user

type M struct {
	ID        int64     `json:"id"`
	FirstName string    `json:"first_name"`
	LastName  string    `json:"last_name"`
	Age       int       `json:"age"`
	UpdatedAt time.Time `json:"updated_at"`
	CreatedAt time.Time `json:"created_at"`
}

type R interface {
	AuditUserByID(model UserID) error
	GetByID(model *M) (M, error)
}

type U interface {
	GetByUserID(id UserID) (M, error)
	AuditUserByID(id UserID) error
}

type UserID = int64