313 lines
9.7 KiB
C#
313 lines
9.7 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.Settings;
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[Singletone]
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public class DbSettingsManagerCache
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{
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public ICache Cache { get; }
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private readonly ICacheNotify<SettingsCacheItem> _notify;
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public DbSettingsManagerCache(ICacheNotify<SettingsCacheItem> notify, ICache cache)
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{
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Cache = cache;
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_notify = notify;
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_notify.Subscribe((i) => Cache.Remove(i.Key), CacheNotifyAction.Remove);
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}
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public void Remove(string key)
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{
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_notify.Publish(new SettingsCacheItem { Key = key }, CacheNotifyAction.Remove);
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}
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}
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[Scope]
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public class SettingsManager
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{
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private readonly TimeSpan _expirationTimeout = TimeSpan.FromMinutes(5);
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private readonly ILogger<SettingsManager> _logger;
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private readonly ICache _cache;
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private readonly IServiceProvider _serviceProvider;
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private readonly DbSettingsManagerCache _dbSettingsManagerCache;
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private readonly AuthContext _authContext;
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private readonly TenantManager _tenantManager;
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private readonly IDbContextFactory<WebstudioDbContext> _dbContextFactory;
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public SettingsManager(
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IServiceProvider serviceProvider,
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DbSettingsManagerCache dbSettingsManagerCache,
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ILogger<SettingsManager> logger,
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AuthContext authContext,
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TenantManager tenantManager,
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IDbContextFactory<WebstudioDbContext> dbContextFactory)
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{
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_serviceProvider = serviceProvider;
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_dbSettingsManagerCache = dbSettingsManagerCache;
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_authContext = authContext;
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_tenantManager = tenantManager;
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_dbContextFactory = dbContextFactory;
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_cache = dbSettingsManagerCache.Cache;
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_logger = logger;
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}
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private int TenantID
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{
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get
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{
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return _tenantManager.GetCurrentTenant().Id;
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}
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}
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private Guid CurrentUserID
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{
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get
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{
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return _authContext.CurrentAccount.ID;
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}
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}
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public void ClearCache<T>() where T : class, ISettings<T>
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{
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ClearCache<T>(TenantID);
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}
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public void ClearCache<T>(int tenantId) where T : class, ISettings<T>
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{
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var settings = Load<T>(tenantId, Guid.Empty);
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var key = settings.ID.ToString() + tenantId + Guid.Empty;
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_dbSettingsManagerCache.Remove(key);
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}
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public T GetDefault<T>() where T : class, ISettings<T>
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{
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var settingsInstance = ActivatorUtilities.CreateInstance<T>(_serviceProvider);
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return settingsInstance.GetDefault();
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}
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public T Load<T>() where T : class, ISettings<T>
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{
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return Load<T>(TenantID, Guid.Empty);
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}
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public T Load<T>(Guid userId) where T : class, ISettings<T>
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{
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return Load<T>(TenantID, userId);
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}
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public T Load<T>(UserInfo user) where T : class, ISettings<T>
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{
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return Load<T>(TenantID, user.Id);
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}
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public T Load<T>(int tenantId) where T : class, ISettings<T>
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{
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return Load<T>(tenantId, Guid.Empty);
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}
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public T LoadForDefaultTenant<T>() where T : class, ISettings<T>
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{
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return Load<T>(Tenant.DefaultTenant);
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}
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public T LoadForCurrentUser<T>() where T : class, ISettings<T>
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{
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return Load<T>(CurrentUserID);
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}
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public bool Save<T>(T data) where T : class, ISettings<T>
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{
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return Save(data, TenantID, Guid.Empty);
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}
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public bool Save<T>(T data, Guid userId) where T : class, ISettings<T>
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{
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return Save(data, TenantID, userId);
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}
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public bool Save<T>(T data, UserInfo user) where T : class, ISettings<T>
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{
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return Save(data, TenantID, user.Id);
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}
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public bool Save<T>(T data, int tenantId) where T : class, ISettings<T>
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{
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return Save(data, tenantId, Guid.Empty);
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}
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public bool SaveForDefaultTenant<T>(T data) where T : class, ISettings<T>
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{
