122 lines
3.6 KiB
Go
122 lines
3.6 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package repository
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import (
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"context"
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"crypto/md5"
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"fmt"
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"image/png"
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"io"
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"strconv"
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"strings"
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"code.gitea.io/gitea/models/db"
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repo_model "code.gitea.io/gitea/models/repo"
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"code.gitea.io/gitea/modules/avatar"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/storage"
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)
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// UploadAvatar saves custom avatar for repository.
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// FIXME: split uploads to different subdirs in case we have massive number of repos.
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func UploadAvatar(repo *repo_model.Repository, data []byte) error {
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m, err := avatar.Prepare(data)
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if err != nil {
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return err
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}
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newAvatar := fmt.Sprintf("%d-%x", repo.ID, md5.Sum(data))
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if repo.Avatar == newAvatar { // upload the same picture
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return nil
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}
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ctx, committer, err := db.TxContext()
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if err != nil {
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return err
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}
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defer committer.Close()
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oldAvatarPath := repo.CustomAvatarRelativePath()
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// Users can upload the same image to other repo - prefix it with ID
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// Then repo will be removed - only it avatar file will be removed
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repo.Avatar = newAvatar
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if err := repo_model.UpdateRepositoryCols(ctx, repo, "avatar"); err != nil {
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return fmt.Errorf("UploadAvatar: Update repository avatar: %w", err)
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}
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if err := storage.SaveFrom(storage.RepoAvatars, repo.CustomAvatarRelativePath(), func(w io.Writer) error {
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if err := png.Encode(w, *m); err != nil {
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log.Error("Encode: %v", err)
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}
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return err
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}); err != nil {
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return fmt.Errorf("UploadAvatar %s failed: Failed to remove old repo avatar %s: %w", repo.RepoPath(), newAvatar, err)
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}
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if len(oldAvatarPath) > 0 {
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if err := storage.RepoAvatars.Delete(oldAvatarPath); err != nil {
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return fmt.Errorf("UploadAvatar: Failed to remove old repo avatar %s: %w", oldAvatarPath, err)
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}
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}
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return committer.Commit()
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}
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// DeleteAvatar deletes the repos's custom avatar.
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func DeleteAvatar(repo *repo_model.Repository) error {
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// Avatar not exists
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if len(repo.Avatar) == 0 {
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return nil
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}
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avatarPath := repo.CustomAvatarRelativePath()
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log.Trace("DeleteAvatar[%d]: %s", repo.ID, avatarPath)
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ctx, committer, err := db.TxContext()
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if err != nil {
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return err
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}
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defer committer.Close()
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repo.Avatar = ""
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if err := repo_model.UpdateRepositoryCols(ctx, repo, "avatar"); err != nil {
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return fmt.Errorf("DeleteAvatar: Update repository avatar: %w", err)
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}
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if err := storage.RepoAvatars.Delete(avatarPath); err != nil {
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return fmt.Errorf("DeleteAvatar: Failed to remove %s: %w", avatarPath, err)
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}
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return committer.Commit()
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}
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// RemoveRandomAvatars removes the randomly generated avatars that were created for repositories
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func RemoveRandomAvatars(ctx context.Context) error {
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return db.Iterate(ctx, nil, func(ctx context.Context, repository *repo_model.Repository) error {
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select {
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case <-ctx.Done():
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return db.ErrCancelledf("before random avatars removed for %s", repository.FullName())
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default:
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}
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stringifiedID := strconv.FormatInt(repository.ID, 10)
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if repository.Avatar == stringifiedID {
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return DeleteAvatar(repository)
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}
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return nil
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})
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}
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// generateAvatar generates the avatar from a template repository
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func generateAvatar(ctx context.Context, templateRepo, generateRepo *repo_model.Repository) error {
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generateRepo.Avatar = strings.Replace(templateRepo.Avatar, strconv.FormatInt(templateRepo.ID, 10), strconv.FormatInt(generateRepo.ID, 10), 1)
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if _, err := storage.Copy(storage.RepoAvatars, generateRepo.CustomAvatarRelativePath(), storage.RepoAvatars, templateRepo.CustomAvatarRelativePath()); err != nil {
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return err
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}
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return repo_model.UpdateRepositoryCols(ctx, generateRepo, "avatar")
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}
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