mirror of https://github.com/gogs/gogs.git
92 lines
2.5 KiB
Go
92 lines
2.5 KiB
Go
// Copyright 2020 The Gogs 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 database
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import (
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"context"
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"errors"
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"fmt"
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"time"
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"gorm.io/gorm"
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"gogs.io/gogs/internal/errutil"
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"gogs.io/gogs/internal/lfsutil"
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)
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// LFSObject is the relation between an LFS object and a repository.
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type LFSObject struct {
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RepoID int64 `gorm:"primaryKey;auto_increment:false"`
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OID lfsutil.OID `gorm:"primaryKey;column:oid"`
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Size int64 `gorm:"not null"`
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Storage lfsutil.Storage `gorm:"not null"`
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CreatedAt time.Time `gorm:"not null"`
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}
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// LFSStore is the storage layer for LFS objects.
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type LFSStore struct {
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db *gorm.DB
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}
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func newLFSStore(db *gorm.DB) *LFSStore {
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return &LFSStore{db: db}
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}
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// CreateObject creates an LFS object record in database.
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func (s *LFSStore) CreateObject(ctx context.Context, repoID int64, oid lfsutil.OID, size int64, storage lfsutil.Storage) error {
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object := &LFSObject{
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RepoID: repoID,
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OID: oid,
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Size: size,
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Storage: storage,
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}
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return s.db.WithContext(ctx).Create(object).Error
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}
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type ErrLFSObjectNotExist struct {
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args errutil.Args
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}
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func IsErrLFSObjectNotExist(err error) bool {
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return errors.As(err, &ErrLFSObjectNotExist{})
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}
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func (err ErrLFSObjectNotExist) Error() string {
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return fmt.Sprintf("LFS object does not exist: %v", err.args)
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}
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func (ErrLFSObjectNotExist) NotFound() bool {
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return true
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}
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// GetObjectByOID returns the LFS object with given OID. It returns
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// ErrLFSObjectNotExist when not found.
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func (s *LFSStore) GetObjectByOID(ctx context.Context, repoID int64, oid lfsutil.OID) (*LFSObject, error) {
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object := new(LFSObject)
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err := s.db.WithContext(ctx).Where("repo_id = ? AND oid = ?", repoID, oid).First(object).Error
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, ErrLFSObjectNotExist{args: errutil.Args{"repoID": repoID, "oid": oid}}
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}
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return nil, err
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}
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return object, err
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}
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// GetObjectsByOIDs returns LFS objects found within "oids". The returned list
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// could have fewer elements if some oids were not found.
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func (s *LFSStore) GetObjectsByOIDs(ctx context.Context, repoID int64, oids ...lfsutil.OID) ([]*LFSObject, error) {
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if len(oids) == 0 {
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return []*LFSObject{}, nil
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}
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objects := make([]*LFSObject, 0, len(oids))
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err := s.db.WithContext(ctx).Where("repo_id = ? AND oid IN (?)", repoID, oids).Find(&objects).Error
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if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, err
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}
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return objects, nil
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}
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