Merge branch 'development' into 'staging'

Development

See merge request mbugroup/lti-api!285

internal/common/repository/common.hpp.repository.go

@@ -20,6 +20,7 @@ type HppCostRepository interface {
 	GetTotalPopulation(ctx context.Context, projectFlockKandangIDs []uint) (float64, error)
 	GetPulletCost(ctx context.Context, projectFlockKandangId uint) (float64, error)
 	GetEggProduksiPiecesAndWeightKgByProjectFlockKandangIds(ctx context.Context, projectFlockKandangIDs []uint, date *time.Time) (float64, float64, error)
+	GetEggProduksiPiecesAndWeightKgByProjectFlockKandangIdsAll(ctx context.Context, projectFlockKandangIDs []uint) (float64, float64, error)
 	GetEggTerjualPiecesAndWeightKgByProjectFlockKandangIds(ctx context.Context, projectFlockKandangIDs []uint, startDate *time.Time, endDate *time.Time) (float64, float64, error)
 	GetProjectFlockIDByProjectFlockKandangID(ctx context.Context, projectFlockKandangId uint) (uint, error)
 	GetTransferSourceSummary(ctx context.Context, projectFlockKandangId uint) (uint, float64, error)
@@ -219,6 +220,24 @@ func (r *HppRepositoryImpl) GetEggProduksiPiecesAndWeightKgByProjectFlockKandang
 	return totals.TotalPieces, totals.TotalWeightKg, nil
 }
 
+func (r *HppRepositoryImpl) GetEggProduksiPiecesAndWeightKgByProjectFlockKandangIdsAll(ctx context.Context, projectFlockKandangIDs []uint) (float64, float64, error) {
+	var totals struct {
+		TotalPieces   float64
+		TotalWeightKg float64
+	}
+	err := r.db.WithContext(ctx).
+		Table("recordings AS r").
+		Select("COALESCE(SUM(re.qty), 0) AS total_pieces, COALESCE(SUM(re.weight), 0)AS total_weight_kg").
+		Joins("JOIN recording_eggs AS re ON re.recording_id = r.id").
+		Where("r.project_flock_kandangs_id IN (?)", projectFlockKandangIDs).
+		Scan(&totals).Error
+	if err != nil {
+		return 0, 0, err
+	}
+
+	return totals.TotalPieces, totals.TotalWeightKg, nil
+}
+
 func (r *HppRepositoryImpl) GetEggTerjualPiecesAndWeightKgByProjectFlockKandangIds(
 	ctx context.Context,
 	projectFlockKandangIDs []uint,

internal/database/migrations/20260129083458_create_transfer_laying_sequence.down.sql

@@ -0,0 +1,2 @@
+-- Drop transfer laying sequence
+DROP SEQUENCE IF EXISTS transfer_laying_seq;

internal/database/migrations/20260129083458_create_transfer_laying_sequence.up.sql

@@ -0,0 +1,33 @@
+-- Create sequence for transfer laying movement number
+CREATE SEQUENCE transfer_laying_seq START
+WITH
+    1 INCREMENT BY 1 MINVALUE 1 MAXVALUE 99999 NO CYCLE;
+
+-- Set sequence starting value based on existing data (if any)
+-- This prevents duplicate movement numbers if there's already data
+DO $$ DECLARE max_existing INTEGER;
+
+BEGIN
+-- Check if table exists and has data
+IF EXISTS (
+    SELECT 1
+    FROM information_schema.tables
+    WHERE
+        table_schema = 'public'
+        AND table_name = 'transfer_to_layings'
+) THEN
+-- Get max ID from existing records
+SELECT COALESCE(MAX(id), 0) INTO max_existing
+FROM transfer_to_layings;
+
+-- Set sequence to start after the highest existing ID
+IF max_existing > 0 THEN PERFORM setval (
+    'transfer_laying_seq',
+    max_existing
+);
+
+END IF;
+
+END IF;
+
+END $$;

internal/modules/closings/dto/closingMarketing.dto.go

@@ -101,6 +101,26 @@ func ToSalesDTO(e entity.MarketingDeliveryProduct) SalesDTO {
 	}
 }
 
