service

type AuthService interface {
	VerifyCredential(email string, password string) interface{}
	CreateUser(user dto.RegisterDTO) entity.User
	FindByEmail(email string) entity.User
	IsDuplicateEmail(email string) bool
}

type BookService interface {
	Insert(b dto.BookCreateDTO) entity.Book
	Update(b dto.BookUpdateDTO) entity.Book
	Delete(b entity.Book)
	All() []entity.Book
	FinById(bookID uint64) entity.Book
	IsAllowedToEdit(userID string, bookID uint64) bool
}

type JWTService interface {
	GenerateToken(UserID string) string
	ValidateToken(token string) (*jwt.Token, error)
}

type UserService interface {
	Update(user dto.UserUpdateDTO) entity.User
	Profile(userID string) entity.User
}