feat: Enable indexing with tape as single source of truth after deletions

pkg/persisters/metadata.go

@@ -4,10 +4,8 @@ package persisters
 //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"
@@ -32,33 +30,7 @@ func NewMetadataPersister(dbPath string) *MetadataPersister {
 	}
 }
 
-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),
-	}
-
+func (p *MetadataPersister) UpsertHeader(ctx context.Context, dbhdr *models.Header) error {
 	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 {
@@ -82,9 +54,13 @@ func (p *MetadataPersister) GetHeaders(ctx context.Context) (models.HeaderSlice,
 	return models.Headers().All(ctx, p.db)
 }
 
-func (p *MetadataPersister) DeleteHeader(ctx context.Context, name string) (*models.Header, error) {
+func (p *MetadataPersister) DeleteHeader(ctx context.Context, name string, ignoreNotExists bool) (*models.Header, error) {
 	hdr, err := models.FindHeader(ctx, p.db, name)
 	if err != nil {
+		if err == sql.ErrNoRows && ignoreNotExists {
+			return nil, nil
+		}
+
 		return nil, err
 	}