2022-03-15 18:00:53 +00:00
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// (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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2020-05-20 15:14:44 +00:00
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2022-02-09 18:49:52 +00:00
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namespace ASC.Data.Backup.Tasks;
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[Scope]
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public class DbFactory
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{
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public const string DefaultConnectionStringName = "default";
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internal string ConnectionStringSettings(string path = null, string connectionString = null)
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{
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if (!string.IsNullOrEmpty(connectionString))
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{
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return connectionString;
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}
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else
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{
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if (path != null)
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{
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return _configurationExtension.GetConnectionStrings(path).ConnectionString;
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}
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return _configurationExtension.GetConnectionStrings(DefaultConnectionStringName).ConnectionString;
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}
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}
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private DbProviderFactory DbProviderFactory
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{
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get
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{
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if (_dbProviderFactory == null)
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{
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var type = Type.GetType(_configuration["DbProviderFactories:mysql:type"], true);
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_dbProviderFactory = (DbProviderFactory)Activator.CreateInstance(type, true);
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}
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return _dbProviderFactory;
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}
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}
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private DbProviderFactory _dbProviderFactory;
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private readonly IConfiguration _configuration;
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private readonly ConfigurationExtension _configurationExtension;
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private string _connectionString;
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private string _path;
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public DbFactory(IConfiguration configuration, ConfigurationExtension configurationExtension)
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{
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_configuration = configuration;
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_configurationExtension = configurationExtension;
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}
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public DbConnection OpenConnection(string path = "default", string connectionString = null)
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{
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_connectionString = connectionString;
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_path = path;
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var connection = DbProviderFactory.CreateConnection();
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if (connection != null)
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{
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connection.ConnectionString = EnsureConnectionTimeout(ConnectionStringSettings(path, connectionString));
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connection.Open();
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}
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return connection;
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}
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public IDbDataAdapter CreateDataAdapter()
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{
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var result = DbProviderFactory.CreateDataAdapter();
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if (result == null && DbProviderFactory is MySqlClientFactory)
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{
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result = new MySqlDataAdapter();
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}
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return result;
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}
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public DbCommand CreateLastInsertIdCommand()
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{
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var command = DbProviderFactory.CreateCommand();
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if (command != null)
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{
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command.CommandText =
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_configurationExtension.GetConnectionStrings(DefaultConnectionStringName).ProviderName.IndexOf("MySql", StringComparison.OrdinalIgnoreCase) != -1
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? "select Last_Insert_Id();"
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: "select last_insert_rowid();";
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}
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return command;
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}
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public DbCommand CreateShowColumnsCommand(string tableName)
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{
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var command = DbProviderFactory.CreateCommand();
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if (command != null)
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{
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command.CommandText = "show columns from " + tableName + ";";
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}
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return command;
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}
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private static string EnsureConnectionTimeout(string connectionString)
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{
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if (!connectionString.Contains("Connection Timeout"))
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{
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connectionString = connectionString.TrimEnd(';') + ";Connection Timeout=90";
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}
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return connectionString;
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}
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}
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