add feature edit periode project flock

internal/modules/production/project_flocks/services/projectflock.service.go

@@ -1225,12 +1225,34 @@ func (s projectflockService) Resubmit(c *fiber.Ctx, req *validation.Resubmit, id
 		}
 	}
 
+	// Hitung newFlockName sebelum membuka transaksi (fast-path conflict check)
+	var newFlockName string
+	if req.Periode != nil {
+		lastSpace := strings.LastIndex(existing.FlockName, " ")
+		if lastSpace < 0 {
+			return nil, fiber.NewError(fiber.StatusInternalServerError, "Format flock name tidak valid")
+		}
+		baseName := strings.TrimSpace(existing.FlockName[:lastSpace])
+		newFlockName = fmt.Sprintf("%s %03d", baseName, *req.Periode)
+
+		taken, err := s.Repository.ExistsByFlockName(c.Context(), newFlockName, &id)
+		if err != nil {
+			return nil, fiber.NewError(fiber.StatusInternalServerError, "Gagal memeriksa nama flock")
+		}
+		if taken {
+			return nil, fiber.NewError(fiber.StatusConflict,
+				fmt.Sprintf("Nama flock '%s' sudah digunakan oleh project flock lain", newFlockName))
+		}
+	}
+
 	err = s.Repository.DB().WithContext(c.Context()).Transaction(func(dbTransaction *gorm.DB) error {
 
 		approvalSvc := commonSvc.NewApprovalService(commonRepo.NewApprovalRepository(dbTransaction))
 
 		var period int = 1
-		if len(existing.KandangHistory) > 0 {
+		if req.Periode != nil {
+			period = *req.Periode
+		} else if len(existing.KandangHistory) > 0 {
 			period = existing.KandangHistory[0].Period
 		}
 
@@ -1242,6 +1264,40 @@ func (s projectflockService) Resubmit(c *fiber.Ctx, req *validation.Resubmit, id
 		if err := s.attachKandangs(c.Context(), dbTransaction, existing.Id, kandangIDs, periods); err != nil {
 			return err
 		}
+
+		// Update period pada SEMUA row project_flock_kandangs milik flock ini.
+		// attachKandangs hanya INSERT baris baru dan melewati yang sudah ada,
+		// sehingga period pada baris lama tidak terupdate tanpa langkah ini.
+		if req.Periode != nil {
+			if err := dbTransaction.WithContext(c.Context()).
+				Model(&entity.ProjectFlockKandang{}).
+				Where("project_flock_id = ?", existing.Id).
+				Update("period", *req.Periode).Error; err != nil {
+				return fiber.NewError(fiber.StatusInternalServerError, "Gagal memperbarui periode kandang")
+			}
+		}
+
+		// Update flock_name sesuai periode baru.
+		if req.Periode != nil {
+			projectRepoTx := repository.NewProjectflockRepository(dbTransaction)
+
+			// Re-check di dalam transaksi untuk cegah race condition.
+			taken, err := projectRepoTx.ExistsByFlockName(c.Context(), newFlockName, &existing.Id)
+			if err != nil {
+				return fiber.NewError(fiber.StatusInternalServerError, "Gagal memeriksa nama flock")
+			}
+			if taken {
+				return fiber.NewError(fiber.StatusConflict,
+					fmt.Sprintf("Nama flock '%s' sudah digunakan oleh project flock lain", newFlockName))
+			}
+
+			if err := projectRepoTx.PatchOne(c.Context(), existing.Id, map[string]any{
+				"flock_name": newFlockName,
+			}, nil); err != nil {
+				return fiber.NewError(fiber.StatusInternalServerError, "Gagal memperbarui nama flock")
+			}
+		}
+
 		if err := s.UpsertProjectBudget(c.Context(), dbTransaction, existing.Id, req.ProjectBudgets); err != nil {
 			return err
 		}

internal/modules/production/project_flocks/validations/projectflock.validation.go

@@ -40,4 +40,5 @@ type ProjectBudget struct {
 type Resubmit struct {
 	KandangIds     []uint          `json:"kandang_ids" validate:"required_strict,min=1,dive,gt=0"`
 	ProjectBudgets []ProjectBudget `json:"project_budgets" validate:"required_strict,min=1,dive"`
+	Periode        *int            `json:"periode" validate:"omitempty,gt=0"`
 }