Revert "refactor: 清理租户API旧模块代码"

This reverts commit 992930a821.

src/Modules/TakeoutSaaS.Module.Scheduler/Extensions/SchedulerServiceCollectionExtensions.cs

@@ -0,0 +1,85 @@
+using Hangfire;
+using Hangfire.PostgreSql;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Module.Scheduler.Abstractions;
+using TakeoutSaaS.Module.Scheduler.HostedServices;
+using TakeoutSaaS.Module.Scheduler.Jobs;
+using TakeoutSaaS.Module.Scheduler.Options;
+using TakeoutSaaS.Module.Scheduler.Services;
+
+namespace TakeoutSaaS.Module.Scheduler.Extensions;
+
+/// <summary>
+/// 调度模块注册扩展（默认 Hangfire）。
+/// </summary>
+public static class SchedulerServiceCollectionExtensions
+{
+    /// <summary>
+    /// 注册调度模块。
+    /// </summary>
+    public static IServiceCollection AddSchedulerModule(this IServiceCollection services, IConfiguration configuration)
+    {
+        services.AddOptions<SchedulerOptions>()
+            .Bind(configuration.GetSection("Scheduler"))
+            .ValidateDataAnnotations()
+            .ValidateOnStart();
+
+        services.AddOptions<SubscriptionAutomationOptions>()
+            .Bind(configuration.GetSection("Scheduler:SubscriptionAutomation"))
+            .ValidateDataAnnotations()
+            .ValidateOnStart();
+
+        services.AddOptions<BillingAutomationOptions>()
+            .Bind(configuration.GetSection("Scheduler:BillingAutomation"))
+            .ValidateDataAnnotations()
+            .ValidateOnStart();
+
+        services.AddHangfire((serviceProvider, config) =>
+        {
+            var options = serviceProvider.GetRequiredService<IOptionsMonitor<SchedulerOptions>>().CurrentValue;
+            config
+                .UseSimpleAssemblyNameTypeSerializer()
+                .UseRecommendedSerializerSettings()
+                .UsePostgreSqlStorage(storage =>
+                {
+                    storage.UseNpgsqlConnection(options.ConnectionString);
+                });
+        });
+
+        services.AddHangfireServer((serviceProvider, options) =>
+        {
+            var scheduler = serviceProvider.GetRequiredService<IOptionsMonitor<SchedulerOptions>>().CurrentValue;
+            options.WorkerCount = scheduler.WorkerCount ?? options.WorkerCount;
+        });
+
+        services.AddSingleton<IRecurringJobRegistrar, RecurringJobRegistrar>();
+        services.AddHostedService<RecurringJobHostedService>();
+
+        services.AddScoped<OrderTimeoutJob>();
+        services.AddScoped<CouponExpireJob>();
+        services.AddScoped<LogCleanupJob>();
+        services.AddScoped<SubscriptionRenewalReminderJob>();
+        services.AddScoped<SubscriptionExpiryCheckJob>();
+        services.AddScoped<SubscriptionAutoRenewalJob>();
+        services.AddScoped<BillingOverdueProcessJob>();
+
+        return services;
+    }
+
+    /// <summary>
+    /// 启用 Hangfire Dashboard（默认关闭，可通过配置开启）。
+    /// </summary>
+    public static IApplicationBuilder UseSchedulerDashboard(this IApplicationBuilder app, IConfiguration configuration)
+    {
+        var options = configuration.GetSection("Scheduler").Get<SchedulerOptions>();
+        if (options is { DashboardEnabled: true })
+        {
+            app.UseHangfireDashboard(options.DashboardPath);
+        }
+
+        return app;
+    }
+}