forked from abdullahselek/go-here
/
reverse_geocoding.go
71 lines (60 loc) · 2.92 KB
/
reverse_geocoding.go
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package here
import (
"fmt"
"net/http"
"github.com/dghubble/sling"
)
// ReverseGeocodingService provides for HERE ReverseGeocoding api.
type ReverseGeocodingService struct {
sling *sling.Sling
}
// AddressFromLocationParameters used for fetching address from location.
type AddressFromLocationParameters struct {
Prox string `url:"prox"`
Mode string `url:"mode"`
MaxResults int `url:"maxresults"`
Gen int `url:"gen"`
APIKey string `url:"apiKey"`
}
// LandmarksParameters used for fetching address from location.
type LandmarksParameters struct {
Prox string `url:"prox"`
Mode string `url:"mode"`
Gen int `url:"gen"`
APIKey string `url:"apiKey"`
}
// newReverseGeocodingService returns a new GeocodingService.
func newReverseGeocodingService(sling *sling.Sling) *ReverseGeocodingService {
return &ReverseGeocodingService{
sling: sling,
}
}
// Returns prox as a formatted string.
func createProx(latlong [2]float32, diameter int) string {
prox := fmt.Sprintf("%f,%f,%d", latlong[0], latlong[1], diameter)
return prox
}
// CreateAddressFromLocationParameters creates AddressFromLocationParameters used for fetching address from location.
func (s *ReverseGeocodingService) CreateAddressFromLocationParameters(latlong [2]float32, diameter int, mode Enum, maxResults int, gen int, apiKey string) AddressFromLocationParameters {
addressFromLocationParameters := AddressFromLocationParameters{Prox: createProx(latlong, diameter), Mode: Enum.ValueOfReverseGeocodingMode(mode), MaxResults: maxResults, Gen: gen, APIKey: apiKey}
return addressFromLocationParameters
}
// CreateLandmarksParameters creates LandmarksParameters used for fetching address from location.
func (s *ReverseGeocodingService) CreateLandmarksParameters(latlong [2]float32, diameter int, gen int, apiKey string) LandmarksParameters {
landmarksParameters := LandmarksParameters{Prox: createProx(latlong, diameter), Mode: Enum.ValueOfReverseGeocodingMode(ReverseGeocodingMode.RetrieveLandmarks), Gen: gen, APIKey: apiKey}
return landmarksParameters
}
// AddressFromLocation returns address or addresses from given location.
func (s *ReverseGeocodingService) AddressFromLocation(params *AddressFromLocationParameters) (*GeocodingResponse, *http.Response, error) {
geocodingResponse := new(GeocodingResponse)
apiError := new(APIError)
resp, err := s.sling.New().Get("reversegeocode.json").QueryStruct(params).Receive(geocodingResponse, apiError)
return geocodingResponse, resp, relevantError(err, *apiError)
}
// Landmarks returns details of landmarks near to a given latitude and longitude.
func (s *ReverseGeocodingService) Landmarks(params *LandmarksParameters) (*GeocodingResponse, *http.Response, error) {
geocodingResponse := new(GeocodingResponse)
apiError := new(APIError)
resp, err := s.sling.New().Get("reversegeocode.json").QueryStruct(params).Receive(geocodingResponse, apiError)
return geocodingResponse, resp, relevantError(err, *apiError)
}