246 lines
8.3 KiB
Go
246 lines
8.3 KiB
Go
// Copyright 2017 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 repo
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import (
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"context"
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"fmt"
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"net/url"
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"path"
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"code.gitea.io/gitea/models/db"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/storage"
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"code.gitea.io/gitea/modules/timeutil"
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"code.gitea.io/gitea/modules/util"
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)
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// Attachment represent a attachment of issue/comment/release.
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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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RepoID int64 `xorm:"INDEX"` // this should not be zero
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IssueID int64 `xorm:"INDEX"` // maybe zero when creating
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ReleaseID int64 `xorm:"INDEX"` // maybe zero when creating
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UploaderID int64 `xorm:"INDEX DEFAULT 0"` // Notice: will be zero before this column added
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CommentID int64
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Name string
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DownloadCount int64 `xorm:"DEFAULT 0"`
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Size int64 `xorm:"DEFAULT 0"`
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CreatedUnix timeutil.TimeStamp `xorm:"created"`
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}
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func init() {
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db.RegisterModel(new(Attachment))
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}
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// IncreaseDownloadCount is update download count + 1
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func (a *Attachment) IncreaseDownloadCount() error {
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// Update download count.
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if _, err := db.GetEngine(db.DefaultContext).Exec("UPDATE `attachment` SET download_count=download_count+1 WHERE id=?", a.ID); err != nil {
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return fmt.Errorf("increase attachment count: %w", err)
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}
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return nil
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}
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// AttachmentRelativePath returns the relative path
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func AttachmentRelativePath(uuid string) string {
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return path.Join(uuid[0:1], uuid[1:2], uuid)
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}
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// RelativePath returns the relative path of the attachment
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func (a *Attachment) RelativePath() string {
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return AttachmentRelativePath(a.UUID)
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}
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// DownloadURL returns the download url of the attached file
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func (a *Attachment) DownloadURL() string {
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return setting.AppURL + "attachments/" + url.PathEscape(a.UUID)
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}
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// _____ __ __ .__ __
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// / _ \_/ |__/ |______ ____ | |__ _____ ____ _____/ |_
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// / /_\ \ __\ __\__ \ _/ ___\| | \ / \_/ __ \ / \ __\
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// / | \ | | | / __ \\ \___| Y \ Y Y \ ___/| | \ |
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// \____|__ /__| |__| (____ /\___ >___| /__|_| /\___ >___| /__|
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// \/ \/ \/ \/ \/ \/ \/
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// ErrAttachmentNotExist represents a "AttachmentNotExist" kind of error.
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type ErrAttachmentNotExist struct {
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ID int64
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UUID string
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}
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// IsErrAttachmentNotExist checks if an error is a ErrAttachmentNotExist.
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func IsErrAttachmentNotExist(err error) bool {
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_, ok := err.(ErrAttachmentNotExist)
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return ok
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}
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func (err ErrAttachmentNotExist) Error() string {
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return fmt.Sprintf("attachment does not exist [id: %d, uuid: %s]", err.ID, err.UUID)
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}
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func (err ErrAttachmentNotExist) Unwrap() error {
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return util.ErrNotExist
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}
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// GetAttachmentByID returns attachment by given id
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func GetAttachmentByID(ctx context.Context, id int64) (*Attachment, error) {
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attach := &Attachment{}
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if has, err := db.GetEngine(ctx).ID(id).Get(attach); err != nil {
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return nil, err
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} else if !has {
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return nil, ErrAttachmentNotExist{ID: id, UUID: ""}
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}
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return attach, nil
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}
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// GetAttachmentByUUID returns attachment by given UUID.
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func GetAttachmentByUUID(ctx context.Context, uuid string) (*Attachment, error) {
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attach := &Attachment{}
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has, err := db.GetEngine(ctx).Where("uuid=?", uuid).Get(attach)
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if err != nil {
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return nil, err
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} else if !has {
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return nil, ErrAttachmentNotExist{0, uuid}
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}
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return attach, nil
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}
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// GetAttachmentsByUUIDs returns attachment by given UUID list.
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func GetAttachmentsByUUIDs(ctx context.Context, uuids []string) ([]*Attachment, error) {
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if len(uuids) == 0 {
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return []*Attachment{}, nil
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}
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// Silently drop invalid uuids.
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attachments := make([]*Attachment, 0, len(uuids))
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return attachments, db.GetEngine(ctx).In("uuid", uuids).Find(&attachments)
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}
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// ExistAttachmentsByUUID returns true if attachment exists with the given UUID
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func ExistAttachmentsByUUID(ctx context.Context, uuid string) (bool, error) {
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return db.GetEngine(ctx).Where("`uuid`=?", uuid).Exist(new(Attachment))
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}
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// GetAttachmentsByIssueID returns all attachments of an issue.
