feat(BE): enhance chickin and transfer laying services with product warehouse validation and stockable support

internal/modules/production/chickins/module.go

@@ -52,13 +52,14 @@ func (ChickinModule) RegisterRoutes(router fiber.Router, db *gorm.DB, validate *
 			PendingQuantity:    "pending_usage_qty",
 			CreatedAt:          "created_at",
 		},
+
+		ExcludedStockables: []fifo.StockableKey{fifo.StockableKeyProjectFlockPopulation},
 	}); err != nil {
 		if !strings.Contains(strings.ToLower(err.Error()), "already registered") {
 			panic(fmt.Sprintf("failed to register chickin usable workflow: %v", err))
 		}
 	}
 
-	
 	if err := fifoService.RegisterStockable(fifo.StockableConfig{
 		Key:   fifo.StockableKeyProjectFlockPopulation,
 		Table: "project_flock_populations",

internal/modules/production/chickins/services/chickin.service.go

@@ -112,7 +112,6 @@ func (s chickinService) GetOne(c *fiber.Ctx, id uint) (*entity.ProjectChickin, e
 		return nil, fiber.NewError(fiber.StatusNotFound, "Chickin not found")
 	}
 	if err != nil {
-		s.Log.Errorf("Failed get chickin by id: %+v", err)
 		return nil, err
 	}
 	return chickin, nil
@@ -143,7 +142,9 @@ func (s *chickinService) CreateOne(c *fiber.Ctx, req *validation.Create) ([]enti
 
 	for idx, chickinReq := range req.ChickinRequests {
 
-		productWarehouse, err := s.ProductWarehouseRepo.GetByID(c.Context(), chickinReq.ProductWarehouseId, nil)
+		productWarehouse, err := s.ProductWarehouseRepo.GetByID(c.Context(), chickinReq.ProductWarehouseId, func(db *gorm.DB) *gorm.DB {
+			return db.Preload("Product.Flags")
+		})
 		if err != nil {
 			return nil, fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("Product warehouse %d not found", chickinReq.ProductWarehouseId))
 		}
@@ -156,22 +157,27 @@ func (s *chickinService) CreateOne(c *fiber.Ctx, req *validation.Create) ([]enti
 			return nil, fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Product warehouse %d belongs to different flock. Only product warehouses with project_flock_kandang_id = NULL or = %d can be used", chickinReq.ProductWarehouseId, req.ProjectFlockKandangId))
 		}
 
-		// CRITICAL: Validate product category based on flock category
-		// GROWING: Input DOC, Output PULLET
-		// LAYING: Input PULLET, Output LAYER
 		if productWarehouse.Product.Id != 0 {
-			productCategoryCode := productWarehouse.Product.ProductCategory.Code
-			var allowedCategory string
+
+			var requiredFlag utils.FlagType
 			if projectFlockKandang.ProjectFlock.Category == string(utils.ProjectFlockCategoryGrowing) {
-				allowedCategory = "DOC"
+				requiredFlag = utils.FlagDOC
 			} else if projectFlockKandang.ProjectFlock.Category == string(utils.ProjectFlockCategoryLaying) {
-				allowedCategory = "PULLET"
+				requiredFlag = utils.FlagPullet
 			} else {
 				return nil, fmt.Errorf("invalid flock category for chickin")
 			}
 
-			if productCategoryCode != allowedCategory {
-				return nil, fmt.Errorf("product warehouse %d cannot be used for %s chickin. Only %s products can be used as input (current: %s)", chickinReq.ProductWarehouseId, projectFlockKandang.ProjectFlock.Category, allowedCategory, productCategoryCode)
+			hasRequiredFlag := false
+			for _, flag := range productWarehouse.Product.Flags {
+				if utils.FlagType(flag.Name) == requiredFlag {
+					hasRequiredFlag = true
+					break
+				}
+			}
+
+			if !hasRequiredFlag {
+				return nil, fmt.Errorf("product warehouse %d cannot be used for %s chickin. Product must have %s flag (product ID: %d, warehouse ID: %d)", chickinReq.ProductWarehouseId, projectFlockKandang.ProjectFlock.Category, requiredFlag, productWarehouse.Product.Id, productWarehouse.Id)
 			}
 		}
 
@@ -191,7 +197,18 @@ func (s *chickinService) CreateOne(c *fiber.Ctx, req *validation.Create) ([]enti
 		}
 
 		newChikins = append(newChikins, newChickin)
-		chickinQtyMap[uint(idx)] = productWarehouse.Quantity
+
+		totalPopulationQty, err := s.ProjectflockPopulationRepo.GetTotalQtyByProjectFlockKandangID(c.Context(), req.ProjectFlockKandangId)
+		if err != nil {
+			return nil, fiber.NewError(fiber.StatusInternalServerError, fmt.Sprintf("Failed to get total population quantity for project_flock_kandang %d", req.ProjectFlockKandangId))
+		}
+
+		availableQty := productWarehouse.Quantity - totalPopulationQty
+		if availableQty < 0 {
+			availableQty = 0
+		}
+
+		chickinQtyMap[uint(idx)] = availableQty
 	}
 
 	if len(newChikins) == 0 {

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

@@ -301,7 +301,9 @@ func (s *transferLayingService) CreateOne(c *fiber.Ctx, req *validation.Create)
 
