Refactor Web Part 2

Author: linkdotnet

src/Directory.Build.props

@@ -13,6 +13,7 @@
         <AnalysisLevel>latest</AnalysisLevel>
         <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
 			  <NuGetAuditLevel>critical</NuGetAuditLevel>
+			  <Nullable>enable</Nullable>
     </PropertyGroup>
 
     <PropertyGroup Condition="'$(Configuration)' == 'Release'">

src/LinkDotNet.Blog.Domain/Entity.cs

@@ -2,5 +2,5 @@
 
 public abstract class Entity
 {
-    public string Id { get; set; } = string.Empty;
+    public string Id { get; set; } = default!;
 }

src/LinkDotNet.Blog.Infrastructure/Persistence/CachedRepository.cs

@@ -22,7 +22,7 @@ public CachedRepository(IRepository<T> repository, IMemoryCache memoryCache)
 
     public ValueTask<HealthCheckResult> PerformHealthCheckAsync() => repository.PerformHealthCheckAsync();
 
-    public async ValueTask<T> GetByIdAsync(string id) =>
+    public async ValueTask<T?> GetByIdAsync(string id) =>
         (await memoryCache.GetOrCreateAsync(id, async entry =>
         {
             entry.SlidingExpiration = TimeSpan.FromDays(7);

src/LinkDotNet.Blog.Infrastructure/Persistence/IRepository.cs

@@ -12,7 +12,7 @@ public interface IRepository<TEntity>
 {
     ValueTask<HealthCheckResult> PerformHealthCheckAsync();
 
-    ValueTask<TEntity> GetByIdAsync(string id);
+    ValueTask<TEntity?> GetByIdAsync(string id);
 
     ValueTask<IPagedList<TEntity>> GetAllAsync(
         Expression<Func<TEntity, bool>>? filter = null,

src/LinkDotNet.Blog.Infrastructure/Persistence/InMemory/Repository.cs

@@ -15,10 +15,10 @@ public sealed class Repository<TEntity> : IRepository<TEntity>
 
     public ValueTask<HealthCheckResult> PerformHealthCheckAsync() => ValueTask.FromResult(HealthCheckResult.Healthy());
 
-    public ValueTask<TEntity> GetByIdAsync(string id)
+    public ValueTask<TEntity?> GetByIdAsync(string id)
     {
-        var entity = entities.First(b => b.Id == id);
-        return new ValueTask<TEntity>(entity);
+        var entity = entities.Find(b => b.Id == id);
+        return new ValueTask<TEntity?>(entity);
     }
 
     public ValueTask<IPagedList<TEntity>> GetAllAsync(Expression<Func<TEntity, bool>>? filter = null,

src/LinkDotNet.Blog.Infrastructure/Persistence/MongoDB/Repository.cs

@@ -36,7 +36,7 @@ public async ValueTask<HealthCheckResult> PerformHealthCheckAsync()
         }
     }
 
-    public async ValueTask<TEntity> GetByIdAsync(string id)
+    public async ValueTask<TEntity?> GetByIdAsync(string id)
     {
         var filter = Builders<TEntity>.Filter.Eq(e => e.Id, id);
         var result = await Collection.FindAsync(filter);

src/LinkDotNet.Blog.Infrastructure/Persistence/RavenDb/Repository.cs

@@ -33,7 +33,7 @@ public async ValueTask<HealthCheckResult> PerformHealthCheckAsync()
         }
     }
 
-    public async ValueTask<TEntity> GetByIdAsync(string id)
+    public async ValueTask<TEntity?> GetByIdAsync(string id)
     {
         using var session = documentStore.OpenAsyncSession();
         return await session.LoadAsync<TEntity>(id);

src/LinkDotNet.Blog.Infrastructure/Persistence/Sql/Repository.cs

@@ -36,10 +36,10 @@ public async ValueTask<HealthCheckResult> PerformHealthCheckAsync()
         }
     }
 
-    public async ValueTask<TEntity> GetByIdAsync(string id)
+    public async ValueTask<TEntity?> GetByIdAsync(string id)
     {
         var blogDbContext = await dbContextFactory.CreateDbContextAsync();
-        return await blogDbContext.Set<TEntity>().FirstAsync(b => b.Id == id);
+        return await blogDbContext.Set<TEntity>().FirstOrDefaultAsync(b => b.Id == id);
     }
 
     public ValueTask<IPagedList<TEntity>> GetAllAsync(Expression<Func<TEntity, bool>>? filter = null,

src/LinkDotNet.Blog.Web/Features/Archive/ArchivePage.razor

@@ -44,7 +44,7 @@
 </div>
 
 @code {
-	private IReadOnlyCollection<IGrouping<int, BlogPostPerYear>> blogPostsPerYear = [];
+	private IReadOnlyCollection<IGrouping<int, BlogPostPerYear>>? blogPostsPerYear;
 	private int blogPostCount;
 
