public static IEnumerable <object[]> Interpolated_TestData()
        {
            var cqCodeMessage          = SendingMessage.At(123456789);
            var textMessage            = "hello";
            var imageMessage           = SendingMessage.LocalImage("/a.jpg");
            var multipleSegmentMessage = SendingMessage.At(123456789) + "hello" + SendingMessage.LocalImage("/a.jpg");
            {
                yield return(new object[] { SendingMessage.FromInterpolated($"{1}"), "1" });

                yield return(new object[] { SendingMessage.FromInterpolated($"{cqCodeMessage},你好"), cqCodeMessage + ",你好" });

                yield return(new object[] { SendingMessage.FromInterpolated($"{multipleSegmentMessage},你好"), multipleSegmentMessage + ",你好" });

                yield return(new object[] { SendingMessage.FromInterpolated($"{cqCodeMessage}{textMessage}"), cqCodeMessage + textMessage });

                yield return(new object[] { SendingMessage.FromInterpolated($"{textMessage}{cqCodeMessage},[]& {23}"), textMessage + cqCodeMessage + ",[]& " + 23.ToString() });
            }
        }
        public async Task ProcessAsync(Sisters.WudiLib.Posts.Message message, HttpApiClient api)
        {
            var osuApi = OsuApi;

            // 获取操作者信息。
            var operatorBind = await Database.GetBindingIdAsync(_operator);

            if (!operatorBind.Success)
            {
                await api.SendMessageAsync(message.Endpoint, "查询数据库失败,无法记录日志。");

                return;
            }
            string operatorName = (await osuApi.GetUserInfoAsync(operatorBind.Result.Value, OsuMixedApi.Mode.Standard)).Item2?.Name ?? "未知";

            // 获取此用户名的相关信息。
            var(networkSuccess, newUser) = await osuApi.GetUserInfoAsync(_username, OsuMixedApi.Mode.Standard);

            if (!networkSuccess)
            {
                await api.SendMessageAsync(message.Endpoint, "网络访问失败。");

                return;
            }
            ExecutingException.Cannot(newUser == null, "没有这个用户。");

            // 绑定。
            var oldBind = (await Database.ResetBindingAsync(
                               qq: _qq,
                               osuId: newUser.Id,
                               osuName: newUser.Name,
                               source: "由管理员修改",
                               operatorId: _operator,
                               operatorName: operatorName,
                               reason: _reason
                               )).EnsureSuccess("绑定失败,数据库访问出错。");

            ExecutingException.Cannot(oldBind.Result == newUser.Id, "未更改绑定,因为已经绑定了该账号。");

            SendingMessage message1 = new SendingMessage("将") + SendingMessage.At(_qq) + new SendingMessage($"绑定为{newUser.Name}。");

            if (oldBind.Result == null)
            {
                await api.SendMessageAsync(message.Endpoint, message1);

                return;
            }

            // 获取旧的用户信息。
            OsuMixedApi.UserInfo oldUser;
            (networkSuccess, oldUser) = await osuApi.GetUserInfoAsync(oldBind.Result.Value, OsuMixedApi.Mode.Standard);

            if (!networkSuccess)
            {
                message1 += new SendingMessage($"因网络问题,无法获取旧的用户名(id: {oldBind.Result.Value})。");
            }
            else if (oldUser == null)
            {
                message1 += new SendingMessage($"以前绑定的用户已经被 Ban(id: {oldBind.Result.Value})。");
            }
            else
            {
                message1 += new SendingMessage($"取代{oldUser.Name}({oldUser.Id})。");
            }
            await api.SendMessageAsync(message.Endpoint, message1);
        }