feat(BE): enhance closing service and repository with actual usage cost calculations and egg weight tracking

internal/modules/closings/dto/closingKeuangan.dto.go

@@ -35,6 +35,7 @@ const (
 type CalculationContext struct {
 	TotalPopulation     float64
 	TotalWeightProduced float64
+	TotalEggWeightKg    float64
 	TotalDepletion      float64
 	TotalWeightSold     float64
 	ActualPopulation    float64
@@ -48,6 +49,7 @@ type ClosingKeuanganInput struct {
 	DeliveryProducts     []entities.MarketingDeliveryProduct
 	Chickins             []entities.ProjectChickin
 	TotalWeightProduced  float64
+	TotalEggWeightKg     float64
 	TotalDepletion       float64
 }
 
@@ -77,8 +79,10 @@ type HppGroup struct {
 }
 
 type SummaryHpp struct {
-	Label string `json:"label"`
-	Comparison
+	Label          string `json:"label"`
+	Comparison     `json:"-"`
+	EggBudgeting   *FinancialMetrics `json:"egg_budgeting,omitempty"`
+	EggRealization *FinancialMetrics `json:"egg_realization,omitempty"`
 }
 
 type HppPurchasesSection struct {
@@ -231,7 +235,7 @@ func ToHppBahanBakuGroup(budgets []entities.ProjectBudget, realizations []entiti
 
 // === HPP SUMMARY ===
 
-func ToSummaryHpp(label string, purchaseItems []entities.PurchaseItem, budgets []entities.ProjectBudget, realizations []entities.ExpenseRealization, ctx CalculationContext) SummaryHpp {
+func ToSummaryHpp(label string, purchaseItems []entities.PurchaseItem, budgets []entities.ProjectBudget, realizations []entities.ExpenseRealization, projectFlockCategory string, ctx CalculationContext) SummaryHpp {
 	purchaseTotal := sumPurchaseTotal(purchaseItems)
 	budgetTotal := sumBudgetsByFilter(budgets, func(*entities.ProjectBudget) bool { return true })
 	totalBudget := purchaseTotal + budgetTotal
@@ -241,16 +245,34 @@ func ToSummaryHpp(label string, purchaseItems []entities.PurchaseItem, budgets [
 	budgetRpPerBird, budgetRpPerKg := calculatePerUnitMetrics(totalBudget, ctx.TotalPopulation, ctx.TotalWeightProduced)
 	realizationRpPerBird, realizationRpPerKg := calculatePerUnitMetrics(totalRealization, ctx.TotalPopulation, ctx.TotalWeightProduced)
 
-	return SummaryHpp{
+	summary := SummaryHpp{
 		Label: label,
 		Comparison: ToComparison(
 			ToFinancialMetrics(budgetRpPerBird, budgetRpPerKg, totalBudget),
 			ToFinancialMetrics(realizationRpPerBird, realizationRpPerKg, totalRealization),
 		),
 	}
+
+	if projectFlockCategory == string(utils.ProjectFlockCategoryLaying) && ctx.TotalEggWeightKg > 0 {
+		budgetEggRpPerKg, _ := calculatePerUnitMetrics(totalBudget, 0, ctx.TotalEggWeightKg)
+		realizationEggRpPerKg, _ := calculatePerUnitMetrics(totalRealization, 0, ctx.TotalEggWeightKg)
+
+		summary.EggBudgeting = &FinancialMetrics{
+			RpPerBird: 0,
+			RpPerKg:   budgetEggRpPerKg,
+			Amount:    totalBudget,
+		}
+		summary.EggRealization = &FinancialMetrics{
+			RpPerBird: 0,
+			RpPerKg:   realizationEggRpPerKg,
+			Amount:    totalRealization,
+		}
+	}
+
+	return summary
 }
 
