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69 lines
1.6 KiB
69 lines
1.6 KiB
// Copyright 2019 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 migrations
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import (
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"path"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/util"
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"xorm.io/xorm"
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)
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func deleteOrphanedAttachments(x *xorm.Engine) error {
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type Attachment struct {
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ID int64 `xorm:"pk autoincr"`
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UUID string `xorm:"uuid UNIQUE"`
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IssueID int64 `xorm:"INDEX"`
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ReleaseID int64 `xorm:"INDEX"`
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CommentID int64
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}
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// AttachmentLocalPath returns where attachment is stored in local file
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// system based on given UUID.
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AttachmentLocalPath := func(uuid string) string {
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return path.Join(setting.AttachmentPath, uuid[0:1], uuid[1:2], uuid)
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}
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sess := x.NewSession()
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defer sess.Close()
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var limit = setting.Database.IterateBufferSize
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if limit <= 0 {
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limit = 50
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}
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for {
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attachements := make([]Attachment, 0, limit)
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if err := sess.Where("`issue_id` = 0 and (`release_id` = 0 or `release_id` not in (select `id` from `release`))").
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Cols("id, uuid").Limit(limit).
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Asc("id").
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Find(&attachements); err != nil {
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return err
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}
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if len(attachements) == 0 {
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return nil
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}
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var ids = make([]int64, 0, limit)
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for _, attachment := range attachements {
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ids = append(ids, attachment.ID)
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}
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if _, err := sess.In("id", ids).Delete(new(Attachment)); err != nil {
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return err
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}
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for _, attachment := range attachements {
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if err := util.RemoveAll(AttachmentLocalPath(attachment.UUID)); err != nil {
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return err
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}
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}
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if len(attachements) < limit {
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return nil
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}
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}
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}
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