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package db
import (
"errors"
"fmt"
"os"
"path/filepath"
"github.com/google/uuid"
)
// DeleteDB will rename all the database files for the given user to a directory within the same folder to avoid
// issues with ent not being able to close the database on demand. The database will be cleaned up on the next
// run on the Gluon server.
func DeleteDB(dir, userID string) error {
// Rather than deleting the files immediately move them to a directory to be cleaned up later.
deferredDeletePath := GetDeferredDeleteDBPath(dir)
if err := os.MkdirAll(deferredDeletePath, 0o700); err != nil {
return fmt.Errorf("failed to create deferred delete dir: %w", err)
}
matchingFiles, err := filepath.Glob(filepath.Join(dir, userID+"*"))
if err != nil {
return fmt.Errorf("failed to match db files:%w", err)
}
for _, file := range matchingFiles {
// Use new UUID to avoid conflict with existing files
if err := os.Rename(file, filepath.Join(deferredDeletePath, uuid.NewString())); err != nil {
return fmt.Errorf("failed to move db file '%v' :%w", file, err)
}
}
return nil
}
// DeleteDeferredDBFiles deletes all data from previous databases that were scheduled for removal.
func DeleteDeferredDBFiles(dir string) error {
deferredDeleteDir := GetDeferredDeleteDBPath(dir)
if err := os.RemoveAll(deferredDeleteDir); err != nil {
if !errors.Is(err, os.ErrNotExist) {
return err
}
}
return nil
}
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