Example #1
0
        /// <summary>
        /// Check is exist id, save isCorrect in db and if isCorrect == true - update score for user
        /// </summary>
        ///<table style=""width:100%"">
        ///<tr>
        ///    <th>ERROR#</th>
        ///    <th>ERROR CODE</th>
        ///    <th>ERROR DESCRIPTION</th>
        ///</tr>
        ///<tr>
        ///    <td>5012</td>
        ///    <td>NOT_EXIST_QUESTION_ID</td>
        ///    <td>Question Id is not exist in data base</td>
        ///</tr>
        ///<tr>
        ///    <td>5011</td>
        ///    <td>NOT_EXIST_USER_ID</td>
        ///    <td>Student Id is not exist in data base</td>
        ///</tr>
        ///<tr>
        ///    <td>9006</td>
        ///    <td>DATA_BASE_ERROR</td>
        ///    <td></td>
        ///</tr>
        ///</table>
        /// <param name="questionId"></param>
        /// <param name="studentId"></param>
        /// <param name="request"></param>
        /// <returns></returns>
        public Errors ConfirmAnswer(int questionId, int studentId, ConfirmAnswerRequest request)
        {
            try
            {
                if (!_dbManager.isExistUserId(studentId))
                {
                    return(Errors.NOT_EXIST_USER_ID);
                }

                if (!_dbManager.isExistQuestionId(questionId))
                {
                    return(Errors.NOT_EXIST_QUESTION_ID);
                }

                ConfirmAnswerDBRequest answer = new ConfirmAnswerDBRequest()
                {
                    QuestionId = questionId,
                    UserId     = studentId,
                    IsCorrect  = request.IsCorrect
                };

                _dbManager.ConfirmAnswer(answer);

                if (request.IsCorrect)
                {
                    _dbManager.UpdateSurveyScore(answer);
                }

                return(Errors.OK);
            }
            catch (Exception ex)
            {
                _logger.Error(ex.Message);
                return(Errors.DATA_BASE_ERROR);
            }
        }