319 lines
12 KiB
C#
319 lines
12 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.Migration.PersonalToDocspace.Creator;
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[Scope]
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public class MigrationCreator
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{
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private readonly IHostEnvironment _hostEnvironment;
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private readonly IConfiguration _configuration;
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private readonly TenantDomainValidator _tenantDomainValidator;
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private readonly TempStream _tempStream;
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private readonly DbFactory _dbFactory;
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private readonly StorageFactory _storageFactory;
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private readonly StorageFactoryConfig _storageFactoryConfig;
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private readonly ModuleProvider _moduleProvider;
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private List<IModuleSpecifics> _modules;
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private string _pathToSave;
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private string _userName;
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private string _toRegion;
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private int _tenant;
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private readonly object _locker = new object();
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private readonly int _limit = 1000;
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private readonly List<ModuleName> _namesModules = new List<ModuleName>()
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{
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ModuleName.Core,
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ModuleName.Files,
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ModuleName.Files2,
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ModuleName.Tenants,
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ModuleName.WebStudio
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};
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public MigrationCreator(
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IHostEnvironment hostEnvironment,
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IConfiguration configuration,
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TenantDomainValidator tenantDomainValidator,
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TempStream tempStream,
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DbFactory dbFactory,
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StorageFactory storageFactory,
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StorageFactoryConfig storageFactoryConfig,
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ModuleProvider moduleProvider)
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{
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_hostEnvironment = hostEnvironment;
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_configuration = configuration;
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_tenantDomainValidator = tenantDomainValidator;
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_tempStream = tempStream;
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_dbFactory = dbFactory;
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_storageFactory = storageFactory;
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_storageFactoryConfig = storageFactoryConfig;
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_moduleProvider = moduleProvider;
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}
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public string Create(int tenant, string userName, string toRegion)
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{
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Init(tenant, userName, toRegion);
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var id = GetId();
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var fileName = _userName + ".tar.gz";
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var path = Path.Combine(_pathToSave, fileName);
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using (var writer = new ZipWriteOperator(_tempStream, path))
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{
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DoMigrationDb(id, writer);
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DoMigrationStorage(id, writer);
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}
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return fileName;
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}
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private void Init(int tenant, string userName, string toRegion)
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{
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_modules = _moduleProvider.AllModules.Where(m => _namesModules.Contains(m.ModuleName)).ToList();
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_pathToSave = "";
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_toRegion = toRegion;
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_userName = userName;
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_tenant = tenant;
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}
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private Guid GetId()
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{
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try
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{
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var userDbContext = _dbFactory.CreateDbContext<UserDbContext>();
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return userDbContext.Users.FirstOrDefault(q => q.Tenant == _tenant && q.Status == EmployeeStatus.Active && q.UserName == _userName).Id;
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}
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catch (Exception)
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{
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throw new Exception("username was not found");
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}
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}
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private void DoMigrationDb(Guid id, IDataWriteOperator writer)
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{
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foreach (var module in _modules)
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{
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var tablesToProcess = module.Tables.Where(t => t.InsertMethod != InsertMethod.None).ToList();
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using (var connection = _dbFactory.OpenConnection())
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{
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foreach (var table in tablesToProcess)
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{
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Console.WriteLine($"backup table {table.Name}");
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using (var data = new DataTable(table.Name))
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{
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ActionInvoker.Try(
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state =>
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{
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data.Clear();
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int counts;
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var offset = 0;
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do
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{
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var t = (TableInfo)state;
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var dataAdapter = _dbFactory.CreateDataAdapter();
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dataAdapter.SelectCommand = module.CreateSelectCommand(connection.Fix(), _tenant, t, _limit, offset, id).WithTimeout(600);
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counts = ((DbDataAdapter)dataAdapter).Fill(data);
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offset += _limit;
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} while (counts == _limit);
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},
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table,
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maxAttempts: 5,
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onFailure: error => { throw ThrowHelper.CantBackupTable(table.Name, error); });
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foreach (var col in data.Columns.Cast<DataColumn>().Where(col => col.DataType == typeof(DateTime)))
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{
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col.DateTimeMode = DataSetDateTime.Unspecified;
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}
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module.PrepareData(data);
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if (data.TableName == "tenants_tenants")
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{
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ChangeAlias(data);
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ChangeName(data);
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}
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using (var file = _tempStream.Create())
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{
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data.WriteXml(file, XmlWriteMode.WriteSchema);
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data.Clear();
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writer.WriteEntry(KeyHelper.GetTableZipKey(module, data.TableName), file);
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}
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}
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}
