68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
package entity
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import (
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"errors"
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"strings"
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"time"
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"github.com/jinzhu/gorm"
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"github.com/photoprism/photoprism/pkg/txt"
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)
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// EstimatePosition updates the photo with an estimated geolocation if possible.
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func (m *Photo) EstimatePosition() {
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var recentPhoto Photo
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if result := UnscopedDb().
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Where("place_uid <> '' && place_uid <> 'zz'").
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Order(gorm.Expr("ABS(DATEDIFF(taken_at, ?)) ASC", m.TakenAt)).
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Preload("Place").First(&recentPhoto); result.Error == nil {
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if recentPhoto.HasPlace() {
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m.Place = recentPhoto.Place
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m.PlaceUID = recentPhoto.PlaceUID
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m.PhotoCountry = recentPhoto.PhotoCountry
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m.LocSrc = SrcEstimate
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log.Debugf("prism: approximate position of %s is %s", m.PhotoUID, recentPhoto.PlaceUID)
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} else if recentPhoto.HasCountry() {
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m.PhotoCountry = recentPhoto.PhotoCountry
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m.LocSrc = SrcEstimate
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log.Debugf("prism: probable country for %s is %s", m.PhotoUID, recentPhoto.PhotoCountry)
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}
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}
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}
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// Maintain photo data, improve if possible.
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func (m *Photo) Maintain() error {
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if !m.HasID() {
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return errors.New("photo: can't maintain, id is empty")
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}
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maintained := time.Now()
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m.MaintainedAt = &maintained
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if m.UnknownLocation() && (m.LocSrc == SrcAuto || m.LocSrc == SrcEstimate) {
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m.EstimatePosition()
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}
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labels := m.ClassifyLabels()
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m.UpdateYearMonth()
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if err := m.UpdateTitle(labels); err != nil {
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log.Warn(err)
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}
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if m.DetailsLoaded() {
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w := txt.UniqueWords(txt.Words(m.Details.Keywords))
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w = append(w, labels.Keywords()...)
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m.Details.Keywords = strings.Join(txt.UniqueWords(w), ", ")
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}
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if err := m.IndexKeywords(); err != nil {
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log.Errorf("photo: %s", err.Error())
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}
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m.PhotoQuality = m.QualityScore()
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return UnscopedDb().Save(m).Error
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}
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