2020-05-20 15:14:44 +00:00
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/*
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*
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* (c) Copyright Ascensio System Limited 2010-2020
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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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namespace ASC.Data.Backup.Tasks
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{
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public class ColumnMapper
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{
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private readonly Dictionary<string, object> mappings = new Dictionary<string, object>();
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2020-08-27 14:01:37 +00:00
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private readonly Dictionary<string, object> newMappings = new Dictionary<string, object>();
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2020-05-20 15:14:44 +00:00
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private readonly DateTime now = DateTime.UtcNow;
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public int GetTenantMapping()
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{
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var mapping = GetMapping("tenants_tenants", "id");
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return mapping != null ? Convert.ToInt32(mapping) : -1;
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}
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private DateTime GetTenantCreationDate()
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{
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var mappingKey = GetMappingKey("tenants_tenants", "creationdatetime");
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if (HasMapping(mappingKey))
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{
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var mapping = (MappingWithCondition)GetMappingInternal(mappingKey);
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return mapping != null ? Convert.ToDateTime(mapping.OldValue) : DateTime.MinValue;
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}
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return DateTime.MinValue;
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}
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public string GetUserMapping(string oldValue)
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{
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var mapping = GetMapping("core_user", "id", oldValue);
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return mapping != null ? Convert.ToString(mapping) : null;
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}
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public void SetDateMapping(string tableName, KeyValuePair<string, bool> column, object oldValue)
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{
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if (!column.Value)
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{
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SetMapping(tableName, column.Key, oldValue, now);
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return;
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}
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var newValue = Convert.ToDateTime(oldValue);
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var tenantCreationDate = GetTenantCreationDate();
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if (tenantCreationDate != DateTime.MinValue && newValue > DateTime.MinValue.AddDays(1) && newValue < DateTime.MaxValue.AddDays(-1))
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{
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newValue = newValue.AddDays(now.Subtract(tenantCreationDate).Days);
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}
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SetMapping(tableName, column.Key, oldValue, newValue);
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}
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public void SetMapping(string tableName, string columnName, object oldValue, object newValue)
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{
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if (tableName == "tenants_tenants")
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{
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2020-08-27 14:01:37 +00:00
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var mapping = new MappingWithCondition { NewValue = newValue, OldValue = oldValue };
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2020-05-20 15:14:44 +00:00
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AddMappingInternal(GetMappingKey(tableName, columnName), mapping);
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}
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AddMappingInternal(GetMappingKey(tableName, columnName, oldValue), newValue);
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}
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public object GetMapping(string tableName, string columnName)
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{
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var mappingKey = GetMappingKey(tableName, columnName);
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return HasMapping(mappingKey) ? ((MappingWithCondition)GetMappingInternal(mappingKey)).NewValue : null;
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}
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public object GetMapping(string tableName, string columnName, object oldValue)
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{
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var mappingKey = GetMappingKey(tableName, columnName, oldValue);
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if (HasMapping(mappingKey))
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{
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return GetMappingInternal(mappingKey);
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}
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mappingKey = GetMappingKey(tableName, columnName);
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if (HasMapping(mappingKey))
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{
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var mapping = (MappingWithCondition)GetMappingInternal(mappingKey);
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return mapping.NewValue;
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}
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return null;
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}
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public void Commit()
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{
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foreach (var mapping in newMappings)
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{
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mappings[mapping.Key] = mapping.Value;
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}
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newMappings.Clear();
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}
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public void Rollback()
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{
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newMappings.Clear();
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}
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private void AddMappingInternal(string key, object value)
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{
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newMappings[key] = value;
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}
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private object GetMappingInternal(string key)
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{
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return newMappings.ContainsKey(key) ? newMappings[key] : mappings[key];
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}
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private bool HasMapping(string key)
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{
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return newMappings.ContainsKey(key) || mappings.ContainsKey(key);
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}
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private static string GetMappingKey(string tableName, string columnName)
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{
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2022-01-14 13:12:37 +00:00
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return $"t:{tableName};c:{columnName}".ToLowerInvariant();
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2020-05-20 15:14:44 +00:00
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}
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private static string GetMappingKey(string tableName, string columnName, object oldValue)
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{
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return string.Format("{0};v:{1}", GetMappingKey(tableName, columnName), oldValue).ToLowerInvariant();
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}
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private class MappingWithCondition
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{
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public object NewValue { get; set; }
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public object OldValue { get; set; }
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}
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}
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}
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