[FIX/BE] adjustment response

internal/modules/repports/services/repport.service.go

@@ -642,8 +642,8 @@ func (s *repportService) GetPurchaseSupplier(c *fiber.Ctx, params *validation.Pu
 }
 
 func (s *repportService) GetDebtSupplier(c *fiber.Ctx, params *validation.DebtSupplierQuery) ([]dto.DebtSupplierDTO, int64, error) {
-	if params.FilterBy == "" {
-		params.FilterBy = "do_date"
+	if params.FilterBy == "" || strings.EqualFold(strings.TrimSpace(params.FilterBy), "do_date") {
+		params.FilterBy = "received_date"
 	}
 
 	if err := s.Validate.Struct(params); err != nil {
@@ -675,6 +675,11 @@ func (s *repportService) GetDebtSupplier(c *fiber.Ctx, params *validation.DebtSu
 		return nil, 0, err
 	}
 
+	payments, err := s.DebtSupplierRepo.GetPaymentsBySuppliers(c.Context(), supplierIDs, params)
+	if err != nil {
+		return nil, 0, err
+	}
+
 	purchasesBySupplier := make(map[uint][]entity.Purchase, len(supplierIDs))
 	references := make([]string, 0)
 	seenRefs := make(map[string]struct{})
@@ -697,6 +702,21 @@ func (s *repportService) GetDebtSupplier(c *fiber.Ctx, params *validation.DebtSu
 		return nil, 0, err
 	}
 
+	paymentsBySupplier := make(map[uint][]entity.Payment, len(supplierIDs))
+	for _, payment := range payments {
+		paymentsBySupplier[payment.PartyId] = append(paymentsBySupplier[payment.PartyId], payment)
+	}
+
+	initialPurchaseTotals, err := s.DebtSupplierRepo.GetPurchaseTotalsBeforeDate(c.Context(), supplierIDs, params)
+	if err != nil {
+		return nil, 0, err
+	}
+
+	initialPaymentTotals, err := s.DebtSupplierRepo.GetPaymentTotalsBeforeDate(c.Context(), supplierIDs, params)
+	if err != nil {
+		return nil, 0, err
+	}
+
 	location, err := time.LoadLocation("Asia/Jakarta")
 	if err != nil {
 		return nil, 0, fiber.NewError(fiber.StatusInternalServerError, "failed to load timezone configuration")
@@ -710,29 +730,81 @@ func (s *repportService) GetDebtSupplier(c *fiber.Ctx, params *validation.DebtSu
 			continue
 		}
 
+		initialBalance := initialPaymentTotals[supplierID] - initialPurchaseTotals[supplierID]
+
 		items := purchasesBySupplier[supplierID]
-		rows := make([]dto.DebtSupplierRowDTO, 0, len(items))
+		paymentItems := paymentsBySupplier[supplierID]
+		rows := make([]dto.DebtSupplierRowDTO, 0, len(items)+len(paymentItems))
 		total := dto.DebtSupplierTotalDTO{}
 
+		type debtSupplierRowItem struct {
+			Row          dto.DebtSupplierRowDTO
+			SortTime     time.Time
+			Order        int
+			DeltaBalance float64
+			CountTotals  bool
+		}
+
+		combinedRows := make([]debtSupplierRowItem, 0, len(items)+len(paymentItems))
 		for _, purchase := range items {
 			row := buildDebtSupplierRow(purchase, paymentTotals, now, location)
-			rows = append(rows, row)
+			sortTime := resolveDebtSupplierSortTime(purchase, params.FilterBy, location)
+			combinedRows = append(combinedRows, debtSupplierRowItem{
+				Row:          row,
+				SortTime:     sortTime,
+				Order:        0,
+				DeltaBalance: -row.TotalPrice,
+				CountTotals:  true,
+			})
+		}
 
-			if row.Aging > total.Aging {
-				total.Aging = row.Aging
+		for _, payment := range paymentItems {
+			row := buildDebtSupplierPaymentRow(payment, location)
+			sortTime := payment.PaymentDate.In(location)
+			combinedRows = append(combinedRows, debtSupplierRowItem{
+				Row:          row,
+				SortTime:     sortTime,
+				Order:        1,
+				DeltaBalance: payment.Nominal,
+				CountTotals:  false,
+			})
+		}
+
+		sort.SliceStable(combinedRows, func(i, j int) bool {
+			if combinedRows[i].SortTime.Equal(combinedRows[j].SortTime) {
+				return combinedRows[i].Order < combinedRows[j].Order
+			}
+			return combinedRows[i].SortTime.Before(combinedRows[j].SortTime)
+		})
+
+		balance := initialBalance
+		for i := range combinedRows {
+			balance += combinedRows[i].DeltaBalance
+			combinedRows[i].Row.Balance = balance
+
+			if combinedRows[i].CountTotals {
+				row := combinedRows[i].Row
+				if row.Aging > total.Aging {
+					total.Aging = row.Aging
+				}
+				total.TotalPrice += row.TotalPrice
+				total.PaymentPrice += row.PaymentPrice
+				total.DebtPrice += row.DebtPrice
+			} else {
+				combinedRows[i].Row.DebtPrice = balance
 			}
-			total.TotalPrice += row.TotalPrice
-			total.PaymentPrice += row.PaymentPrice
-			total.DebtPrice += row.DebtPrice
 		}
 
