fix: hide non-published entries

OliverBooth/Pages/Tutorials/Article.cshtml

@@ -1,7 +1,7 @@
 @page "/tutorial/{**slug}"
 @using Humanizer
 @using Microsoft.AspNetCore.Mvc.TagHelpers
-@using OliverBooth.Data.Blog
+@using OliverBooth.Data
 @using OliverBooth.Data.Web
 @using OliverBooth.Services
 @inject ITutorialService TutorialService
@@ -64,7 +64,9 @@
 
 <div class="row">
     <div class="col-sm-12 col-md-6">
-        @if (article.PreviousPart is { } previousPartId && TutorialService.TryGetArticle(previousPartId, out ITutorialArticle? previousPart))
+        @if (article.PreviousPart is { } previousPartId &&
+             TutorialService.TryGetArticle(previousPartId, out ITutorialArticle? previousPart) &&
+             previousPart.Visibility == Visibility.Published)
         {
             <small>Previous Part</small>
             <p class="lead">
@@ -75,7 +77,9 @@
         }
     </div>
     <div class="col-sm-12 col-md-6" style="text-align: right;">
-        @if (article.NextPart is { } nextPartId && TutorialService.TryGetArticle(nextPartId, out ITutorialArticle? nextPart))
+        @if (article.NextPart is { } nextPartId &&
+             TutorialService.TryGetArticle(nextPartId, out ITutorialArticle? nextPart) &&
+             nextPart.Visibility == Visibility.Published)
         {
             <small>Next Part</small>
             <p class="lead">

OliverBooth/Pages/Tutorials/Index.cshtml

@@ -1,5 +1,6 @@
 @page "/tutorials/{**slug}"
 @using System.Text
+@using OliverBooth.Data
 @using OliverBooth.Data.Web
 @using OliverBooth.Services
 @model Index
@@ -31,11 +32,16 @@
     }
 
     <h1 class="display-4">@(currentFolder?.Title ?? "Tutorials")</h1>
-    @foreach (ITutorialFolder[] folders in TutorialService.GetFolders(currentFolder).Chunk(2))
+    @foreach (ITutorialFolder[] folders in TutorialService.GetFolders(currentFolder, Visibility.Published).Chunk(2))
     {
         <div class="card-group row" style="margin-top: 20px;">
             @foreach (ITutorialFolder folder in folders)
             {
+                if (folder.Visibility != Visibility.Published)
+                {
+                    continue;
+                }
+
                 <div class="col-xs-1 col-md-6 col-lg-6 d-flex align-items-stretch">
                     <div class="project-card">
                         <div class="project-image">
@@ -54,7 +60,7 @@
 
     @if (currentFolder is not null)
     {
-        foreach (ITutorialArticle[] articles in TutorialService.GetArticles(currentFolder).Chunk(2))
+        foreach (ITutorialArticle[] articles in TutorialService.GetArticles(currentFolder, Visibility.Published).Chunk(2))
         {
             <div class="card-group row" style="margin-top: 20px;">
                 @foreach (ITutorialArticle article in articles)

src/ts/UI.ts

@@ -136,6 +136,11 @@ class UI {
     public static addLineNumbers(element?: Element) {
         element = element || document.body;
         element.querySelectorAll("pre code").forEach((block) => {
+            if (block.className.indexOf("|nolinenumbers") > 0) {
+                block.className = block.className.replaceAll("|nolinenumbers", "");
+                return;
+            }
+
             let content = block.textContent;
             if (content.trim().split("\n").length > 1) {
                 block.parentElement.classList.add("line-numbers");