Merge branch 'feat/BE/Rekapitulasi-hutang-supplier' into 'development'

[FIX/BE] adjustment response See merge request mbugroup/lti-api!162
2026-05-20 13:31:56 +00:00 · 2026-01-13 01:55:59 +00:00
parent 9f28294dc3 f37bf4d22d
commit f7b70d4b14
4 changed files with 277 additions and 25 deletions
@@ -9,8 +9,8 @@ import (
 type DebtSupplierRowDTO struct {
 	PrNumber     string                             `json:"pr_number"`
 	PoNumber     string                             `json:"po_number"`
-	PrDate       string                             `json:"pr_date"`
 	PoDate       string                             `json:"po_date"`
+	ReceivedDate string                             `json:"received_date"`
 	Aging        int                                `json:"aging"`
 	Area         *areaDTO.AreaRelationDTO           `json:"area,omitempty"`
 	Warehouse    *warehouseDTO.WarehouseRelationDTO `json:"warehouse,omitempty"`
@@ -21,6 +21,7 @@ type DebtSupplierRowDTO struct {
 	DebtPrice    float64                            `json:"debt_price"`
 	Status       string                             `json:"status"`
 	TravelNumber string                             `json:"travel_number"`
+	Balance      float64                            `json:"balance"`
 }

 type DebtSupplierTotalDTO struct {
@@ -31,7 +32,8 @@ type DebtSupplierTotalDTO struct {
 }

 type DebtSupplierDTO struct {
-	Supplier *supplierDTO.SupplierRelationDTO `json:"supplier"`
-	Rows     []DebtSupplierRowDTO             `json:"rows"`
-	Total    DebtSupplierTotalDTO             `json:"total"`
+	Supplier       *supplierDTO.SupplierRelationDTO `json:"supplier"`
+	InitialBalance float64                          `json:"initial_balance"`
+	Rows           []DebtSupplierRowDTO             `json:"rows"`
+	Total          DebtSupplierTotalDTO             `json:"total"`
 }
@@ -15,7 +15,10 @@ import (
 type DebtSupplierRepository interface {
 	GetSuppliersWithPurchases(ctx context.Context, offset, limit int, filters *validation.DebtSupplierQuery) ([]entity.Supplier, int64, error)
 	GetPurchasesBySuppliers(ctx context.Context, supplierIDs []uint, filters *validation.DebtSupplierQuery) ([]entity.Purchase, error)
+	GetPaymentsBySuppliers(ctx context.Context, supplierIDs []uint, filters *validation.DebtSupplierQuery) ([]entity.Payment, error)
 	GetPaymentTotalsByReferences(ctx context.Context, supplierIDs []uint, references []string) (map[string]float64, error)
+	GetPurchaseTotalsBeforeDate(ctx context.Context, supplierIDs []uint, filters *validation.DebtSupplierQuery) (map[uint]float64, error)
+	GetPaymentTotalsBeforeDate(ctx context.Context, supplierIDs []uint, filters *validation.DebtSupplierQuery) (map[uint]float64, error)
 }

 type debtSupplierRepositoryImpl struct {
@@ -28,10 +31,10 @@ func NewDebtSupplierRepository(db *gorm.DB) DebtSupplierRepository {

 func resolveDebtSupplierDateColumn(filterBy string) string {
 	switch strings.ToLower(strings.TrimSpace(filterBy)) {
+	case "receive_date":
+		return "purchases.receive_date"
 	case "po_date":
 		return "purchases.po_date"
-	case "pr_date":
-		return "purchases.created_at"
 	case "do_date", "received_date", "":
 		return "purchase_items.received_date"
 	default:
@@ -157,6 +160,39 @@ func (r *debtSupplierRepositoryImpl) GetPurchasesBySuppliers(ctx context.Context
 	return purchases, nil
 }

+func (r *debtSupplierRepositoryImpl) GetPaymentsBySuppliers(ctx context.Context, supplierIDs []uint, filters *validation.DebtSupplierQuery) ([]entity.Payment, error) {
+	if len(supplierIDs) == 0 {
+		return []entity.Payment{}, nil
+	}
+
+	db := r.db.WithContext(ctx).
+		Model(&entity.Payment{}).
+		Where("party_type = ?", string(utils.PaymentPartySupplier)).
+		Where("direction = ?", "OUT").
+		Where("party_id IN ?", supplierIDs)
+
+	if strings.TrimSpace(filters.StartDate) != "" {
+		if dateFrom, err := utils.ParseDateString(filters.StartDate); err == nil {
+			db = db.Where("DATE(payment_date) >= ?", dateFrom)
+		}
+	}
+
+	if strings.TrimSpace(filters.EndDate) != "" {
+		if dateTo, err := utils.ParseDateString(filters.EndDate); err == nil {
+			db = db.Where("DATE(payment_date) <= ?", dateTo)
+		}
+	}
+
+	var payments []entity.Payment
+	if err := db.
+		Order("payment_date ASC, id ASC").
+		Find(&payments).Error; err != nil {
+		return nil, err
+	}
+
+	return payments, nil
+}
+
 func (r *debtSupplierRepositoryImpl) getPurchaseIDs(ctx context.Context, supplierIDs []uint, filters *validation.DebtSupplierQuery) ([]uint, error) {
 	dateColumn := resolveDebtSupplierDateColumn(filters.FilterBy)