+func ToSalesAgeDTO(e entity.MarketingDeliveryProduct) SalesDTO {
+
+	productFlags := make([]string, len(e.MarketingProduct.ProductWarehouse.Product.Flags))
+	for i, f := range e.MarketingProduct.ProductWarehouse.Product.Flags {
+		productFlags[i] = f.Name
+	}
+
+	var category string
+	if e.MarketingProduct.ProductWarehouse.ProjectFlockKandang != nil {
+		category = e.MarketingProduct.ProductWarehouse.ProjectFlockKandang.ProjectFlock.Category
+	}
+
+	ageInDay, _ := calculateAgeFromChickin(e.MarketingProduct.ProductWarehouse.ProjectFlockKandang, e.DeliveryDate, productFlags, category)
+
+	return SalesDTO{
+		Age: ageInDay,
+		Qty: e.UsageQty,
+	}
+}
+
 func ToSummaryDto(e []entity.MarketingDeliveryProduct) SummaryDTO {
 
 	var totalSalesPrice, totalActualPrice, sumSales, sumActual float64

internal/modules/closings/services/closing.service.go

@@ -841,7 +841,7 @@ func (s closingService) GetClosingDataProduksi(c *fiber.Ctx, projectFlockID uint
 			return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch FCR standard data")
 		}
 	}
-	age, err := s.calculateAverageSalesAge(c.Context(), projectFlockID)
+	age, err := s.calculateAverageSalesAge(c.Context(), projectFlockID, kandangID)
 	if err != nil {
 		s.Log.Errorf("Failed to calculate sales age for project flock %d: %+v", projectFlockID, err)
 		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch sales age data")
@@ -1028,38 +1028,24 @@ func (s closingService) GetClosingDataProduksi(c *fiber.Ctx, projectFlockID uint
 	return &result, nil
 }
 
-func (s closingService) calculateAverageSalesAge(ctx context.Context, projectFlockID uint) (float64, error) {
+func (s closingService) calculateAverageSalesAge(ctx context.Context, projectFlockID uint, projectFlockKandangID *uint) (float64, error) {
-	deliveryProducts, err := s.MarketingDeliveryProductRepo.GetDeliveryProductsByProjectFlockID(ctx, projectFlockID, func(db *gorm.DB) *gorm.DB {
+	penjualan, err := s.MarketingDeliveryProductRepo.GetClosingPenjualanForAgeChickDataProduction(ctx, projectFlockID, projectFlockKandangID)
-		return db.
-			Preload("MarketingProduct").
-			Preload("MarketingProduct.ProductWarehouse").
-			Preload("MarketingProduct.ProductWarehouse.ProjectFlockKandang").
-			Preload("MarketingProduct.ProductWarehouse.ProjectFlockKandang.Chickins")
-	})
 	if err != nil {
 		return 0, err
 	}
-
+	acumulateAgeQty := 0.0
-	var (
+	totalQty := 0.0
-		totalQty      float64
+	for _, v := range penjualan {
-		totalAgeWeeks float64
+		sale := dto.ToSalesAgeDTO(v)
-	)
+		acumulateAgeQty += float64(sale.Age) * sale.Qty
-
+		totalQty += sale.Qty
-	for _, product := range deliveryProducts {
+	}
-		if product.UsageQty == 0 {
+	if totalQty > 0 {
-			continue
+		averageAge := acumulateAgeQty / totalQty
-		}
+		return averageAge, nil
-		projectFlockKandang := product.MarketingProduct.ProductWarehouse.ProjectFlockKandang
-		ageWeeks := dto.CalculateAgeFromChickinDataProduksi(projectFlockKandang, product.DeliveryDate)
-		totalAgeWeeks += float64(ageWeeks) * product.UsageQty
-		totalQty += product.UsageQty
 	}
 
