photoprism/internal/auto/index.go

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package auto
import (
"path/filepath"
"sync"
"time"
"github.com/photoprism/photoprism/internal/api"
"github.com/photoprism/photoprism/internal/entity"
"github.com/photoprism/photoprism/internal/event"
"github.com/photoprism/photoprism/internal/i18n"
"github.com/photoprism/photoprism/internal/mutex"
"github.com/photoprism/photoprism/internal/photoprism"
"github.com/photoprism/photoprism/internal/service"
)
var autoIndex = time.Time{}
var indexMutex = sync.Mutex{}
// ResetIndex resets the auto index trigger time.
func ResetIndex() {
indexMutex.Lock()
defer indexMutex.Unlock()
autoIndex = time.Time{}
}
// ShouldIndex sets the auto index trigger to the current time.
func ShouldIndex() {
indexMutex.Lock()
defer indexMutex.Unlock()
autoIndex = time.Now()
}
// mustIndex tests if auto indexing must be started.
func mustIndex(delay time.Duration) bool {
if delay.Seconds() <= 0 {
return false
}
indexMutex.Lock()
defer indexMutex.Unlock()
return !autoIndex.IsZero() && autoIndex.Sub(time.Now()) < -1*delay && !mutex.MainWorker.Busy()
}
// Index starts indexing originals e.g. after WebDAV uploads.
func Index() error {
if mutex.MainWorker.Busy() {
return nil
}
conf := service.Config()
start := time.Now()
path := conf.OriginalsPath()
ind := service.Index()
indOpt := photoprism.IndexOptions{
Rescan: false,
Convert: conf.Settings().Index.Convert && conf.SidecarWritable(),
Path: entity.RootPath,
Stack: true,
}
indexed := ind.Start(indOpt)
if len(indexed) == 0 {
return nil
}
api.RemoveFromFolderCache(entity.RootOriginals)
prg := service.Purge()
prgOpt := photoprism.PurgeOptions{
Path: filepath.Clean(entity.RootPath),
Ignore: indexed,
}
if files, photos, err := prg.Start(prgOpt); err != nil {
return err
} else if len(files) > 0 || len(photos) > 0 {
event.InfoMsg(i18n.MsgRemovedFilesAndPhotos, len(files), len(photos))
}
event.Publish("index.updating", event.Data{
"step": "moments",
})
moments := service.Moments()
if err := moments.Start(); err != nil {
log.Warnf("moments: %s", err)
}
elapsed := int(time.Since(start).Seconds())
msg := i18n.Msg(i18n.MsgIndexingCompletedIn, elapsed)
event.Success(msg)
event.Publish("index.completed", event.Data{"path": path, "seconds": elapsed})
api.UpdateClientConfig()
return nil
}