├── .gitignore ├── EfCoreExtensions.sln ├── LICENSE ├── README.md ├── src └── EfCoreExtensions.RelationalUpdate │ ├── EfCoreExtensions.RelationalUpdate.csproj │ ├── RelationalUpdateConfiguration.cs │ ├── RelationalUpdateConfigurationType.cs │ └── RelationalUpdateExtension.cs └── tests ├── EfCore.RelationalUpdate.Tests ├── EfCore.RelationalUpdate.Tests.csproj └── UnitTest1.cs └── EfCoreExtensions.RelationalUpdate.Tests ├── EfCoreExtensions.RelationalUpdate.Tests.csproj └── SampleTest.cs /.gitignore: -------------------------------------------------------------------------------- 1 | ## Ignore Visual Studio temporary files, build results, and 2 | ## files generated by popular Visual Studio add-ons. 3 | ## 4 | ## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore 5 | 6 | # User-specific files 7 | *.rsuser 8 | *.suo 9 | *.user 10 | *.userosscache 11 | *.sln.docstates 12 | 13 | # User-specific files (MonoDevelop/Xamarin Studio) 14 | *.userprefs 15 | 16 | # Mono auto generated files 17 | mono_crash.* 18 | 19 | # Build results 20 | [Dd]ebug/ 21 | [Dd]ebugPublic/ 22 | [Rr]elease/ 23 | [Rr]eleases/ 24 | x64/ 25 | x86/ 26 | [Aa][Rr][Mm]/ 27 | [Aa][Rr][Mm]64/ 28 | bld/ 29 | [Bb]in/ 30 | [Oo]bj/ 31 | [Ll]og/ 32 | [Ll]ogs/ 33 | 34 | # Visual Studio 2015/2017 cache/options directory 35 | .vs/ 36 | # Uncomment if you have tasks that create the project's static files in wwwroot 37 | #wwwroot/ 38 | 39 | # Visual Studio 2017 auto generated files 40 | Generated\ Files/ 41 | 42 | # MSTest test Results 43 | [Tt]est[Rr]esult*/ 44 | [Bb]uild[Ll]og.* 45 | 46 | # NUnit 47 | *.VisualState.xml 48 | TestResult.xml 49 | nunit-*.xml 50 | 51 | # Build Results of an ATL Project 52 | [Dd]ebugPS/ 53 | [Rr]eleasePS/ 54 | dlldata.c 55 | 56 | # Benchmark Results 57 | BenchmarkDotNet.Artifacts/ 58 | 59 | # .NET Core 60 | project.lock.json 61 | project.fragment.lock.json 62 | artifacts/ 63 | 64 | # StyleCop 65 | StyleCopReport.xml 66 | 67 | # Files built by Visual Studio 68 | *_i.c 69 | *_p.c 70 | *_h.h 71 | *.ilk 72 | *.meta 73 | *.obj 74 | *.iobj 75 | *.pch 76 | *.pdb 77 | *.ipdb 78 | *.pgc 79 | *.pgd 80 | *.rsp 81 | *.sbr 82 | *.tlb 83 | *.tli 84 | *.tlh 85 | *.tmp 86 | *.tmp_proj 87 | *_wpftmp.csproj 88 | *.log 89 | *.vspscc 90 | *.vssscc 91 | .builds 92 | *.pidb 93 | *.svclog 94 | *.scc 95 | 96 | # Chutzpah Test files 97 | _Chutzpah* 98 | 99 | # Visual C++ cache files 100 | ipch/ 101 | *.aps 102 | *.ncb 103 | *.opendb 104 | *.opensdf 105 | *.sdf 106 | *.cachefile 107 | *.VC.db 108 | *.VC.VC.opendb 109 | 110 | # Visual Studio profiler 111 | *.psess 112 | *.vsp 113 | *.vspx 114 | *.sap 115 | 116 | # Visual Studio Trace Files 117 | *.e2e 118 | 119 | # TFS 2012 Local Workspace 120 | $tf/ 121 | 122 | # Guidance Automation Toolkit 123 | *.gpState 124 | 125 | # ReSharper is a .NET coding add-in 126 | _ReSharper*/ 127 | *.[Rr]e[Ss]harper 128 | *.DotSettings.user 129 | 130 | # TeamCity is a build add-in 131 | _TeamCity* 132 | 133 | # DotCover is a Code Coverage Tool 134 | *.dotCover 135 | 136 | # AxoCover is a Code Coverage Tool 137 | .axoCover/* 138 | !.axoCover/settings.json 139 | 140 | # Visual Studio code coverage results 141 | *.coverage 142 | *.coveragexml 143 | 144 | # NCrunch 145 | _NCrunch_* 146 | .*crunch*.local.xml 147 | nCrunchTemp_* 148 | 149 | # MightyMoose 150 | *.mm.* 151 | AutoTest.Net/ 152 | 153 | # Web workbench (sass) 154 | .sass-cache/ 155 | 156 | # Installshield output folder 157 | [Ee]xpress/ 158 | 159 | # DocProject is a documentation generator add-in 160 | DocProject/buildhelp/ 161 | DocProject/Help/*.HxT 162 | DocProject/Help/*.HxC 163 | DocProject/Help/*.hhc 164 | DocProject/Help/*.hhk 165 | DocProject/Help/*.hhp 166 | DocProject/Help/Html2 167 | DocProject/Help/html 168 | 169 | # Click-Once directory 170 | publish/ 171 | 172 | # Publish Web Output 173 | *.