A fork of Gitea (see branch `mj`) adding Majority Judgment Polls 𐄷 over Issues and Merge Requests. https://git.mieuxvoter.fr
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// Copyright 2017 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package models
import (
"bytes"
"fmt"
"io"
"path"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/storage"
"code.gitea.io/gitea/modules/timeutil"
gouuid "github.com/google/uuid"
"xorm.io/xorm"
)
// Attachment represent a attachment of issue/comment/release.
type Attachment struct {
ID int64 `xorm:"pk autoincr"`
UUID string `xorm:"uuid UNIQUE"`
IssueID int64 `xorm:"INDEX"`
ReleaseID int64 `xorm:"INDEX"`
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"`
}
// IncreaseDownloadCount is update download count + 1
func (a *Attachment) IncreaseDownloadCount() error {
// Update download count.
if _, err := x.Exec("UPDATE `attachment` SET download_count=download_count+1 WHERE id=?", a.ID); err != nil {
return fmt.Errorf("increase attachment count: %v", 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 {
return fmt.Sprintf("%sattachments/%s", setting.AppURL, a.UUID)
}
// LinkedRepository returns the linked repo if any
func (a *Attachment) LinkedRepository() (*Repository, UnitType, error) {
if a.IssueID != 0 {
iss, err := GetIssueByID(a.IssueID)
if err != nil {
return nil, UnitTypeIssues, err
}
repo, err := GetRepositoryByID(iss.RepoID)
unitType := UnitTypeIssues
if iss.IsPull {
unitType = UnitTypePullRequests
}
return repo, unitType, err
} else if a.ReleaseID != 0 {
rel, err := GetReleaseByID(a.ReleaseID)
if err != nil {
return nil, UnitTypeReleases, err
}
repo, err := GetRepositoryByID(rel.RepoID)
return repo, UnitTypeReleases, err
}
return nil, -1, nil
}
// NewAttachment creates a new attachment object.
func NewAttachment(attach *Attachment, buf []byte, file io.Reader) (_ *Attachment, err error) {
attach.UUID = gouuid.New().String()
size, err := storage.Attachments.Save(attach.RelativePath(), io.MultiReader(bytes.NewReader(buf), file), -1)
if err != nil {
return nil, fmt.Errorf("Create: %v", err)
}
attach.Size = size
if _, err := x.Insert(attach); err != nil {
return nil, err
}
return attach, nil
}
// GetAttachmentByID returns attachment by given id
func GetAttachmentByID(id int64) (*Attachment, error) {
return getAttachmentByID(x, id)
}
func getAttachmentByID(e Engine, id int64) (*Attachment, error) {
attach := &Attachment{}
if has, err := e.ID(id).Get(attach); err != nil {
return nil, err
} else if !has {
return nil, ErrAttachmentNotExist{ID: id, UUID: ""}
}
return attach, nil
}
func getAttachmentByUUID(e Engine, uuid string) (*Attachment, error) {
attach := &Attachment{}
has, err := e.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(uuids []string) ([]*Attachment, error) {
return getAttachmentsByUUIDs(x, uuids)
}
func getAttachmentsByUUIDs(e Engine, uuids []string) ([]*Attachment, error) {
if len(uuids) == 0 {
return []*Attachment{}, nil
}
// Silently drop invalid uuids.
attachments := make([]*Attachment, 0, len(uuids))
return attachments, e.In("uuid", uuids).Find(&attachments)
}
// GetAttachmentByUUID returns attachment by given UUID.
func GetAttachmentByUUID(uuid string) (*Attachment, error) {
return getAttachmentByUUID(x, uuid)
}
// GetAttachmentByReleaseIDFileName returns attachment by given releaseId and fileName.
func GetAttachmentByReleaseIDFileName(releaseID int64, fileName string) (*Attachment, error) {
return getAttachmentByReleaseIDFileName(x, releaseID, fileName)
}
func getAttachmentsByIssueID(e Engine, issueID int64) ([]*Attachment, error) {
attachments := make([]*Attachment, 0, 10)
return attachments, e.Where("issue_id = ? AND comment_id = 0", issueID).Find(&attachments)
}
// GetAttachmentsByIssueID returns all attachments of an issue.
func GetAttachmentsByIssueID(issueID int64) ([]*Attachment, error) {
return getAttachmentsByIssueID(x, issueID)
}
// GetAttachmentsByCommentID returns all attachments if comment by given ID.
func GetAttachmentsByCommentID(commentID int64) ([]*Attachment, error) {
return getAttachmentsByCommentID(x, commentID)
}
func getAttachmentsByCommentID(e Engine, commentID int64) ([]*Attachment, error) {
attachments := make([]*Attachment, 0, 10)
return attachments, e.Where("comment_id=?", commentID).Find(&attachments)
}
// getAttachmentByReleaseIDFileName return a file based on the the following infos:
func getAttachmentByReleaseIDFileName(e Engine, releaseID int64, fileName string) (*Attachment, error) {
attach := &Attachment{ReleaseID: releaseID, Name: fileName}
has, err := e.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([]*Attachment{a}, remove)
return err
}
// DeleteAttachments deletes the given attachments and optionally the associated files.
func DeleteAttachments(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 := x.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(issueID)
if err != nil {
return 0, err
}
return DeleteAttachments(attachments, remove)
}
// DeleteAttachmentsByComment deletes all attachments associated with the given comment.
func DeleteAttachmentsByComment(commentID int64, remove bool) (int, error) {
attachments, err := GetAttachmentsByCommentID(commentID)
if err != nil {
return 0, err
}
return DeleteAttachments(attachments, remove)
}
// UpdateAttachment updates the given attachment in database
func UpdateAttachment(atta *Attachment) error {
return updateAttachment(x, atta)
}
func updateAttachment(e Engine, atta *Attachment) error {
var sess *xorm.Session
if atta.ID != 0 && atta.UUID == "" {
sess = e.ID(atta.ID)
} else {
// Use uuid only if id is not set and uuid is set
sess = e.Where("uuid = ?", atta.UUID)
}
_, err := sess.Cols("name", "issue_id", "release_id", "comment_id", "download_count").Update(atta)
return err
}
// DeleteAttachmentsByRelease deletes all attachments associated with the given release.
func DeleteAttachmentsByRelease(releaseID int64) error {
_, err := x.Where("release_id = ?", releaseID).Delete(&Attachment{})
return err
}
// IterateAttachment iterates attachments; it should not be used when Gitea is servicing users.
func IterateAttachment(f func(attach *Attachment) error) error {
var start int
const batchSize = 100
for {
attachments := make([]*Attachment, 0, batchSize)
if err := x.Limit(batchSize, start).Find(&attachments); err != nil {
return err
}
if len(attachments) == 0 {
return nil
}
start += len(attachments)
for _, attach := range attachments {
if err := f(attach); err != nil {
return err
}
}
}
}