mirror of
https://codeberg.org/davrot/forgejo.git
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Move some code into models/git (#19879)
* Move access and repo permission to models/perm/access * fix test * Move some git related files into sub package models/git * Fix build * fix git test * move lfs to sub package * move more git related functions to models/git * Move functions sequence * Some improvements per @KN4CK3R and @delvh
This commit is contained in:
Lunny Xiao
GitHub
parent
a9dc9b06e4
commit
110fc57cbc
67 changed files with 549 additions and 495 deletions
328
models/git/lfs.go
Normal file
328
models/git/lfs.go
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@ -0,0 +1,328 @@
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// Copyright 2020 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 git
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import (
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"context"
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"errors"
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"fmt"
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"code.gitea.io/gitea/models/db"
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"code.gitea.io/gitea/models/perm"
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repo_model "code.gitea.io/gitea/models/repo"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/lfs"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/timeutil"
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"xorm.io/builder"
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)
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// ErrLFSLockNotExist represents a "LFSLockNotExist" kind of error.
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type ErrLFSLockNotExist struct {
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ID int64
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RepoID int64
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Path string
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}
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// IsErrLFSLockNotExist checks if an error is a ErrLFSLockNotExist.
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func IsErrLFSLockNotExist(err error) bool {
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_, ok := err.(ErrLFSLockNotExist)
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return ok
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}
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func (err ErrLFSLockNotExist) Error() string {
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return fmt.Sprintf("lfs lock does not exist [id: %d, rid: %d, path: %s]", err.ID, err.RepoID, err.Path)
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}
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// ErrLFSUnauthorizedAction represents a "LFSUnauthorizedAction" kind of error.
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type ErrLFSUnauthorizedAction struct {
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RepoID int64
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UserName string
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Mode perm.AccessMode
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}
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// IsErrLFSUnauthorizedAction checks if an error is a ErrLFSUnauthorizedAction.
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func IsErrLFSUnauthorizedAction(err error) bool {
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_, ok := err.(ErrLFSUnauthorizedAction)
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return ok
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}
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func (err ErrLFSUnauthorizedAction) Error() string {
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if err.Mode == perm.AccessModeWrite {
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return fmt.Sprintf("User %s doesn't have write access for lfs lock [rid: %d]", err.UserName, err.RepoID)
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}
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return fmt.Sprintf("User %s doesn't have read access for lfs lock [rid: %d]", err.UserName, err.RepoID)
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}
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// ErrLFSLockAlreadyExist represents a "LFSLockAlreadyExist" kind of error.
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type ErrLFSLockAlreadyExist struct {
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RepoID int64
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Path string
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}
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// IsErrLFSLockAlreadyExist checks if an error is a ErrLFSLockAlreadyExist.
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func IsErrLFSLockAlreadyExist(err error) bool {
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_, ok := err.(ErrLFSLockAlreadyExist)
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return ok
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}
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func (err ErrLFSLockAlreadyExist) Error() string {
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return fmt.Sprintf("lfs lock already exists [rid: %d, path: %s]", err.RepoID, err.Path)
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}
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// ErrLFSFileLocked represents a "LFSFileLocked" kind of error.
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type ErrLFSFileLocked struct {
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RepoID int64
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Path string
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UserName string
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}
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// IsErrLFSFileLocked checks if an error is a ErrLFSFileLocked.
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func IsErrLFSFileLocked(err error) bool {
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_, ok := err.(ErrLFSFileLocked)
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return ok
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}
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func (err ErrLFSFileLocked) Error() string {
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return fmt.Sprintf("File is lfs locked [repo: %d, locked by: %s, path: %s]", err.RepoID, err.UserName, err.Path)
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}
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// LFSMetaObject stores metadata for LFS tracked files.
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type LFSMetaObject struct {
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ID int64 `xorm:"pk autoincr"`
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lfs.Pointer `xorm:"extends"`
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RepositoryID int64 `xorm:"UNIQUE(s) INDEX NOT NULL"`
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Existing bool `xorm:"-"`
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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(LFSMetaObject))
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}
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// LFSTokenResponse defines the JSON structure in which the JWT token is stored.
