func SearchNearestStations() {
if len(os.Args) < 3 {
fmt.Println("Try nearest <lat>,<lon>")
return
}
latlon := strings.Split(os.Args[2], ",")
if len(latlon) != 2 {
fmt.Println("Try nearest <lat>,<lon>")
return
}
coords := [2]float64{}
for i, c := range latlon {
coords[i], _ = strconv.ParseFloat(c, 64)
}
x, y := openapi.GeodeticToGrid(coords[0], coords[1])
api := openapi.NewOpenAPI()
result, err := api.NearestStation(x, y, 1000)
if err != nil {
fmt.Println(err)
return
}
PrintNearestStopAreas(result.NearestStopAreas)
}
func NearestStationsHandler(w http.ResponseWriter, req *http.Request) {
var lat, lon float64
var err error
path := req.URL.Path
segments := strings.Split(path, "/")
lastSegment := segments[len(segments)-1]
latlon := strings.Split(lastSegment, ",")
if len(latlon) != 2 {
http.Error(w, "Coordinates should be <lat>,<lon>", 400)
return
}
if lat, err = strconv.ParseFloat(latlon[0], 64); err != nil {
http.Error(w, "Illegal coordinate", 400)
return
}
if lon, err = strconv.ParseFloat(latlon[1], 64); err != nil {
http.Error(w, "Illegal coordinate", 400)
return
}
api := GetApiClient(req)
x, y := openapi.GeodeticToGrid(lat, lon)
result, err := api.NearestStation(x, y, 500)
if err != nil {
http.Error(w, "Could not find stations nearby", 500)
return
}
WriteGeoJSONHeaders(w)
result.WriteJSON(w)
}