-func ToHppPurchasesSection(purchaseItems []entities.PurchaseItem, budgets []entities.ProjectBudget, realizations []entities.ExpenseRealization, ctx CalculationContext) HppPurchasesSection {
+func ToHppPurchasesSection(purchaseItems []entities.PurchaseItem, budgets []entities.ProjectBudget, realizations []entities.ExpenseRealization, projectFlockCategory string, ctx CalculationContext) HppPurchasesSection {
 	hppGroups := []HppGroup{
 		{
 			GroupName: HPPGroupPengeluaran,
@@ -259,7 +281,7 @@ func ToHppPurchasesSection(purchaseItems []entities.PurchaseItem, budgets []enti
 		ToHppBahanBakuGroup(budgets, realizations, ctx),
 	}
 
-	summaryHpp := ToSummaryHpp(HPPSummaryLabel, purchaseItems, budgets, realizations, ctx)
+	summaryHpp := ToSummaryHpp(HPPSummaryLabel, purchaseItems, budgets, realizations, projectFlockCategory, ctx)
 
 	return HppPurchasesSection{
 		Hpp:        hppGroups,
@@ -322,11 +344,9 @@ func ToPenjualanItems(projectFlockCategory string, deliveryProducts []entities.M
 
 func ToPembelianItems(purchases []entities.PurchaseItem, realizations []entities.ExpenseRealization, ctx CalculationContext) []PLItem {
 	purchaseAmount := sumPurchaseTotal(purchases)
-	bopAmount := getOperationalExpenses(realizations)
-	totalCost := purchaseAmount + bopAmount
 
 	return []PLItem{
-		createPLItemWithMetrics(PLItemTypeSapronak, totalCost, ctx),
+		createPLItemWithMetrics(PLItemTypeSapronak, purchaseAmount, ctx),
 	}
 }
 
@@ -414,12 +434,13 @@ func ToClosingKeuanganReport(input ClosingKeuanganInput) ReportResponse {
 	ctx := CalculationContext{
 		TotalPopulation:     totalPopulation,
 		TotalWeightProduced: input.TotalWeightProduced,
+		TotalEggWeightKg:    input.TotalEggWeightKg,
 		TotalDepletion:      input.TotalDepletion,
 		TotalWeightSold:     totalWeightSold,
 		ActualPopulation:    totalPopulation - input.TotalDepletion,
 	}
 
-	hppSection := ToHppPurchasesSection(input.PurchaseItems, input.Budgets, input.Realizations, ctx)
+	hppSection := ToHppPurchasesSection(input.PurchaseItems, input.Budgets, input.Realizations, input.ProjectFlockCategory, ctx)
 	penjualanItems := ToPenjualanItems(input.ProjectFlockCategory, input.DeliveryProducts, ctx)
 	pembelianItems := ToPembelianItems(input.PurchaseItems, input.Realizations, ctx)
 	overheadItems := ToOverheadItems(input.Realizations, ctx)

internal/modules/closings/repositories/closing.repository.go

@@ -31,6 +31,8 @@ type ClosingRepository interface {
 	FetchSapronakChickinUsageDetails(ctx context.Context, pfkID uint) (map[uint][]SapronakDetailRow, error)
 	FetchSapronakAdjustments(ctx context.Context, kandangID uint) (map[uint][]SapronakDetailRow, map[uint][]SapronakDetailRow, error)
 	FetchSapronakTransfers(ctx context.Context, kandangID uint) (map[uint][]SapronakDetailRow, map[uint][]SapronakDetailRow, error)
+	GetActualUsageCostByProjectFlockID(ctx context.Context, projectFlockID uint) ([]ActualUsageCostRow, error)
+	GetProductsWithFlagsByIDs(ctx context.Context, productIDs []uint) ([]entity.Product, error)
 }
 
