feat/BE/US-278/TASK-288,289-adjust schema database,Create trigger in expense module, add filter in warehouse linked to project flock, and implement fifo system

internal/modules/production/recordings/module.go

@@ -39,7 +39,7 @@ func (RecordingModule) RegisterRoutes(router fiber.Router, db *gorm.DB, validate
 			ProductWarehouseID: "product_warehouse_id",
 			UsageQuantity:      "usage_qty",
 			PendingQuantity:    "pending_qty",
-			CreatedAt:          "created_at",
+			CreatedAt:          "id",
 		},
 	}); err != nil {
 		if !strings.Contains(strings.ToLower(err.Error()), "already registered") {

internal/modules/purchases/module.go

@@ -21,6 +21,7 @@ import (
 	rUser "gitlab.com/mbugroup/lti-api.git/internal/modules/users/repositories"
 	sUser "gitlab.com/mbugroup/lti-api.git/internal/modules/users/services"
 	utils "gitlab.com/mbugroup/lti-api.git/internal/utils"
+	"gitlab.com/mbugroup/lti-api.git/internal/utils/fifo"
 	"gorm.io/gorm"
 )
 
@@ -36,6 +37,7 @@ func (PurchaseModule) RegisterRoutes(router fiber.Router, db *gorm.DB, validate
 	expenseRepository := expenseRepo.NewExpenseRepository(db)
 	expenseRealizationRepo := expenseRepo.NewExpenseRealizationRepository(db)
 	projectFlockKandangRepository := projectFlockKandangRepo.NewProjectFlockKandangRepository(db)
+	stockAllocRepo := commonRepo.NewStockAllocationRepository(db)
 
 	approvalRepo := commonRepo.NewApprovalRepository(db)
 	approvalService := commonSvc.NewApprovalService(approvalRepo)
@@ -61,6 +63,20 @@ func (PurchaseModule) RegisterRoutes(router fiber.Router, db *gorm.DB, validate
 		expenseServiceInstance,
 	)
 
+	fifoService := commonSvc.NewFifoService(db, stockAllocRepo, productWarehouseRepo, utils.Log)
+	_ = fifoService.RegisterStockable(fifo.StockableConfig{
+		Key:   fifo.StockableKey("PURCHASE_ITEMS"),
+		Table: "purchase_items",
+		Columns: fifo.StockableColumns{
+			ID:                 "id",
+			ProductWarehouseID: "product_warehouse_id",
+			TotalQuantity:      "total_qty",
+			TotalUsedQuantity:  "total_used",
+			CreatedAt:          "id",
+		},
+		OrderBy: []string{"id ASC"},
+	})
+
 	purchaseService := service.NewPurchaseService(
 		validate,
 		purchaseRepo,
@@ -71,6 +87,7 @@ func (PurchaseModule) RegisterRoutes(router fiber.Router, db *gorm.DB, validate
 		projectFlockKandangRepository,
 		approvalService,
 		expenseBridge,
+		fifoService,
 	)
 
 	userRepo := rUser.NewUserRepository(db)

internal/modules/purchases/services/purchase.service.go

@@ -21,6 +21,7 @@ import (
 	validation "gitlab.com/mbugroup/lti-api.git/internal/modules/purchases/validations"
 	"gitlab.com/mbugroup/lti-api.git/internal/utils"
 	approvalutils "gitlab.com/mbugroup/lti-api.git/internal/utils/approvals"
+	"gitlab.com/mbugroup/lti-api.git/internal/utils/fifo"
 
 	"github.com/go-playground/validator/v10"
 	"github.com/gofiber/fiber/v2"
@@ -40,7 +41,8 @@ type PurchaseService interface {
 }
 
 const (
-	priceTolerance = 0.0001
+	priceTolerance       = 0.0001
+	purchaseStockableKey = fifo.StockableKey("PURCHASE_ITEMS")
 )
 
 type purchaseService struct {
@@ -54,6 +56,7 @@ type purchaseService struct {
 	ProjectFlockKandangRepo projectFlockKandangRepo.ProjectFlockKandangRepository
 	ApprovalSvc             commonSvc.ApprovalService
 	ExpenseBridge           PurchaseExpenseBridge
+	FifoSvc                 commonSvc.FifoService
 	approvalWorkflow        approvalutils.ApprovalWorkflowKey
 }
 
