82 lines
3.1 KiB
C#
82 lines
3.1 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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using System.Collections.Generic;
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using ASC.Core.Common.EF;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore.Migrations.Design;
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using Microsoft.EntityFrameworkCore.Migrations.Operations;
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using Microsoft.Extensions.DependencyInjection;
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namespace AutoMigrationCreator;
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public class ModelDifferenceChecker
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{
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private BaseDbContext _dbContext;
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public ModelDifferenceChecker(BaseDbContext context)
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{
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_dbContext = context;
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}
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public bool IsDifferent()
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{
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var scaffolderDependecies = EFCoreDesignTimeServices.GetServiceProvider(_dbContext)
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.GetService<MigrationsScaffolderDependencies>();
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var modelSnapshot = scaffolderDependecies.MigrationsAssembly.ModelSnapshot;
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if (modelSnapshot == null)
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{
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return true;
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}
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var lastModel = scaffolderDependecies.SnapshotModelProcessor.Process(modelSnapshot.Model)
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.GetRelationalModel();
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if (modelSnapshot == null)
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{
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return true;
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}
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var upMethodOperations = scaffolderDependecies.MigrationsModelDiffer.GetDifferences(
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lastModel, scaffolderDependecies.Model.GetRelationalModel());
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var downMethodOperations = upMethodOperations.Count != 0 ?
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scaffolderDependecies.MigrationsModelDiffer.GetDifferences(
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scaffolderDependecies.Model.GetRelationalModel(), lastModel)
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: new List<MigrationOperation>();
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if (upMethodOperations.Count > 0 || downMethodOperations.Count > 0)
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{
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return true;
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}
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return false;
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}
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}
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