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gitea/models/repo/attachment.go

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8.5 KiB
Go

// Copyright 2017 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package repo
import (
"context"
"fmt"
"net/url"
"path"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/storage"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/modules/util"
)
// Attachment represent a attachment of issue/comment/release.
type Attachment struct {
ID int64 `xorm:"pk autoincr"`
UUID string `xorm:"uuid UNIQUE"`
RepoID int64 `xorm:"INDEX"` // this should not be zero
IssueID int64 `xorm:"INDEX"` // maybe zero when creating
ReleaseID int64 `xorm:"INDEX"` // maybe zero when creating
UploaderID int64 `xorm:"INDEX DEFAULT 0"` // Notice: will be zero before this column added
CommentID int64
Name string
DownloadCount int64 `xorm:"DEFAULT 0"`
Size int64 `xorm:"DEFAULT 0"`
CreatedUnix timeutil.TimeStamp `xorm:"created"`
CustomDownloadURL string `xorm:"-"`
}
func init() {
db.RegisterModel(new(Attachment))
}
// IncreaseDownloadCount is update download count + 1
func (a *Attachment) IncreaseDownloadCount() error {
// Update download count.
if _, err := db.GetEngine(db.DefaultContext).Exec("UPDATE `attachment` SET download_count=download_count+1 WHERE id=?", a.ID); err != nil {
return fmt.Errorf("increase attachment count: %w", err)
}
return nil
}
// AttachmentRelativePath returns the relative path
func AttachmentRelativePath(uuid string) string {
return path.Join(uuid[0:1], uuid[1:2], uuid)
}
// RelativePath returns the relative path of the attachment
func (a *Attachment) RelativePath() string {
return AttachmentRelativePath(a.UUID)
}
// DownloadURL returns the download url of the attached file
func (a *Attachment) DownloadURL() string {
if a.CustomDownloadURL != "" {
return a.CustomDownloadURL
}
return setting.AppURL + "attachments/" + url.PathEscape(a.UUID)
}
// ErrAttachmentNotExist represents a "AttachmentNotExist" kind of error.
type ErrAttachmentNotExist struct {
ID int64
UUID string
}
// IsErrAttachmentNotExist checks if an error is a ErrAttachmentNotExist.
func IsErrAttachmentNotExist(err error) bool {
_, ok := err.(ErrAttachmentNotExist)
return ok
}
func (err ErrAttachmentNotExist) Error() string {
return fmt.Sprintf("attachment does not exist [id: %d, uuid: %s]", err.ID, err.UUID)
}
func (err ErrAttachmentNotExist) Unwrap() error {
return util.ErrNotExist
}
// GetAttachmentByID returns attachment by given id
func GetAttachmentByID(ctx context.Context, id int64) (*Attachment, error) {
attach := &Attachment{}
if has, err := db.GetEngine(ctx).ID(id).Get(attach); err != nil {
return nil, err
} else if !has {
return nil, ErrAttachmentNotExist{ID: id, UUID: ""}
}
return attach, nil
}
// GetAttachmentByUUID returns attachment by given UUID.
func GetAttachmentByUUID(ctx context.Context, uuid string) (*Attachment, error) {
attach := &Attachment{}
has, err := db.GetEngine(ctx).Where("uuid=?", uuid).Get(attach)
if err != nil {
return nil, err
} else if !has {
return nil, ErrAttachmentNotExist{0, uuid}
}
return attach, nil
}
// GetAttachmentsByUUIDs returns attachment by given UUID list.
func GetAttachmentsByUUIDs(ctx context.Context, uuids []string) ([]*Attachment, error) {
if len(uuids) == 0 {
return []*Attachment{}, nil
}
// Silently drop invalid uuids.
attachments := make([]*Attachment, 0, len(uuids))
return attachments, db.GetEngine(ctx).In("uuid", uuids).Find(&attachments)
}
// ExistAttachmentsByUUID returns true if attachment exists with the given UUID
func ExistAttachmentsByUUID(ctx context.Context, uuid string) (bool, error) {
return db.GetEngine(ctx).Where("`uuid`=?", uuid).Exist(new(Attachment))
}
// GetAttachmentsByIssueID returns all attachments of an issue.
func GetAttachmentsByIssueID(ctx context.Context, issueID int64) ([]*Attachment, error) {
attachments := make([]*Attachment, 0, 10)
return attachments, db.GetEngine(ctx).Where("issue_id = ? AND comment_id = 0", issueID).Find(&attachments)
}
// GetAttachmentsByIssueIDImagesLatest returns the latest image attachments of an issue.