-	if totalQty == 0 {
+	return 0, err
-		return 0, nil
-	}
-
-	return totalAgeWeeks / totalQty, nil
 }
 
 func (s closingService) determineProductionWeek(ctx context.Context, projectFlockKandangIDs []uint) (int, error) {

internal/modules/closings/services/closingKeuangan.service.go

@@ -262,7 +262,7 @@ func (s closingKeuanganService) calculateProductionData(c *fiber.Ctx, projectFlo
 	}
 
 	if projectFlock.Category == string(utils.ProjectFlockCategoryLaying) {
-		_, data.TotalEggWeightKg, err = s.HppRepo.GetEggProduksiPiecesAndWeightKgByProjectFlockKandangIds(c.Context(), projectFlockKandangIDs, nil)
+		_, data.TotalEggWeightKg, err = s.HppRepo.GetEggProduksiPiecesAndWeightKgByProjectFlockKandangIdsAll(c.Context(), projectFlockKandangIDs)
 		if err != nil {
 			data.TotalEggWeightKg = 0
 		}

internal/modules/inventory/transfers/services/transfer.service.go

@@ -232,11 +232,24 @@ func (s *transferService) CreateOne(c *fiber.Ctx, req *validation.TransferReques
 	}
 
 	for _, delivery := range req.Deliveries {
-		// Skip supplier validation if SupplierID is 0 (optional)
+
 		if delivery.SupplierID == 0 {
 			continue
 		}
 
+		if delivery.VehiclePlate == "" {
+			return nil, fiber.NewError(fiber.StatusBadRequest, "Vehicle plate wajib diisi ketika supplier dipilih")
+		}
+		if delivery.DriverName == "" {
+			return nil, fiber.NewError(fiber.StatusBadRequest, "Driver name wajib diisi ketika supplier dipilih")
+		}
+		if delivery.DeliveryCost <= 0 {
+			return nil, fiber.NewError(fiber.StatusBadRequest, "Delivery cost harus lebih dari 0 ketika supplier dipilih")
+		}
+		if delivery.DeliveryCostPerItem <= 0 {
+			return nil, fiber.NewError(fiber.StatusBadRequest, "Delivery cost per item harus lebih dari 0 ketika supplier dipilih")
+		}
+
 		supplier, err := s.SupplierRepo.GetByID(c.Context(), uint(delivery.SupplierID), nil)
 		if err != nil {
 			if errors.Is(err, gorm.ErrRecordNotFound) {

internal/modules/inventory/transfers/validations/transfer.validation.go

@@ -21,11 +21,11 @@ type TransferDeliveryProduct struct {
 }
 
 type TransferDelivery struct {
-	DeliveryCost        float64                   `json:"delivery_cost" validate:"required"`
+	DeliveryCost        float64                   `json:"delivery_cost"`
-	DeliveryCostPerItem float64                   `json:"delivery_cost_per_item" validate:"required"`
+	DeliveryCostPerItem float64                   `json:"delivery_cost_per_item"`
 	DocumentIndex       int                       `json:"document_index" validate:"omitempty,min=-1" default:"-1"`
-	DriverName          string                    `json:"driver_name" validate:"required"`
+	DriverName          string                    `json:"driver_name"`
-	VehiclePlate        string                    `json:"vehicle_plate" validate:"required"`
+	VehiclePlate        string                    `json:"vehicle_plate"`
 	SupplierID          uint                      `json:"supplier_id" `
 	Products            []TransferDeliveryProduct `json:"products" validate:"required,dive"`
 }

internal/modules/marketing/repositories/salesorder_delivery_product.repository.go

@@ -22,6 +22,7 @@ type MarketingDeliveryProductRepository interface {
 	UpdateFifoFields(ctx context.Context, id uint, usageQty, pendingQty float64) error
 	GetUsageQty(ctx context.Context, id uint) (float64, error)
 	ResetFifoFields(ctx context.Context, id uint) error
+	GetClosingPenjualanForAgeChickDataProduction(ctx context.Context, projectFlockID uint, projectFlockKandangID *uint) ([]entity.MarketingDeliveryProduct, error)
 }
 
 type MarketingDeliveryProductRepositoryImpl struct {
@@ -93,6 +94,46 @@ func (r *MarketingDeliveryProductRepositoryImpl) GetClosingPenjualan(ctx context
 	return deliveryProducts, nil
 }
 
