51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
package services
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import (
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"github.com/klauspost/compress/zstd"
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"code.icb4dc0.de/prskr/searcherside/core/ports"
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"code.icb4dc0.de/prskr/searcherside/internal/archive"
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)
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var _ ports.Archiver = (*TarZSTIndexArchiver)(nil)
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type TarZSTIndexArchiver struct {
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DataDirectory string
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}
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func (a TarZSTIndexArchiver) ArchiveIndex(req ports.ArchiveIndexRequest) (err error) {
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archiveFile, err := os.Create(filepath.Join(a.DataDirectory, strings.Join([]string{req.Hash, req.Type.String(), "tar.zst"}, ".")))
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if err != nil {
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return fmt.Errorf("failed to create archive file: %w", err)
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}
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defer func() {
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err = errors.Join(err, archiveFile.Close())
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}()
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encoder, err := zstd.NewWriter(archiveFile, zstd.WithEncoderLevel(zstd.SpeedBestCompression))
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if err != nil {
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return fmt.Errorf("failed to create zst encoder: %w", err)
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}
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defer func() {
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err = errors.Join(err, encoder.Close())
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}()
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relativePath, err := filepath.Rel(a.DataDirectory, req.Path)
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if err != nil {
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return fmt.Errorf("failed to get relative path: %w", err)
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}
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return archive.TarDirectory(
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os.DirFS(a.DataDirectory),
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filepath.ToSlash(relativePath),
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archiveFile,
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)
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}
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