350 lines
11 KiB
C#
350 lines
11 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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using JsonSerializer = System.Text.Json.JsonSerializer;
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namespace ASC.Core.Data;
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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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class ConfigureDbSettingsManager : IConfigureNamedOptions<DbSettingsManager>
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{
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private readonly IServiceProvider _serviceProvider;
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private readonly DbSettingsManagerCache _dbSettingsManagerCache;
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private readonly ILogger<DbSettingsManager> _logger;
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private readonly AuthContext _authContext;
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private readonly IOptionsSnapshot<TenantManager> _tenantManager;
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private readonly DbContextManager<WebstudioDbContext> _dbContextManager;
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public ConfigureDbSettingsManager(
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IServiceProvider serviceProvider,
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DbSettingsManagerCache dbSettingsManagerCache,
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ILogger<DbSettingsManager> iLog,
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AuthContext authContext,
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IOptionsSnapshot<TenantManager> tenantManager,
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DbContextManager<WebstudioDbContext> dbContextManager
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)
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{
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_serviceProvider = serviceProvider;
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_dbSettingsManagerCache = dbSettingsManagerCache;
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_logger = iLog;
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_authContext = authContext;
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_tenantManager = tenantManager;
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_dbContextManager = dbContextManager;
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}
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public void Configure(string name, DbSettingsManager options)
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{
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Configure(options);
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options.TenantManager = _tenantManager.Get(name);
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options.LazyWebstudioDbContext = new Lazy<WebstudioDbContext>(() => _dbContextManager.Get(name));
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}
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public void Configure(DbSettingsManager options)
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{
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options.ServiceProvider = _serviceProvider;
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options.DbSettingsManagerCache = _dbSettingsManagerCache;
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options.AuthContext = _authContext;
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options.Logger = _logger;
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options.TenantManager = _tenantManager.Value;
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options.LazyWebstudioDbContext = new Lazy<WebstudioDbContext>(() => _dbContextManager.Value);
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}
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}
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[Scope(typeof(ConfigureDbSettingsManager))]
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public class DbSettingsManager
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{
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private readonly TimeSpan _expirationTimeout = TimeSpan.FromMinutes(5);
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internal ILogger<DbSettingsManager> Logger { get; set; }
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internal ICache Cache { get; set; }
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internal IServiceProvider ServiceProvider { get; set; }
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internal DbSettingsManagerCache DbSettingsManagerCache { get; set; }
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internal AuthContext AuthContext { get; set; }
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internal TenantManager TenantManager { get; set; }
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internal Lazy<WebstudioDbContext> LazyWebstudioDbContext;
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internal WebstudioDbContext WebstudioDbContext => LazyWebstudioDbContext.Value;
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public DbSettingsManager() { }
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public DbSettingsManager(
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IServiceProvider serviceProvider,
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DbSettingsManagerCache dbSettingsManagerCache,
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ILogger<DbSettingsManager> logger,
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AuthContext authContext,
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TenantManager tenantManager,
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DbContextManager<WebstudioDbContext> dbContextManager)
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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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Cache = dbSettingsManagerCache.Cache;
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Logger = logger;
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LazyWebstudioDbContext = new Lazy<WebstudioDbContext>(() => dbContextManager.Value);
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}
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private int _tenantID;
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private int TenantID
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{
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get
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{
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if (_tenantID == 0)
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{
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_tenantID = TenantManager.GetCurrentTenant().Id;
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}
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return _tenantID;
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}
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}
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//
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private Guid? _currentUserID;
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private Guid CurrentUserID
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{
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get
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{
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_currentUserID ??= AuthContext.CurrentAccount.ID;
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return _currentUserID.Value;
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}
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}
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public bool SaveSettings<T>(T settings, int tenantId) where T : class, ISettings<T>
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{
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return SaveSettingsFor(settings, tenantId, Guid.Empty);
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}
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public T LoadSettings<T>(int tenantId) where T : class, ISettings<T>
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{
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return LoadSettingsFor<T>(tenantId, Guid.Empty);
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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 = LoadSettings<T>(tenantId);
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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 bool SaveSettingsFor<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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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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using var tr = WebstudioDbContext.Database.BeginTransaction();
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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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WebstudioDbContext.SaveChanges();
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tr.Commit();
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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(r => r.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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internal T LoadSettingsFor<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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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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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 LoadSettings<T>(TenantID);
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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 LoadForUser<T>(CurrentUserID);
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}
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public T LoadForUser<T>(Guid userId) where T : class, ISettings<T>
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{
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return LoadSettingsFor<T>(TenantID, userId);
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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 LoadForTenant<T>(Tenant.DefaultTenant);
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}
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public T LoadForTenant<T>(int tenantId) where T : class, ISettings<T>
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{
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return LoadSettings<T>(tenantId);
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}
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public virtual bool Save<T>(T data) where T : class, ISettings<T>
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{
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return SaveSettings(data, TenantID);
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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 SaveForUser(data, CurrentUserID);
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}
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public bool SaveForUser<T>(T data, Guid userId) where T : class, ISettings<T>
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{
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return SaveSettingsFor(data, TenantID, userId);
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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 SaveForTenant(data, Tenant.DefaultTenant);
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}
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public bool SaveForTenant<T>(T data, int tenantId) where T : class, ISettings<T>
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{
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return SaveSettings(data, tenantId);
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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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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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