+func (r *MarketingDeliveryProductRepositoryImpl) GetClosingPenjualanForAgeChickDataProduction(ctx context.Context, projectFlockID uint, projectFlockKandangID *uint) ([]entity.MarketingDeliveryProduct, error) {
+	var deliveryProducts []entity.MarketingDeliveryProduct
+
+	db := r.DB().WithContext(ctx).
+		Joins("JOIN marketing_products ON marketing_products.id = marketing_delivery_products.marketing_product_id").
+		Joins("JOIN product_warehouses ON product_warehouses.id = marketing_products.product_warehouse_id").
+		Joins("JOIN products ON products.id = product_warehouses.product_id").
+		Joins("JOIN flags ON flags.flagable_id = products.id AND flags.flagable_type = 'products'").
+		Joins("JOIN project_flock_kandangs ON project_flock_kandangs.id = product_warehouses.project_flock_kandang_id").
+		Where("project_flock_kandangs.project_flock_id = ?", projectFlockID).
+		Where("flags.name IN (?)", []string{
+			string(utils.FlagAyamAfkir),
+			string(utils.FlagAyamCulling),
+			string(utils.FlagPullet),
+			string(utils.FlagLayer),
+		}).
+		Where("marketing_delivery_products.delivery_date IS NOT NULL").
+		Distinct("marketing_delivery_products.*")
+
+	if projectFlockKandangID != nil {
+		db = db.Where("product_warehouses.project_flock_kandang_id = ?", *projectFlockKandangID)
+	}
+
+	db = db.
+		Preload("MarketingProduct").
+		Preload("MarketingProduct.ProductWarehouse").
+		Preload("MarketingProduct.ProductWarehouse.Product").
+		Preload("MarketingProduct.ProductWarehouse.Product.ProductCategory").
+		Preload("MarketingProduct.ProductWarehouse.Product.Flags").
+		Preload("MarketingProduct.ProductWarehouse.ProjectFlockKandang").
+		Preload("MarketingProduct.ProductWarehouse.ProjectFlockKandang.Chickins").
+		Order("marketing_delivery_products.delivery_date DESC")
+
+	if err := db.Find(&deliveryProducts).Error; err != nil {
+		return nil, err
+	}
+
+	return deliveryProducts, nil
+}
+
 func (r *MarketingDeliveryProductRepositoryImpl) GetClosingPenjualanByCategory(ctx context.Context, projectFlockID uint, projectFlockKandangID *uint, category string) ([]entity.MarketingDeliveryProduct, error) {
 	var deliveryProducts []entity.MarketingDeliveryProduct
 

internal/modules/marketing/services/deliveryorder.service.go

@@ -410,6 +410,7 @@ func (s deliveryOrdersService) UpdateOne(c *fiber.Ctx, req *validation.DeliveryO
 					return fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch delivery product")
 				}
 
+				oldRequestedQty := deliveryProduct.UsageQty + deliveryProduct.PendingQty
 				var itemDeliveryDate *time.Time
 				if requestedProduct.DeliveryDate != "" {
 					parsedDate, err := utils.ParseDateString(requestedProduct.DeliveryDate)
@@ -421,11 +422,8 @@ func (s deliveryOrdersService) UpdateOne(c *fiber.Ctx, req *validation.DeliveryO
 					itemDeliveryDate = deliveryProduct.DeliveryDate
 				}
 
