JCS-pub/hub/internal/pubshards/pub_shards.go

99 lines
2.7 KiB
Go

package pubshards
import (
"fmt"
stgtypes "gitlink.org.cn/cloudream/jcs-pub/common/pkgs/storage/types"
jcstypes "gitlink.org.cn/cloudream/jcs-pub/common/types"
"gorm.io/gorm"
"gorm.io/gorm/clause"
)
type LoadedStore struct {
ShardStore stgtypes.ShardStore
Config jcstypes.PubShards
PasswordHash []byte
ClientFileHashDB *gorm.DB
}
func (s *LoadedStore) StoreShard(userID jcstypes.UserID, path jcstypes.JPath, hash jcstypes.FileHash, size int64) (stgtypes.FileInfo, error) {
info, err := s.ShardStore.Store(path, hash, size)
if err != nil {
return stgtypes.FileInfo{}, err
}
err = s.ClientFileHashDB.Clauses(clause.Insert{Modifier: "or ignore"}).Create(&FileEntry{
UserID: userID,
Path: info.Path,
Hash: hash,
Size: size,
}).Error
if err != nil {
return stgtypes.FileInfo{}, err
}
return info, nil
}
func (s *LoadedStore) InfoShard(hash jcstypes.FileHash) (stgtypes.FileInfo, error) {
return s.ShardStore.Info(hash)
}
func (s *LoadedStore) ListUserAll(userID jcstypes.UserID) ([]stgtypes.FileInfo, error) {
var files []FileEntry
err := s.ClientFileHashDB.Table("Files").Where("UserID = ?", userID).Find(&files).Error
if err != nil {
return nil, err
}
infos := make([]stgtypes.FileInfo, len(files))
for i, file := range files {
infos[i] = stgtypes.FileInfo{
Path: file.Path,
Size: file.Size,
Hash: file.Hash,
}
}
return infos, nil
}
func (s *LoadedStore) GC(userID jcstypes.UserID, fileHashes []jcstypes.FileHash) error {
return s.ClientFileHashDB.Transaction(func(tx *gorm.DB) error {
if err := tx.Delete(&FileEntry{}, "UserID = ?", userID).Error; err != nil {
return fmt.Errorf("delete all hashes: %w", err)
}
hashes := make([]FileEntry, len(fileHashes))
for i, hash := range fileHashes {
hashes[i] = FileEntry{
UserID: userID,
Hash: hash,
}
}
return tx.Clauses(clause.Insert{Modifier: "or ignore"}).Create(&hashes).Error
})
}
func (s *LoadedStore) GetUserStats(userID jcstypes.UserID) stgtypes.Stats {
// TODO 实现
return stgtypes.Stats{}
}
func (s *LoadedStore) GetAllHashes() ([]jcstypes.FileHash, error) {
var hashes []jcstypes.FileHash
return hashes, s.ClientFileHashDB.Distinct("FileHash").Find(&hashes).Error
}
type FileEntry struct {
UserID jcstypes.UserID `gorm:"column:UserID; type:bigint; primaryKey; not null" json:"userID"`
Hash jcstypes.FileHash `gorm:"column:Hash; type:char(68); primaryKey; not null" json:"hash"`
Path jcstypes.JPath `gorm:"column:Path; type:varchar(1024); not null; serializer:string" json:"path"`
Size int64 `gorm:"column:Size; type:bigint; not null" json:"size"`
}
func (t FileEntry) TableName() string {
return "Files"
}