import 'dart:convert'; UserModel userModelJson(String str) => UserModel.fromJson(json.decode(str)); String userModelToJSON(UserModel data) => json.encode(data.toJson()); class UserModel { String email = ""; String userName = ""; String password = ""; UserModel( { required this.userName, required this.email, required this.password, } ); UserModel.login(String username, String pass) { username = username; password = pass; } factory UserModel.fromJson(Map json) => UserModel( email: json["email"], userName: json["username"], password: json["pass"]); Map toJson() => { "email": email, "username": userName, "pass": password }; String get getEmail => email; String get getUserName => userName; String get getPassword => password; }