public async Task UpdateAnswer(apiModels.Answer answer)
        {
            if (answer == null)
            {
                throw new ArgumentNullException(nameof(answer));
            }

            var text = answer.Text.TrimToNull();

            if (text == null)
            {
                throw new InvalidOperationException("Answer With Empty Text cannot be updated!");
            }

            var dbModel = await _dbContext.Answer.FirstOrDefaultAsync(q => q.Id == answer.Id) ?? throw new InvalidOperationException("Wrong Answer Id Provided.");

            dbModel.Text = text;
            _dbContext.Answer.Update(dbModel);
            await _dbContext.SaveChangesAsync();
        }
        public async Task CreateAnswer(int questionId, apiModels.Answer answer)
        {
            if (answer == null)
            {
                throw new ArgumentNullException(nameof(answer));
            }

            var text = answer.Text.TrimToNull();

            if (text == null)
            {
                throw new InvalidOperationException("Answer With Empty Text cannot be created!");
            }

            var dbQuestion = await _dbContext.Question.FirstOrDefaultAsync(q => q.Id == questionId) ?? throw new InvalidOperationException("Wrong Question Id Provided.");

            var dbModel = new Answer {
                Text = text, QuestionId = dbQuestion.Id
            };

            _dbContext.Answer.Add(dbModel);
            await _dbContext.SaveChangesAsync();
        }