/// <summary>
        /// Incrementing the TimesSeen of a vacancy
        /// </summary>
        /// <param name="vacancyid">id of the vacancy to increment</param>
        public void IncrementTimesSeen(int vacancyid)
        {
            Dictionary <string, object> parameters = new Dictionary <string, object>
            {
                { "@vacancyid", vacancyid }
            };

            string query = @"UPDATE reg_vacatures
                             SET vacature_keer_bekeken = vacature_keer_bekeken + 1
                             WHERE vacature_id = @vacancyid";

            vacancyRepository.IncrementTimesSeen(query, parameters);
        }