public async Task <IActionResult> CreateReply([FromBody] CreateReplyCmd createReplyCmd)
        {
            var expr = from createReplyResult in QuestionDomain.CreateReply(createReplyCmd.QuestionId, createReplyCmd.Body)
                       let reply = createReplyResult.SafeCast <ReplyCreated>().Select(r => r)
                                   from checkLanguageResult in QuestionDomain.CheckLanguage(createReplyCmd.Body)
                                   from questionOwnerAckResult in QuestionDomain.AckQuestionOwner(createReplyCmd.QuestionId, "Some message") //de aici se poate extrage questionOwnerId
                                   from replyAuthorAckResult in QuestionDomain.AckReplyAuthor(createReplyCmd.replyId, "some notify message") //de aici se poate extrage replyAuthodId
                                   select new { createReplyResult, questionOwnerAckResult, replyAuthorAckResult };                           //evenimentele returnate de workflow
            var ctx = new QuestionReadContext(new List <Post>());
            var r   = await _interpreter.Interpret(expr, ctx);

            await _dbContext.SaveChangesAsync();

            return(r.createReplyResult.Match(
                       Created => (IActionResult)OK(new Object()),
                       NotCreated => BadRequest(new Object())
                       ));
        }