383 lines
13 KiB
C#
383 lines
13 KiB
C#
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2018
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*
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* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
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* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
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* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
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*
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* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
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*
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* You can contact Ascensio System SIA by email at sales@onlyoffice.com
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*
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* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
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* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
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*
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* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
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* relevant author attributions when distributing the software. If the display of the logo in its graphic
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* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
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* in every copy of the program you distribute.
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* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
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*
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*/
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Data.Common;
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using System.Threading.Tasks;
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using ASC.Common.Data.AdoProxy;
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using ASC.Common.Data.Sql;
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using ASC.Common.Logging;
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using Microsoft.AspNetCore.Http;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.DependencyInjection.Extensions;
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using Microsoft.Extensions.Options;
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namespace ASC.Common.Data
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{
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public class DbOptionsManager : OptionsManager<DbManager>, IDisposable
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{
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private Dictionary<string, DbManager> Pairs { get; set; }
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public DbOptionsManager(IOptionsFactory<DbManager> factory) : base(factory)
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{
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Pairs = new Dictionary<string, DbManager>();
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}
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public override DbManager Get(string name)
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{
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var result = base.Get(name);
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if (!Pairs.ContainsKey(name))
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{
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Pairs.Add(name, result);
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}
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return result;
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}
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public void Dispose()
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{
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foreach (var v in Pairs)
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{
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v.Value.Dispose();
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}
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}
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}
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public class ConfigureDbManager : IConfigureNamedOptions<DbManager>
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{
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private DbRegistry DbRegistry { get; }
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private IOptionsMonitor<ILog> Option { get; }
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private IHttpContextAccessor HttpContextAccessor { get; }
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public ConfigureDbManager(DbRegistry dbRegistry, IOptionsMonitor<ILog> option)
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{
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DbRegistry = dbRegistry;
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Option = option;
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}
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public ConfigureDbManager(DbRegistry dbRegistry, IOptionsMonitor<ILog> option, IHttpContextAccessor httpContextAccessor) : this(dbRegistry, option)
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{
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HttpContextAccessor = httpContextAccessor;
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}
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public void Configure(string name, DbManager dbManager)
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{
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dbManager.DbRegistry = DbRegistry;
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dbManager.DatabaseId = string.IsNullOrEmpty(name) ? "default" : name;
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dbManager.Logger = Option.Get("ASC.SQL");
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if (dbManager.Logger.IsDebugEnabled)
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{
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dbManager.ProxyContext = new ProxyContext(a =>
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{
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dbManager.Logger.DebugWithProps(a.SqlMethod,
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new KeyValuePair<string, object>("duration", a.Duration.TotalMilliseconds),
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new KeyValuePair<string, object>("sql", RemoveWhiteSpaces(a.Sql)),
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new KeyValuePair<string, object>("sqlParams", RemoveWhiteSpaces(a.SqlParameters))
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);
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});
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}
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if (HttpContextAccessor != null)
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{
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dbManager.HttpContextAccessor = HttpContextAccessor;
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}
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}
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public void Configure(DbManager dbManager)
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{
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Configure("default", dbManager);
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}
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private string RemoveWhiteSpaces(string str)
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{
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return !string.IsNullOrEmpty(str) ?
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str.Replace(Environment.NewLine, " ").Replace("\n", "").Replace("\r", "").Replace("\t", " ") :
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string.Empty;
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}
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}
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public class DbManager : IDbManager
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{
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public ILog Logger { get; internal set; }
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public IHttpContextAccessor HttpContextAccessor { get; internal set; }
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internal ProxyContext ProxyContext { get; set; }
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private DbCommand command;
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private ISqlDialect dialect;
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private volatile bool disposed;
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public int? CommandTimeout { get; set; }
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private DbCommand Command
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{
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get
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{
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CheckDispose();
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if (command == null)
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{
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command = OpenConnection().CreateCommand();
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}
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if (command.Connection.State == ConnectionState.Closed || command.Connection.State == ConnectionState.Broken)
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{
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command = OpenConnection().CreateCommand();
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}
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if (CommandTimeout.HasValue)
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{
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command.CommandTimeout = CommandTimeout.Value;
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}
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return command;
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}
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}
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public string DatabaseId
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{
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get;
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set;
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}
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public bool InTransaction
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{
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get { return Command.Transaction != null; }
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}
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public DbConnection Connection
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{
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get { return Command.Connection; }
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}
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public DbRegistry DbRegistry { get; internal set; }
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public DbManager()
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{
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}
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#region IDisposable Members
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public void Dispose()
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{
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lock (this)
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{
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if (disposed) return;
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disposed = true;
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if (command != null)
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{
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if (command.Connection != null) command.Connection.Dispose();
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command.Dispose();
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command = null;
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}
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}
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}
