feat: sort places by distance

mobile/lib/models/places/place_result.model.dart

@@ -0,0 +1,77 @@
+import 'dart:convert';
+
+class PlaceResult {
+  /// The label to show associated with this curated object
+  final String label;
+
+  /// The id to lookup the asset from the server
+  final String id;
+
+  /// The latitude of the location
+  final double latitude;
+
+  /// The longitude of the location
+  final double longitude;
+
+  PlaceResult({
+    required this.label,
+    required this.id,
+    required this.latitude,
+    required this.longitude,
+  });
+
+  PlaceResult copyWith({
+    String? label,
+    String? id,
+    double? latitude,
+    double? longitude,
+  }) {
+    return PlaceResult(
+      label: label ?? this.label,
+      id: id ?? this.id,
+      latitude: latitude ?? this.latitude,
+      longitude: longitude ?? this.longitude,
+    );
+  }
+
+  Map<String, dynamic> toMap() {
+    return <String, dynamic>{
+      'label': label,
+      'id': id,
+      'latitude': latitude,
+      'longitude': longitude,
+    };
+  }
+
+  factory PlaceResult.fromMap(Map<String, dynamic> map) {
+    return PlaceResult(
+      label: map['label'] as String,
+      id: map['id'] as String,
+      latitude: map['latitude'] as double,
+      longitude: map['longitude'] as double,
+    );
+  }
+
+  String toJson() => json.encode(toMap());
+
+  factory PlaceResult.fromJson(String source) =>
+      PlaceResult.fromMap(json.decode(source) as Map<String, dynamic>);
+
+  @override
+  String toString() =>
+      'CuratedContent(label: $label, id: $id, latitude: $latitude, longitude: $longitude)';
+
+  @override
+  bool operator ==(covariant PlaceResult other) {
+    if (identical(this, other)) return true;
+
+    return other.label == label &&
+        other.id == id &&
+        other.latitude == latitude &&
+        other.longitude == longitude;
+  }
+
+  @override
+  int get hashCode =>
+      label.hashCode ^ id.hashCode ^ latitude.hashCode ^ longitude.hashCode;
+}