 type ClosingRepositoryImpl struct {
@@ -804,3 +806,150 @@ func (r *ClosingRepositoryImpl) FetchSapronakTransfers(ctx context.Context, kand
 	})
 	return in, out, nil
 }
+
+type ActualUsageCostRow struct {
+	ProductID       uint    `gorm:"column:product_id"`
+	ProductName     string  `gorm:"column:product_name"`
+	FlagName        string  `gorm:"column:flag_name"`
+	TotalQty        float64 `gorm:"column:total_qty"`
+	TotalPrice      float64 `gorm:"column:total_price"`
+	AveragePrice    float64 `gorm:"column:average_price"`
+}
+
+func (r *ClosingRepositoryImpl) GetActualUsageCostByProjectFlockID(ctx context.Context, projectFlockID uint) ([]ActualUsageCostRow, error) {
+	if projectFlockID == 0 {
+		return []ActualUsageCostRow{}, nil
+	}
+
+	db := r.DB().WithContext(ctx)
+
+	// Get all project flock kandang IDs for this project flock
+	var pfkIDs []uint
+	err := db.Table("project_flock_kandangs").
+		Where("project_flock_id = ?", projectFlockID).
+		Pluck("id", &pfkIDs).Error
+	if err != nil {
+		return nil, err
+	}
+
+	if len(pfkIDs) == 0 {
+		return []ActualUsageCostRow{}, nil
+	}
+
+	var rows []ActualUsageCostRow
+
+	// Part 1: Get usage from recording_stocks (PAKAN, OVK, Vitamin, Obat, Kimia, dll)
+	purchaseStockableKey := "PURCHASE_ITEMS"
+	transferStockableKey := "STOCK_TRANSFER_DETAILS"
+
+	recordingQuery := db.
+		Table("recordings AS r").
+		Select(`
+			pw.product_id AS product_id,
+			p.name AS product_name,
+			COALESCE(f.name, tf.name) AS flag_name,
+			COALESCE(SUM(
+				CASE
+					WHEN sa.stockable_type = ? THEN COALESCE(sa.qty, 0)
+					WHEN sa.stockable_type = ? THEN COALESCE(std.quantity, 0)
+					ELSE 0
+				END
+			), 0) AS total_qty,
+			COALESCE(SUM(
+				CASE
+					WHEN sa.stockable_type = ? THEN COALESCE(sa.qty, 0) * COALESCE(pi.price, 0)
+					WHEN sa.stockable_type = ? THEN COALESCE(std.quantity, 0) * COALESCE(tpi.price, 0)
+					ELSE 0
+				END
+			), 0) AS total_price,
+			COALESCE(SUM(
+				CASE
+					WHEN sa.stockable_type = ? THEN COALESCE(sa.qty, 0)
+					WHEN sa.stockable_type = ? THEN COALESCE(std.quantity, 0)
+					ELSE 0
+				END
+			), 0) AS qty_divisor,
+			COALESCE(SUM(
+				CASE
+					WHEN sa.stockable_type = ? THEN COALESCE(sa.qty, 0) * COALESCE(pi.price, 0)
+					WHEN sa.stockable_type = ? THEN COALESCE(std.quantity, 0) * COALESCE(tpi.price, 0)
+					ELSE 0
+				END
+			), 0) / NULLIF(COALESCE(SUM(
+				CASE
+					WHEN sa.stockable_type = ? THEN COALESCE(sa.qty, 0)
+					WHEN sa.stockable_type = ? THEN COALESCE(std.quantity, 0)
+					ELSE 0
+				END
+			), 0), 0) AS average_price`,
+			purchaseStockableKey, transferStockableKey,
+			purchaseStockableKey, transferStockableKey,
+			purchaseStockableKey, transferStockableKey,
+			purchaseStockableKey, transferStockableKey,
+			purchaseStockableKey, transferStockableKey).