 		sortDesc := strings.EqualFold(params.SortOrder, "desc")
-		sort.SliceStable(rows, func(i, j int) bool {
-			if sortDesc {
-				return rows[i].PrDate > rows[j].PrDate
+		if sortDesc {
+			for i := len(combinedRows) - 1; i >= 0; i-- {
+				rows = append(rows, combinedRows[i].Row)
 			}
-			return rows[i].PrDate < rows[j].PrDate
-		})
+		} else {
+			for i := range combinedRows {
+				rows = append(rows, combinedRows[i].Row)
+			}
+		}
 
 		var supplierDTORef *supplierDTO.SupplierRelationDTO
 		if supplier.Id != 0 {
@@ -741,9 +813,10 @@ func (s *repportService) GetDebtSupplier(c *fiber.Ctx, params *validation.DebtSu
 		}
 
 		result = append(result, dto.DebtSupplierDTO{
-			Supplier: supplierDTORef,
-			Rows:     rows,
-			Total:    total,
+			Supplier:       supplierDTORef,
+			InitialBalance: initialBalance,
+			Rows:           rows,
+			Total:          total,
 		})
 	}
 
@@ -769,6 +842,7 @@ func buildDebtSupplierRow(purchase entity.Purchase, paymentTotals map[string]flo
 
 	totalPrice := 0.0
 	travelNumber := "-"
+	receivedDate := ""
 	var area *areaDTO.AreaRelationDTO
 	var warehouse *warehouseDTO.WarehouseRelationDTO
 
@@ -787,8 +861,19 @@ func buildDebtSupplierRow(purchase entity.Purchase, paymentTotals map[string]flo
 			}
 		}
 
+		earliestReceived := time.Time{}
 		for _, item := range purchase.Items {
 			totalPrice += item.TotalPrice
+			if item.ReceivedDate == nil || item.ReceivedDate.IsZero() {
+				continue
+			}
+			received := item.ReceivedDate.In(loc)
+			if earliestReceived.IsZero() || received.Before(earliestReceived) {
+				earliestReceived = received
+			}
+		}
+		if !earliestReceived.IsZero() {
+			receivedDate = earliestReceived.Format("2006-01-02")
 		}
 	}
 
@@ -820,8 +905,8 @@ func buildDebtSupplierRow(purchase entity.Purchase, paymentTotals map[string]flo
 	return dto.DebtSupplierRowDTO{
 		PrNumber:     prNumber,
 		PoNumber:     poNumber,
-		PrDate:       prDate.Format("2006-01-02"),
 		PoDate:       poDate,
+		ReceivedDate: receivedDate,
 		Aging:        aging,
 		Area:         area,
 		Warehouse:    warehouse,
@@ -835,6 +920,62 @@ func buildDebtSupplierRow(purchase entity.Purchase, paymentTotals map[string]flo
 	}
 }
 
+func buildDebtSupplierPaymentRow(payment entity.Payment, loc *time.Location) dto.DebtSupplierRowDTO {
+	referenceNumber := ""
+	if payment.ReferenceNumber != nil {
+		referenceNumber = *payment.ReferenceNumber
+	}
+
+	prNumber := payment.PaymentCode
+	if strings.TrimSpace(prNumber) == "" {
+		prNumber = referenceNumber
+	}
+
+	return dto.DebtSupplierRowDTO{
+		PrNumber:     prNumber,
+		PoNumber:     referenceNumber,
+		PoDate:       "-",
+		ReceivedDate: payment.PaymentDate.In(loc).Format("2006-01-02"),
+		Aging:        0,
+		Area:         nil,
+		Warehouse:    nil,
+		DueDate:      "-",
+		DueStatus:    "-",
+		TotalPrice:   0,
+		PaymentPrice: payment.Nominal,
+		DebtPrice:    0,
+		Status:       "Pembayaran",
+		TravelNumber: "-",
+	}
+}
+
+func resolveDebtSupplierSortTime(purchase entity.Purchase, filterBy string, loc *time.Location) time.Time {
+	switch strings.ToLower(strings.TrimSpace(filterBy)) {
+	case "po_date":
+		if purchase.PoDate != nil && !purchase.PoDate.IsZero() {
+			return purchase.PoDate.In(loc)
+		}
+	case "pr_date":
+		return purchase.CreatedAt.In(loc)
+	default:
+		earliest := time.Time{}
+		for _, item := range purchase.Items {
+			if item.ReceivedDate == nil || item.ReceivedDate.IsZero() {
+				continue
+			}
+			received := item.ReceivedDate.In(loc)
+			if earliest.IsZero() || received.Before(earliest) {
+				earliest = received
+			}
+		}
+		if !earliest.IsZero() {
+			return earliest
+		}
+	}
+
+	return purchase.CreatedAt.In(loc)
+}
+
 func (s *repportService) GetHppPerKandang(ctx *fiber.Ctx) (*dto.HppPerKandangResponseData, *dto.HppPerKandangMetaDTO, error) {
 	params, filters, err := s.parseHppPerKandangQuery(ctx)
 	if err != nil {