[Pp]ublish.xml 174 | *.azurePubxml 175 | # Note: Comment the next line if you want to checkin your web deploy settings, 176 | # but database connection strings (with potential passwords) will be unencrypted 177 | *.pubxml 178 | *.publishproj 179 | 180 | # Microsoft Azure Web App publish settings. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [yyyy] [name of copyright owner] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # EfCore.RelationalUpdate 2 | This package provides relational update 3 | 4 | https://www.nuget.org/packages/EfCore.RelationalUpdate/ 5 | 6 | # Usage 7 | ## No Configuration 8 | 9 | ```c# 10 | [Fact] 11 | public async Task Sample() 12 | { 13 | // Create Database 14 | var options = new DbContextOptionsBuilder(); 15 | options.UseInMemoryDatabase("test"); 16 | await using var context = new TestDbContext(options.Options); 17 | // Seed Data 18 | await context.Entities.AddAsync(new Entity 19 | { 20 | Name = "Entity ", 21 | ChildEntities = new List 22 | { 23 | new ChildEntity 24 | { 25 | Name = "Child Entity 1" 26 | }, 27 | new ChildEntity 28 | { 29 | Name = "Child Entity 2" 30 | } 31 | } 32 | }); 33 | await context.SaveChangesAsync(); 34 | 35 | 36 | // Let's get started 37 | var first = await context.Entities 38 | .Where(c => c.ChildEntities.Any(i => i.Id > 1)) 39 | .Select(c => new Entity 40 | { 41 | Id = c.Id, 42 | Name = c.Name, 43 | ChildEntities = c.ChildEntities.Where(x => x.Id > 1).ToList() 44 | }) 45 | .FirstOrDefaultAsync(); 46 | first.ChildEntities.FirstOrDefault().Name = "Updated Child Entity 2"; 47 | first.ChildEntities.Add(new ChildEntity { Name = "Child Entity 3" }); 48 | 49 | // Removed Child Entity 1 50 | // Updated Child Entity 2 51 | // Added Child Entity 3 52 | 53 | await context.RelationalUpdateAsync(first); 54 | 55 | var newValue= await context.Entities.Include(p => p.ChildEntities).FirstOrDefaultAsync(); 56 | 57 | 58 | } 59 | 60 | ``` 61 | ## With Configuration 62 | ```c# 63 | // Let's get started 64 | var first = await context.Entities 65 | .Where(c => c.ChildEntities.Any(i => i.Id > 1)) 66 | .Select(c => new Entity 67 | { 68 | Id = c.Id, 69 | Name = c.Name, 70 | ChildEntities = c.ChildEntities.Where(x => x.Id > 1).ToList() 71 | }) 72 | .FirstOrDefaultAsync(); 73 | first.ChildEntities.FirstOrDefault().Name = "Updated Child Entity 2"; 74 | first.ChildEntities.Add(new ChildEntity { Name = "Child Entity 3" }); 75 | 76 | // Not Removed Child Entity 1 77 | // Updated Child Entity 2 78 | // Added Child Entity 3 79 | var configuration = new RelationalUpdateConfiguration(); 80 | configuration.AddType(updatedType: typeof(ChildEntity), removeDataInDatabase: false); 81 | await context.RelationalUpdateAsync(first,configuration); 82 | 83 | var newValue = await context.Entities.Include(p => p.ChildEntities).FirstOrDefaultAsync(); 84 | 85 | 86 | 87 | ``` 88 | -------------------------------------------------------------------------------- /src/EfCoreExtensions.RelationalUpdate/EfCoreExtensions.RelationalUpdate.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | netcoreapp3.1 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /src/EfCoreExtensions.RelationalUpdate/RelationalUpdateConfiguration.