public GetTweetByDateAndHashtagQueryResult Execute(GetTweetByDateAndHashtagQuery query) { var date = query.Date; var hashtag = query.Hashtag; var list = _tweetRepository.GetByDateAndHashtag(date, hashtag).ToList(); var tweetModelList = _mapper.Map <List <Tweet>, List <TweetModel> >(list); return(new GetTweetByDateAndHashtagQueryResult(tweetModelList)); }