109 lines
4.3 KiB
C#
109 lines
4.3 KiB
C#
// (c) Copyright Ascensio System SIA 2010-2022
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//
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// This program is a free software product.
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// You can redistribute it and/or modify it under the terms
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// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
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// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
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// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
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// any third-party rights.
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//
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// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
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// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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//
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// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
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//
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// The interactive user interfaces in modified source and object code versions of the Program must
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// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
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//
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// Pursuant to Section 7(b) of the License you must retain the original Product logo when
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// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
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// trademark law for use of our trademarks.
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//
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// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
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// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
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// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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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 ILogger _logger;
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private readonly NotifyServiceCfg _notifyServiceCfg;
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private readonly IServiceScopeFactory _scopeFactory;
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private readonly TimeSpan _waitingPeriod = TimeSpan.FromHours(8);
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public NotifyCleanerService(IOptions<NotifyServiceCfg> notifyServiceCfg, IServiceScopeFactory serviceScopeFactory, ILoggerProvider options)
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{
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_logger = options.CreateLogger("ASC.NotifyCleaner");
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_notifyServiceCfg = notifyServiceCfg.Value;
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_scopeFactory = 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.InformationNotifyCleanerRunning();
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stoppingToken.Register(() => _logger.Debug("NotifyCleanerService background task is stopping."));
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while (!stoppingToken.IsCancellationRequested)
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{
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using var serviceScope = _scopeFactory.CreateScope();
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var registerInstanceService = serviceScope.ServiceProvider.GetService<IRegisterInstanceManager<NotifyCleanerService>>();
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if (!await registerInstanceService.IsActive(RegisterInstanceWorkerService<NotifyCleanerService>.InstanceId))
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{
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_logger.Debug($"Notify Clean Service background task with instance id {RegisterInstanceWorkerService<NotifyCleanerService>.InstanceId} is't active.");
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await Task.Delay(1000, stoppingToken);
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continue;
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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.InformationNotifyCleanerStopping();
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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 = _scopeFactory.CreateScope();
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using var dbContext = scope.ServiceProvider.GetService<DbContextManager<NotifyDbContext>>().Get(_notifyServiceCfg.ConnectionStringName);
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var strategy = dbContext.Database.CreateExecutionStrategy();
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strategy.Execute(() =>
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{
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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.InformationClearNotifyMessages(info.Count, queue.Count);
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});
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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.ErrorClear(err);
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}
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}
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}
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