public string Post([FromBody] Users value)
        {
            if (!dbContext.Users.Any(user => user.Login.Equals(value.Login)))
            {
                Users user = new Users();
                user.Id        = value.Id;
                user.Firstname = value.Firstname;
                user.Lastname  = value.Lastname;
                user.Role      = value.Role;
                user.Phone     = value.Phone;
                user.Email     = value.Email;
                user.Login     = value.Login;
                user.Password  = value.Password;

                try
                {
                    dbContext.Add(user);
                    dbContext.SaveChanges();
                    return(JsonConvert.SerializeObject("User created"));
                }
                catch (Exception e)
                {
                    return(JsonConvert.SerializeObject(e.InnerException.Message));
                }
            }
            else
            {
                return(JsonConvert.SerializeObject("User already exists"));
            }
        }
        public string Post([FromBody] Managers value)
        {
            Managers manager = new Managers();

            manager.Id      = value.Id;
            manager.UserId  = value.UserId;
            manager.HotelId = value.HotelId;

            try
            {
                dbContext.Add(manager);
                dbContext.SaveChanges();
                return(JsonConvert.SerializeObject("Manager added"));
            }
            catch (Exception e)
            {
                return(JsonConvert.SerializeObject(e.InnerException.Message));
            }
        }