feat: Deleted query filter

CleanArchitecture.Api/Controllers/TenantController.cs

@@ -37,7 +37,8 @@ public sealed class TenantController : ApiController
         [FromQuery] PageQuery query,
         [FromQuery] string searchTerm = "",
         [FromQuery] bool includeDeleted = false,
-        [FromQuery, SortableFieldsAttribute<TenantViewModelSortProvider, TenantViewModel, Tenant>] SortQuery? sortQuery = null)
+        [FromQuery] [SortableFieldsAttribute<TenantViewModelSortProvider, TenantViewModel, Tenant>]
+        SortQuery? sortQuery = null)
     {
         var tenants = await _tenantService.GetAllTenantsAsync(
             query,

CleanArchitecture.Api/Controllers/UserController.cs

@@ -37,7 +37,8 @@ public sealed class UserController : ApiController
         [FromQuery] PageQuery query,
         [FromQuery] string searchTerm = "",
         [FromQuery] bool includeDeleted = false,
-        [FromQuery, SortableFieldsAttribute<UserViewModelSortProvider, UserViewModel, User>] SortQuery? sortQuery = null)
+        [FromQuery] [SortableFieldsAttribute<UserViewModelSortProvider, UserViewModel, User>]
+        SortQuery? sortQuery = null)
     {
         var users = await _userService.GetAllUsersAsync(
             query,

CleanArchitecture.Api/Swagger/SortableFieldsAttribute.cs

@@ -4,7 +4,7 @@ using CleanArchitecture.Application.ViewModels.Sorting;
 
 namespace CleanArchitecture.Api.Swagger;
 
-[AttributeUsage(AttributeTargets.Parameter, AllowMultiple = false)]
+[AttributeUsage(AttributeTargets.Parameter)]
 public sealed class SortableFieldsAttribute<TSortingProvider, TViewModel, TEntity>
     : SwaggerSortableFieldsAttribute
     where TSortingProvider : ISortingExpressionProvider<TViewModel, TEntity>, new()

CleanArchitecture.Api/Swagger/SortableFieldsAttributeFilter.cs

@@ -26,7 +26,6 @@ public sealed class SortableFieldsAttributeFilter : IParameterFilter
         var description = string.Join("<br/>", attribute.GetFields().Order());
 
         parameter.Description = $"{parameter.Description}<br/><br/>" +
-            $"**Allowed values:**<br/>{description}";
+                                $"**Allowed values:**<br/>{description}";
     }
-}
-
+}

CleanArchitecture.Api/Swagger/SwaggerSortableFieldsAttribute.cs

@@ -6,4 +6,4 @@ namespace CleanArchitecture.Api.Swagger;
 public abstract class SwaggerSortableFieldsAttribute : Attribute
 {
     public abstract IEnumerable<string> GetFields();
-}
+}

CleanArchitecture.Application.Tests/Fixtures/Queries/Tenants/GetTenantByIdTestFixture.cs

@@ -1,9 +1,7 @@
 using System;
-using System.Collections.Generic;
 using CleanArchitecture.Application.Queries.Tenants.GetTenantById;
 using CleanArchitecture.Domain.Entities;
 using CleanArchitecture.Domain.Interfaces.Repositories;
-using MockQueryable.NSubstitute;
 using NSubstitute;
 
 namespace CleanArchitecture.Application.Tests.Fixtures.Queries.Tenants;
@@ -30,9 +28,11 @@ public sealed class GetTenantByIdTestFixture : QueryHandlerBaseFixture
         {
             tenant.Delete();
         }
+        else
+        {
+            TenantRepository.GetByIdAsync(Arg.Is<Guid>(y => y == tenant.Id)).Returns(tenant);
+        }
 
-        var tenantList = new List<Tenant> { tenant }.BuildMock();
-        TenantRepository.GetAllNoTracking().Returns(tenantList);
 
         return tenant;
     }

CleanArchitecture.Application.Tests/Fixtures/Queries/Users/GetUserByIdTestFixture.cs

@@ -35,7 +35,7 @@ public sealed class GetUserByIdTestFixture : QueryHandlerBaseFixture
 
         var query = new[] { user }.BuildMock();
 
-        UserRepository.GetAllNoTracking().Returns(query);
+        UserRepository.GetByIdAsync(Arg.Is<Guid>(y => y == ExistingUserId)).Returns(user);
     }
 
     public void SetupDeletedUserAsync()

CleanArchitecture.Application/Queries/Tenants/GetAll/GetAllTenantsQueryHandler.cs

@@ -32,6 +32,7 @@ public sealed class GetAllTenantsQueryHandler :
     {
         var tenantsQuery = _tenantRepository
             .GetAllNoTracking()
+            .IgnoreQueryFilters()
             .Include(x => x.Users)
             .Where(x => request.IncludeDeleted || !x.Deleted);
 

CleanArchitecture.Application/Queries/Tenants/GetTenantById/GetTenantByIdQueryHandler.cs