func GetAttachmentsByIssueIDImagesLatest(ctx context.Context, issueID int64) ([]*Attachment, error) {
attachments := make([]*Attachment, 0, 5)
return attachments, db.GetEngine(ctx).Where(`issue_id = ? AND (name like '%.apng'
OR name like '%.avif'
OR name like '%.bmp'
OR name like '%.gif'
OR name like '%.jpg'
OR name like '%.jpeg'
OR name like '%.jxl'
OR name like '%.png'
OR name like '%.svg'
OR name like '%.webp')`, issueID).Desc("comment_id").Limit(5).Find(&attachments)
}
// GetAttachmentsByCommentID returns all attachments if comment by given ID.
func GetAttachmentsByCommentID(ctx context.Context, commentID int64) ([]*Attachment, error) {
attachments := make([]*Attachment, 0, 10)
return attachments, db.GetEngine(ctx).Where("comment_id=?", commentID).Find(&attachments)
}
// GetAttachmentByReleaseIDFileName returns attachment by given releaseId and fileName.
func GetAttachmentByReleaseIDFileName(ctx context.Context, releaseID int64, fileName string) (*Attachment, error) {
attach := &Attachment{ReleaseID: releaseID, Name: fileName}
has, err := db.GetEngine(ctx).Get(attach)
if err != nil {
return nil, err
} else if !has {
return nil, err
}
return attach, nil
}
// DeleteAttachment deletes the given attachment and optionally the associated file.
func DeleteAttachment(a *Attachment, remove bool) error {
_, err := DeleteAttachments(db.DefaultContext, []*Attachment{a}, remove)
return err
}
// DeleteAttachments deletes the given attachments and optionally the associated files.
func DeleteAttachments(ctx context.Context, attachments []*Attachment, remove bool) (int, error) {
if len(attachments) == 0 {
return 0, nil
}
ids := make([]int64, 0, len(attachments))
for _, a := range attachments {
ids = append(ids, a.ID)
}
cnt, err := db.GetEngine(ctx).In("id", ids).NoAutoCondition().Delete(attachments[0])
if err != nil {
return 0, err
}
if remove {
for i, a := range attachments {
if err := storage.Attachments.Delete(a.RelativePath()); err != nil {
return i, err
}
}
}
return int(cnt), nil
}
// DeleteAttachmentsByIssue deletes all attachments associated with the given issue.
func DeleteAttachmentsByIssue(issueID int64, remove bool) (int, error) {
attachments, err := GetAttachmentsByIssueID(db.DefaultContext, issueID)
if err != nil {
return 0, err
}
return DeleteAttachments(db.DefaultContext, attachments, remove)
}
// DeleteAttachmentsByComment deletes all attachments associated with the given comment.
func DeleteAttachmentsByComment(commentID int64, remove bool) (int, error) {
attachments, err := GetAttachmentsByCommentID(db.DefaultContext, commentID)
if err != nil {
return 0, err
}
return DeleteAttachments(db.DefaultContext, attachments, remove)
}
// UpdateAttachmentByUUID Updates attachment via uuid
func UpdateAttachmentByUUID(ctx context.Context, attach *Attachment, cols ...string) error {
if attach.UUID == "" {
return fmt.Errorf("attachment uuid should be not blank")
}
_, err := db.GetEngine(ctx).Where("uuid=?", attach.UUID).Cols(cols...).Update(attach)
return err
}
// UpdateAttachment updates the given attachment in database
func UpdateAttachment(ctx context.Context, atta *Attachment) error {
sess := db.GetEngine(ctx).Cols("name", "issue_id", "release_id", "comment_id", "download_count")
if atta.ID != 0 && atta.UUID == "" {
sess = sess.ID(atta.ID)
} else {
// Use uuid only if id is not set and uuid is set
sess = sess.Where("uuid = ?", atta.UUID)
}
_, err := sess.Update(atta)
return err
}
// DeleteAttachmentsByRelease deletes all attachments associated with the given release.
func DeleteAttachmentsByRelease(ctx context.Context, releaseID int64) error {
_, err := db.GetEngine(ctx).Where("release_id = ?", releaseID).Delete(&Attachment{})
return err
}
// CountOrphanedAttachments returns the number of bad attachments
func CountOrphanedAttachments(ctx context.Context) (int64, error) {
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`))").
Count(new(Attachment))
}
// DeleteOrphanedAttachments delete all bad attachments
func DeleteOrphanedAttachments(ctx context.Context) error {
_, 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`))").
Delete(new(Attachment))
return err
}