实现修改原料营养信息

internal/infra/repository/raw_material_repository.go

@@ -26,6 +26,8 @@ type RawMaterialRepository interface {
 	ListRawMaterials(ctx context.Context, opts RawMaterialListOptions, page, pageSize int) ([]models.RawMaterial, int64, error)
 	UpdateRawMaterial(ctx context.Context, rawMaterial *models.RawMaterial) error
 	DeleteRawMaterial(ctx context.Context, id uint32) error
+	DeleteNutrientsByRawMaterialIDTx(ctx context.Context, db *gorm.DB, rawMaterialID uint32) error
+	CreateBatchRawMaterialNutrientsTx(ctx context.Context, db *gorm.DB, nutrients []models.RawMaterialNutrient) error
 
 	// 库存日志相关方法
 	CreateRawMaterialStockLog(ctx context.Context, log *models.RawMaterialStockLog) error
@@ -162,6 +164,30 @@ func (r *gormRawMaterialRepository) DeleteRawMaterial(ctx context.Context, id ui
 	})
 }
 
+// DeleteNutrientsByRawMaterialIDTx 在事务中软删除指定原料的所有营养成分
+func (r *gormRawMaterialRepository) DeleteNutrientsByRawMaterialIDTx(ctx context.Context, db *gorm.DB, rawMaterialID uint32) error {
+	repoCtx := logs.AddFuncName(ctx, r.ctx, "DeleteNutrientsByRawMaterialIDTx")
+	tx := db.WithContext(repoCtx)
+	if err := tx.Where("raw_material_id = ?", rawMaterialID).Delete(&models.RawMaterialNutrient{}).Error; err != nil {
+		return fmt.Errorf("软删除原料营养成分失败: %w", err)
+	}
+	return nil
+}
+
+// CreateBatchRawMaterialNutrientsTx 在事务中批量创建原料营养成分
+func (r *gormRawMaterialRepository) CreateBatchRawMaterialNutrientsTx(ctx context.Context, db *gorm.DB, nutrients []models.RawMaterialNutrient) error {
+	// 如果没有要创建的记录，直接返回成功，避免执行空的Create语句
+	if len(nutrients) == 0 {
+		return nil
+	}
+	repoCtx := logs.AddFuncName(ctx, r.ctx, "CreateBatchRawMaterialNutrientsTx")
+	tx := db.WithContext(repoCtx)
+	if err := tx.Create(&nutrients).Error; err != nil {
+		return fmt.Errorf("批量创建原料营养成分失败: %w", err)
+	}
+	return nil
+}
+
 // CreateRawMaterialStockLog 创建一条新的原料库存日志
 func (r *gormRawMaterialRepository) CreateRawMaterialStockLog(ctx context.Context, log *models.RawMaterialStockLog) error {
 	repoCtx := logs.AddFuncName(ctx, r.ctx, "CreateRawMaterialStockLog")