extended location and latlng models

lib/model/latlng.dart

@@ -12,4 +12,18 @@ class LatLng {
   Map<String, double> toJson() {
     return {'lat': lat, 'lng': lng};
   }
+
+  @override
+  bool operator ==(Object other) {
+    if (other is! LatLng) return false;
+    return hashCode == other.hashCode;
+  }
+
+  @override
+  int get hashCode => Object.hash(lat, lng);
+
+  @override
+  String toString() {
+    return '${lat.toString()}, ${lng.toString()}';
+  }
 }

lib/model/location.dart

@@ -1,19 +1,34 @@
 import 'latlng.dart';
 
 class Location {
+  final String name;
   final LatLng coordinates;
   final String address;
 
-  Location({required this.coordinates, this.address = ''});
+  Location({required this.name, required this.coordinates, this.address = ''});
 
   factory Location.fromJson(Map<String, dynamic> json) {
     return Location(
+      name: json['name'] as String,
       address: json['address'] as String,
       coordinates: LatLng.fromJson(json['coordinates']),
     );
   }
 
   Map<String, dynamic> toJson() {
-    return {'address': address, 'coordinates': coordinates.toJson()};
+    return {
+      'name': name,
+      'address': address,
+      'coordinates': coordinates.toJson(),
+    };
   }
+
+  @override
+  bool operator ==(Object other) {
+    if (other is! Location) return false;
+    return hashCode == other.hashCode;
+  }
+
+  @override
+  int get hashCode => coordinates.hashCode;
 }