public bool deleteEvent(Guid id)
        {
            BiletiEvent biletiEvent = DbContext.BiletiEvents.Where(x => x.Id == id).FirstOrDefault();

            if (biletiEvent != null)
            {
                DbContext.Remove(biletiEvent);
                DbContext.SaveChanges();

                return(true);
            }

            return(false);
        }
        public bool deleteUser(Guid id)
        {
            User user = DbContext.Users.Where(x => x.Id == id).FirstOrDefault();

            if (user != null)
            {
                DbContext.Remove(user);
                DbContext.SaveChanges();

                return(true);
            }

            return(false);
        }
        public bool deleteOrganization(Guid id)
        {
            Organization organization = DbContext.Organizations.Where(x => x.Id == id).FirstOrDefault();

            if (organization != null)
            {
                DbContext.Remove(organization);
                DbContext.SaveChanges();

                return(true);
            }

            return(false);
        }