+		Joins("JOIN recording_stocks AS rs ON rs.recording_id = r.id").
+		Joins("JOIN product_warehouses AS pw ON pw.id = rs.product_warehouse_id").
+		Joins("JOIN products AS p ON p.id = pw.product_id").
+		Joins("LEFT JOIN stock_allocations AS sa ON sa.usable_type = ? AND sa.usable_id = rs.id AND sa.status = ?",
+			"recording_stocks", entity.StockAllocationStatusActive).
+		Joins("LEFT JOIN purchase_items AS pi ON pi.id = sa.stockable_id AND sa.stockable_type = ?", purchaseStockableKey).
+		Joins("LEFT JOIN stock_transfer_details AS std ON std.id = sa.stockable_id AND sa.stockable_type = ?", transferStockableKey).
+		Joins("LEFT JOIN stock_transfers AS st ON st.id = std.stock_transfer_id").
+		Joins("LEFT JOIN purchase_items AS tpi ON tpi.product_id = std.product_id AND tpi.warehouse_id = st.from_warehouse_id").
+		Joins("LEFT JOIN flags AS f ON f.flagable_id = pi.product_id AND f.flagable_type = ?", entity.FlagableTypeProduct).
+		Joins("LEFT JOIN flags AS tf ON tf.flagable_id = std.product_id AND tf.flagable_type = ?", entity.FlagableTypeProduct).
+		Where("r.project_flock_kandangs_id IN ?", pfkIDs).
+		Where("r.deleted_at IS NULL").
+		Group("pw.product_id, p.name, COALESCE(f.name, tf.name)")
+
+	if err := recordingQuery.Scan(&rows).Error; err != nil {
+		return nil, err
+	}
+
+	// Part 2: Get usage from project_chickins (DOC, Pullet)
+	chickinQuery := db.
+		Table("project_chickins AS pc").
+		Select(`
+			pw.product_id AS product_id,
+			p.name AS product_name,
+			f.name AS flag_name,
+			COALESCE(SUM(pc.usage_qty), 0) AS total_qty,
+			COALESCE(SUM(pc.usage_qty * COALESCE(pi.price, 0)), 0) AS total_price,
+			COALESCE(AVG(COALESCE(pi.price, 0)), 0) AS average_price
+		`).
+		Joins("JOIN product_warehouses AS pw ON pw.id = pc.product_warehouse_id").
+		Joins("JOIN products AS p ON p.id = pw.product_id").
+		Joins("LEFT JOIN purchase_items AS pi ON pi.product_warehouse_id = pc.product_warehouse_id").
+		Joins("LEFT JOIN flags AS f ON f.flagable_id = p.id AND f.flagable_type = ?", entity.FlagableTypeProduct).
+		Where("pc.project_flock_kandang_id IN ?", pfkIDs).
+		Where("pc.usage_qty > 0").
+		Group("pw.product_id, p.name, f.name")
+
+	var chickinRows []ActualUsageCostRow
+	if err := chickinQuery.Scan(&chickinRows).Error; err != nil {
+		return nil, err
+	}
+
+	// Merge results
+	rows = append(rows, chickinRows...)
+
+	return rows, nil
+}
+
+func (r *ClosingRepositoryImpl) GetProductsWithFlagsByIDs(ctx context.Context, productIDs []uint) ([]entity.Product, error) {
+	if len(productIDs) == 0 {
+		return []entity.Product{}, nil
+	}
+
+	var products []entity.Product
+	err := r.DB().WithContext(ctx).
+		Preload("Flags").
+		Where("id IN ?", productIDs).
+		Find(&products).Error
+
+	if err != nil {
+		return nil, err
+	}
+
+	return products, nil
+}

