feat[BE-384]: enhance closing reports by introducing calculation context and improving data handling; refactor related functions for better clarity and maintainability

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

@@ -137,6 +137,7 @@ func (s closingService) GetPenjualan(c *fiber.Ctx, projectFlockID uint) ([]entit
 			Preload("MarketingProduct.ProductWarehouse.Warehouse").
 			Preload("MarketingProduct.ProductWarehouse.ProjectFlockKandang").
 			Preload("MarketingProduct.ProductWarehouse.ProjectFlockKandang.Kandang").
+			Preload("MarketingProduct.ProductWarehouse.ProjectFlockKandang.Chickins").
 			Preload("MarketingProduct.Marketing").
 			Preload("MarketingProduct.Marketing.Customer").
 			Order("marketing_delivery_products.delivery_date DESC")
@@ -450,13 +451,23 @@ func (s closingService) GetClosingKeuangan(c *fiber.Ctx, projectFlockID uint) (*
 		s.Log.Warnf("GetProductionWeightAndQtyByProjectFlockID error: %v", err)
 	}
 
-	// Fetch depletion data to calculate actual population for cost allocation
 	totalDepletion, err := s.RecordingRepo.GetTotalDepletionByProjectFlockID(c.Context(), projectFlockID)
 	if err != nil {
 		s.Log.Warnf("GetTotalDepletionByProjectFlockID error: %v", err)
 	}
 
-	report := dto.ToClosingKeuanganReport(projectFlock.Category, purchaseItems, budgets, realizations, deliveryProducts, chickins, totalWeightProduced, totalDepletion)
+	input := dto.ClosingKeuanganInput{
+		ProjectFlockCategory: projectFlock.Category,
+		PurchaseItems:        purchaseItems,
+		Budgets:              budgets,
+		Realizations:         realizations,
+		DeliveryProducts:     deliveryProducts,
+		Chickins:             chickins,
+		TotalWeightProduced:  totalWeightProduced,
+		TotalDepletion:       totalDepletion,
+	}
+
+	report := dto.ToClosingKeuanganReport(input)
 
 	return &report, nil
 }