62 lines
2.0 KiB
C#
62 lines
2.0 KiB
C#
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using Microsoft.Extensions.Hosting;
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namespace Service;
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/// <summary>
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/// 周期性账单后台服务
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/// </summary>
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public class PeriodicBillBackgroundService(
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IServiceProvider serviceProvider,
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ILogger<PeriodicBillBackgroundService> logger
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) : BackgroundService
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{
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protected override async Task ExecuteAsync(CancellationToken stoppingToken)
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{
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logger.LogInformation("周期性账单后台服务已启动");
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while (!stoppingToken.IsCancellationRequested)
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{
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try
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{
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var now = DateTime.Now;
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// 计算下次执行时间（每天早上6点）
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var nextRun = now.Date.AddHours(6);
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if (now >= nextRun)
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{
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nextRun = nextRun.AddDays(1);
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}
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var delay = nextRun - now;
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logger.LogInformation("下次执行周期性账单检查时间: {NextRun}, 延迟: {Delay}",
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nextRun.ToString("yyyy-MM-dd HH:mm:ss"), delay);
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await Task.Delay(delay, stoppingToken);
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if (stoppingToken.IsCancellationRequested)
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break;
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// 执行周期性账单检查
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using (var scope = serviceProvider.CreateScope())
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{
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var periodicService = scope.ServiceProvider.GetRequiredService<ITransactionPeriodicService>();
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await periodicService.ExecutePeriodicBillsAsync();
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}
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}
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catch (OperationCanceledException)
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{
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logger.LogInformation("周期性账单后台服务已取消");
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break;
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}
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catch (Exception ex)
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{
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logger.LogError(ex, "周期性账单后台服务执行出错");
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// 出错后等待1小时再重试
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await Task.Delay(TimeSpan.FromHours(1), stoppingToken);
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}
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}
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logger.LogInformation("周期性账单后台服务已停止");
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}
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}
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