public static bool AddProductScopeIsValid(this OrderItem orderItem, Product product, decimal price, int quantity)
{
return AssertionConcern.IsSatisfiedBy
(
AssertionConcern.AssertIsGreaterOrEqualThan((product.QuantityOnHand - quantity), 0, "Produto fora de estoque: " + product.Title),
AssertionConcern.AssertIsGreaterThan(price, 0, "Preço deve ser maior que zero"),
AssertionConcern.AssertIsGreaterThan(quantity, 0, "Quantidade deve ser maior que zero")
);
}
public Product Create(CreateProductCommand command)
{
var product = new Product(command.Title, command.Description, command.Price, command.QuantityOnHand, command.CategoryId, command.Image);
product.Register();
_repository.Create(product);
if (Commit())
return product;
return null;
}
public void AddProduct(Product product, int quantity, decimal price)
{
if (!this.AddProductScopeIsValid(product, price, quantity))
return;
this.ProductId = product.Id;
this.Product = product;
this.Quantity = quantity;
this.Price = price;
// Reserva o estoque
this.Product.UpdateQuantityOnHand(this.Product.QuantityOnHand - quantity);
}
public void Update(Product product)
{
_context.Entry<Product>(product).State = EntityState.Modified;
}
public void Delete(Product product)
{
_context.Products.Remove(product);
}
public void Create(Product product)
{
_context.Products.Add(product);
}
