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forgejo/models/user_avatar.go
Lunny Xiao baed01f247
Remove unnecessary attributes of User struct (#17745)
* Remove unnecessary functions of User struct

* Move more database methods out of user struct

* Move more database methods out of user struct

* Fix template failure

* Fix bug

* Remove finished FIXME

* remove unnecessary code
2021-11-22 23:21:55 +08:00

111 lines
2.9 KiB
Go

// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package models
import (
"crypto/md5"
"fmt"
"image/png"
"io"
"strings"
"code.gitea.io/gitea/models/avatars"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/modules/avatar"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/storage"
)
// CustomAvatarRelativePath returns user custom avatar relative path.
func (u *User) CustomAvatarRelativePath() string {
return u.Avatar
}
// GenerateRandomAvatar generates a random avatar for user.
func GenerateRandomAvatar(u *User) error {
return generateRandomAvatar(db.GetEngine(db.DefaultContext), u)
}
func generateRandomAvatar(e db.Engine, u *User) error {
seed := u.Email
if len(seed) == 0 {
seed = u.Name
}
img, err := avatar.RandomImage([]byte(seed))
if err != nil {
return fmt.Errorf("RandomImage: %v", err)
}
u.Avatar = avatars.HashEmail(seed)
// Don't share the images so that we can delete them easily
if err := storage.SaveFrom(storage.Avatars, u.CustomAvatarRelativePath(), func(w io.Writer) error {
if err := png.Encode(w, img); err != nil {
log.Error("Encode: %v", err)
}
return err
}); err != nil {
return fmt.Errorf("Failed to create dir %s: %v", u.CustomAvatarRelativePath(), err)
}
if _, err := e.ID(u.ID).Cols("avatar").Update(u); err != nil {
return err
}
log.Info("New random avatar created: %d", u.ID)
return nil
}
// AvatarLinkWithSize returns a link to the user's avatar with size. size <= 0 means default size
func (u *User) AvatarLinkWithSize(size int) string {
if u.ID == -1 {
// ghost user
return avatars.DefaultAvatarLink()
}
useLocalAvatar := false
autoGenerateAvatar := false
switch {
case u.UseCustomAvatar:
useLocalAvatar = true
case setting.DisableGravatar, setting.OfflineMode:
useLocalAvatar = true
autoGenerateAvatar = true
}
if useLocalAvatar {
if u.Avatar == "" && autoGenerateAvatar {
if err := GenerateRandomAvatar(u); err != nil {
log.Error("GenerateRandomAvatar: %v", err)
}
}
if u.Avatar == "" {
return avatars.DefaultAvatarLink()
}
return avatars.GenerateUserAvatarImageLink(u.Avatar, size)
}
return avatars.GenerateEmailAvatarFastLink(u.AvatarEmail, size)
}
// AvatarLink returns the full avatar link with http host
func (u *User) AvatarLink() string {
link := u.AvatarLinkWithSize(0)
if !strings.HasPrefix(link, "//") && !strings.Contains(link, "://") {
return setting.AppURL + strings.TrimPrefix(link, setting.AppSubURL+"/")
}
return link
}
// IsUploadAvatarChanged returns true if the current user's avatar would be changed with the provided data
func (u *User) IsUploadAvatarChanged(data []byte) bool {
if !u.UseCustomAvatar || len(u.Avatar) == 0 {
return true
}
avatarID := fmt.Sprintf("%x", md5.Sum([]byte(fmt.Sprintf("%d-%x", u.ID, md5.Sum(data)))))
return u.Avatar != avatarID
}