From f61188784d4f340204a2eeb8c396587811c31f4f Mon Sep 17 00:00:00 2001
From: Mia Winter <mia@miawinter.de>
Date: Wed, 18 Sep 2024 13:49:29 +0200
Subject: [PATCH] Added Open Graph to Category Pages

---
 Wave/Components/OpenGraph.razor          | 17 ++++++++++++++++-
 Wave/Components/Pages/CategoryView.razor | 11 +++--------
 2 files changed, 19 insertions(+), 9 deletions(-)

diff --git a/Wave/Components/OpenGraph.razor b/Wave/Components/OpenGraph.razor
index 80751ea..ac33bc4 100644
--- a/Wave/Components/OpenGraph.razor
+++ b/Wave/Components/OpenGraph.razor
@@ -1,4 +1,5 @@
-@using Microsoft.Extensions.Options
+@using System.Net
+@using Microsoft.Extensions.Options
 @using Wave.Data
 @using Wave.Utilities
 
@@ -53,6 +54,20 @@
 		<link rel="alternate" type="application/rss+xml" title="RSS Feed on @Customizations.Value.AppName | User @user.FullName" href="@Navigation.ToAbsoluteUri("/rss/rss.xml?author=@user.Id")">
 		<link rel="alternate" type="application/atom+xml" title="Atom RSS Feed on @Customizations.Value.AppName | User @user.FullName" href="@Navigation.ToAbsoluteUri("/rss/atom.xml?author=@user.Id")">
 	}
+} else if (Subject is Category category) {
+	<meta property="og:title" content="@Localizer!["Title"] - @category.Name">
+	<meta property="og:description" content="Articles in the @category.Name Category on @Customizations.Value.AppName">
+	<meta property="og:type" content="website" />
+	@if (!string.IsNullOrWhiteSpace(Customizations.Value.LogoLink)) {
+		<meta property="og:image" content="@Customizations.Value.LogoLink">
+	} else {
+		<meta property="og:image" content="@Navigation.ToAbsoluteUri("/img/logo.png")">
+	}
+
+	@if (Features.Value.Rss) {
+		<link rel="alternate" type="application/rss+xml" title="RSS Feed on @Customizations.Value.AppName | @category.Name" href="@Navigation.ToAbsoluteUri("/rss/rss.xml?category=" + WebUtility.UrlEncode(category.Name))">
+		<link rel="alternate" type="application/atom+xml" title="Atom RSS Feed on @Customizations.Value.AppName | @category.Name" href="@Navigation.ToAbsoluteUri("/rss/atom.xml?category=" + WebUtility.UrlEncode(category.Name))">
+	}
 }
 
 @code {
diff --git a/Wave/Components/Pages/CategoryView.razor b/Wave/Components/Pages/CategoryView.razor
index bf0794a..3a48a41 100644
--- a/Wave/Components/Pages/CategoryView.razor
+++ b/Wave/Components/Pages/CategoryView.razor
@@ -2,19 +2,14 @@
 @using Microsoft.EntityFrameworkCore
 @using Wave.Data
 @using System.Net
-@using Microsoft.Extensions.Options
 
 @inject IDbContextFactory<ApplicationDbContext> ContextFactory
-@inject IOptions<Customization> Customizations
-@inject IOptions<Features> Features
 @inject IStringLocalizer<CategoryView> Localizer
 
 <HeadContent>
-	@if (Features.Value.Rss && Category is not null) { 
-		<link rel="alternate" type="application/rss+xml" title="RSS Feed on @Customizations.Value.AppName | @Category.Name" href="/rss/rss.xml?category=@WebUtility.UrlEncode(Category.Name)">
-		<link rel="alternate" type="application/atom+xml" title="Atom RSS Feed on @Customizations.Value.AppName | @Category.Name" href="/rss/atom.xml?category=@WebUtility.UrlEncode(Category.Name)">
-	}
-	@if (Category is null) {
+	@if (Category is not null) {
+		<OpenGraph Subject="Category" Localizer="Localizer" />
+	} else {
 		<meta name="robots" content="noindex">
 	}
 </HeadContent>