stash/internal/manager/checksum.go

47 lines
1.3 KiB
Go

package manager
import (
"context"
"errors"
"github.com/stashapp/stash/pkg/models"
)
type SceneMissingHashCounter interface {
CountMissingChecksum(ctx context.Context) (int, error)
CountMissingOSHash(ctx context.Context) (int, error)
}
// ValidateVideoFileNamingAlgorithm validates changing the
// VideoFileNamingAlgorithm configuration flag.
//
// If setting VideoFileNamingAlgorithm to MD5, then this function will ensure
// that all checksum values are set on all scenes.
//
// Likewise, if VideoFileNamingAlgorithm is set to oshash, then this function
// will ensure that all oshash values are set on all scenes.
func ValidateVideoFileNamingAlgorithm(ctx context.Context, qb SceneMissingHashCounter, newValue models.HashAlgorithm) error {
// if algorithm is being set to MD5, then all checksums must be present
if newValue == models.HashAlgorithmMd5 {
missingMD5, err := qb.CountMissingChecksum(ctx)
if err != nil {
return err
}
if missingMD5 > 0 {
return errors.New("some checksums are missing on scenes. Run Scan with calculateMD5 set to true")
}
} else if newValue == models.HashAlgorithmOshash {
missingOSHash, err := qb.CountMissingOSHash(ctx)
if err != nil {
return err
}
if missingOSHash > 0 {
return errors.New("some oshash values are missing on scenes. Run Scan to populate")
}
}
return nil
}