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migrate_scene_screenshots.go
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/
migrate_scene_screenshots.go
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package task
import (
"context"
"errors"
"io"
"os"
"path/filepath"
"strings"
"github.com/stashapp/stash/pkg/job"
"github.com/stashapp/stash/pkg/logger"
"github.com/stashapp/stash/pkg/scene"
"github.com/stashapp/stash/pkg/txn"
)
type MigrateSceneScreenshotsJob struct {
ScreenshotsPath string
Input scene.MigrateSceneScreenshotsInput
SceneRepo scene.HashFinderCoverUpdater
TxnManager txn.Manager
}
func (j *MigrateSceneScreenshotsJob) Execute(ctx context.Context, progress *job.Progress) {
var err error
progress.ExecuteTask("Counting files", func() {
var count int
count, err = j.countFiles(ctx)
progress.SetTotal(count)
})
if err != nil {
logger.Errorf("Error counting files: %s", err.Error())
return
}
progress.ExecuteTask("Migrating files", func() {
err = j.migrateFiles(ctx, progress)
})
if job.IsCancelled(ctx) {
logger.Info("Cancelled migrating scene screenshots")
return
}
if err != nil {
logger.Errorf("Error migrating scene screenshots: %v", err)
return
}
logger.Infof("Finished migrating scene screenshots")
}
func (j *MigrateSceneScreenshotsJob) countFiles(ctx context.Context) (int, error) {
f, err := os.Open(j.ScreenshotsPath)
if err != nil {
return 0, err
}
defer f.Close()
const batchSize = 1000
ret := 0
files, err := f.ReadDir(batchSize)
for err == nil && ctx.Err() == nil {
ret += len(files)
files, err = f.ReadDir(batchSize)
}
if errors.Is(err, io.EOF) {
// end of directory
return ret, nil
}
return 0, err
}
func (j *MigrateSceneScreenshotsJob) migrateFiles(ctx context.Context, progress *job.Progress) error {
f, err := os.Open(j.ScreenshotsPath)
if err != nil {
return err
}
defer f.Close()
m := scene.ScreenshotMigrator{
Options: j.Input,
SceneUpdater: j.SceneRepo,
TxnManager: j.TxnManager,
}
const batchSize = 1000
files, err := f.ReadDir(batchSize)
for err == nil && ctx.Err() == nil {
for _, f := range files {
if ctx.Err() != nil {
return nil
}
progress.ExecuteTask("Migrating file "+f.Name(), func() {
defer progress.Increment()
path := filepath.Join(j.ScreenshotsPath, f.Name())
// sanity check - only process files
if f.IsDir() {
logger.Warnf("Skipping directory %s", path)
return
}
// ignore non-jpg files
if !strings.HasSuffix(f.Name(), ".jpg") {
return
}
// ignore .thumb files
if strings.HasSuffix(f.Name(), ".thumb.jpg") {
return
}
if err := m.MigrateScreenshots(ctx, path); err != nil {
logger.Errorf("Error migrating screenshots for %s: %v", path, err)
}
})
}
files, err = f.ReadDir(batchSize)
}
if errors.Is(err, io.EOF) {
// end of directory
return nil
}
return err
}