stash/pkg/sqlite/migrations/32_premigrate.go

129 lines
2.5 KiB
Go

package migrations
import (
"context"
"fmt"
"os"
"github.com/jmoiron/sqlx"
"github.com/stashapp/stash/pkg/logger"
"github.com/stashapp/stash/pkg/sqlite"
)
func pre32(ctx context.Context, db *sqlx.DB) error {
// verify that folder-based galleries (those with zip = 0 and path is not null) are
// not zip-based. If they are zip based then set zip to 1
// we could still miss some if the path does not exist, but this is the best we can do
logger.Info("Running pre-migration for schema version 32")
mm := schema32PreMigrator{
migrator: migrator{
db: db,
},
}
return mm.migrate(ctx)
}
type schema32PreMigrator struct {
migrator
}
func (m *schema32PreMigrator) migrate(ctx context.Context) error {
const (
limit = 1000
logEvery = 10000
)
// query for galleries with zip = 0 and path not null
result := struct {
Count int `db:"count"`
}{0}
if err := m.db.Get(&result, "SELECT COUNT(*) AS count FROM `galleries` WHERE `zip` = '0' AND `path` IS NOT NULL"); err != nil {
return err
}
if result.Count == 0 {
return nil
}
logger.Infof("Checking %d galleries for incorrect zip value...", result.Count)
lastID := 0
count := 0
for {
gotSome := false
if err := m.withTxn(ctx, func(tx *sqlx.Tx) error {
query := "SELECT `id`, `path` FROM `galleries` WHERE `zip` = '0' AND `path` IS NOT NULL "
if lastID != 0 {
query += fmt.Sprintf("AND `id` > %d ", lastID)
}
query += fmt.Sprintf("ORDER BY `id` LIMIT %d", limit)
rows, err := m.db.Query(query)
if err != nil {
return err
}
defer rows.Close()
for rows.Next() {
var id int
var p string
err := rows.Scan(&id, &p)
if err != nil {
return err
}
gotSome = true
lastID = id
count++
// if path does not exist, make no changes
// if it does exist and is a folder, then we ignore it
// otherwise set zip to 1
info, err := os.Stat(p)
if err != nil {
logger.Warnf("unable to verify if %q is a folder due to error %v. Assuming folder-based.", p, err)
continue
}
if info.IsDir() {
// ignore it
continue
}
logger.Infof("Correcting %q gallery to be zip-based.", p)
_, err = m.db.Exec("UPDATE `galleries` SET `zip` = '1' WHERE `id` = ?", id)
if err != nil {
return err
}
}
return rows.Err()
}); err != nil {
return err
}
if !gotSome {
break
}
if count%logEvery == 0 {
logger.Infof("Checked %d galleries", count)
}
}
return nil
}
func init() {
sqlite.RegisterPreMigration(32, pre32)
}