feature-next-arch/lib/features/auth/domain/usecases/login_usecase.dart

import 'package:fpdart/fpdart.dart';

import '../../../../core/domain/entities/user_entity.dart';
import '../../../../core/domain/usecases/base_usecase.dart';
import '../errors/auth_failure.dart';
import '../repositories/auth_repository.dart';

class LoginUseCase implements BaseUseCase<UserEntity, LoginParams> {
  final AuthRepository repository;

  LoginUseCase(this.repository);

  @override
  Future<Either<AuthFailure, UserEntity>> call(LoginParams params) async {
    return await repository.login(
      params.username,
      params.password,
      params.sourceType,
    );
  }
}

class LoginParams {
  final String username;
  final String password;
  final int sourceType; //1:web; 2:mobile; 3:mini_programs; 4:pc

  LoginParams(this.username, this.password, this.sourceType);
}