public async Task <ICommandResult> Handle(UpdateProductPriceCommand command)
{
command.Validate();
if (command.Invalid)
{
AddNotifications(command);
return(new CommandResult(false, "Dados de entrada in válidos.", this));
}
var product = _productRepository.GetById(command.Id);
if (product == null)
{
AddNotification("Produto", "Produto não cadastrado");
return(new CommandResult(false, "Produto não cadastrado.", null));
}
if (command.TypeOperation == TypeOperation.Acrescimo)
{
product.SetIncreasePrice(command.Percent);
}
else
{
product.SetDiscontPrice(command.Percent);
}
if (product.Price <= 0)
{
AddNotification("Produto.Preço", "O valor da porcentagem gerou um valor de produto menor ou igual a 0");
}
// Checar as notificações
if (Invalid)
{
return(new CommandResult(false, "Não foi possível realizar a alteração do preço", this));
}
// Salvar as Informações
_productRepository.Edit(product);
// Retornar informações
return(new CommandResult(true, "Alteração realizada com sucesso!", product));
}
public async Task <IProcessResult> Put(UpdateProductPriceCommand command) => await mediator.Send(command);
public async Task <IActionResult> UpdatePrice([FromBody] UpdateProductPriceCommand command, [FromServices] ProductHandler handler)
{
return(ResponseAsync(handler.Handle(command).Result as CommandResult));
}
static async Task Main(string[] args)
{
// create and configure the service container
IServiceCollection serviceCollection = ConfigureServices();
// build the service provider
IServiceProvider serviceProvider = serviceCollection.BuildServiceProvider();
IUnitOfWork uow = serviceProvider.GetService <IUnitOfWork>();
// get all users
var users = await uow.GetUserRepository().GetAllAsync();
PrintUsers(users);
// get all products
var prods = await uow.GetProductRepository().GetAllAsync();
PrintProducts(prods);
Command cmd;
Command saveCommand = new SaveCommand(uow);
// create carts for users[0] & users[1]
cmd = new CreateCartCommand(users[0]);
cmd.Execute();
cmd = new CreateCartCommand(users[1]);
cmd.Execute();
var cart1 = users[0].Carts.Last();
var cart2 = users[1].Carts.Last();
saveCommand.Execute();
// some operation on npaul's cart
cmd = new AddProductToCartCommand(cart1, prods[0], 5);
cmd.Execute();
cmd = new AddProductToCartCommand(cart1, prods[1], 3);
cmd.Execute();
cmd = new UpdateCartItemQuantityCommand(cart1, prods[0], 6);
cmd.Execute();
saveCommand.Execute();
PrintCart(cart1);
// some operation on jdoe's cart
cmd = new AddProductToCartCommand(cart2, prods[0], 1);
cmd.Execute();
cmd = new AddProductToCartCommand(cart2, prods[1], 3);
cmd.Execute();
cmd = new AddProductToCartCommand(cart2, prods[2], 2);
cmd.Execute();
cmd = new AddProductToCartCommand(cart2, prods[3], 2);
cmd.Execute();
saveCommand.Execute();
PrintCart(cart2);
cmd = new UpdateProductPriceCommand(prods[1], 15);
cmd.Execute();
saveCommand.Execute();
PrintCart(cart1);
PrintCart(cart2);
// cleaning
cmd = new DeleteCartCommand(cart1, uow.GetCartRepository());
cmd.Execute();
cmd = new DeleteCartCommand(cart2, uow.GetCartRepository());
cmd.Execute();
saveCommand.Execute();
cmd = new UpdateProductPriceCommand(prods[1], 17.50);
cmd.Execute();
saveCommand.Execute();
}
