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gitea/models/repo/avatar.go
Lunny Xiao 719bddcd76
Move repository model into models/repo (#17933)
* Some refactors related repository model

* Move more methods out of repository

* Move repository into models/repo

* Fix test

* Fix test

* some improvements

* Remove unnecessary function
2021-12-10 09:27:50 +08:00

95 lines
2.7 KiB
Go

// Copyright 2021 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 repo
import (
"fmt"
"image/png"
"io"
"net/url"
"strings"
"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 repository custom avatar file path.
func (repo *Repository) CustomAvatarRelativePath() string {
return repo.Avatar
}
// RelAvatarLink returns a relative link to the repository's avatar.
func (repo *Repository) RelAvatarLink() string {
return repo.relAvatarLink(db.GetEngine(db.DefaultContext))
}
// generateRandomAvatar generates a random avatar for repository.
func generateRandomAvatar(e db.Engine, repo *Repository) error {
idToString := fmt.Sprintf("%d", repo.ID)
seed := idToString
img, err := avatar.RandomImage([]byte(seed))
if err != nil {
return fmt.Errorf("RandomImage: %v", err)
}
repo.Avatar = idToString
if err := storage.SaveFrom(storage.RepoAvatars, repo.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", repo.CustomAvatarRelativePath(), err)
}
log.Info("New random avatar created for repository: %d", repo.ID)
if _, err := e.ID(repo.ID).Cols("avatar").NoAutoTime().Update(repo); err != nil {
return err
}
return nil
}
func (repo *Repository) relAvatarLink(e db.Engine) string {
// If no avatar - path is empty
avatarPath := repo.CustomAvatarRelativePath()
if len(avatarPath) == 0 {
switch mode := setting.RepoAvatar.Fallback; mode {
case "image":
return setting.RepoAvatar.FallbackImage
case "random":
if err := generateRandomAvatar(e, repo); err != nil {
log.Error("generateRandomAvatar: %v", err)
}
default:
// default behaviour: do not display avatar
return ""
}
}
return setting.AppSubURL + "/repo-avatars/" + url.PathEscape(repo.Avatar)
}
// AvatarLink returns a link to the repository's avatar.
func (repo *Repository) AvatarLink() string {
return repo.avatarLink(db.GetEngine(db.DefaultContext))
}
// avatarLink returns user avatar absolute link.
func (repo *Repository) avatarLink(e db.Engine) string {
link := repo.relAvatarLink(e)
// we only prepend our AppURL to our known (relative, internal) avatar link to get an absolute URL
if strings.HasPrefix(link, "/") && !strings.HasPrefix(link, "//") {
return setting.AppURL + strings.TrimPrefix(link, setting.AppSubURL)[1:]
}
// otherwise, return the link as it is
return link
}