application

type Product struct {
	ID     string  `valid:"uuidv4"`
	Name   string  `valid:"required"`
	Price  float64 `valid:"float,optional"`
	Status string  `valid:"required"`
}

type ProductInterface interface {
	IsValid() (bool, error)
	Enable() error
	Disable() error
	GetID() string
	GetName() string
	GetStatus() string
	GetPrice() float64
}

type ProductPersistenceInterface interface {
	ProductReader
	ProductWriter
}

type ProductReader interface {
	Get(id string) (ProductInterface, error)
}

type ProductService struct {
	Persistence ProductPersistenceInterface
}

type ProductServiceInterface interface {
	Get(id string) (ProductInterface, error)
	Create(name string, price float64) (ProductInterface, error)
	Enable(product ProductInterface) (ProductInterface, error)
	Disable(product ProductInterface) (ProductInterface, error)
}

type ProductWriter interface {
	Save(product ProductInterface) (ProductInterface, error)
}