-				oldRequestedQty := deliveryProduct.UsageQty + deliveryProduct.PendingQty
-
-				// Cek apakah product punya flag PAKAN atau OVK
 				isPakanOrOVK := false
-				if foundMarketingProduct.ProductWarehouse.Product.Id != 0 && len(foundMarketingProduct.ProductWarehouse.Product.Flags) > 0 {
+				if foundMarketingProduct.ProductWarehouse.Id != 0 && foundMarketingProduct.ProductWarehouse.Product.Id != 0 && len(foundMarketingProduct.ProductWarehouse.Product.Flags) > 0 {
 					for _, flag := range foundMarketingProduct.ProductWarehouse.Product.Flags {
 						if flag.Name == string(utils.FlagPakan) || flag.Name == string(utils.FlagOVK) {
 							isPakanOrOVK = true
@@ -506,60 +504,71 @@ func (s deliveryOrdersService) consumeDeliveryStock(ctx context.Context, tx *gor
 
 	deliveryProductRepo := marketingRepo.NewMarketingDeliveryProductRepository(tx)
 
-	if err == nil && result.UsageQuantity > 0 {
+	totalConsumed := 0.0
-		if actorID > 0 {
+	var fifoConsumed float64
-			decreaseLog := &entity.StockLog{
+	var directConsumed float64
-				Decrease:           result.UsageQuantity,
+
-				LoggableType:       string(utils.StockLogTypeMarketing),
+	if result != nil && result.UsageQuantity > 0 {
-				LoggableId:         deliveryProduct.Id,
+		fifoConsumed = result.UsageQuantity
-				ProductWarehouseId: marketingProduct.ProductWarehouseId,
+		totalConsumed = result.UsageQuantity
-				CreatedBy:          actorID,
-				Notes:              "",
-			}
-			s.StockLogRepo.WithTx(tx).CreateOne(ctx, decreaseLog, nil)
-		}
 	}
 
-	if err != nil {
+	if err != nil || (totalConsumed < requestedQty) {
+		remainder := requestedQty - totalConsumed
+
 		pwRepo := productWarehouseRepo.NewProductWarehouseRepository(tx)
 		pw, err2 := pwRepo.GetByID(ctx, marketingProduct.ProductWarehouseId, nil)
 		if err2 != nil {
 			return fiber.NewError(fiber.StatusInternalServerError, "Failed to check product warehouse stock")
 		}
 
-		if pw == nil || pw.Quantity < requestedQty {
+		if pw == nil || pw.Quantity < remainder {
-			return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Insufficient stock. Available: %.2f, Requested: %.2f", func() float64 {
+			return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Insufficient stock. FIFO: %.2f, Direct Available: %.2f, Total Needed: %.2f", func() float64 {
 				if pw != nil {
 					return pw.Quantity
 				} else {
 					return 0
 				}
-			}(), requestedQty))
+			}(), remainder, requestedQty))
 		}
 
-		if err := deliveryProductRepo.UpdateFifoFields(ctx, deliveryProduct.Id, requestedQty, 0); err != nil {
+		if err := pwRepo.AdjustQuantities(ctx, map[uint]float64{
-			return fiber.NewError(fiber.StatusInternalServerError, "Failed to update delivery product")
+			marketingProduct.ProductWarehouseId: -remainder,
+		}, func(db *gorm.DB) *gorm.DB {
+			return tx
+		}); err != nil {
+			return fiber.NewError(fiber.StatusInternalServerError, "Failed to adjust product warehouse quantity")
 		}
 
-		if actorID > 0 {
+		directConsumed = remainder
-			decreaseLog := &entity.StockLog{
+		totalConsumed += remainder
-				Decrease:           requestedQty,
-				LoggableType:       string(utils.StockLogTypeMarketing),
-				LoggableId:         deliveryProduct.Id,
-				ProductWarehouseId: marketingProduct.ProductWarehouseId,
-				CreatedBy:          actorID,
-				Notes:              "",
-			}
-			s.StockLogRepo.WithTx(tx).CreateOne(ctx, decreaseLog, nil)
-		}
-
-		return nil
 	}
 
-	if err := deliveryProductRepo.UpdateFifoFields(ctx, deliveryProduct.Id, result.UsageQuantity, result.PendingQuantity); err != nil {
+	if err := deliveryProductRepo.UpdateFifoFields(ctx, deliveryProduct.Id, totalConsumed, 0); err != nil {
 		return fiber.NewError(fiber.StatusInternalServerError, "Failed to update delivery product")
 	}
 
