photoprism/internal/workers/meta.go
2021-09-30 15:50:10 +02:00

148 lines
3.3 KiB
Go

package workers
import (
"errors"
"fmt"
"runtime"
"runtime/debug"
"time"
"github.com/photoprism/photoprism/internal/config"
"github.com/photoprism/photoprism/internal/entity"
"github.com/photoprism/photoprism/internal/mutex"
"github.com/photoprism/photoprism/internal/photoprism"
"github.com/photoprism/photoprism/internal/query"
)
// Meta represents a background metadata optimization worker.
type Meta struct {
conf *config.Config
}
// NewMeta returns a new Meta worker.
func NewMeta(conf *config.Config) *Meta {
return &Meta{conf: conf}
}
// originalsPath returns the original media files path as string.
func (m *Meta) originalsPath() string {
return m.conf.OriginalsPath()
}
// Start metadata optimization routine.
func (m *Meta) Start(delay time.Duration) (err error) {
defer func() {
if r := recover(); r != nil {
err = fmt.Errorf("metadata: %s (panic)\nstack: %s", r, debug.Stack())
log.Error(err)
}
}()
if err := mutex.MetaWorker.Start(); err != nil {
return err
}
defer mutex.MetaWorker.Stop()
log.Debugf("metadata: running facial recognition")
// Run faces worker.
if w := photoprism.NewFaces(m.conf); w.Disabled() {
log.Debugf("metadata: skipping facial recognition")
} else if err := w.Start(photoprism.FacesOptions{}); err != nil {
log.Warn(err)
}
log.Debugf("metadata: starting routine check")
settings := m.conf.Settings()
done := make(map[string]bool)
limit := 50
offset := 0
optimized := 0
// Run index optimization.
for {
photos, err := query.PhotosCheck(limit, offset, delay)
if err != nil {
return err
}
if len(photos) == 0 {
break
} else if offset == 0 {
}
for _, photo := range photos {
if mutex.MetaWorker.Canceled() {
return errors.New("metadata: check canceled")
}
if done[photo.PhotoUID] {
continue
}
done[photo.PhotoUID] = true
updated, merged, err := photo.Optimize(settings.StackMeta(), settings.StackUUID(), settings.Features.Estimates)
if err != nil {
log.Errorf("metadata: %s (optimize photo)", err)
} else if updated {
optimized++
log.Debugf("metadata: optimized photo %s", photo.String())
}
for _, p := range merged {
log.Infof("metadata: merged %s", p.PhotoUID)
done[p.PhotoUID] = true
}
}
if mutex.MetaWorker.Canceled() {
return errors.New("metadata: check canceled")
}
offset += limit
time.Sleep(100 * time.Millisecond)
}
if optimized > 0 {
log.Infof("metadata: optimized %d photos", optimized)
}
// Set photo quality scores to -1 if files are missing.
if err := query.ResetPhotoQuality(); err != nil {
log.Warnf("metadata: %s (reset quality)", err.Error())
}
// Run moments worker.
if w := photoprism.NewMoments(m.conf); w == nil {
log.Errorf("metadata: failed updating moments")
} else if err := w.Start(); err != nil {
log.Warn(err)
}
log.Debugf("metadata: updating photo counts")
// Update precalculated photo and file counts.
if err := entity.UpdatePhotoCounts(); err != nil {
log.Warnf("metadata: %s (update counts)", err.Error())
}
log.Debugf("metadata: updating preview images")
// Update album, subject, and label preview thumbs.
if err := query.UpdatePreviews(); err != nil {
log.Errorf("metadata: %s (update previews)", err)
}
// Run garbage collection.
runtime.GC()
return nil
}