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#endregion
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private DbConnection OpenConnection()
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{
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var connection = GetConnection();
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connection.Open();
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return connection;
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}
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private DbConnection GetConnection()
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{
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CheckDispose();
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DbConnection connection;
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string key = null;
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if (HttpContextAccessor?.HttpContext != null)
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{
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key = string.Format("Connection {0}|{1}", GetDialect(), DbRegistry.GetConnectionString(DatabaseId));
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connection = HttpContextAccessor.HttpContext.Items[key] as DbConnection;
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if (connection != null)
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{
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var state = ConnectionState.Closed;
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var disposed = false;
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try
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{
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state = connection.State;
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}
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catch (ObjectDisposedException)
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{
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disposed = true;
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}
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if (!disposed && (state == ConnectionState.Closed || state == ConnectionState.Broken))
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{
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if (string.IsNullOrEmpty(connection.ConnectionString))
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{
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connection.ConnectionString = DbRegistry.GetConnectionString(DatabaseId).ConnectionString;
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}
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return connection;
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}
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}
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}
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connection = DbRegistry.CreateDbConnection(DatabaseId);
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if (ProxyContext != null)
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{
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connection = new DbConnectionProxy(connection, ProxyContext);
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}
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if (HttpContextAccessor?.HttpContext != null) HttpContextAccessor.HttpContext.Items[key] = connection;
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return connection;
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}
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public IDbTransaction BeginTransaction()
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{
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if (InTransaction) throw new InvalidOperationException("Transaction already open.");
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Command.Transaction = Command.Connection.BeginTransaction();
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var tx = new DbTransaction(Command.Transaction);
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tx.Unavailable += TransactionUnavailable;
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return tx;
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}
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public IDbTransaction BeginTransaction(IsolationLevel il)
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{
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if (InTransaction) throw new InvalidOperationException("Transaction already open.");
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il = GetDialect().GetSupportedIsolationLevel(il);
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Command.Transaction = Command.Connection.BeginTransaction(il);
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var tx = new DbTransaction(Command.Transaction);
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tx.Unavailable += TransactionUnavailable;
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return tx;
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}
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public IDbTransaction BeginTransaction(bool nestedIfAlreadyOpen)
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{
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return nestedIfAlreadyOpen && InTransaction ? new DbNestedTransaction(Command.Transaction) : BeginTransaction();
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}
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public List<object[]> ExecuteList(string sql, params object[] parameters)
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{
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return Command.ExecuteList(sql, parameters);
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}
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public Task<List<object[]>> ExecuteListAsync(string sql, params object[] parameters)
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{
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return Command.ExecuteListAsync(sql, parameters);
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}
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public List<object[]> ExecuteList(ISqlInstruction sql)
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{
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return Command.ExecuteList(sql, GetDialect());
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}
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public Task<List<object[]>> ExecuteListAsync(ISqlInstruction sql)
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{
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return Command.ExecuteListAsync(sql, GetDialect());
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}
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public List<T> ExecuteList<T>(ISqlInstruction sql, Converter<IDataRecord, T> converter)
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{
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return Command.ExecuteList(sql, GetDialect(), converter);
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}
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public List<T> ExecuteList<T>(ISqlInstruction sql, Converter<object[], T> converter)
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{
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return Command.ExecuteList(sql, GetDialect(), converter);
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}
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public T ExecuteScalar<T>(string sql, params object[] parameters)
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{
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return Command.ExecuteScalar<T>(sql, parameters);
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}
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public T ExecuteScalar<T>(ISqlInstruction sql)
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{
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return Command.ExecuteScalar<T>(sql, GetDialect());
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}
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public int ExecuteNonQuery(string sql, params object[] parameters)
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{
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return Command.ExecuteNonQuery(sql, parameters);
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}
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public Task<int> ExecuteNonQueryAsync(string sql, params object[] parameters)
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{
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return Command.ExecuteNonQueryAsync(sql, parameters);
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}
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public int ExecuteNonQuery(ISqlInstruction sql)
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{
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return Command.ExecuteNonQuery(sql, GetDialect());
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}
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public int ExecuteBatch(IEnumerable<ISqlInstruction> batch)
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{
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if (batch == null) throw new ArgumentNullException(nameof(batch));
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var affected = 0;
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using (var tx = BeginTransaction())
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{
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foreach (var sql in batch)
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{
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affected += ExecuteNonQuery(sql);
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}
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tx.Commit();
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}
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return affected;
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}
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private void TransactionUnavailable(object sender, EventArgs e)
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{
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if (Command.Transaction != null)
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{
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Command.Transaction = null;
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}
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}
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private void CheckDispose()
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{
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if (disposed) throw new ObjectDisposedException(GetType().FullName);
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}
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private ISqlDialect GetDialect()
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{
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return dialect ?? (dialect = DbRegistry.GetSqlDialect(DatabaseId));
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}
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public ISqlDialect GetSqlDialect(string databaseId)
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{
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return DbRegistry.GetSqlDialect(databaseId);
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}
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}
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public static class DbManagerExtension
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{
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public static IServiceCollection AddDbManagerService(this IServiceCollection services)
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{
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services.TryAddScoped<DbOptionsManager>();
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services.TryAddScoped<DbManager>();
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services.AddScoped<IConfigureOptions<DbManager>, ConfigureDbManager>();
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return services.AddDbRegistryService();
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}
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}
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} |