stash/pkg/manager/task_generate_phash.go

65 lines
1.5 KiB
Go

package manager
import (
"context"
"database/sql"
"fmt"
"github.com/stashapp/stash/pkg/logger"
"github.com/stashapp/stash/pkg/models"
)
type GeneratePhashTask struct {
Scene models.Scene
Overwrite bool
fileNamingAlgorithm models.HashAlgorithm
txnManager models.TransactionManager
}
func (t *GeneratePhashTask) GetDescription() string {
return fmt.Sprintf("Generating phash for %s", t.Scene.Path)
}
func (t *GeneratePhashTask) Start(ctx context.Context) {
if !t.shouldGenerate() {
return
}
ffprobe := instance.FFProbe
videoFile, err := ffprobe.NewVideoFile(t.Scene.Path, false)
if err != nil {
logger.Errorf("error reading video file: %s", err.Error())
return
}
sceneHash := t.Scene.GetHash(t.fileNamingAlgorithm)
generator, err := NewPhashGenerator(*videoFile, sceneHash)
if err != nil {
logger.Errorf("error creating phash generator: %s", err.Error())
return
}
hash, err := generator.Generate()
if err != nil {
logger.Errorf("error generating phash: %s", err.Error())
return
}
if err := t.txnManager.WithTxn(context.TODO(), func(r models.Repository) error {
qb := r.Scene()
hashValue := sql.NullInt64{Int64: int64(*hash), Valid: true}
scenePartial := models.ScenePartial{
ID: t.Scene.ID,
Phash: &hashValue,
}
_, err := qb.Update(scenePartial)
return err
}); err != nil {
logger.Error(err.Error())
}
}
func (t *GeneratePhashTask) shouldGenerate() bool {
return t.Overwrite || !t.Scene.Phash.Valid
}