Added meta, opengraph to ArticleView

Wave/Components/Pages/ArticleView.razor

@@ -3,12 +3,34 @@
 @using Wave.Data
 @using System.Security.Claims
 @using System.Diagnostics.CodeAnalysis
+@using Microsoft.Extensions.Options
 
 @inject IDbContextFactory<ApplicationDbContext> ContextFactory;
 @inject NavigationManager Navigation
+@inject IOptions<Customization> Customizations
 @inject IStringLocalizer<ArticleView> Localizer
 
-<PageTitle>@(TitlePrefix + (Article?.Title ?? @Localizer["NotFound_Title"]))</PageTitle>
+<PageTitle>@(TitlePrefix + (Article?.Title ?? Localizer["NotFound_Title"]))</PageTitle>
+
+@if (Article is not null) {
+    <HeadContent>
+        <meta name="author" content="@Article.Author.Name">
+        <meta name="description" content="@string.Format(Localizer["Meta_Description"], Customizations.Value.AppName, Article.Body[..Math.Min(80, Article.Body.Length)] + "... ")">
+        
+        <!-- Open Graph -->
+        <meta property="og:title" content="@Article.Title" />
+        <meta property="og:description" content="@string.Format(Localizer["Meta_Description"], Customizations.Value.AppName, Article.Body[..Math.Min(80, Article.Body.Length)] + "... ")" />
+        <meta property="og:url" content="@Navigation.ToAbsoluteUri("/article/" + Article.Id)" />
+        <meta property="og:image" content="@Navigation.ToAbsoluteUri("/api/user/pfp/" + Article.Author.Id)" />
+        <meta property="og:type" content="article" />
+        <meta property="og:article:author" content="@Article.Author.Name" />
+        <meta property="og:article:published_time" content="@Article.PublishDate.ToString("u")" />
+        @if (Article.LastModified.HasValue) {
+            <meta property="og:article:modified_time " content="@Article.LastModified.Value.ToString("u")" />
+        }
+        <meta property="og:site_name" content="@Customizations.Value.AppName" />
+    </HeadContent>
+}
 
 <ErrorBoundary>
     <ChildContent>

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

@@ -125,4 +125,7 @@
   <data name="Publish_Submit" xml:space="preserve">
     <value>Zur Veröffentlichung freigeben</value>
   </data>
+  <data name="Meta_Description" xml:space="preserve">
+    <value>{1} Weiterlesen auf {0}.</value>
+  </data>
 </root>

Wave/Resources/Components/Pages/ArticleView.resx

@@ -125,4 +125,7 @@
   <data name="Publish_Submit" xml:space="preserve">
     <value>Approv for Publishing</value>
   </data>
+  <data name="Meta_Description" xml:space="preserve">
+    <value>{1} Continue reading on {0}. </value>
+  </data>
 </root>