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// This structure is fetched via SSH and passed by the Git LFS client to the server
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// endpoint for authorization.
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type LFSTokenResponse struct {
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Header map[string]string `json:"header"`
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Href string `json:"href"`
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}
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// ErrLFSObjectNotExist is returned from lfs models functions in order
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// to differentiate between database and missing object errors.
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var ErrLFSObjectNotExist = errors.New("LFS Meta object does not exist")
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// NewLFSMetaObject stores a given populated LFSMetaObject structure in the database
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// if it is not already present.
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func NewLFSMetaObject(m *LFSMetaObject) (*LFSMetaObject, error) {
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var err error
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ctx, committer, err := db.TxContext()
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if err != nil {
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return nil, err
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}
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defer committer.Close()
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has, err := db.GetByBean(ctx, m)
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if err != nil {
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return nil, err
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}
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if has {
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m.Existing = true
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return m, committer.Commit()
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}
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if err = db.Insert(ctx, m); err != nil {
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return nil, err
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}
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return m, committer.Commit()
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}
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// GetLFSMetaObjectByOid selects a LFSMetaObject entry from database by its OID.
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// It may return ErrLFSObjectNotExist or a database error. If the error is nil,
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// the returned pointer is a valid LFSMetaObject.
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func GetLFSMetaObjectByOid(repoID int64, oid string) (*LFSMetaObject, error) {
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if len(oid) == 0 {
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return nil, ErrLFSObjectNotExist
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}
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m := &LFSMetaObject{Pointer: lfs.Pointer{Oid: oid}, RepositoryID: repoID}
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has, err := db.GetEngine(db.DefaultContext).Get(m)
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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, ErrLFSObjectNotExist
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}
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return m, nil
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}
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// RemoveLFSMetaObjectByOid removes a LFSMetaObject entry from database by its OID.
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// It may return ErrLFSObjectNotExist or a database error.
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func RemoveLFSMetaObjectByOid(repoID int64, oid string) (int64, error) {
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if len(oid) == 0 {
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return 0, ErrLFSObjectNotExist
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}
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ctx, committer, err := db.TxContext()
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if err != nil {
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return 0, err
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}
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defer committer.Close()
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m := &LFSMetaObject{Pointer: lfs.Pointer{Oid: oid}, RepositoryID: repoID}
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if _, err := db.DeleteByBean(ctx, m); err != nil {
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return -1, err
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}
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count, err := db.CountByBean(ctx, &LFSMetaObject{Pointer: lfs.Pointer{Oid: oid}})
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if err != nil {
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return count, err
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}
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return count, committer.Commit()
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}
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// GetLFSMetaObjects returns all LFSMetaObjects associated with a repository
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func GetLFSMetaObjects(repoID int64, page, pageSize int) ([]*LFSMetaObject, error) {
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sess := db.GetEngine(db.DefaultContext)
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if page >= 0 && pageSize > 0 {
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start := 0
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if page > 0 {
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start = (page - 1) * pageSize
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}
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sess.Limit(pageSize, start)
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}
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lfsObjects := make([]*LFSMetaObject, 0, pageSize)
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return lfsObjects, sess.Find(&lfsObjects, &LFSMetaObject{RepositoryID: repoID})
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}
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// CountLFSMetaObjects returns a count of all LFSMetaObjects associated with a repository
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func CountLFSMetaObjects(repoID int64) (int64, error) {
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return db.GetEngine(db.DefaultContext).Count(&LFSMetaObject{RepositoryID: repoID})
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}
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// LFSObjectAccessible checks if a provided Oid is accessible to the user
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func LFSObjectAccessible(user *user_model.User, oid string) (bool, error) {
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if user.IsAdmin {
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count, err := db.GetEngine(db.DefaultContext).Count(&LFSMetaObject{Pointer: lfs.Pointer{Oid: oid}})
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return count > 0, err
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}
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cond := repo_model.AccessibleRepositoryCondition(user)
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count, err := db.GetEngine(db.DefaultContext).Where(cond).Join("INNER", "repository", "`lfs_meta_object`.repository_id = `repository`.id").Count(&LFSMetaObject{Pointer: lfs.Pointer{Oid: oid}})
