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forgejo/models/lfs.go
Lunny Xiao f2e20c81b6 Refactor struct's time to remove unnecessary memory usage (#3142)
* refactor struct's time to remove unnecessary memory usage

* use AsTimePtr simple code

* fix tests

* fix time compare

* fix template on gpg

* use AddDuration instead of Add
2017-12-11 06:37:04 +02:00

107 lines
2.8 KiB
Go

package models
import (
"errors"
"code.gitea.io/gitea/modules/util"
)
// LFSMetaObject stores metadata for LFS tracked files.
type LFSMetaObject struct {
ID int64 `xorm:"pk autoincr"`
Oid string `xorm:"UNIQUE(s) INDEX NOT NULL"`
Size int64 `xorm:"NOT NULL"`
RepositoryID int64 `xorm:"UNIQUE(s) INDEX NOT NULL"`
Existing bool `xorm:"-"`
CreatedUnix util.TimeStamp `xorm:"created"`
}
// LFSTokenResponse defines the JSON structure in which the JWT token is stored.
// This structure is fetched via SSH and passed by the Git LFS client to the server
// endpoint for authorization.
type LFSTokenResponse struct {
Header map[string]string `json:"header"`
Href string `json:"href"`
}
var (
// ErrLFSObjectNotExist is returned from lfs models functions in order
// to differentiate between database and missing object errors.
ErrLFSObjectNotExist = errors.New("LFS Meta object does not exist")
)
const (
// LFSMetaFileIdentifier is the string appearing at the first line of LFS pointer files.
// https://github.com/git-lfs/git-lfs/blob/master/docs/spec.md
LFSMetaFileIdentifier = "version https://git-lfs.github.com/spec/v1"
// LFSMetaFileOidPrefix appears in LFS pointer files on a line before the sha256 hash.
LFSMetaFileOidPrefix = "oid sha256:"
)
// NewLFSMetaObject stores a given populated LFSMetaObject structure in the database
// if it is not already present.
func NewLFSMetaObject(m *LFSMetaObject) (*LFSMetaObject, error) {
var err error
has, err := x.Get(m)
if err != nil {
return nil, err
}
if has {
m.Existing = true
return m, nil
}
sess := x.NewSession()
defer sess.Close()
if err = sess.Begin(); err != nil {
return nil, err
}
if _, err = sess.Insert(m); err != nil {
return nil, err
}
return m, sess.Commit()
}
// GetLFSMetaObjectByOid selects a LFSMetaObject entry from database by its OID.
// It may return ErrLFSObjectNotExist or a database error. If the error is nil,
// the returned pointer is a valid LFSMetaObject.
func (repo *Repository) GetLFSMetaObjectByOid(oid string) (*LFSMetaObject, error) {
if len(oid) == 0 {
return nil, ErrLFSObjectNotExist
}
m := &LFSMetaObject{Oid: oid, RepositoryID: repo.ID}
has, err := x.Get(m)
if err != nil {
return nil, err
} else if !has {
return nil, ErrLFSObjectNotExist
}
return m, nil
}
// RemoveLFSMetaObjectByOid removes a LFSMetaObject entry from database by its OID.
// It may return ErrLFSObjectNotExist or a database error.
func (repo *Repository) RemoveLFSMetaObjectByOid(oid string) error {
if len(oid) == 0 {
return ErrLFSObjectNotExist
}
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return err
}
m := &LFSMetaObject{Oid: oid, RepositoryID: repo.ID}
if _, err := sess.Delete(m); err != nil {
return err
}
return sess.Commit()
}