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | 4 | namespace EfCoreExtensions.RelationalUpdate 5 | { 6 | public class RelationalUpdateConfiguration 7 | { 8 | public RelationalUpdateConfiguration() 9 | { 10 | UpdatedTypes = new List(); 11 | TriggerSaveChanges = true; 12 | } 13 | 14 | public RelationalUpdateConfiguration(bool triggerSaveChanges) :this() 15 | { 16 | TriggerSaveChanges = triggerSaveChanges; 17 | } 18 | public bool RemoveDataInDatabase { get; set; } 19 | public bool TriggerSaveChanges { get; set; } 20 | public List UpdatedTypes { get; set; } 21 | public RelationalUpdateConfiguration AddType(Type updatedType) 22 | { 23 | AddType(updatedType, RemoveDataInDatabase); 24 | return this; 25 | } 26 | public RelationalUpdateConfiguration AddType(Type updatedType, bool removeDataInDatabase) 27 | { 28 | UpdatedTypes.Add(new RelationalUpdateConfigurationType(updatedType, removeDataInDatabase)); 29 | return this; 30 | } 31 | 32 | } 33 | } -------------------------------------------------------------------------------- /src/EfCoreExtensions.RelationalUpdate/RelationalUpdateConfigurationType.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace EfCoreExtensions.RelationalUpdate 4 | { 5 | public class RelationalUpdateConfigurationType 6 | { 7 | public RelationalUpdateConfigurationType() 8 | { 9 | 10 | } 11 | 12 | public RelationalUpdateConfigurationType(Type type) 13 | { 14 | Type = type; 15 | } 16 | 17 | public RelationalUpdateConfigurationType(Type type, bool removeDataInDatabase) : this(type) 18 | { 19 | RemoveDataInDatabase = removeDataInDatabase; 20 | } 21 | public Type Type { get; set; } 22 | public bool RemoveDataInDatabase { get; set; } 23 | } 24 | } -------------------------------------------------------------------------------- /src/EfCoreExtensions.RelationalUpdate/RelationalUpdateExtension.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | using System.Linq; 4 | using System.Linq.Dynamic.Core; 5 | using System.Threading.Tasks; 6 | using Microsoft.EntityFrameworkCore; 7 | using Microsoft.EntityFrameworkCore.ChangeTracking; 8 | using Microsoft.EntityFrameworkCore.Internal; 9 | 10 | namespace EfCoreExtensions.RelationalUpdate 11 | { 12 | public static class RelationalUpdateExtension 13 | { 14 | 15 | private static List GetCollectionTypes(this EntityEntry entry) 16 | { 17 | var collections = entry.Collections; 18 | 19 | return collections 20 | .Select(p => new RelationalUpdateConfigurationType(GetFirstGenericArgument(p.Metadata.ClrType), true)) 21 | .ToList(); 22 | } 23 | 24 | public static ValueTask RelationalUpdateAsync(this DbContext context, T entity) where T : class 25 | { 26 | var configuration = new RelationalUpdateConfiguration 27 | { 28 | UpdatedTypes = context.Entry(entity).GetCollectionTypes() 29 | }; 30 | return RelationalUpdateAsync(context, entity, configuration); 31 | } 32 | 33 | public static object GetPrimaryKeyValue(this EntityEntry entry) 34 | { 35 | return entry.Metadata.FindPrimaryKey().Properties.Select(p => entry.Property(p.Name).CurrentValue) 36 | .FirstOrDefault(); 37 | } 38 | public static IQueryable Query(this DbContext context, string entityName) => 39 | context.Query(context.Model.FindEntityType(entityName).ClrType); 40 | 41 | public static IQueryable Query(this DbContext context, Type entityType) 42 | { 43 | #pragma warning disable EF1001 // Internal EF Core API usage. 44 | return (IQueryable)((IDbSetCache)context).GetOrAddSet(context.GetDependencies().SetSource, entityType); 45 | #pragma warning restore EF1001 // Internal EF Core API usage. 