 	protected override async Task OnInitializedAsync()

src/LinkDotNet.Blog.Web/Features/ShowBlogPost/ShowBlogPostPage.razor

@@ -123,7 +123,8 @@ else if (BlogPost is not null)
 
     private async Task UpdateLikes(bool hasLiked)
     {
-        BlogPost = await BlogPostRepository.GetByIdAsync(BlogPostId);
+        BlogPost = await BlogPostRepository.GetByIdAsync(BlogPostId)
+                   ?? throw new InvalidOperationException("Blog post not found");
         BlogPost.Likes = hasLiked ? BlogPost.Likes + 1 : BlogPost.Likes - 1;
         await BlogPostRepository.StoreAsync(BlogPost);
     }

tests/LinkDotNet.Blog.IntegrationTests/Web/Controller/RssFeedControllerTests.cs

@@ -28,10 +28,9 @@ public async Task ShouldCreateRssFeed()
         {
             HttpContext = httpContext,
         };
-        var config = Options.Create(new ApplicationConfiguration
-        {
-            BlogName = "Test"
-        });
+        var config = Options.Create(new ApplicationConfigurationBuilder()
+            .WithBlogName("Test")
+            .Build());
 
         var introduction = new IntroductionBuilder()
             .WithDescription("Description")

tests/LinkDotNet.Blog.IntegrationTests/Web/Features/Home/IndexTests.cs

@@ -138,19 +138,19 @@ public async Task ShouldSetPageToFirstIfOutOfRange(int? page)
         cut.FindAll(".blog-card").Count.Should().Be(10);
     }
 
-    private static (ApplicationConfiguration ApplicationConfiguration, Introduction Introduction) CreateSampleAppConfiguration(string profilePictureUri = null)
+    private static (ApplicationConfiguration ApplicationConfiguration, Introduction Introduction)
+        CreateSampleAppConfiguration(string profilePictureUri = null)
     {
-        return (new ApplicationConfiguration
+        return (new ApplicationConfigurationBuilder()
+                .WithBlogName(string.Empty)
+                .WithBlogPostsPerPage(10)
+                .Build(),
+            new Introduction
             {
-            BlogName = string.Empty,
-            BlogPostsPerPage = 10,
-        },
-        new Introduction
-        {
-            Description = string.Empty,
-            BackgroundUrl = string.Empty,
-            ProfilePictureUrl = profilePictureUri ?? string.Empty,
-        });
+                Description = string.Empty,
+                BackgroundUrl = string.Empty,
+                ProfilePictureUrl = profilePictureUri ?? string.Empty,
+            });
     }
 
     private async Task CreatePublishedBlogPosts(int amount)

tests/LinkDotNet.Blog.IntegrationTests/Web/Features/ShowBlogPost/ShowBlogPostPageTests.cs

@@ -121,7 +121,7 @@ private void RegisterComponents(BunitContext ctx, ILocalStorageService localStor
         ctx.Services.AddScoped(_ => localStorageService ?? Substitute.For<ILocalStorageService>());
         ctx.Services.AddScoped(_ => Substitute.For<IToastService>());
         ctx.Services.AddScoped(_ => Substitute.For<IUserRecordService>());
-        ctx.Services.AddScoped(_ => Options.Create(new ApplicationConfiguration()));
+        ctx.Services.AddScoped(_ => Options.Create(new ApplicationConfigurationBuilder().Build()));
         ctx.Services.AddScoped(_ => Substitute.For<IInstantJobRegistry>());
     }
 }

tests/LinkDotNet.Blog.IntegrationTests/Web/Features/SimilarBlogPostJobTests.cs

@@ -30,7 +30,7 @@ public async Task ShouldCalculateSimilarBlogPosts()
         await Repository.StoreAsync(blogPost1);
         await Repository.StoreAsync(blogPost2);
         await Repository.StoreAsync(blogPost3);
-        var config = Options.Create(new ApplicationConfiguration { ShowSimilarPosts = true });
+        var config = Options.Create(new ApplicationConfigurationBuilder().WithShowSimilarPosts(true).Build());
 
         var job = new SimilarBlogPostJob(Repository, similarBlogPostRepository, config);
         var context = Substitute.For<IJobExecutionContext>();
@@ -50,7 +50,7 @@ public async Task ShouldNotCalculateWhenDisabledInApplicationConfiguration()
         await Repository.StoreAsync(blogPost1);
         await Repository.StoreAsync(blogPost2);
         await Repository.StoreAsync(blogPost3);
-        var config = Options.Create(new ApplicationConfiguration { ShowSimilarPosts = false });
+        var config = Options.Create(new ApplicationConfigurationBuilder().WithShowSimilarPosts(false).Build());
 
