RemiDDD : Command Handler Sample

gistfile1.cs

public class SelectProductCommandHandler : ICommandHandler<SellProductCommand>
	{
		private readonly DbContext _dbcontext;

		public SelectProductCommandHandler(DbContext dbcontext)
		{
			_dbcontext = dbcontext;
		}

		public void Execute(SellProductCommand command)
		{
			Product product = _dbcontext.Set<Product>().Single(p => p.Id == command.ProductId);//load the 
			var order = new Order()
				            {
					            CustomerId = command.CustomerId, 
								ProductId = command.ProductId, 
								Comment = command.SellerComment, 
								Price = product.Price
				            };
			_dbcontext.Set<Order>().Add(order);
			_dbcontext.SaveChanges();
		}
	}