46 | } 47 | 48 | public static string GetPrimaryKeyName(this EntityEntry entry) 49 | { 50 | return entry.Metadata.FindPrimaryKey().Properties.FirstOrDefault()?.Name; 51 | } 52 | 53 | public static Type GetFirstGenericArgument(this Type type) 54 | { 55 | return type.GetGenericArguments()[0]; 56 | } 57 | 58 | public static async ValueTask RelationalUpdateAsync(this DbContext context, T entity, RelationalUpdateConfiguration configuration) where T : class 59 | { 60 | var entry = context.Entry(entity); 61 | var primaryKey = entry.GetPrimaryKeyValue(); 62 | var navigation = entry.Metadata.GetNavigations().ToList(); 63 | 64 | foreach (var collectionType in configuration.UpdatedTypes) 65 | { 66 | var propertyName = navigation.Where(p => p.ClrType.GetFirstGenericArgument() == collectionType.Type).Select(p => p.Name).FirstOrDefault(); 67 | if (string.IsNullOrEmpty(propertyName)) continue; 68 | var collection = entry.Collection(propertyName); 69 | 70 | var foreignKey = collection.Metadata.ForeignKey; 71 | var primaryKeyName = collection.EntityEntry.GetPrimaryKeyName(); 72 | 73 | var collectionValues = (IEnumerable)entity.GetType().GetProperty(propertyName)?.GetValue(entity, null); 74 | var dynamicList = (collectionValues ?? throw new InvalidOperationException()).ToDynamicList(); 75 | var currentIds = dynamicList.Select(p => p.GetType().GetProperty(primaryKeyName)?.GetValue(p, null)) 76 | .ToList(); 77 | 78 | var fkName = foreignKey.Properties.FirstOrDefault()?.Name; 79 | var databaseValues = await context.Query(collectionType.Type) 80 | .AsQueryable() 81 | .Where($"{fkName} == @0", primaryKey) 82 | .ToDynamicListAsync(); 83 | var databaseIds = databaseValues 84 | .Select(p => p.GetType().GetProperty(primaryKeyName)?.GetValue(p, null)) 85 | .ToList(); 86 | if (collectionType.RemoveDataInDatabase) 87 | { 88 | var deletedItems = databaseValues.Where(p => 89 | currentIds.Contains(p.GetType().GetProperty(primaryKeyName)?.GetValue(p, null)) == false) 90 | .ToList(); 91 | context.RemoveRange(deletedItems); 92 | } 93 | foreach (dynamic o in dynamicList) 94 | { 95 | var id = o.GetType().GetProperty(primaryKeyName)?.GetValue(o, null); 96 | if (databaseIds.Contains(id)) 97 | { 98 | context.Entry(o).State = EntityState.Modified; 99 | } 100 | else 101 | { 102 | o.GetType().GetProperty(fkName)?.SetValue(o, primaryKey, null); 103 | context.Entry(o).State = EntityState.Added; 104 | } 105 | } 106 | 107 | } 108 | if (configuration.TriggerSaveChanges) 109 | { 110 | return await context.SaveChangesAsync(); 111 | } 112 | 113 | return 0; 114 | } 115 | } 116 | } -------------------------------------------------------------------------------- /tests/EfCore.RelationalUpdate.Tests/EfCore.RelationalUpdate.Tests.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | netcoreapp3.1 5 | 6 | false 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | -------------------------------------------------------------------------------- /tests/EfCore.RelationalUpdate.Tests/UnitTest1.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using Xunit; 3 | 4 | namespace EfCore.RelationalUpdate.Tests 5 | { 6 | public class UnitTest1 7 | { 8 | [Fact] 9 | public void Test1() 10 | { 11 | 12 | } 13 | } 14 | } 15 | -------------------------------------------------------------------------------- /tests/EfCoreExtensions.RelationalUpdate.Tests/EfCoreExtensions.RelationalUpdate.Tests.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | netcoreapp3.1 5 | 6 | false 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | -------------------------------------------------------------------------------- /tests/EfCoreExtensions.RelationalUpdate.Tests/SampleTest.