ApiApp.GetUsersApiKeyController.PostAPIKey C# (CSharp) Метод

        public string PostAPIKey([FromBody] string username, string apikey)
        {
            if (username.IsEmpty() || apikey.IsEmpty() || GeminiApp.Config.ApiKey.IsEmpty() || string.Compare(apikey, GeminiApp.Config.ApiKey, true) != 0)
            {
                string response = string.Empty;

                if (username.IsEmpty())
                {
                    response = "Missing Username ";
                }

                if (GeminiApp.Config.ApiKey.IsEmpty())
                {
                    response += "Web.config is missing API key ";
                }
                else
                {
                    response += "Wrong API key: " + apikey + " ";
                }

                return response;
            }

            var user = UserManager.Get(username);

            if (user == null)
            {
                return "Wrong username";
            }
            else
            {
                return user.Entity.ApiKey;
            }
        }