130 lines
3 KiB
Go
130 lines
3 KiB
Go
package entity
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import (
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"time"
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"github.com/photoprism/photoprism/internal/classify"
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"github.com/photoprism/photoprism/internal/maps"
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"gopkg.in/ugjka/go-tz.v2/tz"
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)
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// GetTimeZone uses PhotoLat and PhotoLng to guess the time zone of the photo.
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func (m *Photo) GetTimeZone() string {
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result := "UTC"
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if m.HasLatLng() {
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zones, err := tz.GetZone(tz.Point{
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Lat: float64(m.PhotoLat),
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Lon: float64(m.PhotoLng),
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})
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if err == nil && len(zones) > 0 {
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result = zones[0]
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}
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}
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return result
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}
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// CountryName returns the photo country name.
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func (m *Photo) CountryName() string {
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if name, ok := maps.CountryNames[m.CountryCode()]; ok {
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return name
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}
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return UnknownCountry.CountryName
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}
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// CountryCode returns the photo country code.
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func (m *Photo) CountryCode() string {
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if len(m.PhotoCountry) != 2 {
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m.PhotoCountry = UnknownCountry.ID
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}
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return m.PhotoCountry
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}
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// GetTakenAt returns UTC time for TakenAtLocal.
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func (m *Photo) GetTakenAt() time.Time {
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loc, err := time.LoadLocation(m.TimeZone)
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if err != nil {
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return m.TakenAt
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}
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if takenAt, err := time.ParseInLocation("2006-01-02T15:04:05", m.TakenAtLocal.Format("2006-01-02T15:04:05"), loc); err != nil {
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return m.TakenAt
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} else {
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return takenAt.UTC()
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}
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}
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// UpdateLocation updates location and labels based on latitude and longitude.
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func (m *Photo) UpdateLocation(geoApi string) (keywords []string, labels classify.Labels) {
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if m.HasLatLng() {
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var location = NewLocation(m.PhotoLat, m.PhotoLng)
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err := location.Find(geoApi)
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if location.Place == nil {
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log.Warnf("photo: location place is nil (uid %s, location %s) - bug?", m.PhotoUID, location.ID)
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}
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if err == nil && location.Place != nil && location.ID != UnknownLocation.ID {
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m.Location = location
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m.LocationID = location.ID
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m.Place = location.Place
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m.PlaceID = location.PlaceID
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m.PhotoCountry = location.CountryCode()
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if m.TakenSrc != SrcManual {
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m.TimeZone = m.GetTimeZone()
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m.TakenAt = m.GetTakenAt()
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}
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FirstOrCreateCountry(NewCountry(location.CountryCode(), location.CountryName()))
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locCategory := location.Category()
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keywords = append(keywords, location.Keywords()...)
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// Append category from reverse location lookup
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if locCategory != "" {
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labels = append(labels, classify.LocationLabel(locCategory, 0, -1))
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}
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return keywords, labels
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}
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}
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keywords = []string{}
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labels = classify.Labels{}
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if m.UnknownLocation() {
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m.Location = &UnknownLocation
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m.LocationID = UnknownLocation.ID
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} else if err := m.LoadLocation(); err == nil {
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m.Place = m.Location.Place
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m.PlaceID = m.Location.PlaceID
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} else {
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log.Warn(err)
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}
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if m.UnknownPlace() {
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m.Place = &UnknownPlace
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m.PlaceID = UnknownPlace.ID
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} else if err := m.LoadPlace(); err == nil {
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m.PhotoCountry = m.Place.CountryCode()
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} else {
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log.Warn(err)
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}
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if m.UnknownCountry() {
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m.EstimateCountry()
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}
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if m.HasCountry() {
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FirstOrCreateCountry(NewCountry(m.CountryCode(), m.CountryName()))
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}
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return keywords, labels
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}
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