service

type Service interface {
	ShortenLink(c echo.Context) error
	GetLongLink(c echo.Context) error
}

type ShortenLinkRequest struct {
	LongLink string `json:"long_link" form:"long_link"`
}

type ShortenLinkResponse struct {
	ShortLink string `json:"short_link,omitempty"`
	Error     error  `json:"error,omitempty"`
}