engine

var (
	ErrSiteMapNotBelongHomeURL = errors.New("sitemap is not belong HomeURL" +
		"(HomeURL Host is not equal sitemap.Domain)")
	ErrIndexURLNotExist    = errors.New("indexURL is not exist in home page")
	ErrVaildHomeURLDomain  = errors.New("valid homeURL domain is rc Domain")
	ErrNotFoundName        = errors.New("cannot found book name by rc")
	ErrNotFoundAuthor      = errors.New("cannot found book author by rc")
	ErrNotFoundIndexURL    = errors.New("connot found book index page url by rc")
	ErrNotFoundChapterURLs = errors.New("connot found book chapter urls by rc")
)