+	if actorID > 0 && totalConsumed > 0 {
+		notes := ""
+		if fifoConsumed > 0 && directConsumed > 0 {
+			notes = fmt.Sprintf("Partial FIFO (%.2f) + Direct (%.2f)", fifoConsumed, directConsumed)
+		} else if fifoConsumed > 0 {
+			notes = fmt.Sprintf("FIFO stock only (%.2f)", fifoConsumed)
+		} else if directConsumed > 0 {
+			notes = fmt.Sprintf("Direct stock only (%.2f)", directConsumed)
+		}
+
+		decreaseLog := &entity.StockLog{
+			Decrease:           totalConsumed,
+			LoggableType:       string(utils.StockLogTypeMarketing),
+			LoggableId:         deliveryProduct.Id,
+			ProductWarehouseId: marketingProduct.ProductWarehouseId,
+			CreatedBy:          actorID,
+			Notes:              notes,
+		}
+		s.StockLogRepo.WithTx(tx).CreateOne(ctx, decreaseLog, nil)
+	}
+
 	return nil
 }
 

internal/modules/production/transfer_layings/repositories/laying_transfer.repository.go

@@ -2,6 +2,7 @@ package repository
 
 import (
 	"context"
+	"fmt"
 	"strings"
 
 	"gitlab.com/mbugroup/lti-api.git/internal/common/repository"
@@ -16,6 +17,10 @@ type TransferLayingRepository interface {
 
 	// Tambah method baru untuk query dengan filter lengkap
 	GetAllWithFilters(ctx context.Context, offset int, limit int, params *GetAllFilterParams) ([]entity.LayingTransfer, int64, error)
+
+	// Get sequence for movement number
+	GetNextMovementNumber(ctx context.Context) (int64, error)
+	GenerateMovementNumber(ctx context.Context) (string, error)
 }
 
 type TransferLayingRepositoryImpl struct {
@@ -29,6 +34,26 @@ func NewTransferLayingRepository(db *gorm.DB) TransferLayingRepository {
 		db:                 db,
 	}
 }
+
+func (r *TransferLayingRepositoryImpl) GetNextMovementNumber(ctx context.Context) (int64, error) {
+	var seq int64
+	err := r.db.WithContext(ctx).Raw("SELECT nextval('transfer_laying_seq')").Scan(&seq).Error
+	if err != nil {
+		return 0, err
+	}
+	return seq, nil
+}
+
+func (r *TransferLayingRepositoryImpl) GenerateMovementNumber(ctx context.Context) (string, error) {
+	seq, err := r.GetNextMovementNumber(ctx)
+	if err != nil {
+		return "", err
+	}
+	// Format: TL00001, TL00002, dst
+	movementNumber := fmt.Sprintf("TL%05d", seq)
+	return movementNumber, nil
+}
+
 func (r *TransferLayingRepositoryImpl) IdExists(ctx context.Context, id uint) (bool, error) {
 	return repository.Exists[entity.LayingTransfer](ctx, r.db, id)
 }

internal/modules/production/transfer_layings/services/transfer_laying.service.go

@@ -271,7 +271,11 @@ func (s *transferLayingService) CreateOne(c *fiber.Ctx, req *validation.Create)
 		return nil, fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Jumlah total sumber (%.0f) harus sama dengan jumlah total tujuan (%.0f)", totalSourceQty, totalTargetQty))
 	}
 
-	transferNumber := fmt.Sprintf("TL-%d", time.Now().UnixNano())
+	transferNumber, err := s.Repository.GenerateMovementNumber(c.Context())
+	if err != nil {
+		s.Log.Errorf("Failed to generate movement number: %+v", err)
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Gagal membuat nomor transfer")
+	}
 
 	createBody := &entity.LayingTransfer{
 		TransferNumber:     transferNumber,
@@ -440,15 +444,105 @@ func (s *transferLayingService) UpdateOne(c *fiber.Ctx, req *validation.Update,
 		return nil, fiber.NewError(fiber.StatusBadRequest, "Target project flock not found")
 	}
 