@@ -72,6 +75,7 @@ func NewPurchaseService(
 	projectFlockKandangRepo projectFlockKandangRepo.ProjectFlockKandangRepository,
 	approvalSvc commonSvc.ApprovalService,
 	expenseBridge PurchaseExpenseBridge,
+	fifoSvc commonSvc.FifoService,
 ) PurchaseService {
 	return &purchaseService{
 		Log:                     utils.Log,
@@ -84,6 +88,7 @@ func NewPurchaseService(
 		ProjectFlockKandangRepo: projectFlockKandangRepo,
 		ApprovalSvc:             approvalSvc,
 		ExpenseBridge:           expenseBridge,
+		FifoSvc:                 fifoSvc,
 		approvalWorkflow:        utils.ApprovalWorkflowPurchase,
 	}
 }
@@ -712,6 +717,9 @@ func (s *purchaseService) ReceiveProducts(c *fiber.Ctx, id uint, req *validation
 		if warehouseID == 0 {
 			return nil, fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Warehouse must be specified for item %d", payload.PurchaseItemID))
 		}
+		if payload.WarehouseID != nil && uint(item.WarehouseId) != warehouseID {
+			return nil, fiber.NewError(fiber.StatusBadRequest, "Receiving does not allow changing warehouse")
+		}
 
 		var receivedQty float64
 		if payload.ReceivedQty != nil {
@@ -798,6 +806,11 @@ func (s *purchaseService) ReceiveProducts(c *fiber.Ctx, id uint, req *validation
 		deltas := make(map[uint]float64)
 		affected := make(map[uint]struct{})
 		updates := make([]rPurchase.PurchaseReceivingUpdate, 0, len(prepared))
+		fifoAdds := make([]struct {
+			itemID uint
+			pwID   uint
+			qty    float64
+		}, 0, len(prepared))
 
 		for _, prep := range prepared {
 			item := prep.item
@@ -811,21 +824,29 @@ func (s *purchaseService) ReceiveProducts(c *fiber.Ctx, id uint, req *validation
 			var newPWID *uint
 			clearPW := false
 
+			// Always ensure PW when qty > 0 so stockable has target.
 			if prep.receivedQty > 0 {
 				pwID, err := pwRepoTx.EnsureProductWarehouse(c.Context(), uint(item.ProductId), prep.warehouseID, purchase.CreatedBy)
 				if err != nil {
 					return err
 				}
 				newPWID = &pwID
-				deltas[pwID] += prep.receivedQty
-				affected[pwID] = struct{}{}
-			} else {
+			} else if oldPWID != nil {
+				newPWID = oldPWID
 				clearPW = true
 			}
 
-			if oldPWID != nil {
-				deltas[*oldPWID] -= item.TotalQty
-				affected[*oldPWID] = struct{}{}
+			deltaQty := prep.receivedQty - item.TotalQty
+			switch {
+			case deltaQty > 0 && newPWID != nil:
+				fifoAdds = append(fifoAdds, struct {
+					itemID uint
+					pwID   uint
+					qty    float64
+				}{itemID: item.Id, pwID: *newPWID, qty: deltaQty})
+			case deltaQty < 0 && newPWID != nil:
+				deltas[*newPWID] += deltaQty // negative
+				affected[*newPWID] = struct{}{}
 			}
 
 			dateCopy := prep.receivedDate
@@ -861,6 +882,23 @@ func (s *purchaseService) ReceiveProducts(c *fiber.Ctx, id uint, req *validation
 			return err
 		}
 
+		if s.FifoSvc != nil {
+			for _, adj := range fifoAdds {
+				if adj.pwID == 0 || adj.qty <= 0 {
+					continue
+				}
+				if _, err := s.FifoSvc.Replenish(c.Context(), commonSvc.StockReplenishRequest{
+					StockableKey:       purchaseStockableKey,
+					StockableID:        adj.itemID,
+					ProductWarehouseID: adj.pwID,
+					Quantity:           adj.qty,
+					Tx:                 tx,
+				}); err != nil {
+					return err
+				}
+			}
+		}
+
 		return nil
 	})
 	if transactionErr != nil {