photoprism/internal/maps/location.go
Michael Mayer 52b57e9fba Backend: Add maps package
Signed-off-by: Michael Mayer <michael@liquidbytes.net>
2019-12-20 11:30:58 +01:00

75 lines
1.3 KiB
Go

package maps
import (
"strings"
olc "github.com/google/open-location-code/go"
"github.com/photoprism/photoprism/internal/maps/osm"
)
// Photo location
type Location struct {
ID string `gorm:"primary_key"`
Lat float64
Lng float64
Title string
City string
Suburb string
State string
Country string
Region string
Label string
}
func (l *Location) FromOSM(o osm.Location) {
l.Lat = o.Latitude()
l.Lng = o.Longitude()
if l.Unknown() {
log.Warnf("maps: unknown location")
l.Label = "unknown"
return
}
l.ID = olc.Encode(l.Lat, l.Lng, 11)
l.Title = o.Title()
l.City = o.City()
l.Suburb = o.Suburb()
l.State = o.State()
l.Country = o.Country()
l.Region = l.region()
l.Label = o.Label()
}
func (l *Location) Unknown() bool {
if l.Lng == 0.0 && l.Lat == 0.0 {
return true
}
return false
}
func (l *Location) region() string {
if l.Unknown() {
return "Unknown"
}
var countryName = Countries[l.Country]
var loc []string
shortCountry := len([]rune(countryName)) <= 20
shortCity := len([]rune(l.City)) <= 20
if shortCity && l.City != "" {
loc = append(loc, l.City)
}
if shortCountry && l.State != "" && l.City != l.State {
loc = append(loc, l.State)
}
if countryName != "" {
loc = append(loc, countryName)
}
return strings.Join(loc[:], ", ")
}