Biwen.Settings如何添加对IConfiguration&IOptions的集成支持

    [Description("Github配置")]
    public class GithubSetting : ValidationSettingBase
    {
        [Description("Github用户名")]
        public string? UserName { get; set; } = "vipwan";
        [Description("Github仓库")]
        public string? Repository { get; set; } = "Biwen.Settings";
        [Description("Github Token")]
        public string? Token { get; set; } = "";
        public GithubSetting()
        {
            //验证规则
            RuleFor(x => x.UserName).NotEmpty().Length(3, 128);
            RuleFor(x => x.Repository).NotNull().NotEmpty().Length(3, 128);
            RuleFor(x => x.Token).NotNull().NotEmpty().Length(3, 128);
        }
    }

@inject GithubSetting GithubSetting;//直接对象注入

    internal class Events
    {
        /// 

        /// Channel队列
        /// 
        public static readonly Channel<(bool IsChanged, string? SettingName)> ConfigrationChangedChannel = Channel.CreateUnbounded<(bool IsChanged, string? SettingName)>();
    }
    internal sealed class BiwenSettingConfigurationSource(bool autoRefresh = true) : IConfigurationSource
    {
        public IConfigurationProvider Build(IConfigurationBuilder builder) => new BiwenSettingConfigurationProvider(autoRefresh);
    }
    internal class BiwenSettingConfigurationProvider : ConfigurationProvider, IDisposable, IAsyncDisposable
    {
        public BiwenSettingConfigurationProvider(bool autoRefresh)
        {
            if (Settings.ServiceRegistration.ServiceProvider is null)
            {
                throw new BiwenException("必须首先注册Biwen.Setting模块,请调用:services.AddBiwenSettings()");
            }
            if (autoRefresh)
            {
                StartAlertAsync(cts.Token);
            }
        }
        private CancellationTokenSource cts = new();
        /// 

        /// 使用Channel通知配置变更,如果有事件更新则重新加载
        /// 
        /// 
        /// 
        public Task StartAlertAsync(CancellationToken cancellationToken)
        {
            _ = Task.Run(async () =>
            {
                while (!cancellationToken.IsCancellationRequested)
                {
                    _ = await Events.ConfigrationChangedChannel.Reader.ReadAsync(cancellationToken);
                    Load();
                    //通知配置变更
                    OnReload();
                }
            }, cancellationToken);
            return Task.CompletedTask;
        }
		//从SettingManager中加载配置项
        public override void Load()
        {
            Dictionary dics = [];
            using var scope = Settings.ServiceRegistration.ServiceProvider.CreateScope();
            var settingManager = scope.ServiceProvider.GetRequiredService();
            var settings = settingManager.GetAllSettings()!;
            foreach (var setting in settings)
            {
                if (setting.SettingContent is null) continue;
                if (JsonNode.Parse(setting.SettingContent) is not JsonObject json) continue;
                foreach (var item in json)
                {
                    dics.TryAdd($"{setting.SettingName}:{item.Key}", item.Value?.ToString());
                }
            }
            Data = dics;
        }
        public void Dispose()
        {
            cts.Cancel();
            Events.ConfigrationChangedChannel.Writer.Complete();
        }
        public ValueTask DisposeAsync()
        {
            cts.Cancel();
            Events.ConfigrationChangedChannel.Writer.Complete();
            return ValueTask.CompletedTask;
        }
    }

    internal class ConfigurationMediratorDoneHandler(ILogger logger) : IMediratorDoneHandler
    {
        public Task OnPublishedAsync(T @event) where T : ISetting, new()
        {            Events.ConfigrationChangedChannel.Writer.TryWrite((true, typeof(T).Name));
            logger.LogInformation($"Setting Changed: {typeof(T).Name},并通知Configuration刷新!");
            return Task.CompletedTask;
        }
    }

    public static class ServiceRegistration
    {
        internal static IServiceCollection AddBiwenSettingConfiguration(this IServiceCollection services)
        {
            //ConfigurationMediratorDoneHandler
            services.AddSingleton();
            return services;
        }
        /// 

        /// 提供对IConfiguration,IOptions的支持
        /// 
        /// 
        /// 
        /// 
        public static ConfigurationManager AddBiwenSettingConfiguration(
            this ConfigurationManager manager, IServiceCollection serviceDescriptors, bool autoRefresh = true)
        {
            var sp = Settings.ServiceRegistration.ServiceProvider ?? throw new BiwenException("必须首先注册Biwen.Setting模块,请调用:services.AddBiwenSettings()");
            //添加订阅
            if (autoRefresh)
            {
 serviceDescriptors.AddBiwenSettingConfiguration();
            }
            IConfigurationBuilder configBuilder = manager;
            configBuilder.Add(new BiwenSettingConfigurationSource(autoRefresh));
            var settings = ASS.InAllRequiredAssemblies.ThatInherit(typeof(ISetting)).Where(x => x.IsClass && !x.IsAbstract).ToList();
            //注册ISetting
            settings.ForEach(x =>
            {
                //IOptions DI
                manager?.GetSection(x.Name).Bind(GetSetting(x, sp));
            });
            return manager;
        }
        static object GetSetting(Type x, IServiceProvider sp)
        {
            var settingManager = sp.GetRequiredService();
            var cache = sp.GetRequiredService();
            //使用缓存避免重复反射
            var md = cache.GetOrCreate($"GenericMethod_{x.FullName}", entry =>
            {
                MethodInfo methodLoad = settingManager.GetType().GetMethod(nameof(settingManager.Get))!;
                MethodInfo generic = methodLoad.MakeGenericMethod(x);
                return generic;
            });
            return md!.Invoke(settingManager, null)!;
        }
    }

builder.Configuration.AddBiwenSettingConfiguration(builder.Services, true);

@inject GithubSetting GithubSetting;//直接对象注入
@inject IOptions IOP; //通过IOptions注入
@inject IConfiguration Configuration;//IConfiguration
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