 		}
 
-		for _, targetDetail := range req.TargetKandangs {
+		var firstTargetProductWarehouseID *uint
+
+		for i, targetDetail := range req.TargetKandangs {
 
 			targetPFK, err := s.ProjectFlockKandangRepo.GetByID(c.Context(), targetDetail.ProjectFlockKandangId)
 			if err != nil {
@@ -316,30 +318,40 @@ func (s *transferLayingService) CreateOne(c *fiber.Ctx, req *validation.Create)
 				return fiber.NewError(fiber.StatusInternalServerError, "Failed to get target warehouse")
 			}
 
+			var targetPW entity.ProductWarehouse
+			err = dbTransaction.Where("warehouse_id = ? AND project_flock_kandang_id = ?", targetWarehouse.Id, targetDetail.ProjectFlockKandangId).
+				First(&targetPW).Error
+			if err != nil {
+				if errors.Is(err, gorm.ErrRecordNotFound) {
+					return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("No product warehouse found for target kandang %d in warehouse %d", targetDetail.ProjectFlockKandangId, targetWarehouse.Id))
+				}
+				return fiber.NewError(fiber.StatusInternalServerError, fmt.Sprintf("Failed to get product warehouse for target kandang %d: %v", targetDetail.ProjectFlockKandangId, err))
+			}
+
 			target := entity.LayingTransferTarget{
 				LayingTransferId:            createBody.Id,
 				TargetProjectFlockKandangId: targetDetail.ProjectFlockKandangId,
 				Qty:                         targetDetail.Quantity,
-				ProductWarehouseId:          &targetWarehouse.Id,
+				ProductWarehouseId:          &targetPW.Id,
 			}
 			if err := dbTransaction.Create(&target).Error; err != nil {
 				return fiber.NewError(fiber.StatusInternalServerError, "Failed to create transfer target")
 			}
+
+			if i == 0 {
+				firstTargetProductWarehouseID = &targetPW.Id
+			}
 		}
 
 		// Set DestProductWarehouseID untuk STOCKABLE role (ambil dari target pertama)
-		if len(req.TargetKandangs) > 0 {
-			firstTargetPWID := req.TargetKandangs[0].ProjectFlockKandangId
-			// Cari ProductWarehouse untuk target kandang
-			targetWarehouse, _ := s.WarehouseRepo.GetLatestByKandangID(c.Context(), firstTargetPWID)
-			if targetWarehouse != nil {
-				// Query ProductWarehouse by warehouse and kandang
-				var targetPW entity.ProductWarehouse
-				err := dbTransaction.Where("warehouse_id = ? AND project_flock_kandang_id = ?", targetWarehouse.Id, firstTargetPWID).
-					First(&targetPW).Error
-				if err == nil {
-					createBody.DestProductWarehouseID = &targetPW.Id
-				}
+		if firstTargetProductWarehouseID != nil {
+			createBody.DestProductWarehouseID = firstTargetProductWarehouseID
+
+			// Update DestProductWarehouseID ke database
+			if err := dbTransaction.Model(&entity.LayingTransfer{}).
+				Where("id = ?", createBody.Id).
+				Update("dest_product_warehouse_id", *firstTargetProductWarehouseID).Error; err != nil {
+				return fiber.NewError(fiber.StatusInternalServerError, "Failed to update DestProductWarehouseID")
 			}
 		}
 
@@ -504,11 +516,21 @@ func (s *transferLayingService) UpdateOne(c *fiber.Ctx, req *validation.Update,
 				return fiber.NewError(fiber.StatusInternalServerError, "Failed to get target warehouse")
 			}
 
+			var targetPW entity.ProductWarehouse
+			err = dbTransaction.Where("warehouse_id = ? AND project_flock_kandang_id = ?", targetWarehouse.Id, targetDetail.ProjectFlockKandangId).
+				First(&targetPW).Error
+			if err != nil {
+				if errors.Is(err, gorm.ErrRecordNotFound) {
+					return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("No product warehouse found for target kandang %d in warehouse %d", targetDetail.ProjectFlockKandangId, targetWarehouse.Id))
+				}
+				return fiber.NewError(fiber.StatusInternalServerError, fmt.Sprintf("Failed to get product warehouse for target kandang %d: %v", targetDetail.ProjectFlockKandangId, err))
+			}
+
 			target := entity.LayingTransferTarget{
 				LayingTransferId:            id,
 				TargetProjectFlockKandangId: targetDetail.ProjectFlockKandangId,
 				Qty:                         targetDetail.Quantity,
-				ProductWarehouseId:          &targetWarehouse.Id,
+				ProductWarehouseId:          &targetPW.Id,
 			}
 			if err := dbTransaction.Create(&target).Error; err != nil {
 				return fiber.NewError(fiber.StatusInternalServerError, "Failed to create transfer target")