clean architecture

readme.md

clean architecture

Created with <3 with dartpad.dev.

main.dart

void main() async {
  Login auth = Login(new AuthRepoImpl());
  User? loginResult =
      await auth.call(LoginModel(userName: "taghassan54", userPass: "123456"));

  print(loginResult?.id);
  print(loginResult?.user);
}
//abstract USECASE
abstract class UseCase<Type, Param> {
  Future<Type> call(Param params);
}

class NoParams {}

//LOGIN USERCASE
class Login implements UseCase<User?, LoginModel> {
  final AuthRepo loginRepository;

  Login(this.loginRepository);

  @override
  Future<User?> call(LoginModel params) async {
    return await loginRepository.login(
        params.userName, params.userPass);
  }
}

//LOGIN PARAM MODEL
class LoginModel {
  final String userName;
  final String userPass;

  LoginModel({required this.userName, required this.userPass});
}

//user reponse model

class User {
  final int id;
  final String user;

  User({
    required this.id,
    required this.user,
  });
}

// DataSource 
class LoginUserDataSource {
  Future<User?> login(userName, userPass) async {
    if (userName == "taghassan54" && userPass == "123456") {
      return User(id: 1, user: "admin");
    } else {
      return null;
    }
  }
}

// abstract Repo
abstract class AuthRepo {
  Future<User?> login(userName, userPass);
}

//Auth Repo
class AuthRepoImpl extends AuthRepo {
  LoginUserDataSource datasource = new LoginUserDataSource();
  Future<User?> login(userName, userPass) async {
    return await datasource.login(userName, userPass);
  }
}