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

@@ -426,11 +426,15 @@ func (s closingService) GetClosingKeuangan(c *fiber.Ctx, projectFlockID uint) (*
 		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch budgets")
 	}
 
-	purchaseItems, err := s.PurchaseRepo.GetItemsByProjectFlockID(c.Context(), projectFlockID)
-	if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
-		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch purchase items")
+	// Get actual usage cost instead of purchase items
+	actualUsageRows, err := s.Repository.GetActualUsageCostByProjectFlockID(c.Context(), projectFlockID)
+	if err != nil {
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch actual usage cost")
 	}
 
+	// Convert actual usage rows to pseudo purchase items
+	purchaseItems := s.convertActualUsageToPurchaseItems(c.Context(), actualUsageRows)
+
 	realizations, err := s.ExpenseRealizationRepo.GetByProjectFlockID(c.Context(), projectFlockID)
 	if err != nil {
 		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch realizations")
@@ -455,6 +459,11 @@ func (s closingService) GetClosingKeuangan(c *fiber.Ctx, projectFlockID uint) (*
 		s.Log.Warnf("GetProductionWeightAndQtyByProjectFlockID error: %v", err)
 	}
 
+	totalEggWeightKg, err := s.RecordingRepo.GetTotalEggProductionWeightByProjectFlockID(c.Context(), projectFlockID)
+	if err != nil {
+		s.Log.Warnf("GetTotalEggProductionWeightByProjectFlockID error: %v", err)
+	}
+
 	totalDepletion, err := s.RecordingRepo.GetTotalDepletionByProjectFlockID(c.Context(), projectFlockID)
 	if err != nil {
 		s.Log.Warnf("GetTotalDepletionByProjectFlockID error: %v", err)
@@ -468,6 +477,7 @@ func (s closingService) GetClosingKeuangan(c *fiber.Ctx, projectFlockID uint) (*
 		DeliveryProducts:     deliveryProducts,
 		Chickins:             chickins,
 		TotalWeightProduced:  totalWeightProduced,
+		TotalEggWeightKg:     totalEggWeightKg,
 		TotalDepletion:       totalDepletion,
 	}
 
@@ -476,8 +486,6 @@ func (s closingService) GetClosingKeuangan(c *fiber.Ctx, projectFlockID uint) (*
 	return &report, nil
 }
 
-// GetExpeditionHPP menghitung HPP ekspedisi per vendor untuk sebuah project flock.
-// Jika projectFlockKandangID tidak nil, maka hanya data untuk kandang tersebut yang dihitung.
 func (s closingService) GetExpeditionHPP(c *fiber.Ctx, projectFlockID uint, projectFlockKandangID *uint) (*dto.ExpeditionHPPDTO, error) {
 	if projectFlockID == 0 {
 		return nil, fiber.NewError(fiber.StatusBadRequest, "Invalid project flock id")
@@ -778,5 +786,54 @@ func closestFcrValues(standards []entity.FcrStandard, averageWeight float64) (fl
 	}
 
 	return closest.Mortality, closest.FcrNumber
-
+}
+
+func (s closingService) convertActualUsageToPurchaseItems(ctx context.Context, actualUsageRows []repository.ActualUsageCostRow) []entity.PurchaseItem {
+	if len(actualUsageRows) == 0 {
+		return []entity.PurchaseItem{}
+	}
+
+	// Collect all product IDs
+	productIDs := make([]uint, len(actualUsageRows))
+	for i, row := range actualUsageRows {
+		productIDs[i] = row.ProductID
+	}
+
+	// Fetch products with flags from repository
+	products, err := s.Repository.GetProductsWithFlagsByIDs(ctx, productIDs)
+	if err != nil {
+		s.Log.Warnf("Failed to fetch products for actual usage: %v", err)
+		products = []entity.Product{}
+	}
+
+	// Create product map
+	productMap := make(map[uint]*entity.Product)
+	for i := range products {
+		productMap[products[i].Id] = &products[i]
+	}
+
+	// Convert to pseudo purchase items
+	purchaseItems := make([]entity.PurchaseItem, 0, len(actualUsageRows))
+	for _, row := range actualUsageRows {
+		product := productMap[row.ProductID]
+
+		// Skip if product not found
+		if product == nil {
+			s.Log.Warnf("Product ID %d not found for actual usage", row.ProductID)
+			continue
+		}
+
+		purchaseItem := entity.PurchaseItem{
+			Id:         0, // Pseudo item, no ID
+			ProductId:  row.ProductID,
+			TotalQty:   row.TotalQty,
+			TotalPrice: row.TotalPrice,
+			Price:      row.AveragePrice,
+			Product:    product,
+		}
+
+		purchaseItems = append(purchaseItems, purchaseItem)
+	}
+
+	return purchaseItems
 }