168 lines
3.6 KiB
Go
168 lines
3.6 KiB
Go
package places
|
|
|
|
import (
|
|
"crypto/sha1"
|
|
"encoding/json"
|
|
"fmt"
|
|
"net/http"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/photoprism/photoprism/pkg/s2"
|
|
"github.com/photoprism/photoprism/pkg/txt"
|
|
)
|
|
|
|
// Location represents a specific geolocation identified by its S2 ID.
|
|
type Location struct {
|
|
ID string `json:"id"`
|
|
LocLat float64 `json:"lat"`
|
|
LocLng float64 `json:"lng"`
|
|
LocName string `json:"name"`
|
|
LocStreet string `json:"street"`
|
|
LocPostcode string `json:"postcode"`
|
|
LocCategory string `json:"category"`
|
|
Place Place `json:"place"`
|
|
Cached bool `json:"-"`
|
|
}
|
|
|
|
const ApiName = "places"
|
|
|
|
var Key = "f60f5b25d59c397989e3cd374f81cdd7710a4fca"
|
|
var Secret = "photoprism"
|
|
var UserAgent = "PhotoPrism/0.0.0"
|
|
var ReverseLookupURL = "https://places.photoprism.app/v1/location/%s"
|
|
var client = &http.Client{Timeout: 60 * time.Second}
|
|
|
|
func FindLocation(id string) (result Location, err error) {
|
|
if len(id) > 16 || len(id) == 0 {
|
|
return result, fmt.Errorf("invalid cell %s (%s)", id, ApiName)
|
|
}
|
|
|
|
start := time.Now()
|
|
lat, lng := s2.LatLng(id)
|
|
|
|
if lat == 0.0 || lng == 0.0 {
|
|
return result, fmt.Errorf("skipping lat %f, lng %f (%s)", lat, lng, ApiName)
|
|
}
|
|
|
|
if hit, ok := cache.Get(id); ok {
|
|
log.Debugf("places: cache hit for lat %f, lng %f", lat, lng)
|
|
cached := hit.(Location)
|
|
cached.Cached = true
|
|
return cached, nil
|
|
}
|
|
|
|
url := fmt.Sprintf(ReverseLookupURL, id)
|
|
|
|
log.Debugf("places: sending request to %s", url)
|
|
|
|
req, err := http.NewRequest(http.MethodGet, url, nil)
|
|
|
|
if err != nil {
|
|
log.Errorf("places: %s", err.Error())
|
|
return result, err
|
|
}
|
|
|
|
req.Header.Set("User-Agent", UserAgent)
|
|
|
|
if Key != "" {
|
|
req.Header.Set("X-Key", Key)
|
|
req.Header.Set("X-Signature", fmt.Sprintf("%x", sha1.Sum([]byte(Key+url+Secret))))
|
|
}
|
|
|
|
var r *http.Response
|
|
|
|
for i := 0; i < 3; i++ {
|
|
r, err = client.Do(req)
|
|
|
|
if err == nil {
|
|
break
|
|
}
|
|
}
|
|
|
|
if err != nil {
|
|
log.Errorf("places: %s (http request)", err.Error())
|
|
return result, err
|
|
} else if r.StatusCode >= 400 {
|
|
err = fmt.Errorf("request failed with code %d (%s)", r.StatusCode, ApiName)
|
|
return result, err
|
|
}
|
|
|
|
err = json.NewDecoder(r.Body).Decode(&result)
|
|
|
|
if err != nil {
|
|
log.Errorf("places: %s (decode json)", err.Error())
|
|
return result, err
|
|
}
|
|
|
|
if result.ID == "" {
|
|
return result, fmt.Errorf("no result for %s (%s)", id, ApiName)
|
|
}
|
|
|
|
cache.SetDefault(id, result)
|
|
log.Debugf("places: cached cell %s [%s]", id, time.Since(start))
|
|
|
|
result.Cached = false
|
|
|
|
return result, nil
|
|
}
|
|
|
|
func (l Location) CellID() string {
|
|
return l.ID
|
|
}
|
|
|
|
func (l Location) PlaceID() string {
|
|
return l.Place.PlaceID
|
|
}
|
|
|
|
func (l Location) Name() (result string) {
|
|
return strings.SplitN(l.LocName, "/", 2)[0]
|
|
}
|
|
|
|
func (l Location) Street() (result string) {
|
|
return strings.SplitN(l.LocStreet, "/", 2)[0]
|
|
}
|
|
|
|
func (l Location) Postcode() (result string) {
|
|
return strings.SplitN(l.LocPostcode, "/", 2)[0]
|
|
}
|
|
|
|
func (l Location) Category() (result string) {
|
|
return l.LocCategory
|
|
}
|
|
|
|
func (l Location) Label() (result string) {
|
|
return l.Place.LocLabel
|
|
}
|
|
|
|
func (l Location) City() (result string) {
|
|
return l.Place.LocCity
|
|
}
|
|
|
|
func (l Location) District() (result string) {
|
|
return l.Place.LocDistrict
|
|
}
|
|
|
|
func (l Location) CountryCode() (result string) {
|
|
return l.Place.LocCountry
|
|
}
|
|
|
|
func (l Location) State() (result string) {
|
|
return txt.NormalizeState(l.Place.LocState, l.CountryCode())
|
|
}
|
|
|
|
func (l Location) Latitude() (result float64) {
|
|
return l.LocLat
|
|
}
|
|
|
|
func (l Location) Longitude() (result float64) {
|
|
return l.LocLng
|
|
}
|
|
|
|
func (l Location) Keywords() (result []string) {
|
|
return txt.UniqueWords(txt.Words(l.Place.LocKeywords))
|
|
}
|
|
|
|
func (l Location) Source() string {
|
|
return "places"
|
|
}
|