avatar

Documentation

Overview

It is recommend to use this way

cacheDir := "./cache"
defaultImg := "./default.jpg"
http.Handle("/avatar/", avatar.CacheServer(cacheDir, defaultImg))

Index

• func CacheServer(cacheDir string, defaultImgPath string) http.Handler
• func HashEmail(email string) string
• func RandomImage(data []byte) (image.Image, error)
• func UpdateGravatarSource()
• type Avatar
  • func New(hash string, cacheDir string) *Avatar
  • func (this *Avatar) Encode(wr io.Writer, size int) (err error)
  • func (this *Avatar) Expired() bool
  • func (this *Avatar) HasCache() bool
  • func (this *Avatar) Modtime() (modtime time.Time, err error)
  • func (this *Avatar) Update()
  • func (this *Avatar) UpdateTimeout(timeout time.Duration) (err error)
• type Thunder
  • func (t *Thunder) Fetch(url string, saveFile string) error
  • func (t *Thunder) GoFetch(url, saveFile string) chan error

Functions

func CacheServer

func CacheServer(cacheDir string, defaultImgPath string) http.Handler

http.Handle("/avatar/", avatar.CacheServer("./cache"))

func HashEmail

func HashEmail(email string) string

hash email to md5 string keep this func in order to make this package independent

func RandomImage

func RandomImage(data []byte) (image.Image, error)

RandomImage generates and returns a random avatar image.

func UpdateGravatarSource

func UpdateGravatarSource()

Types

type Avatar

type Avatar struct {
	Hash       string
	AlterImage string // image path
	// contains filtered or unexported fields
}

Avatar represents the avatar object.

func New

func New(hash string, cacheDir string) *Avatar

func (*Avatar) Encode

func (this *Avatar) Encode(wr io.Writer, size int) (err error)

default image format: jpeg

func (*Avatar) Expired

func (this *Avatar) Expired() bool

func (*Avatar) HasCache

func (this *Avatar) HasCache() bool

func (*Avatar) Modtime

func (this *Avatar) Modtime() (modtime time.Time, err error)

func (*Avatar) Update

func (this *Avatar) Update()

get image from gravatar.com

func (*Avatar) UpdateTimeout

func (this *Avatar) UpdateTimeout(timeout time.Duration) (err error)

type Thunder

type Thunder struct {
	QueueSize int // download queue size
	// contains filtered or unexported fields
}

func (*Thunder) Fetch

func (t *Thunder) Fetch(url string, saveFile string) error

func (*Thunder) GoFetch

func (t *Thunder) GoFetch(url, saveFile string) chan error