291 lines
6.7 KiB
Go
291 lines
6.7 KiB
Go
package entity
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import (
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"fmt"
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"strings"
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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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"github.com/photoprism/photoprism/pkg/txt"
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"gopkg.in/photoprism/go-tz.v2/tz"
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)
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// UnknownLocation tests if the photo has an unknown location.
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func (m *Photo) UnknownLocation() bool {
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return m.CellID == "" || m.CellID == UnknownLocation.ID || m.NoLatLng()
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}
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// HasLocation tests if the photo has a known location.
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func (m *Photo) HasLocation() bool {
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return !m.UnknownLocation()
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}
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// LocationLoaded tests if the photo has a known location that is currently loaded.
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func (m *Photo) LocationLoaded() bool {
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if m.Cell == nil {
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return false
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}
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if m.Cell.Place == nil {
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return false
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}
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return !m.Cell.Unknown() && m.Cell.ID == m.CellID
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}
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// LoadLocation loads the photo location from the database if not done already.
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func (m *Photo) LoadLocation() error {
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if m.LocationLoaded() {
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return nil
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}
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if m.UnknownLocation() {
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return fmt.Errorf("photo: unknown location (%s)", m)
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}
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var location Cell
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err := Db().Preload("Place").First(&location, "id = ?", m.CellID).Error
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if err != nil {
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return err
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}
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if location.Place == nil {
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location.Place = &UnknownPlace
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location.PlaceID = UnknownPlace.ID
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}
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m.Cell = &location
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return nil
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}
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// PlaceLoaded checks if the photo has a known place that is currently loaded.
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func (m *Photo) PlaceLoaded() bool {
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if m.Place == nil {
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return false
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}
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return !m.Place.Unknown() && m.Place.ID == m.PlaceID
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}
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// LoadPlace loads the photo place from the database if not done already.
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func (m *Photo) LoadPlace() error {
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if m.PlaceLoaded() {
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return nil
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}
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if m.UnknownPlace() {
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return fmt.Errorf("photo: unknown place (%s)", m)
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}
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var place Place
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err := Db().First(&place, "id = ?", m.PlaceID).Error
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if err != nil {
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return err
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}
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m.Place = &place
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return nil
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}
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// HasLatLng checks if the photo has a latitude and longitude.
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func (m *Photo) HasLatLng() bool {
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return m.PhotoLat != 0.0 || m.PhotoLng != 0.0
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}
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// NoLatLng checks if latitude and longitude are missing.
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func (m *Photo) NoLatLng() bool {
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return !m.HasLatLng()
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}
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// UnknownPlace checks if the photo has an unknown place.
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func (m *Photo) UnknownPlace() bool {
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return m.PlaceID == "" || m.PlaceID == UnknownPlace.ID
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}
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// HasPlace checks if the photo has a known place.
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func (m *Photo) HasPlace() bool {
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return !m.UnknownPlace()
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}
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// HasCountry checks if the photo has a known country.
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func (m *Photo) HasCountry() bool {
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return !m.UnknownCountry()
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}
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// UnknownCountry checks if the photo has an unknown country.
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func (m *Photo) UnknownCountry() bool {
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return m.CountryCode() == UnknownCountry.ID
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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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location, 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"), location); 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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// GetTakenAtLocal returns local time for TakenAt.
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func (m *Photo) GetTakenAtLocal() time.Time {
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location, err := time.LoadLocation(m.TimeZone)
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if err != nil {
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return m.TakenAtLocal
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}
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if takenAtLocal, err := time.ParseInLocation("2006-01-02T15:04:05", m.TakenAt.In(location).Format("2006-01-02T15:04:05"), time.UTC); err != nil {
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return m.TakenAtLocal
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} else {
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return takenAtLocal.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() (keywords []string, labels classify.Labels) {
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if m.HasLatLng() {
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var location = NewCell(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: failed fetching geo data (uid %s, cell %s)", m.PhotoUID, location.ID)
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} else if err == nil && location.ID != UnknownLocation.ID {
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m.Cell = location
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m.CellID = 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))
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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.Cell = &UnknownLocation
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m.CellID = UnknownLocation.ID
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// Remove place estimate if better data is available.
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if SrcPriority[m.PlaceSrc] > SrcPriority[SrcEstimate] {
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m.Place = &UnknownPlace
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m.PlaceID = UnknownPlace.ID
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}
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} else if err := m.LoadLocation(); err == nil {
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m.Place = m.Cell.Place
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m.PlaceID = m.Cell.PlaceID
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} else {
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log.Warnf("photo: location %s not found in %s", m.CellID, m.PhotoName)
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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.Warnf("photo: place %s not found in %s", m.PlaceID, m.PhotoName)
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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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// SaveLocation updates location data and saves the photo metadata back to the index.
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func (m *Photo) SaveLocation() error {
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locKeywords, labels := m.UpdateLocation()
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m.AddLabels(labels)
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w := txt.UniqueWords(txt.Words(m.GetDetails().Keywords))
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w = append(w, locKeywords...)
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m.GetDetails().Keywords = strings.Join(txt.UniqueWords(w), ", ")
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if err := m.SyncKeywordLabels(); err != nil {
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log.Errorf("photo %s: %s while syncing keywords and labels", m.PhotoUID, err)
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}
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if err := m.UpdateTitle(m.ClassifyLabels()); err != nil {
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log.Info(err)
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}
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if err := m.IndexKeywords(); err != nil {
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log.Errorf("photo %s: %s while indexing keywords", m.PhotoUID, err)
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}
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return m.Save()
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}
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