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return Save(data, Tenant.DefaultTenant);
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}
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public bool SaveForCurrentUser<T>(T data) where T : class, ISettings<T>
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{
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return Save(data, CurrentUserID);
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}
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public bool Manage<T>(Action<T> action) where T : class, ISettings<T>
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{
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var settings = Load<T>();
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action(settings);
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return Save(settings);
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}
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public bool ManageForCurrentUser<T>(Action<T> action) where T : class, ISettings<T>
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{
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var settings = LoadForCurrentUser<T>();
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action(settings);
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return SaveForCurrentUser(settings);
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}
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internal T Load<T>(int tenantId, Guid userId) where T : class, ISettings<T>
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{
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var def = GetDefault<T>();
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var key = def.ID.ToString() + tenantId + userId;
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try
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{
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var settings = _cache.Get<T>(key);
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if (settings != null)
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{
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return settings;
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}
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using var webstudioDbContext = _dbContextFactory.CreateDbContext();
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var result = webstudioDbContext.WebstudioSettings
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.Where(r => r.Id == def.ID)
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.Where(r => r.TenantId == tenantId)
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.Where(r => r.UserId == userId)
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.Select(r => r.Data)
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.FirstOrDefault();
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if (result != null)
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{
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settings = Deserialize<T>(result);
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}
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else
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{
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settings = def;
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}
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_cache.Insert(key, settings, _expirationTimeout);
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return settings;
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}
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catch (Exception ex)
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{
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_logger.ErrorLoadSettingsFor(ex);
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}
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return def;
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}
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private bool Save<T>(T settings, int tenantId, Guid userId) where T : class, ISettings<T>
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{
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ArgumentNullException.ThrowIfNull(settings);
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using var webstudioDbContext = _dbContextFactory.CreateDbContext();
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try
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{
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var key = settings.ID.ToString() + tenantId + userId;
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var data = Serialize(settings);
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var def = GetDefault<T>();
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var defaultData = Serialize(def);
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if (data.SequenceEqual(defaultData))
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{
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var strategy = webstudioDbContext.Database.CreateExecutionStrategy();
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strategy.Execute(async () =>
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{
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using var webstudioDbContext = _dbContextFactory.CreateDbContext();
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using var tr = await webstudioDbContext.Database.BeginTransactionAsync();
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// remove default settings
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var s = webstudioDbContext.WebstudioSettings
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.Where(r => r.Id == settings.ID)
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.Where(r => r.TenantId == tenantId)
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.Where(r => r.UserId == userId)
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.FirstOrDefault();
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if (s != null)
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{
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webstudioDbContext.WebstudioSettings.Remove(s);
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}
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await webstudioDbContext.SaveChangesAsync();
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await tr.CommitAsync();
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}).GetAwaiter()
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.GetResult();
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}
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else
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{
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var s = new DbWebstudioSettings
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{
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Id = settings.ID,
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UserId = userId,
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TenantId = tenantId,
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Data = data
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};
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webstudioDbContext.AddOrUpdate(webstudioDbContext.WebstudioSettings, s);
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webstudioDbContext.SaveChanges();
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}
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_dbSettingsManagerCache.Remove(key);
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_cache.Insert(key, settings, _expirationTimeout);
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return true;
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}
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catch (Exception ex)
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{
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_logger.ErrorSaveSettingsFor(ex);
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return false;
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}
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}
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private T Deserialize<T>(string data)
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{
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var options = new JsonSerializerOptions
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{
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PropertyNameCaseInsensitive = true,
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};
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return JsonSerializer.Deserialize<T>(data, options);
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}
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private string Serialize<T>(T settings)
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{
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return JsonSerializer.Serialize(settings);
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}
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}
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