         var job = new SimilarBlogPostJob(Repository, similarBlogPostRepository, config);
         var context = Substitute.For<IJobExecutionContext>();
@@ -70,7 +70,7 @@ public async Task ShouldNotCalculateWhenNotTriggeredAsInstantJob()
         await Repository.StoreAsync(blogPost1);
         await Repository.StoreAsync(blogPost2);
         await Repository.StoreAsync(blogPost3);
-        var config = Options.Create(new ApplicationConfiguration { ShowSimilarPosts = true });
+        var config = Options.Create(new ApplicationConfigurationBuilder().WithShowSimilarPosts(true).Build());
 
         var job = new SimilarBlogPostJob(Repository, similarBlogPostRepository, config);
         await job.RunAsync(Substitute.For<IJobExecutionContext>(), CancellationToken.None);

tests/LinkDotNet.Blog.IntegrationTests/Web/RegistrationExtensions/RavenDbRegistrationExtensionsTests.cs

@@ -1,5 +1,6 @@
 using LinkDotNet.Blog.Domain;
 using LinkDotNet.Blog.Infrastructure.Persistence;
+using LinkDotNet.Blog.TestUtilities;
 using LinkDotNet.Blog.Web;
 using LinkDotNet.Blog.Web.RegistrationExtensions;
 using Microsoft.Extensions.DependencyInjection;
@@ -13,11 +14,10 @@ public class RavenDbRegistrationExtensionsTests
     public void ShouldGetValidRepository()
     {
         var serviceCollection = new ServiceCollection();
-        var appConfig = Options.Create(new ApplicationConfiguration
-        {
-            ConnectionString = "http://localhost",
-            DatabaseName = "Blog",
-        });
+        var appConfig = Options.Create(new ApplicationConfigurationBuilder()
+            .WithBlogName("Blog")
+            .WithConnectionString("http://localhost")
+            .Build());
         serviceCollection.AddScoped(_ => appConfig);
 
         serviceCollection.UseRavenDbAsStorageProvider();

tests/LinkDotNet.Blog.IntegrationTests/Web/RegistrationExtensions/SqliteRegistrationExtensionsTests.cs

@@ -1,5 +1,6 @@
 using LinkDotNet.Blog.Domain;
 using LinkDotNet.Blog.Infrastructure.Persistence;
+using LinkDotNet.Blog.TestUtilities;
 using LinkDotNet.Blog.Web;
 using LinkDotNet.Blog.Web.RegistrationExtensions;
 using Microsoft.Extensions.Options;
@@ -13,10 +14,9 @@ public class SqliteRegistrationExtensionsTests
     public void ShouldGetValidRepository()
     {
         var serviceCollection = new ServiceCollection();
-        var appConfig = Options.Create(new ApplicationConfiguration()
-        {
-            ConnectionString = "Filename=:memory:",
-        });
+        var appConfig = Options.Create(new ApplicationConfigurationBuilder()
+            .WithConnectionString("Filename=:memory:")
+            .Build());
         serviceCollection.AddScoped(_ => appConfig);
         serviceCollection.AddLogging();
 

tests/LinkDotNet.Blog.IntegrationTests/Web/RegistrationExtensions/StorageProviderExtensionsTests.cs

@@ -2,6 +2,7 @@
 using System.Linq;
 using LinkDotNet.Blog.Domain;
 using LinkDotNet.Blog.Infrastructure.Persistence;
+using LinkDotNet.Blog.TestUtilities;
 using LinkDotNet.Blog.Web;
 using LinkDotNet.Blog.Web.RegistrationExtensions;
 using Microsoft.Extensions.Configuration;
@@ -48,7 +49,10 @@ public void ShouldHaveCacheRepositoryOnlyForBlogPosts()
         var collection = new ServiceCollection();
         var config = Substitute.For<IConfiguration>();
         config["PersistenceProvider"].Returns("Sqlite");
-        collection.AddScoped(_ => Options.Create(new ApplicationConfiguration { ConnectionString = "Filename=:memory:" }));
+        collection.AddScoped(_ => Options.Create(new ApplicationConfigurationBuilder()
+            .WithConnectionString("Filename=:memory:")
+            .Build()));
+        
         collection.AddLogging();
 
         collection.AddStorageProvider(config);

tests/LinkDotNet.Blog.IntegrationTests/Web/Shared/NavMenuTests.cs

@@ -20,7 +20,7 @@ public NavMenuTests()
     [Fact]
     public void ShouldNavigateToSearchPage()
     {
-        Services.AddScoped(_ => Options.Create(new ApplicationConfiguration()));
+        Services.AddScoped(_ => Options.Create(new ApplicationConfigurationBuilder().Build()));
         AddAuthorization();
         var navigationManager = Services.GetRequiredService<NavigationManager>();
         var cut = Render<NavMenu>();
@@ -34,10 +34,9 @@ public void ShouldNavigateToSearchPage()
     [Fact]
     public void ShouldDisplayAboutMePage()
     {
-        var config = Options.Create(new ApplicationConfiguration
-        {
-            IsAboutMeEnabled = true
-        });
+        var config = Options.Create(new ApplicationConfigurationBuilder()
+            .WithIsAboutMeEnabled(true)
+            .Build());
         Services.AddScoped(_ => config);
         AddAuthorization();
 
