98 lines
1.7 KiB
Go
98 lines
1.7 KiB
Go
package maps
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import (
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"errors"
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"strings"
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olc "github.com/google/open-location-code/go"
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"github.com/photoprism/photoprism/internal/maps/osm"
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)
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const SourceOSM = "osm"
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// Photo location
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type Location struct {
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ID string `gorm:"primary_key"`
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LocLat float64
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LocLng float64
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LocTitle string
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LocCity string
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LocSuburb string
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LocState string
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LocCountry string
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LocRegion string
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LocLabel string
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LocSource string
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}
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func (l *Location) Query(lat, lng float64) error {
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return l.QueryOpenStreetMap(lat, lng)
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}
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func (l *Location) QueryOpenStreetMap(lat, lng float64) error {
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o, err := osm.FindLocation(lat, lng)
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if err != nil {
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return err
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}
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return l.OpenStreetMap(o)
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}
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func (l *Location) OpenStreetMap(o osm.Location) error {
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l.LocSource = SourceOSM
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l.LocLat = o.Latitude()
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l.LocLng = o.Longitude()
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if l.Unknown() {
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l.LocLabel = "unknown"
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return errors.New("maps: unknown location")
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}
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l.ID = olc.Encode(l.LocLat, l.LocLng, 11)
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l.LocTitle = o.Title()
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l.LocCity = o.City()
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l.LocSuburb = o.Suburb()
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l.LocState = o.State()
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l.LocCountry = o.Country()
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l.LocRegion = l.region()
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l.LocLabel = o.Label()
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return nil
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}
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func (l *Location) Unknown() bool {
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if l.LocLng == 0.0 && l.LocLat == 0.0 {
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return true
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}
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return false
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}
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func (l *Location) region() string {
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if l.Unknown() {
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return "Unknown"
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}
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var countryName = Countries[l.LocCountry]
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var loc []string
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shortCountry := len([]rune(countryName)) <= 20
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shortCity := len([]rune(l.LocCity)) <= 20
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if shortCity && l.LocCity != "" {
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loc = append(loc, l.LocCity)
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}
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if shortCountry && l.LocState != "" && l.LocCity != l.LocState {
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loc = append(loc, l.LocState)
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}
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if countryName != "" {
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loc = append(loc, countryName)
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}
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return strings.Join(loc[:], ", ")
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}
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