rog_app/lib/services/maxtrix_service.dart

// import 'dart:convert';
// import 'package:http/http.dart' as http;
// import 'package:rogapp/model/destination.dart';


// class MatrixService{

//   static Future<Map<String, dynamic>>  getDestinations(List<Destination> destinations) async {

//     String locs = "";
//     String origin = "";
//     int i = 0;
//     for(Destination d in destinations){

//       print("---- getting matrix for ${d} ------------");

//       if(i==0){
//         origin = "${d.lat}, ${d.lon}";
//       }

//       print("lat is ${d.lat}, long is ${d.lon}");
//       locs += "${d.lat}, ${d.lon}|";
//       i++;
//     }

//     //print(locs);

//     Map<String, dynamic> cats = {};
//     String url = "https://maps.googleapis.com/maps/api/distancematrix/json?destinations=${locs}&origins=${origin}&key=AIzaSyAUBI1ablMKuJwGj2-kSuEhvYxvB1A-mOE";
//     print(url);
//     final http.Response response = await http.get(
//       Uri.parse(url),
//       headers: <String, String>{
//         'Content-Type': 'application/json; charset=UTF-8',
//       }
//     );

//     if (response.statusCode == 200) {
//       cats = json.decode(utf8.decode(response.bodyBytes));
//     }
//     return cats;
//   }


// }