Files
stfs/pkg/persisters/metadata.go
2021-11-21 15:33:06 +01:00

97 lines
2.3 KiB
Go

package persisters
//go:generate sqlboiler sqlite3 -o ../db/sqlite/models/metadata -c ../../../configs/sqlboiler/metadata.yaml
//go:generate go-bindata -pkg metadata -o ../db/sqlite/migrations/metadata/migrations.go ../../../db/sqlite/migrations/metadata
import (
"archive/tar"
"context"
"database/sql"
"encoding/json"
"github.com/pojntfx/stfs/pkg/db/sqlite/migrations/metadata"
models "github.com/pojntfx/stfs/pkg/db/sqlite/models/metadata"
migrate "github.com/rubenv/sql-migrate"
"github.com/volatiletech/sqlboiler/v4/boil"
)
type MetadataPersister struct {
*SQLite
}
func NewMetadataPersister(dbPath string) *MetadataPersister {
return &MetadataPersister{
&SQLite{
DBPath: dbPath,
Migrations: migrate.AssetMigrationSource{
Asset: metadata.Asset,
AssetDir: metadata.AssetDir,
Dir: "../../../db/sqlite/migrations/metadata",
},
},
}
}
func (p *MetadataPersister) UpsertHeader(ctx context.Context, record, block int64, hdr *tar.Header) error {
paxRecords, err := json.Marshal(hdr.PAXRecords)
if err != nil {
return err
}
dbhdr := models.Header{
Record: record,
Block: block,
Typeflag: int64(hdr.Typeflag),
Name: hdr.Name,
Linkname: hdr.Linkname,
Size: hdr.Size,
Mode: hdr.Mode,
UID: int64(hdr.Uid),
Gid: int64(hdr.Gid),
Uname: hdr.Uname,
Gname: hdr.Gname,
Modtime: hdr.ModTime,
Accesstime: hdr.AccessTime,
Changetime: hdr.ChangeTime,
Devmajor: hdr.Devmajor,
Devminor: hdr.Devminor,
Paxrecords: string(paxRecords),
Format: int64(hdr.Format),
}
if _, err := models.FindHeader(ctx, p.db, dbhdr.Name, models.HeaderColumns.Name); err != nil {
if err == sql.ErrNoRows {
if err := dbhdr.Insert(ctx, p.db, boil.Infer()); err != nil {
return err
}
return nil
}
return err
}
if _, err := dbhdr.Update(ctx, p.db, boil.Infer()); err != nil {
return err
}
return nil
}
func (p *MetadataPersister) GetHeaders(ctx context.Context) (models.HeaderSlice, error) {
return models.Headers().All(ctx, p.db)
}
func (p *MetadataPersister) DeleteHeader(ctx context.Context, name string) (*models.Header, error) {
hdr, err := models.FindHeader(ctx, p.db, name)
if err != nil {
return nil, err
}
if _, err := hdr.Delete(ctx, p.db); err != nil {
return nil, err
}
return hdr, nil
}