+	sourceKandangIDs := make([]uint, len(req.SourceKandangs))
+	for i, detail := range req.SourceKandangs {
+		sourceKandangIDs[i] = detail.ProjectFlockKandangId
+	}
+
+	if err := s.validateKandangOwnership(
+		c.Context(),
+		req.SourceProjectFlockId,
+		sourceKandangIDs,
+	); err != nil {
+		return nil, err
+	}
+
+	targetKandangIDs := make([]uint, len(req.TargetKandangs))
+	for i, detail := range req.TargetKandangs {
+		targetKandangIDs[i] = detail.ProjectFlockKandangId
+	}
+
+	if err := s.validateKandangOwnership(
+		c.Context(),
+		req.TargetProjectFlockId,
+		targetKandangIDs,
+	); err != nil {
+		return nil, err
+	}
+
 	transferDate, err := time.Parse("2006-01-02", req.TransferDate)
 	if err != nil {
 		return nil, fiber.NewError(fiber.StatusBadRequest, "Invalid transfer date format")
 	}
 
+	var totalSourceQty, totalTargetQty float64
+	sourceWarehouseMap := make(map[uint]uint)
+
+	for _, sourceDetail := range req.SourceKandangs {
+		if sourceDetail.Quantity <= 0 {
+			continue
+		}
+		totalSourceQty += sourceDetail.Quantity
+
+		populations, err := s.ProjectFlockPopulationRepo.GetByProjectFlockKandangID(c.Context(), sourceDetail.ProjectFlockKandangId)
+		if err != nil {
+			return nil, err
+		}
+
+		var totalPopulation float64
+		var productWarehouseId uint
+		for _, pop := range populations {
+			totalPopulation += pop.TotalQty
+			if productWarehouseId == 0 {
+				productWarehouseId = pop.ProductWarehouseId
+			}
+		}
+
+		if totalPopulation == 0 {
+			return nil, fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Kandang sumber %d tidak memiliki populasi untuk ditransfer", sourceDetail.ProjectFlockKandangId))
+		}
+
+		if totalPopulation < sourceDetail.Quantity {
+			return nil, fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Kandang sumber %d jumlah tidak mencukupi. Tersedia: %.0f, Diminta: %.0f", sourceDetail.ProjectFlockKandangId, totalPopulation, sourceDetail.Quantity))
+		}
+
+		sourceWarehouseMap[sourceDetail.ProjectFlockKandangId] = productWarehouseId
+	}
+
+	for _, targetDetail := range req.TargetKandangs {
+		if targetDetail.Quantity <= 0 {
+			continue
+		}
+		totalTargetQty += targetDetail.Quantity
+	}
+
+	if totalSourceQty == 0 {
+		return nil, fiber.NewError(fiber.StatusBadRequest, "Minimal harus ada 1 kandang sumber dengan jumlah lebih dari 0")
+	}
+	if totalTargetQty == 0 {
+		return nil, fiber.NewError(fiber.StatusBadRequest, "Minimal harus ada 1 kandang tujuan dengan jumlah lebih dari 0")
+	}
+
+	if totalSourceQty != totalTargetQty {
+		return nil, fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Jumlah total sumber (%.0f) harus sama dengan jumlah total tujuan (%.0f)", totalSourceQty, totalTargetQty))
+	}
+
+	// Ambil productWarehouseId pertama dari source yang valid (quantity > 0)
+	var firstProductWarehouseId uint
+	for _, sourceDetail := range req.SourceKandangs {
+		if sourceDetail.Quantity > 0 {
+			if pwId, ok := sourceWarehouseMap[sourceDetail.ProjectFlockKandangId]; ok {
+				firstProductWarehouseId = pwId
+				break
+			}
+		}
+	}
+
 	err = s.Repository.DB().WithContext(c.Context()).Transaction(func(dbTransaction *gorm.DB) error {
 		repoTx := s.Repository.WithTx(dbTransaction)
 		sourceRepo := s.LayingTransferSourceRepo.WithTx(dbTransaction)
 		targetRepo := s.LayingTransferTargetRepo.WithTx(dbTransaction)
+		pwRepo := rInventory.NewProductWarehouseRepository(dbTransaction)
 
