domain

type QRCode struct {
	ID    string
	Index int
}

type QRCodeRepository interface {
	GetQRCodes(ctx context.Context) ([]*QRCode, error)
	IsExistQRCode(ctx context.Context, code *QRCode) bool
	// GenerateQRCodes(ctx context.Context, len int) error
	SaveQRCodes(ctx context.Context, qrs []*QRCode) error
}

type TechBook []byte

type TechBookRepository interface {
	SetTechBookURL(ctx context.Context, techBookURL string) error
	GetTechBookURL(ctx context.Context) (string, error)
	GetTechBook(ctx context.Context) (TechBook, error)
}