rog_app/lib/services/location_service.dart

import 'dart:convert';

import 'package:geojson/geojson.dart';
import 'package:http/http.dart' as http;

class LocationService{

   static Future<GeoJsonFeatureCollection?> loadLocations() async {
    String url = 'http://container.intranet.sumasen.net:8100/api/location/';
    final response = await http.get(Uri.parse(url),
      headers: <String, String>{
        'Content-Type': 'application/json; charset=UTF-8',
      },
    );

    if (response.statusCode == 200) {

    return featuresFromGeoJson(utf8.decode(response.bodyBytes));
    }
    return null;
  }

  static Future<GeoJsonFeatureCollection?> loadLocationsFor(String perfecture) async {
    String url = 'http://container.intranet.sumasen.net:8100/api/inperf/?perf=' + perfecture;
    final response = await http.get(Uri.parse(url),
      headers: <String, String>{
        'Content-Type': 'application/json; charset=UTF-8',
      },
    );

    if (response.statusCode == 200) {
      GeoJsonFeatureCollection cc =  await featuresFromGeoJson(utf8.decode(response.bodyBytes));
      //print(cc);
      return cc; //featuresFromGeoJson(utf8.decode(response.bodyBytes));
    }
    return null;
  }


  static Future<GeoJsonFeatureCollection?> loadLocationsSubFor(String subperfecture) async {
    String url = 'http://container.intranet.sumasen.net:8100/api/insubperf?subperf=' + subperfecture;
    final response = await http.get(Uri.parse(url),
      headers: <String, String>{
        'Content-Type': 'application/json; charset=UTF-8',
      },
    );

    if (response.statusCode == 200) {
      GeoJsonFeatureCollection cc =  await featuresFromGeoJson(utf8.decode(response.bodyBytes));
      //print(cc);
      return cc; //featuresFromGeoJson(utf8.decode(response.bodyBytes));
    }
    return null;
  }



}