mirror of
https://github.com/go-gitea/gitea.git
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289 lines
8.5 KiB
Go
289 lines
8.5 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 models
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import (
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"bytes"
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"fmt"
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"io"
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"path"
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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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gouuid "github.com/google/uuid"
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"xorm.io/xorm"
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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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IssueID int64 `xorm:"INDEX"`
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ReleaseID int64 `xorm:"INDEX"`
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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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// 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 := x.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: %v", 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 fmt.Sprintf("%sattachments/%s", setting.AppURL, a.UUID)
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}
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// LinkedRepository returns the linked repo if any
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func (a *Attachment) LinkedRepository() (*Repository, UnitType, error) {
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if a.IssueID != 0 {
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iss, err := GetIssueByID(a.IssueID)
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if err != nil {
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return nil, UnitTypeIssues, err
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}
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repo, err := GetRepositoryByID(iss.RepoID)
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unitType := UnitTypeIssues
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if iss.IsPull {
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unitType = UnitTypePullRequests
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}
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return repo, unitType, err
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} else if a.ReleaseID != 0 {
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rel, err := GetReleaseByID(a.ReleaseID)
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if err != nil {
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return nil, UnitTypeReleases, err
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}
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repo, err := GetRepositoryByID(rel.RepoID)
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return repo, UnitTypeReleases, err
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}
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return nil, -1, nil
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}
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// NewAttachment creates a new attachment object.
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func NewAttachment(attach *Attachment, buf []byte, file io.Reader) (_ *Attachment, err error) {
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attach.UUID = gouuid.New().String()
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size, err := storage.Attachments.Save(attach.RelativePath(), io.MultiReader(bytes.NewReader(buf), file), -1)
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if err != nil {
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return nil, fmt.Errorf("Create: %v", err)
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}
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attach.Size = size
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if _, err := x.Insert(attach); err != nil {
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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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// GetAttachmentByID returns attachment by given id
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func GetAttachmentByID(id int64) (*Attachment, error) {
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return getAttachmentByID(x, id)
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}
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func getAttachmentByID(e Engine, id int64) (*Attachment, error) {
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attach := &Attachment{}
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if has, err := e.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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func getAttachmentByUUID(e Engine, uuid string) (*Attachment, error) {
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attach := &Attachment{}
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has, err := e.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 DBContext, uuids []string) ([]*Attachment, error) {
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return getAttachmentsByUUIDs(ctx.e, uuids)
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}
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func getAttachmentsByUUIDs(e Engine, 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, e.In("uuid", uuids).Find(&attachments)
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}
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// GetAttachmentByUUID returns attachment by given UUID.
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func GetAttachmentByUUID(uuid string) (*Attachment, error) {
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return getAttachmentByUUID(x, uuid)
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}
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// GetAttachmentByReleaseIDFileName returns attachment by given releaseId and fileName.
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func GetAttachmentByReleaseIDFileName(releaseID int64, fileName string) (*Attachment, error) {
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return getAttachmentByReleaseIDFileName(x, releaseID, fileName)
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}
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func getAttachmentsByIssueID(e Engine, issueID int64) ([]*Attachment, error) {
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attachments := make([]*Attachment, 0, 10)
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return attachments, e.Where("issue_id = ? AND comment_id = 0", issueID).Find(&attachments)
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}
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// GetAttachmentsByIssueID returns all attachments of an issue.
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func GetAttachmentsByIssueID(issueID int64) ([]*Attachment, error) {
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return getAttachmentsByIssueID(x, issueID)
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}
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// GetAttachmentsByCommentID returns all attachments if comment by given ID.
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func GetAttachmentsByCommentID(commentID int64) ([]*Attachment, error) {
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return getAttachmentsByCommentID(x, commentID)
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}
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func getAttachmentsByCommentID(e Engine, commentID int64) ([]*Attachment, error) {
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attachments := make([]*Attachment, 0, 10)
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return attachments, e.Where("comment_id=?", commentID).Find(&attachments)
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}
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// getAttachmentByReleaseIDFileName return a file based on the the following infos:
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func getAttachmentByReleaseIDFileName(e Engine, releaseID int64, fileName string) (*Attachment, error) {
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attach := &Attachment{ReleaseID: releaseID, Name: fileName}
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has, err := e.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(DefaultDBContext(), []*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 DBContext, 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 := ctx.e.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(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(DefaultDBContext(), 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(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(DefaultDBContext(), attachments, remove)
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}
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// UpdateAttachment updates the given attachment in database
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func UpdateAttachment(atta *Attachment) error {
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return updateAttachment(x, atta)
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}
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// UpdateAttachmentByUUID Updates attachment via uuid
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func UpdateAttachmentByUUID(ctx DBContext, attach *Attachment, cols ...string) error {
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if attach.UUID == "" {
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return fmt.Errorf("Attachement uuid should not blank")
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}
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_, err := ctx.e.Where("uuid=?", attach.UUID).Cols(cols...).Update(attach)
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return err
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}
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func updateAttachment(e Engine, atta *Attachment) error {
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var sess *xorm.Session
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if atta.ID != 0 && atta.UUID == "" {
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sess = e.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 = e.Where("uuid = ?", atta.UUID)
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}
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_, err := sess.Cols("name", "issue_id", "release_id", "comment_id", "download_count").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(releaseID int64) error {
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_, err := x.Where("release_id = ?", releaseID).Delete(&Attachment{})
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return err
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}
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// IterateAttachment iterates attachments; it should not be used when Gitea is servicing users.
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func IterateAttachment(f func(attach *Attachment) error) error {
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var start int
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const batchSize = 100
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for {
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attachments := make([]*Attachment, 0, batchSize)
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if err := x.Limit(batchSize, start).Find(&attachments); err != nil {
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return err
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}
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if len(attachments) == 0 {
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return nil
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}
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start += len(attachments)
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for _, attach := range attachments {
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if err := f(attach); err != nil {
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return err
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}
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}
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}
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}
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