public List <TweetModel> GetAllTweetsOfUser(string loginId) { List <TweetModel> tweetModels = new List <TweetModel>(); UserModel user = new UserModel(); user = _userRepository.FindByCondition(x => x.username.Equals(loginId)); if (user != null) { tweetModels = _tweetRepository.FindAllByCondition(x => x.username.Equals(user.username)); } return(tweetModels); }