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | using System.ComponentModel.DataAnnotations.Schema; 4 | using System.Linq; 5 | using System.Threading.Tasks; 6 | using Microsoft.EntityFrameworkCore; 7 | using Xunit; 8 | 9 | namespace EfCoreExtensions.RelationalUpdate.Tests 10 | { 11 | public class Entity 12 | { 13 | public int Id { get; set; } 14 | public string Name { get; set; } 15 | public List ChildEntities { get; set; } 16 | 17 | } 18 | 19 | public class ChildEntity 20 | { 21 | public int Id { get; set; } 22 | public int EntityId { get; set; } 23 | [ForeignKey(nameof(EntityId))] 24 | public Entity Entity { get; set; } 25 | 26 | public string Name { get; set; } 27 | } 28 | public class TestDbContext : DbContext 29 | { 30 | public DbSet Entities { get; set; } 31 | public DbSet ChildEntities { get; set; } 32 | public TestDbContext(DbContextOptions options) : base(options) 33 | { 34 | 35 | } 36 | 37 | } 38 | public class SampleTest 39 | { 40 | [Fact] 41 | public async Task SampleBasic() 42 | { 43 | // Create Database 44 | var options = new DbContextOptionsBuilder(); 45 | options.UseInMemoryDatabase("test"); 46 | await using var context = new TestDbContext(options.Options); 47 | // Seed Data 48 | await context.Entities.AddAsync(new Entity 49 | { 50 | Name = "Entity ", 51 | ChildEntities = new List 52 | { 53 | new ChildEntity 54 | { 55 | Name = "Child Entity 1" 56 | }, 57 | new ChildEntity 58 | { 59 | Name = "Child Entity 2" 60 | } 61 | } 62 | }); 63 | await context.SaveChangesAsync(); 64 | 65 | 66 | // Let's get started 67 | var first = await context.Entities 68 | .Where(c => c.ChildEntities.Any(i => i.Id > 1)) 69 | .Select(c => new Entity 70 | { 71 | Id = c.Id, 72 | Name = c.Name, 73 | ChildEntities = c.ChildEntities.Where(x => x.Id > 1).ToList() 74 | }) 75 | .FirstOrDefaultAsync(); 76 | first.ChildEntities.FirstOrDefault().Name = "Updated Child Entity 2"; 77 | first.ChildEntities.Add(new ChildEntity { Name = "Child Entity 3" }); 78 | 79 | // Removed Child Entity 1 80 | // Updated Child Entity 2 81 | // Added Child Entity 3 82 | 83 | await context.RelationalUpdateAsync(first); 84 | 85 | var newValue = await context.Entities.Include(p => p.ChildEntities).FirstOrDefaultAsync(); 86 | 87 | } 88 | 89 | [Fact] 90 | public async Task SampleUsageWithConfiguration() 91 | { 92 | // Create Database 93 | var options = new DbContextOptionsBuilder(); 94 | options.UseInMemoryDatabase("test"); 95 | await using var context = new TestDbContext(options.Options); 96 | // Seed Data 97 | await context.Entities.AddAsync(new Entity 98 | { 99 | Name = "Entity ", 100 | ChildEntities = new List 101 | { 102 | new ChildEntity 103 | { 104 | Name = "Child Entity 1" 105 | }, 106 | new ChildEntity 107 | { 108 | Name = "Child Entity 2" 109 | } 110 | } 111 | }); 112 | await context.SaveChangesAsync(); 113 | 114 | 115 | // Let's get started 116 | var first = await context.Entities 117 | .Where(c => c.ChildEntities.Any(i => i.Id > 1)) 118 | .Select(c => new Entity 119 | { 120 | Id = c.Id, 121 | Name = c.Name, 122 | ChildEntities = c.ChildEntities.Where(x => x.Id > 1).ToList() 123 | }) 124 | .FirstOrDefaultAsync(); 125 | first.ChildEntities.FirstOrDefault().Name = "Updated Child Entity 2"; 126 | first.ChildEntities.Add(new ChildEntity { Name = "Child Entity 3" }); 127 | 128 | // Not Removed Child Entity 1 129 | // Updated Child Entity 2 130 | // Added Child Entity 3 131 | var configuration = new RelationalUpdateConfiguration(); 132 | configuration.AddType(updatedType: typeof(ChildEntity), removeDataInDatabase: false); 133 | await context.RelationalUpdateAsync(first,configuration); 134 | 135 | var newValue = await context.Entities.Include(p => p.ChildEntities).FirstOrDefaultAsync(); 136 | 137 | } 138 | 139 | } 140 | } 141 | --------------------------------------------------------------------------------