コード例 #1
0
        public async Task <DishContaining> DeleteDishContaining(int dishContainingId)
        {
            DishContaining dbEntry = dbContext.DishContainings.Find(dishContainingId);

            if (dbEntry == null)
            {
                throw new InvalidOperationException("Dish containing not found");
            }
            dbContext.DishContainings.Remove(dbEntry);

            await dbContext.SaveChangesAsync();

            return(dbEntry);
        }
コード例 #2
0
        public async Task <int> SaveDishContaining(DishContaining dishContaining)
        {
            if (dishContaining == null)
            {
                throw new ArgumentNullException(nameof(dishContaining), "Parameter is null");
            }
            if (dishContaining.Id == 0)
            {
                dbContext.DishContainings.Add(dishContaining);
            }
            else
            {
                DishContaining dbEntry = dbContext.DishContainings.Find(dishContaining.Id);
                if (dbEntry == null)
                {
                    throw new InvalidOperationException("Dish containing not found");
                }
                dbEntry.Quantity = dishContaining.Quantity;
            }

            await dbContext.SaveChangesAsync();

            return(dishContaining.Id);
        }