120 lines
4.2 KiB
C#
120 lines
4.2 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.Core.Common.Hosting;
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[Scope]
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public class RegisterInstanceDao<T> : IRegisterInstanceDao<T> where T : IHostedService
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{
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private readonly ILogger _logger;
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private readonly IDbContextFactory<InstanceRegistrationContext> _dbContextFactory;
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public RegisterInstanceDao(
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ILogger<RegisterInstanceDao<T>> logger,
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IDbContextFactory<InstanceRegistrationContext> dbContextFactory)
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{
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_logger = logger;
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_dbContextFactory = dbContextFactory;
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}
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public async Task AddOrUpdate(InstanceRegistration obj)
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{
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using var _instanceRegistrationContext = _dbContextFactory.CreateDbContext();
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var inst = _instanceRegistrationContext.InstanceRegistrations.Find(obj.InstanceRegistrationId);
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if (inst == null)
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{
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await _instanceRegistrationContext.AddAsync(obj);
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}
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else
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{
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_instanceRegistrationContext.Entry(inst).CurrentValues.SetValues(obj);
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}
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bool saveFailed;
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do
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{
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saveFailed = false;
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try
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{
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await _instanceRegistrationContext.SaveChangesAsync();
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}
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catch (DbUpdateConcurrencyException ex)
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{
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_logger.TraceDbUpdateConcurrencyException(obj.InstanceRegistrationId, DateTimeOffset.Now);
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saveFailed = true;
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var entry = ex.Entries.Single();
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if (entry.State == EntityState.Modified)
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{
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entry.State = EntityState.Added;
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}
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}
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}
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while (saveFailed);
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}
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public async Task<IEnumerable<InstanceRegistration>> GetAll()
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{
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using var _instanceRegistrationContext = _dbContextFactory.CreateDbContext();
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return await _instanceRegistrationContext.InstanceRegistrations
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.Where(x => x.WorkerTypeName == typeof(T).GetFormattedName())
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.ToListAsync();
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}
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public async Task Delete(string instanceId)
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{
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using var _instanceRegistrationContext = _dbContextFactory.CreateDbContext();
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var item = _instanceRegistrationContext.InstanceRegistrations.Find(instanceId);
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if (item == null)
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{
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return;
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}
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_instanceRegistrationContext.InstanceRegistrations.Remove(item);
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try
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{
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await _instanceRegistrationContext.SaveChangesAsync();
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}
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catch (DbUpdateConcurrencyException ex)
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{
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var entry = ex.Entries.Single();
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if (entry.State == EntityState.Deleted)
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{
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entry.State = EntityState.Detached;
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}
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}
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}
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}
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