@@ -1,4 +1,3 @@
-using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using CleanArchitecture.Application.ViewModels.Tenants;
@@ -7,7 +6,6 @@ using CleanArchitecture.Domain.Interfaces;
 using CleanArchitecture.Domain.Interfaces.Repositories;
 using CleanArchitecture.Domain.Notifications;
 using MediatR;
-using Microsoft.EntityFrameworkCore;
 
 namespace CleanArchitecture.Application.Queries.Tenants.GetTenantById;
 
@@ -25,10 +23,8 @@ public sealed class GetTenantByIdQueryHandler :
 
     public async Task<TenantViewModel?> Handle(GetTenantByIdQuery request, CancellationToken cancellationToken)
     {
-        var tenant = _tenantRepository
-            .GetAllNoTracking()
-            .Include(x => x.Users)
-            .FirstOrDefault(x => x.Id == request.TenantId && !x.Deleted);
+        var tenant = await _tenantRepository
+            .GetByIdAsync(request.TenantId);
 
         if (tenant is null)
         {

CleanArchitecture.Application/Queries/Users/GetAll/GetAllUsersQueryHandler.cs

@@ -32,6 +32,7 @@ public sealed class GetAllUsersQueryHandler :
     {
         var usersQuery = _userRepository
             .GetAllNoTracking()
+            .IgnoreQueryFilters()
             .Where(x => request.IncludeDeleted || !x.Deleted);
 
         if (!string.IsNullOrWhiteSpace(request.SearchTerm))

CleanArchitecture.Application/Queries/Users/GetUserById/GetUserByIdQueryHandler.cs

@@ -1,5 +1,4 @@
-using System.Linq;
-using System.Threading;
+using System.Threading;
 using System.Threading.Tasks;
 using CleanArchitecture.Application.ViewModels.Users;
 using CleanArchitecture.Domain.Errors;
@@ -24,9 +23,7 @@ public sealed class GetUserByIdQueryHandler :
 
     public async Task<UserViewModel?> Handle(GetUserByIdQuery request, CancellationToken cancellationToken)
     {
-        var user = _userRepository
-            .GetAllNoTracking()
-            .FirstOrDefault(x => x.Id == request.UserId && !x.Deleted);
+        var user = await _userRepository.GetByIdAsync(request.UserId);
 
         if (user is null)
         {

CleanArchitecture.Application/gRPC/TenantsApiImplementation.cs

@@ -34,6 +34,7 @@ public sealed class TenantsApiImplementation : TenantsApi.TenantsApiBase
 
         var tenants = await _tenantRepository
             .GetAllNoTracking()
+            .IgnoreQueryFilters()
             .Where(tenant => idsAsGuids.Contains(tenant.Id))
             .Select(tenant => new Tenant
             {

CleanArchitecture.Application/gRPC/UsersApiImplementation.cs

@@ -34,6 +34,7 @@ public sealed class UsersApiImplementation : UsersApi.UsersApiBase
 
         var users = await _userRepository
             .GetAllNoTracking()
+            .IgnoreQueryFilters()
             .Where(user => idsAsGuids.Contains(user.Id))
             .Select(user => new GrpcUser
             {

CleanArchitecture.Domain.Tests/CommandHandler/Tenant/CreateTenant/CreateTenantCommandHandlerTests.cs

@@ -12,7 +12,7 @@ public sealed class CreateTenantCommandHandlerTests
     private readonly CreateTenantCommandTestFixture _fixture = new();
 
     [Fact]
-    public async Task  Should_Create_Tenant()
+    public async Task Should_Create_Tenant()
     {
         var command = new CreateTenantCommand(
             Guid.NewGuid(),
@@ -29,7 +29,7 @@ public sealed class CreateTenantCommandHandlerTests
     }
 
     [Fact]
-    public async Task  Should_Not_Create_Tenant_Insufficient_Permissions()
+    public async Task Should_Not_Create_Tenant_Insufficient_Permissions()
     {
         _fixture.SetupUser();
 
@@ -49,7 +49,7 @@ public sealed class CreateTenantCommandHandlerTests
     }
 
     [Fact]
-    public async Task  Should_Not_Create_Tenant_Already_Exists()
+    public async Task Should_Not_Create_Tenant_Already_Exists()
     {
         var command = new CreateTenantCommand(
             Guid.NewGuid(),

CleanArchitecture.Domain.Tests/CommandHandler/User/DeleteUser/DeleteUserCommandHandlerTests.cs

@@ -27,7 +27,7 @@ public sealed class DeleteUserCommandHandlerTests
     }
 
     [Fact]
-    public async Task  Should_Not_Delete_Non_Existing_User()
+    public async Task Should_Not_Delete_Non_Existing_User()
     {
         _fixture.SetupUser();
 
@@ -45,7 +45,7 @@ public sealed class DeleteUserCommandHandlerTests
     }
 
     [Fact]
-    public async Task  Should_Not_Delete_User_Insufficient_Permissions()
+    public async Task Should_Not_Delete_User_Insufficient_Permissions()
     {
         var user = _fixture.SetupUser();
 

