Added Article recommendations to Article View

Wave/Components/ArticleComponent.razor

@@ -59,7 +59,7 @@
 				<img class="sm:max-h-56" src="/api/user/pfp/@Article.Author.Id?size=400" alt="" width="400" loading="async">
 			</figure>
 			<div class="card-body sm:border-l-2 border-current">
-				<h2 class="card-title">About The Author</h2>
+				<h2 class="card-title">@Localizer["AboutAuthor_Title"]</h2>
 				<h3><strong>@Article.Author.Name</strong></h3>
 				<p>
 					@Article.Author.AboutTheAuthor
@@ -90,6 +90,8 @@
 	}
 </div>
 
+@AdditionalContent
+
 <template id="copyButtonTemplate">
 	<button class="btn btn-sm btn-accent btn-square absolute top-2 right-2" title="copy">
 		<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="w-6 h-6">
@@ -120,4 +122,6 @@
     [Parameter]
     public required Article Article { get; set; }
     private MarkupString Content => new(Article.BodyHtml);
+	[Parameter]
+	public RenderFragment? AdditionalContent { get; set; }
 }

Wave/Components/Pages/ArticleView.razor

@@ -54,7 +54,15 @@
 <ErrorBoundary>
 	<ChildContent>
 		@if (GetArticle(HttpContext.User) is {} article) {
-			<ArticleComponent Article="@article"/>
+			<ArticleComponent Article="@article">
+				<AdditionalContent>
+					@if (Recommendations.Count > 0) {
+						<h2 class="text-3xl my-6">@Localizer["Recommendations_Title"]</h2>
+						<ArticleCardList Articles="Recommendations" />
+					}
+				</AdditionalContent>
+			</ArticleComponent>
+
 			
 			<div class="flex gap-2 mt-3 flex-wrap">
 				@if (article.AllowedToEdit(HttpContext.User)) {
@@ -157,6 +165,7 @@
 	public HttpContext HttpContext { get; set; } = default!;
 
 	private List<ApplicationUser> Reviewers { get; } = [];
+	private List<Article> Recommendations { get; } = [];
 
 	private Article GetArticle(ClaimsPrincipal principal) {
 		if (Article.AllowedToRead(principal)) return Article!;
@@ -189,10 +198,46 @@
 	}
 
 	protected override async Task OnInitializedAsync() {
-		Reviewers.AddRange([
-			.. await UserManager.GetUsersInRoleAsync("Reviewer"),
-			.. await UserManager.GetUsersInRoleAsync("Admin")
-		]);
+		if (Article is null) return;
+		
+		if (Article.Status != ArticleStatus.Published) {
+			Reviewers.AddRange([
+				.. await UserManager.GetUsersInRoleAsync("Reviewer"),
+				.. await UserManager.GetUsersInRoleAsync("Admin")
+			]);
+		} else {
+			var primaryCategories = Article.Categories.Where(c => c.Color == CategoryColors.Primary).ToArray();
+
+			await using var context = await ContextFactory.CreateDbContextAsync();
+			const int featuredArticleCount = 3;
+			
+			// See if we can find 3 articles with the same primary category
+			if (primaryCategories.Length > 0) {
+				foreach (var category in primaryCategories) {
+					Recommendations.AddRange(await context.Set<Article>()
+						.Include(a => a.Author)
+						.Include(a => a.Categories)
+						.OrderByDescending(a => a.PublishDate).ThenBy(a => a.Id)
+						.Where(a => a.Categories.Contains(category) && a.Id != Article.Id)
+						.Take(featuredArticleCount - Recommendations.Count)
+						.ToListAsync());
+
+					if (Recommendations.Count >= featuredArticleCount) break;
+				}
+			}
+
+			// Fill up with the newest articles of possible 
+			if (Recommendations.Count < featuredArticleCount) {
+				Recommendations.AddRange(await context.Set<Article>()
+					.Include(a => a.Author)
+					.Include(a => a.Categories)
+					.OrderByDescending(a => a.PublishDate).ThenBy(a => a.Id)
+					.Where(a => a.Id != Article.Id)
+					.Take(featuredArticleCount - Recommendations.Count).ToListAsync());
+			}
+
+			Recommendations.Sort((a1, a2) => a2.PublishDate.CompareTo(a1.PublishDate));
+		}
 	}
 
 	private async Task SubmitForReview() {

Wave/Resources/Components/Pages/ArticleView.de-DE.resx

@@ -98,15 +98,15 @@
 	<resheader name="writer">
 		<value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.3500.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
 	</resheader>
-  <data name="Author" xml:space="preserve">
-    <value>Autor*in</value>
-  </data>
+    <data name="Author" xml:space="preserve">
+        <value>Autor:in</value>
+    </data>
   <data name="ModifiedOn" xml:space="preserve">
     <value>Geändert</value>
   </data>
-  <data name="Reviewer" xml:space="preserve">
-    <value>Rezensent*in</value>
-  </data>
+    <data name="Reviewer" xml:space="preserve">
+        <value>Rezensent:in</value>
+    </data>
   <data name="NotFound_Title" xml:space="preserve">
     <value>Artikel nicht gefunden</value>
   </data>
@@ -152,4 +152,10 @@
     <data name="Review_Reviewer_Any" xml:space="preserve">
         <value>Jeder</value>
     </data>
+    <data name="AboutAuthor_Title" xml:space="preserve">
+        <value>Über die verfassende Person</value>
+    </data>
+    <data name="Recommendations_Title" xml:space="preserve">
+        <value>Das könnte Sie auch interessieren</value>
+    </data>
 </root>

Wave/Resources/Components/Pages/ArticleView.resx

@@ -152,4 +152,10 @@
     <data name="Review_Reviewer_Any" xml:space="preserve">
         <value>Anyone</value>
     </data>
+    <data name="AboutAuthor_Title" xml:space="preserve">
+        <value>About the Author</value>
+    </data>
+    <data name="Recommendations_Title" xml:space="preserve">
+        <value>This might also interest you</value>
+    </data>
 </root>