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EF: added substring db function, refactoring

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This commit is contained in:
Maksim Chegulov 2023-06-14 11:45:40 +03:00
parent a1c4dffd33
commit 0198f88c64
2 changed files with 59 additions and 38 deletions
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77
common/ASC.Core.Common/EF/JsonExtensions.cs → common/ASC.Core.Common/EF/DbFunctionsExtension.cs
View File

@ -1,36 +1,41 @@
// (c) Copyright Ascensio System SIA 2010-2022
//
// This program is a free software product.
// You can redistribute it and/or modify it under the terms
// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
// any third-party rights.
//
// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
//
// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
//
// The interactive user interfaces in modified source and object code versions of the Program must
// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
//
// Pursuant to Section 7(b) of the License you must retain the original Product logo when
// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
// trademark law for use of our trademarks.
//
// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
namespace ASC.Core.Common.EF;
public static class JsonExtensions
{
public static string JsonValue(string column, [NotParameterized] string path)
{
//not using
return column + path;
}
}
// (c) Copyright Ascensio System SIA 2010-2022
//
// This program is a free software product.
// You can redistribute it and/or modify it under the terms
// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
// any third-party rights.
//
// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
//
// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
//
// The interactive user interfaces in modified source and object code versions of the Program must
// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
//
// Pursuant to Section 7(b) of the License you must retain the original Product logo when
// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
// trademark law for use of our trademarks.
//
// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
namespace ASC.Core.Common.EF;
public static class DbFunctionsExtension
{
public static string SubstringIndex(string str, char delimiter, int number)
{
throw new NotImplementedException();
}
public static string JsonValue(string column, [NotParameterized] string path)
{
//not using
return column + path;
}
}

20
common/ASC.Core.Common/EF/Model/ModelBuilderWrapper.cs
View File

@ -82,10 +82,10 @@ public class ModelBuilderWrapper
return ModelBuilder.Entity<T>();
}
public void AddDbFunction()
public void AddDbFunctions()
{
ModelBuilder
.HasDbFunction(typeof(JsonExtensions).GetMethod(nameof(JsonExtensions.JsonValue)))
.HasDbFunction(typeof(DbFunctionsExtension).GetMethod(nameof(DbFunctionsExtension.JsonValue))!)
.HasTranslation(e =>
{
var res = new List<SqlExpression>();
@ -104,5 +104,21 @@ public class ModelBuilderWrapper
return new SqlFunctionExpression("JSON_EXTRACT", res, true, res.Select((SqlExpression a) => false), typeof(string), null);
});
switch (Provider)
{
case Provider.MySql:
ModelBuilder
.HasDbFunction(typeof(DbFunctionsExtension).GetMethod(nameof(DbFunctionsExtension.SubstringIndex), new[] { typeof(string), typeof(char), typeof(int) })!)
.HasName("SUBSTRING_INDEX");
break;
case Provider.PostgreSql:
ModelBuilder
.HasDbFunction(typeof(DbFunctionsExtension).GetMethod(nameof(DbFunctionsExtension.SubstringIndex), new[] { typeof(string), typeof(char), typeof(int) })!)
.HasName("SPLIT_PART");
break;
default:
throw new InvalidOperationException();
}
}
}