public OkResult AddContact([FromBody] ContactInfoDto contactInfoDto)
        {
            var contactInfoEntity = new ContactInfo
            {
                Email        = contactInfoDto.Email,
                Surname      = contactInfoDto.Surname,
                Name         = contactInfoDto.Name,
                Phone        = contactInfoDto.Phone,
                Answer       = contactInfoDto.Answer,
                CourseName   = contactInfoDto.CourseName,
                CourseNumber = contactInfoDto.CourseNumber,
                Degree       = contactInfoDto.Degree,
                Created      = DateTime.Now
            };

            _contactInfoRepository.InsertIfNotExists(contactInfoEntity);

            return(Ok());
        }