customers

type Customer struct {
	ID        string    `json:"id"`
	Name      string    `json:"name"`
	Cpf       string    `json:"cpf"`
	Birth     string    `json:"birth"`
	CreatedAt time.Time `json:"createdAt"`
	UpdatedAt time.Time `json:"updatedAt"`
}

type CustomerInterface interface {
	IsValid() (bool, error)
	GetID() string
	GetName() string
	GetCpf() string
	GetBirth() string
}

type CustomerService struct {
	Store CustomerStoreInterface
}

type CustomerServiceInterface interface {
	FindCustomerByCpf(id string) (CustomerInterface, error)
	Create(name, cpf, birth string) (CustomerInterface, error)
}

type CustomerStoreInterface interface {
	FindByCpf(cpf string) (CustomerInterface, error)
	Save(customer CustomerInterface) (CustomerInterface, error)
}