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}
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}
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}
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private void ChangeAlias(DataTable data)
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{
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var aliases = GetAliases();
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var newAlias = _userName;
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while (true)
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{
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try
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{
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_tenantDomainValidator.ValidateDomainLength(newAlias);
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_tenantDomainValidator.ValidateDomainCharacters(newAlias);
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if (aliases.Contains(newAlias))
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{
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throw new Exception($"Alias is busy");
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}
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break;
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}
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catch (Exception ex)
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{
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Console.WriteLine(ex.Message);
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newAlias = Console.ReadLine();
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}
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}
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data.Rows[0]["alias"] = newAlias;
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}
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private List<string> GetAliases()
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{
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using var dbContext = _dbFactory.CreateDbContext<TenantDbContext>(_toRegion);
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var tenants = dbContext.Tenants.Select(t => t.Alias).ToList();
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var forbidens = dbContext.TenantForbiden.Select(tf => tf.Address).ToList();
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return tenants.Union(forbidens).ToList();
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}
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private void ChangeName(DataTable data)
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{
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data.Rows[0]["name"] = "";
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}
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private void DoMigrationStorage(Guid id, IDataWriteOperator writer)
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{
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Console.WriteLine($"start backup storage");
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var fileGroups = GetFilesGroup(id);
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foreach (var group in fileGroups)
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{
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Console.WriteLine($"start backup fileGroup: {group.Key}");
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foreach (var file in group)
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{
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var storage = _storageFactory.GetStorage(_tenant, group.Key);
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var file1 = file;
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ActionInvoker.Try(state =>
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{
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var f = (BackupFileInfo)state;
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using var fileStream = storage.GetReadStreamAsync(f.Domain, f.Path).Result;
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writer.WriteEntry(file1.GetZipKey(), fileStream);
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}, file, 5);
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}
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Console.WriteLine($"end backup fileGroup: {group.Key}");
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}
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var restoreInfoXml = new XElement(
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"storage_restore",
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fileGroups
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.SelectMany(group => group.Select(file => (object)file.ToXElement()))
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.ToArray());
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using (var tmpFile = _tempStream.Create())
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{
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restoreInfoXml.WriteTo(tmpFile);
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writer.WriteEntry(KeyHelper.GetStorageRestoreInfoZipKey(), tmpFile);
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}
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Console.WriteLine($"end backup storage");
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}
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private List<IGrouping<string, BackupFileInfo>> GetFilesGroup(Guid id)
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{
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var files = GetFilesToProcess(id).ToList();
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var backupsContext = _dbFactory.CreateDbContext<BackupsContext>();
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var exclude = backupsContext.Backups.AsQueryable().Where(b => b.TenantId == _tenant && b.StorageType == 0 && b.StoragePath != null).ToList();
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files = files.Where(f => !exclude.Any(e => f.Path.Replace('\\', '/').Contains($"/file_{e.StoragePath}/"))).ToList();
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return files.GroupBy(file => file.Module).ToList();
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}
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private IEnumerable<BackupFileInfo> GetFilesToProcess(Guid id)
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{
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var files = new List<BackupFileInfo>();
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var filesDbContext = _dbFactory.CreateDbContext<FilesDbContext>();
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var module = _storageFactoryConfig.GetModuleList().Where(m => m == "files").Single();
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var store = _storageFactory.GetStorage(_tenant, module);
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var dbFiles = filesDbContext.Files.Where(q => q.CreateBy == id && q.TenantId == _tenant).ToList();
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var tasks = new List<Task>(20);
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foreach (var dbFile in dbFiles)
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{
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if (tasks.Count != 20)
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{
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tasks.Add(FindFiles(files, store, dbFile, module));
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}
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else
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{
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Task.WaitAll(tasks.ToArray());
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tasks.Clear();
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}
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}
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Task.WaitAll(tasks.ToArray());
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return files.Distinct();
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}
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private async Task FindFiles(List<BackupFileInfo> list, IDataStore store, DbFile dbFile, string module)
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{
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var files = await store.ListFilesRelativeAsync(string.Empty, $"\\{GetUniqFileDirectory(dbFile.Id)}", "*.*", true)
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.Select(path => new BackupFileInfo(string.Empty, module, path, _tenant))
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.ToListAsync();
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lock (_locker)
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{
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list.AddRange(files);
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}
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if (files.Any())
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{
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Console.WriteLine($"file {dbFile.Id} found");
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}
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else
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{
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Console.WriteLine($"file {dbFile.Id} not found");
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}
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}
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private string GetUniqFileDirectory(int fileId)
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{
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if (fileId == 0)
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{
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throw new ArgumentNullException("fileIdObject");
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}
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return string.Format("folder_{0}/file_{1}", (fileId / 1000 + 1) * 1000, fileId);
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}
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}
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