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);
}
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);
}