63 lines
2.1 KiB
C#
63 lines
2.1 KiB
C#
namespace ASC.Notify.Services;
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[Singletone]
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public class NotifyCleanerService : BackgroundService
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{
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private readonly ILog _logger;
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private readonly NotifyServiceCfg _notifyServiceCfg;
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private readonly IServiceScopeFactory _serviceScopeFactory;
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private readonly TimeSpan _waitingPeriod = TimeSpan.FromHours(8);
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public NotifyCleanerService(IOptions<NotifyServiceCfg> notifyServiceCfg, IServiceScopeFactory serviceScopeFactory, IOptionsMonitor<ILog> options)
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{
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_logger = options.Get("ASC.NotifyCleaner");
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_notifyServiceCfg = notifyServiceCfg.Value;
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_serviceScopeFactory = serviceScopeFactory;
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}
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protected override async Task ExecuteAsync(CancellationToken stoppingToken)
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{
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_logger.Info("Notify Cleaner Service running.");
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while (!stoppingToken.IsCancellationRequested)
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{
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Clear();
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await Task.Delay(_waitingPeriod, stoppingToken);
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}
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_logger.Info("Notify Cleaner Service is stopping.");
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}
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private void Clear()
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{
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try
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{
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var date = DateTime.UtcNow.AddDays(-_notifyServiceCfg.StoreMessagesDays);
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using var scope = _serviceScopeFactory.CreateScope();
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using var dbContext = scope.ServiceProvider.GetService<DbContextManager<NotifyDbContext>>().Get(_notifyServiceCfg.ConnectionStringName);
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using var tx = dbContext.Database.BeginTransaction();
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var info = dbContext.NotifyInfo.Where(r => r.ModifyDate < date && r.State == 4).ToList();
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var queue = dbContext.NotifyQueue.Where(r => r.CreationDate < date).ToList();
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dbContext.NotifyInfo.RemoveRange(info);
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dbContext.NotifyQueue.RemoveRange(queue);
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dbContext.SaveChanges();
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tx.Commit();
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_logger.InfoFormat("Clear notify messages: notify_info({0}), notify_queue ({1})", info.Count, queue.Count);
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}
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catch (ThreadAbortException)
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{
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// ignore
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}
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catch (Exception err)
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{
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_logger.Error(err);
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}
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}
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}
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