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return count > 0, err
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}
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// LFSObjectIsAssociated checks if a provided Oid is associated
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func LFSObjectIsAssociated(oid string) (bool, error) {
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return db.GetEngine(db.DefaultContext).Exist(&LFSMetaObject{Pointer: lfs.Pointer{Oid: oid}})
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}
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// LFSAutoAssociate auto associates accessible LFSMetaObjects
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func LFSAutoAssociate(metas []*LFSMetaObject, user *user_model.User, repoID int64) error {
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ctx, committer, err := db.TxContext()
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if err != nil {
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return err
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}
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defer committer.Close()
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sess := db.GetEngine(ctx)
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oids := make([]interface{}, len(metas))
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oidMap := make(map[string]*LFSMetaObject, len(metas))
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for i, meta := range metas {
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oids[i] = meta.Oid
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oidMap[meta.Oid] = meta
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}
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if !user.IsAdmin {
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newMetas := make([]*LFSMetaObject, 0, len(metas))
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cond := builder.In(
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"`lfs_meta_object`.repository_id",
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builder.Select("`repository`.id").From("repository").Where(repo_model.AccessibleRepositoryCondition(user)),
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)
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err = sess.Cols("oid").Where(cond).In("oid", oids...).GroupBy("oid").Find(&newMetas)
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if err != nil {
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return err
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}
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if len(newMetas) != len(oidMap) {
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return fmt.Errorf("unable collect all LFS objects from database, expected %d, actually %d", len(oidMap), len(newMetas))
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}
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for i := range newMetas {
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newMetas[i].Size = oidMap[newMetas[i].Oid].Size
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newMetas[i].RepositoryID = repoID
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}
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if err = db.Insert(ctx, newMetas); err != nil {
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return err
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}
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} else {
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// admin can associate any LFS object to any repository, and we do not care about errors (eg: duplicated unique key),
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// even if error occurs, it won't hurt users and won't make things worse
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for i := range metas {
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p := lfs.Pointer{Oid: metas[i].Oid, Size: metas[i].Size}
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_, err = sess.Insert(&LFSMetaObject{
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Pointer: p,
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RepositoryID: repoID,
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})
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if err != nil {
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log.Warn("failed to insert LFS meta object %-v for repo_id: %d into database, err=%v", p, repoID, err)
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}
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}
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}
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return committer.Commit()
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}
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// IterateLFS iterates lfs object
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func IterateLFS(f func(mo *LFSMetaObject) error) error {
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var start int
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const batchSize = 100
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e := db.GetEngine(db.DefaultContext)
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for {
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mos := make([]*LFSMetaObject, 0, batchSize)
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if err := e.Limit(batchSize, start).Find(&mos); err != nil {
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return err
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}
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if len(mos) == 0 {
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return nil
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}
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start += len(mos)
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for _, mo := range mos {
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if err := f(mo); 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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// CopyLFS copies LFS data from one repo to another
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func CopyLFS(ctx context.Context, newRepo, oldRepo *repo_model.Repository) error {
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var lfsObjects []*LFSMetaObject
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if err := db.GetEngine(ctx).Where("repository_id=?", oldRepo.ID).Find(&lfsObjects); err != nil {
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return err
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}
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for _, v := range lfsObjects {
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v.ID = 0
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v.RepositoryID = newRepo.ID
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if err := db.Insert(ctx, v); err != nil {
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return err
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}
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}
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return nil
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}
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// GetRepoLFSSize return a repository's lfs files size
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func GetRepoLFSSize(ctx context.Context, repoID int64) (int64, error) {
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lfsSize, err := db.GetEngine(ctx).Where("repository_id = ?", repoID).SumInt(new(LFSMetaObject), "size")
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if err != nil {
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return 0, fmt.Errorf("updateSize: GetLFSMetaObjects: %v", err)
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}
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return lfsSize, nil
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}
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