2020-05-26 21:51:34 +02:00
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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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2020-05-31 17:45:58 +02:00
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"github.com/photoprism/photoprism/pkg/fs"
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2020-05-26 21:51:34 +02:00
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"github.com/photoprism/photoprism/pkg/txt"
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)
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2020-05-31 17:45:58 +02:00
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// EstimateCountry updates the photo with an estimated country if possible.
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func (m *Photo) EstimateCountry() {
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2020-06-10 18:26:05 +02:00
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if m.HasLatLng() || m.HasLocation() || m.HasPlace() || m.HasCountry() && m.LocationSrc != SrcAuto && m.LocationSrc != SrcEstimate {
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2020-05-31 17:45:58 +02:00
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// Do nothing.
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return
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}
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unknown := UnknownCountry.ID
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countryCode := unknown
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if code := txt.CountryCode(m.PhotoTitle); code != unknown {
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countryCode = code
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}
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if countryCode == unknown && fs.NonCanonical(m.PhotoName) {
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if code := txt.CountryCode(m.PhotoName); code != unknown {
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countryCode = code
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} else if code := txt.CountryCode(m.PhotoPath); code != unknown {
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countryCode = code
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}
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}
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if countryCode == unknown && m.OriginalName != "" && fs.NonCanonical(m.OriginalName) {
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if code := txt.CountryCode(m.OriginalName); code != UnknownCountry.ID {
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countryCode = code
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}
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}
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if countryCode != unknown {
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m.PhotoCountry = countryCode
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2020-06-10 18:26:05 +02:00
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m.LocationSrc = SrcEstimate
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2020-05-31 17:45:58 +02:00
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log.Debugf("photo: probable country for %s is %s", m, txt.Quote(m.CountryName()))
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}
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}
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// EstimatePlace updates the photo with an estimated place and country if possible.
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func (m *Photo) EstimatePlace() {
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2020-06-10 18:26:05 +02:00
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if m.HasLatLng() || m.HasLocation() || m.HasPlace() && m.LocationSrc != SrcAuto && m.LocationSrc != SrcEstimate {
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2020-05-31 17:45:58 +02:00
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// Do nothing.
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return
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}
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2020-05-26 21:51:34 +02:00
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var recentPhoto Photo
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2020-05-30 14:52:47 +02:00
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var dateExpr string
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2020-05-26 21:51:34 +02:00
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2020-05-30 14:52:47 +02:00
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switch DbDialect() {
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case MySQL:
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dateExpr = "ABS(DATEDIFF(taken_at, ?)) ASC"
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case SQLite:
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dateExpr = "ABS(JulianDay(taken_at) - JulianDay(?)) ASC"
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default:
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log.Errorf("photo: unknown sql dialect %s", DbDialect())
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return
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}
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if err := UnscopedDb().
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2020-05-30 01:41:47 +02:00
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Where("place_id <> '' AND place_id <> 'zz' AND loc_src <> '' AND loc_src <> ?", SrcEstimate).
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2020-05-30 14:52:47 +02:00
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Order(gorm.Expr(dateExpr, m.TakenAt)).
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Preload("Place").First(&recentPhoto).Error; err != nil {
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2020-05-31 17:45:58 +02:00
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log.Errorf("photo: %s (estimate place)", err.Error())
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m.EstimateCountry()
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2020-05-30 14:52:47 +02:00
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} else {
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if days := recentPhoto.TakenAt.Sub(m.TakenAt) / (time.Hour * 24); days < -7 {
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2020-05-31 17:45:58 +02:00
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log.Debugf("photo: can't estimate position of %s, %d days time difference", m, -1*days)
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2020-05-30 14:52:47 +02:00
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} else if days > -7 {
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2020-05-31 17:45:58 +02:00
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log.Debugf("photo: can't estimate position of %s, %d days time difference", m, days)
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} else if recentPhoto.HasPlace() {
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2020-05-26 21:51:34 +02:00
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m.Place = recentPhoto.Place
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2020-05-29 12:56:24 +02:00
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m.PlaceID = recentPhoto.PlaceID
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2020-05-26 21:51:34 +02:00
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m.PhotoCountry = recentPhoto.PhotoCountry
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2020-06-10 18:26:05 +02:00
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m.LocationSrc = SrcEstimate
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2020-05-31 17:45:58 +02:00
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log.Debugf("photo: approximate position of %s is %s (id %s)", m, txt.Quote(m.CountryName()), recentPhoto.PlaceID)
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2020-05-28 15:12:18 +02:00
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} else if recentPhoto.HasCountry() {
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m.PhotoCountry = recentPhoto.PhotoCountry
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2020-06-10 18:26:05 +02:00
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m.LocationSrc = SrcEstimate
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2020-05-31 17:45:58 +02:00
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log.Debugf("photo: probable country for %s is %s", m, txt.Quote(m.CountryName()))
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} else {
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m.EstimateCountry()
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2020-05-26 21:51:34 +02:00
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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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2020-05-31 17:45:58 +02:00
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m.EstimatePlace()
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2020-05-26 21:51:34 +02:00
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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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2020-05-28 15:12:18 +02:00
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w := txt.UniqueWords(txt.Words(m.Details.Keywords))
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2020-05-26 21:51:34 +02:00
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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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2020-05-28 21:20:42 +02:00
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log.Errorf("photo: %s", err.Error())
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2020-05-26 21:51:34 +02:00
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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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