shortener

Documentation

Overview

Package shortener contains business-logic for url shortening.

Index

• Variables
• type Service
  • func NewService() Service
  • func (s Service) RetrieveURL(short string) (long string, err error)
  • func (s Service) ShortenURL(long string) (short string, err error)

Variables

var (
	// ErrorURLNotFound is returned if given URL is not found in storage.
	ErrorURLNotFound = errors.New("url not found")
)

Types

type Service

type Service struct {
	// contains filtered or unexported fields
}

Service provides functionality for URL storing and retrieving.

func NewService

func NewService() Service

NewService returns new service instance with in-memory storage.

func (Service) RetrieveURL

func (s Service) RetrieveURL(short string) (long string, err error)

RetrieveURL returns full url by given short key. Returns ErrorURLNotFound if nothing exists.

func (Service) ShortenURL

func (s Service) ShortenURL(long string) (short string, err error)

ShortenURL accepts full URL and returns corresponding short key.