@@ -219,3 +255,76 @@ func (r *debtSupplierRepositoryImpl) GetPaymentTotalsByReferences(ctx context.Co

 	return result, nil
 }
+
+func (r *debtSupplierRepositoryImpl) GetPurchaseTotalsBeforeDate(ctx context.Context, supplierIDs []uint, filters *validation.DebtSupplierQuery) (map[uint]float64, error) {
+	if len(supplierIDs) == 0 || strings.TrimSpace(filters.StartDate) == "" {
+		return map[uint]float64{}, nil
+	}
+
+	dateFrom, err := utils.ParseDateString(filters.StartDate)
+	if err != nil {
+		return map[uint]float64{}, nil
+	}
+
+	dateColumn := resolveDebtSupplierDateColumn(filters.FilterBy)
+
+	type purchaseTotalRow struct {
+		SupplierID uint    `gorm:"column:supplier_id"`
+		Total      float64 `gorm:"column:total"`
+	}
+
+	rows := make([]purchaseTotalRow, 0)
+	if err := r.db.WithContext(ctx).
+		Table("purchases").
+		Select("purchases.supplier_id AS supplier_id, SUM(purchase_items.total_price) AS total").
+		Joins("JOIN purchase_items ON purchase_items.purchase_id = purchases.id").
+		Where("purchases.supplier_id IN ?", supplierIDs).
+		Where(fmt.Sprintf("DATE(%s) < ?", dateColumn), dateFrom).
+		Group("purchases.supplier_id").
+		Scan(&rows).Error; err != nil {
+		return nil, err
+	}
+
+	result := make(map[uint]float64, len(rows))
+	for _, row := range rows {
+		result[row.SupplierID] = row.Total
+	}
+
+	return result, nil
+}
+
+func (r *debtSupplierRepositoryImpl) GetPaymentTotalsBeforeDate(ctx context.Context, supplierIDs []uint, filters *validation.DebtSupplierQuery) (map[uint]float64, error) {
+	if len(supplierIDs) == 0 || strings.TrimSpace(filters.StartDate) == "" {
+		return map[uint]float64{}, nil
+	}
+
+	dateFrom, err := utils.ParseDateString(filters.StartDate)
+	if err != nil {
+		return map[uint]float64{}, nil
+	}
+
+	type paymentTotalRow struct {
+		SupplierID uint    `gorm:"column:supplier_id"`
+		Total      float64 `gorm:"column:total"`
+	}
+
+	rows := make([]paymentTotalRow, 0)
+	if err := r.db.WithContext(ctx).
+		Model(&entity.Payment{}).
+		Select("party_id AS supplier_id, SUM(nominal) AS total").
+		Where("party_type = ?", string(utils.PaymentPartySupplier)).
+		Where("direction = ?", "OUT").
+		Where("party_id IN ?", supplierIDs).
+		Where("DATE(payment_date) < ?", dateFrom).
+		Group("party_id").
+		Scan(&rows).Error; err != nil {
+		return nil, err
+	}
+
+	result := make(map[uint]float64, len(rows))
+	for _, row := range rows {
+		result[row.SupplierID] = row.Total
+	}
+
+	return result, nil
+}
@@ -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 {
@@ -49,7 +49,7 @@ type DebtSupplierQuery struct {
 	SupplierIDs []int64 `query:"-" validate:"omitempty,dive,gt=0"`
 	StartDate   string  `query:"start_date" validate:"omitempty,datetime=2006-01-02"`
 	EndDate     string  `query:"end_date" validate:"omitempty,datetime=2006-01-02"`
-	FilterBy    string  `query:"filter_by" validate:"omitempty,oneof=do_date po_date pr_date"`
+	FilterBy    string  `query:"filter_by" validate:"omitempty,oneof=received_date po_date pr_date do_date"`
 	SortOrder   string  `query:"sort_order" validate:"omitempty,oneof=asc desc"`
 }