CleanArchitecture.Domain/Rabbitmq/RabbitMqHandler.cs

@@ -52,7 +52,8 @@ public sealed class RabbitMqHandler : BackgroundService
     {
         if (!_configuration.Enabled)
         {
-            _logger.LogInformation("RabbitMQ is disabled. Skipping the creation of exchange {exchangeName}.", exchangeName);
+            _logger.LogInformation("RabbitMQ is disabled. Skipping the creation of exchange {exchangeName}.",
+                exchangeName);
             return;
         }
 

CleanArchitecture.Infrastructure/Database/ApplicationDbContext.cs

@@ -1,10 +1,11 @@
+using System.Linq;
 using CleanArchitecture.Domain.Entities;
 using CleanArchitecture.Infrastructure.Configurations;
 using Microsoft.EntityFrameworkCore;
 
 namespace CleanArchitecture.Infrastructure.Database;
 
-public class ApplicationDbContext : DbContext
+public partial class ApplicationDbContext : DbContext
 {
     public DbSet<User> Users { get; set; } = null!;
     public DbSet<Tenant> Tenants { get; set; } = null!;
@@ -14,6 +15,29 @@ public class ApplicationDbContext : DbContext
     }
 
     protected override void OnModelCreating(ModelBuilder builder)
+    {
+        foreach (var entity in builder.Model.GetEntityTypes())
+        {
+            if (entity.ClrType.GetProperty(DbContextUtility.IsDeletedProperty) is not null)
+            {
+                builder.Entity(entity.ClrType)
+                    .HasQueryFilter(DbContextUtility.GetIsDeletedRestriction(entity.ClrType));
+            }
+        }
+
+        base.OnModelCreating(builder);
+
+        ApplyConfigurations(builder);
+
+        // Make referential delete behaviour restrict instead of cascade for everything
+        foreach (var relationship in builder.Model.GetEntityTypes()
+                     .SelectMany(x => x.GetForeignKeys()))
+        {
+            relationship.DeleteBehavior = DeleteBehavior.Restrict;
+        }
+    }
+
+    private static void ApplyConfigurations(ModelBuilder builder)
     {
         builder.ApplyConfiguration(new UserConfiguration());
         builder.ApplyConfiguration(new TenantConfiguration());

CleanArchitecture.Infrastructure/Database/DbContextUtility.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Linq.Expressions;
+using System.Reflection;
+using Microsoft.EntityFrameworkCore;
+
+namespace CleanArchitecture.Infrastructure.Database;
+
+public partial class ApplicationDbContext
+{
+    public static class DbContextUtility
+    {
+        public const string IsDeletedProperty = "Deleted";
+
+        public static readonly MethodInfo PropertyMethod = typeof(EF)
+            .GetMethod(nameof(EF.Property), BindingFlags.Static | BindingFlags.Public)
+            !.MakeGenericMethod(typeof(bool));
+
+        public static LambdaExpression GetIsDeletedRestriction(Type type)
+        {
+            var parm = Expression.Parameter(type, "it");
+            var prop = Expression.Call(PropertyMethod, parm, Expression.Constant(IsDeletedProperty));
+            var condition = Expression.MakeBinary(ExpressionType.Equal, prop, Expression.Constant(false));
+            var lambda = Expression.Lambda(condition, parm);
+            return lambda;
+        }
+    }
+}

CleanArchitecture.IntegrationTests/Controller/TenantControllerTests.cs

@@ -37,6 +37,8 @@ public sealed class TenantControllerTests : IClassFixture<TenantTestFixture>
 
         message!.Data!.Id.Should().Be(_fixture.CreatedTenantId);
         message.Data.Name.Should().Be("Test Tenant");
+
+        message.Data.Users.Count().Should().Be(1);
     }
 
     [Fact]
@@ -55,6 +57,10 @@ public sealed class TenantControllerTests : IClassFixture<TenantTestFixture>
         message.Data!.Items
             .FirstOrDefault(x => x.Id == _fixture.CreatedTenantId)
             .Should().NotBeNull();
+
+        message.Data.Items
+            .FirstOrDefault(x => x.Id == _fixture.CreatedTenantId)!
+            .Users.Count().Should().Be(1);
     }
 
     [Fact]

CleanArchitecture.IntegrationTests/Fixtures/TenantTestFixture.cs

@@ -1,5 +1,6 @@
 using System;
 using CleanArchitecture.Domain.Entities;
+using CleanArchitecture.Domain.Enums;
 using CleanArchitecture.Infrastructure.Database;
 
 namespace CleanArchitecture.IntegrationTests.Fixtures;
@@ -16,6 +17,15 @@ public sealed class TenantTestFixture : TestFixtureBase
             CreatedTenantId,
             "Test Tenant"));
 
+        context.Users.Add(new User(
+            Guid.NewGuid(),
+            CreatedTenantId,
+            "test@user.de",
+            "test",
+            "user",
+            "Test User",
+            UserRole.User));
+
         context.SaveChanges();
     }
 }