166 lines
2.7 KiB
Go
166 lines
2.7 KiB
Go
package maps
|
|
|
|
import (
|
|
"errors"
|
|
"strings"
|
|
|
|
"github.com/photoprism/photoprism/internal/maps/osm"
|
|
)
|
|
|
|
// Photo location
|
|
type Location struct {
|
|
ID string `gorm:"primary_key"`
|
|
CountryID string
|
|
LocLat float64
|
|
LocLng float64
|
|
LocCategory string
|
|
LocTitle string
|
|
LocDescription string
|
|
LocCity string
|
|
LocSuburb string
|
|
LocState string
|
|
LocSource string
|
|
}
|
|
|
|
type LocationSource interface {
|
|
CountryCode() string
|
|
Latitude() float64
|
|
Longitude() float64
|
|
Category() string
|
|
Title() string
|
|
City() string
|
|
Suburb() string
|
|
State() string
|
|
Source() string
|
|
}
|
|
|
|
func NewLocation(lat, lng float64) *Location {
|
|
id := OlcEncode(lat, lng)
|
|
|
|
result := &Location{
|
|
ID: id,
|
|
LocLat: lat,
|
|
LocLng: lng,
|
|
}
|
|
|
|
return result
|
|
}
|
|
|
|
func (l *Location) Query() error {
|
|
o, err := osm.FindLocation(l.LocLat, l.LocLng)
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return l.Assign(o)
|
|
}
|
|
|
|
func (l *Location) Assign(s LocationSource) error {
|
|
l.LocSource = s.Source()
|
|
|
|
if l.LocLat == 0 {
|
|
l.LocLat = s.Latitude()
|
|
}
|
|
if l.LocLng == 0 {
|
|
l.LocLng = s.Longitude()
|
|
}
|
|
|
|
if l.Unknown() {
|
|
l.LocCategory = "unknown"
|
|
return errors.New("maps: unknown location")
|
|
}
|
|
|
|
if l.ID == "" {
|
|
l.ID = OlcEncode(l.LocLat, l.LocLng)
|
|
}
|
|
|
|
l.LocTitle = s.Title()
|
|
l.LocCity = s.City()
|
|
l.LocSuburb = s.Suburb()
|
|
l.LocState = s.State()
|
|
l.CountryID = s.CountryCode()
|
|
l.LocCategory = s.Category()
|
|
l.LocDescription = l.description()
|
|
|
|
return nil
|
|
}
|
|
|
|
func (l *Location) Unknown() bool {
|
|
if l.LocLng == 0.0 && l.LocLat == 0.0 {
|
|
return true
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
func (l *Location) description() string {
|
|
if l.Unknown() {
|
|
return "Unknown"
|
|
}
|
|
|
|
var countryName = l.CountryName()
|
|
var loc []string
|
|
|
|
shortCountry := len([]rune(countryName)) <= 20
|
|
shortCity := len([]rune(l.LocCity)) <= 20
|
|
|
|
if shortCity && l.LocCity != "" {
|
|
loc = append(loc, l.LocCity)
|
|
}
|
|
|
|
if shortCountry && l.LocState != "" && l.LocCity != l.LocState {
|
|
loc = append(loc, l.LocState)
|
|
}
|
|
|
|
if countryName != "" {
|
|
loc = append(loc, countryName)
|
|
}
|
|
|
|
return strings.Join(loc[:], ", ")
|
|
}
|
|
|
|
func (l Location) Latitude() float64 {
|
|
return l.LocLat
|
|
}
|
|
|
|
func (l Location) Longitude() float64 {
|
|
return l.LocLng
|
|
}
|
|
|
|
func (l Location) Title() string {
|
|
return l.LocTitle
|
|
}
|
|
|
|
func (l Location) City() string {
|
|
return l.LocCity
|
|
}
|
|
|
|
func (l Location) Suburb() string {
|
|
return l.LocSuburb
|
|
}
|
|
|
|
func (l Location) State() string {
|
|
return l.LocState
|
|
}
|
|
|
|
func (l Location) Category() string {
|
|
return l.LocCategory
|
|
}
|
|
|
|
func (l Location) Source() string {
|
|
return l.LocSource
|
|
}
|
|
|
|
func (l Location) Region() string {
|
|
return l.LocDescription
|
|
}
|
|
|
|
func (l Location) CountryCode() string {
|
|
return l.CountryID
|
|
}
|
|
|
|
func (l Location) CountryName() string {
|
|
return CountryNames[l.CountryID]
|
|
}
|