service

type CreateOrderRequest struct {
	CustomerID uuid.UUID
	Amount     decimal.Decimal
}

type SaveApprovedOrderRequest struct {
	CustomerID uuid.UUID
	ID         uuid.UUID
	State      string
	OrderTotal decimal.Decimal
}

type SaveCustomerRequest struct {
	CustomerID  uuid.UUID
	Name        string
	CreditLimit decimal.Decimal
}

type Service interface {
	SaveCustomer(ctx context.Context, req SaveCustomerRequest) error
	SaveApprovedOrder(ctx context.Context, req SaveApprovedOrderRequest) error
	GetOrderHistory(ctx context.Context, id uuid.UUID) (entity.OrderHistory, error)
}