64) error {
+	undians, err := s.voucherUndianRepo.GetActiveUndianEvents(ctx)
+	if err != nil {
+		return err
+	}
+
+	eligibleVoucher := []*entity.UndianVoucherDB{}
+	totalVouchersNeeded := 0
+
+	for _, v := range undians {
+		if total >= int64(v.MinimumPurchase) {
+			voucherCount := int(total / int64(v.MinimumPurchase))
+			totalVouchersNeeded += voucherCount
+		}
+	}
+
+	if totalVouchersNeeded == 0 {
+		return nil
+	}
+
+	startSequence, err := s.voucherUndianRepo.GetNextVoucherSequenceBatch(ctx, totalVouchersNeeded)
+	if err != nil {
+		return err
+	}
+
+	currentSequence := startSequence
+
+	for _, v := range undians {
+		if total >= int64(v.MinimumPurchase) {
+			voucherCount := int(total / int64(v.MinimumPurchase))
+
+			for i := 0; i < voucherCount; i++ {
+				voucherCode := s.generateVoucherCode(v.ID, reference, currentSequence)
+
+				voucher := &entity.UndianVoucherDB{
+					UndianEventID: v.ID,
+					CustomerID:    customerID,
+					VoucherCode:   voucherCode,
+					VoucherNumber: &i,
+					IsWinner:      false,
+					CreatedAt:     time.Now(),
+				}
+
+				eligibleVoucher = append(eligibleVoucher, voucher)
+				currentSequence++
+			}
+		}
+	}
+
+	return s.voucherUndianRepo.CreateUndianVouchers(ctx, eligibleVoucher)
+}
+
+func (s *orderSvc) generateVoucherCode(eventID int64, reference int64, sequence int64) string {
+	eventPart := eventID % 100        // Last 2 digits of event ID
+	sequencePart := sequence % 100000 // Last 5 digits of sequence
+	orderPart := reference % 1000     // Last 3 digits of order ID
+
+	return fmt.Sprintf("%02d%05d%03d", eventPart, sequencePart, orderPart)
 }
 
 func (s *orderSvc) sendTransactionReceipt(ctx mycontext.Context, order *entity.Order, transaction *entity.Transaction, paymentMethod string) error {