@@ -65,10 +64,9 @@ public void ShouldPassCorrectUriToComponent()
     [Fact]
     public void ShouldShowBrandImageIfAvailable()
     {
-        var config = Options.Create(new ApplicationConfiguration
-        {
-            BlogBrandUrl = "http://localhost/img.png",
-        });
+        var config = Options.Create(new ApplicationConfigurationBuilder()
+            .WithBlogBrandUrl("http://localhost/img.png")
+            .Build());
         Services.AddScoped(_ => config);
 
         var profileInfoConfig = Options.Create(new ProfileInformationBuilder().Build());
@@ -89,11 +87,10 @@ public void ShouldShowBrandImageIfAvailable()
     [InlineData("")]
     public void ShouldShowBlogNameWhenNotBrand(string brandUrl)
     {
-        var config = Options.Create(new ApplicationConfiguration
-        {
-            BlogBrandUrl = brandUrl,
-            BlogName = "Steven",
-        });
+        var config = Options.Create(new ApplicationConfigurationBuilder()
+            .WithBlogBrandUrl(brandUrl)
+            .WithBlogName("Steven")
+            .Build());
         Services.AddScoped(_ => config);
 
         var profileInfoConfig = Options.Create(new ProfileInformationBuilder().Build());
@@ -106,6 +103,6 @@ public void ShouldShowBlogNameWhenNotBrand(string brandUrl)
         var brandImage = cut.Find(".nav-brand");
         var image = brandImage as IHtmlAnchorElement;
         image.Should().NotBeNull();
-        image.TextContent.Should().Be("Steven");
+        image!.TextContent.Should().Be("Steven");
     }
 }

tests/LinkDotNet.Blog.TestUtilities/ApplicationConfigurationBuilder.cs

@@ -17,6 +17,7 @@ public class ApplicationConfigurationBuilder
     private bool showReadingIndicator;
     private string? patreonName;
     private bool showSimilarPosts;
+    private string? blogBrandUrl;
 
     public ApplicationConfigurationBuilder WithBlogName(string blogName)
     {
@@ -96,6 +97,12 @@ public ApplicationConfigurationBuilder WithShowSimilarPosts(bool showSimilarPost
         return this;
     }
 
+    public ApplicationConfigurationBuilder WithBlogBrandUrl(string blogBrandUrl)
+    {
+        this.blogBrandUrl = blogBrandUrl;
+        return this;
+    }
+    
     public ApplicationConfiguration Build()
     {
         return new ApplicationConfiguration
@@ -113,6 +120,7 @@ public ApplicationConfiguration Build()
             ShowReadingIndicator = showReadingIndicator,
             PatreonName = patreonName,
             ShowSimilarPosts = showSimilarPosts,
+            BlogBrandUrl = blogBrandUrl,
         };
     }
 }

tests/LinkDotNet.Blog.TestUtilities/AuthInformationBuilder.cs

@@ -0,0 +1,46 @@
+using LinkDotNet.Blog.Web.Authentication.OpenIdConnect;
+
+namespace LinkDotNet.Blog.TestUtilities;
+
+public class AuthInformationBuilder
+{
+    private string clientId = "clientId";
+    private string clientSecret = "client";
+    private string domain = "domain";
+    private string provider = "provider";
+    
+    public AuthInformationBuilder WithClientId(string clientId)
+    {
+        this.clientId = clientId;
+        return this;
+    }
+    
+    public AuthInformationBuilder WithClientSecret(string clientSecret)
+    {
+        this.clientSecret = clientSecret;
+        return this;
+    }
+    
+    public AuthInformationBuilder WithDomain(string domain)
+    {
+        this.domain = domain;
+        return this;
+    }
+    
+    public AuthInformationBuilder WithProvider(string provider)
+    {
+        this.provider = provider;
+        return this;
+    }
+    
+    public AuthInformation Build()
+    {
+        return new AuthInformation
+        {
+            ClientId = clientId,
+            ClientSecret = clientSecret,
+            Domain = domain,
+            Provider = provider,
+        };
+    }
+}