 		// Hapus old sources dan targets
 		for _, oldSource := range existingTransfer.Sources {
@@ -472,26 +566,11 @@ func (s *transferLayingService) UpdateOne(c *fiber.Ctx, req *validation.Update,
 
 		// Create new sources dengan pending quantity
 		for _, sourceDetail := range req.SourceKandangs {
-			populations, err := s.ProjectFlockPopulationRepo.GetByProjectFlockKandangID(c.Context(), sourceDetail.ProjectFlockKandangId)
+			if sourceDetail.Quantity == 0 {
-			if err != nil {
+				continue
-				return fiber.NewError(fiber.StatusInternalServerError, "Failed to get populations")
 			}
 
-			if len(populations) == 0 {
+			productWarehouseId := sourceWarehouseMap[sourceDetail.ProjectFlockKandangId]
-				return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Source kandang %d has no population available", sourceDetail.ProjectFlockKandangId))
-			}
-
-			var productWarehouseId uint
-			for _, pop := range populations {
-				if pop.ProductWarehouseId > 0 {
-					productWarehouseId = pop.ProductWarehouseId
-					break
-				}
-			}
-
-			if productWarehouseId == 0 {
-				return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Source kandang %d has no product warehouse", sourceDetail.ProjectFlockKandangId))
-			}
 
 			source := entity.LayingTransferSource{
 				LayingTransferId:            id,
@@ -506,7 +585,18 @@ func (s *transferLayingService) UpdateOne(c *fiber.Ctx, req *validation.Update,
 			}
 		}
 
-		pwRepo := rInventory.NewProductWarehouseRepository(dbTransaction)
+		// Ambil product ID dari source warehouse pertama yang valid
+		var sourceProductID uint
+		if firstProductWarehouseId > 0 {
+			sourcePW, err := pwRepo.GetByID(c.Context(), firstProductWarehouseId, nil)
+			if err == nil {
+				sourceProductID = sourcePW.ProductId
+			}
+		}
+
+		if sourceProductID == 0 {
+			return fiber.NewError(fiber.StatusInternalServerError, "Failed to get product from source warehouse")
+		}
 
 		for _, targetDetail := range req.TargetKandangs {
 			targetprojectFlockKandang, err := s.ProjectFlockKandangRepo.GetByID(c.Context(), targetDetail.ProjectFlockKandangId)
@@ -522,23 +612,6 @@ func (s *transferLayingService) UpdateOne(c *fiber.Ctx, req *validation.Update,
 				return fiber.NewError(fiber.StatusInternalServerError, "Failed to get target warehouse")
 			}
 
-			// Ambil product ID dari source yang pertama (semua sources seharusnya product-nya sama)
-			var sourceProductID uint
-			if len(req.SourceKandangs) > 0 {
-				firstSourceKandangID := req.SourceKandangs[0].ProjectFlockKandangId
-				populations, err := s.ProjectFlockPopulationRepo.GetByProjectFlockKandangID(c.Context(), firstSourceKandangID)
-				if err == nil && len(populations) > 0 && populations[0].ProductWarehouseId > 0 {
-					sourcePW, err := pwRepo.GetByID(c.Context(), populations[0].ProductWarehouseId, nil)
-					if err == nil {
-						sourceProductID = sourcePW.ProductId
-					}
-				}
-			}
-
-			if sourceProductID == 0 {
-				return fiber.NewError(fiber.StatusInternalServerError, "Failed to get product from source warehouse")
-			}
-
 			targetPW, err := pwRepo.FindByProductWarehouseAndPfk(c.Context(), sourceProductID, targetWarehouse.Id, &targetDetail.ProjectFlockKandangId)
 			if err != nil {
 				if errors.Is(err, gorm.ErrRecordNotFound) {