handlers

type ErrorPresenter interface {
	PresentError(
		writer http.ResponseWriter,
		request *http.Request,
		statusCode int,
		err error,
	)
}

type Handler interface {
	http.Handler
}

type Handlers struct {
	LinkRedirectHandler http.Handler
	LinkGettingHandler  http.Handler
	LinkCreatingHandler http.Handler
	StaticFileHandler   http.Handler
}

type LinkCreatingHandler struct {
	LinkCreator    LinkCreator
	LinkPresenter  LinkPresenter
	ErrorPresenter ErrorPresenter
}

type LinkCreatingRequest struct {
	URL string
}

type LinkCreator interface {
	CreateLink(url string) (entities.Link, error)
}

type LinkGetter interface {
	GetLink(code string) (entities.Link, error)
}

type LinkGettingHandler struct {
	LinkGetter     LinkGetter
	LinkPresenter  LinkPresenter
	ErrorPresenter ErrorPresenter
}

type LinkPresenter interface {
	PresentLink(
		writer http.ResponseWriter,
		request *http.Request,
		link entities.Link,
	)
}