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func GetAttachmentsByIssueID(ctx context.Context, issueID int64) ([]*Attachment, error) {
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attachments := make([]*Attachment, 0, 10)
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return attachments, db.GetEngine(ctx).Where("issue_id = ? AND comment_id = 0", issueID).Find(&attachments)
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}
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// GetAttachmentsByCommentID returns all attachments if comment by given ID.
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func GetAttachmentsByCommentID(ctx context.Context, commentID int64) ([]*Attachment, error) {
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attachments := make([]*Attachment, 0, 10)
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return attachments, db.GetEngine(ctx).Where("comment_id=?", commentID).Find(&attachments)
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}
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// GetAttachmentByReleaseIDFileName returns attachment by given releaseId and fileName.
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func GetAttachmentByReleaseIDFileName(ctx context.Context, releaseID int64, fileName string) (*Attachment, error) {
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attach := &Attachment{ReleaseID: releaseID, Name: fileName}
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has, err := db.GetEngine(ctx).Get(attach)
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if err != nil {
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return nil, err
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} else if !has {
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return nil, err
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}
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return attach, nil
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}
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// DeleteAttachment deletes the given attachment and optionally the associated file.
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func DeleteAttachment(a *Attachment, remove bool) error {
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_, err := DeleteAttachments(db.DefaultContext, []*Attachment{a}, remove)
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return err
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}
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// DeleteAttachments deletes the given attachments and optionally the associated files.
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func DeleteAttachments(ctx context.Context, attachments []*Attachment, remove bool) (int, error) {
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if len(attachments) == 0 {
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return 0, nil
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}
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ids := make([]int64, 0, len(attachments))
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for _, a := range attachments {
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ids = append(ids, a.ID)
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}
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cnt, err := db.GetEngine(ctx).In("id", ids).NoAutoCondition().Delete(attachments[0])
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if err != nil {
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return 0, err
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}
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if remove {
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for i, a := range attachments {
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if err := storage.Attachments.Delete(a.RelativePath()); err != nil {
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return i, err
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}
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}
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}
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return int(cnt), nil
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}
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// DeleteAttachmentsByIssue deletes all attachments associated with the given issue.
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func DeleteAttachmentsByIssue(issueID int64, remove bool) (int, error) {
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attachments, err := GetAttachmentsByIssueID(db.DefaultContext, issueID)
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if err != nil {
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return 0, err
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}
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return DeleteAttachments(db.DefaultContext, attachments, remove)
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}
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// DeleteAttachmentsByComment deletes all attachments associated with the given comment.
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func DeleteAttachmentsByComment(commentID int64, remove bool) (int, error) {
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attachments, err := GetAttachmentsByCommentID(db.DefaultContext, commentID)
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if err != nil {
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return 0, err
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}
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return DeleteAttachments(db.DefaultContext, attachments, remove)
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}
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// UpdateAttachmentByUUID Updates attachment via uuid
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func UpdateAttachmentByUUID(ctx context.Context, attach *Attachment, cols ...string) error {
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if attach.UUID == "" {
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return fmt.Errorf("attachment uuid should be not blank")
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}
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_, err := db.GetEngine(ctx).Where("uuid=?", attach.UUID).Cols(cols...).Update(attach)
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return err
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}
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// UpdateAttachment updates the given attachment in database
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func UpdateAttachment(ctx context.Context, atta *Attachment) error {
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sess := db.GetEngine(ctx).Cols("name", "issue_id", "release_id", "comment_id", "download_count")
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if atta.ID != 0 && atta.UUID == "" {
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sess = sess.ID(atta.ID)
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} else {
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// Use uuid only if id is not set and uuid is set
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sess = sess.Where("uuid = ?", atta.UUID)
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}
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_, err := sess.Update(atta)
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return err
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}
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// DeleteAttachmentsByRelease deletes all attachments associated with the given release.
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func DeleteAttachmentsByRelease(ctx context.Context, releaseID int64) error {
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_, err := db.GetEngine(ctx).Where("release_id = ?", releaseID).Delete(&Attachment{})
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return err
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}
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// CountOrphanedAttachments returns the number of bad attachments
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func CountOrphanedAttachments(ctx context.Context) (int64, error) {
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return db.GetEngine(ctx).Where("(issue_id > 0 and issue_id not in (select id from issue)) or (release_id > 0 and release_id not in (select id from `release`))").
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Count(new(Attachment))
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}
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// DeleteOrphanedAttachments delete all bad attachments
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func DeleteOrphanedAttachments(ctx context.Context) error {
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_, err := db.GetEngine(ctx).Where("(issue_id > 0 and issue_id not in (select id from issue)) or (release_id > 0 and release_id not in (select id from `release`))").
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Delete(new(Attachment))
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return err
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}
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